<p dir="auto">After starting Julia 0.7.0-alpha.0 and running <code class="notranslate">Pkg.update()</code> without running first <code class="notranslate">using Pkg</code> suggests to run <code class="notranslate">using Pkg</code> instead.</p>
<p dir="auto">Following that advice leads to an error of a potential conflict, which is misleading.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="$ julia
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: https://docs.julialang.org
   _ _   _| |_  __ _   |  Type &quot;?&quot; for help, &quot;]?&quot; for Pkg help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.7.0-alpha.0 (2018-05-31 00:07 UTC)
 _/ |\__'_|_|_|\__'_|  |  Official http://julialang.org/ release
|__/                   |  x86_64-apple-darwin14.5.0

julia&gt; Pkg.update()
WARNING: Base.Pkg is deprecated, run `using Pkg` instead
 in module Main
  Updating registry at `~/.julia/registries/Uncurated`
  Updating git-repo `https://github.com/JuliaRegistries/Uncurated.git`
 Resolving package versions...
  Updating `~/.julia/environments/v0.7/Project.toml`
 [no changes]
  Updating `~/.julia/environments/v0.7/Manifest.toml`
┌ Warning: Duplicate UUID in manifest: 44cfe95a-1eb2-52ea-b672-e2afdf69b78f
└ @ Pkg.Display Display.jl:192
┌ Warning: Duplicate UUID in manifest: 44cfe95a-1eb2-52ea-b672-e2afdf69b78f
└ @ Pkg.Display Display.jl:192
 [no changes]

julia&gt; using Pkg
ERROR: importing Pkg into Main conflicts with an existing identifier"><pre class="notranslate"><code class="notranslate">$ julia
               _
   _       _ _(_)_     |  A fresh approach to technical computing
  (_)     | (_) (_)    |  Documentation: https://docs.julialang.org
   _ _   _| |_  __ _   |  Type "?" for help, "]?" for Pkg help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 0.7.0-alpha.0 (2018-05-31 00:07 UTC)
 _/ |\__'_|_|_|\__'_|  |  Official http://julialang.org/ release
|__/                   |  x86_64-apple-darwin14.5.0

julia&gt; Pkg.update()
WARNING: Base.Pkg is deprecated, run `using Pkg` instead
 in module Main
  Updating registry at `~/.julia/registries/Uncurated`
  Updating git-repo `https://github.com/JuliaRegistries/Uncurated.git`
 Resolving package versions...
  Updating `~/.julia/environments/v0.7/Project.toml`
 [no changes]
  Updating `~/.julia/environments/v0.7/Manifest.toml`
┌ Warning: Duplicate UUID in manifest: 44cfe95a-1eb2-52ea-b672-e2afdf69b78f
└ @ Pkg.Display Display.jl:192
┌ Warning: Duplicate UUID in manifest: 44cfe95a-1eb2-52ea-b672-e2afdf69b78f
└ @ Pkg.Display Display.jl:192
 [no changes]

julia&gt; using Pkg
ERROR: importing Pkg into Main conflicts with an existing identifier
</code></pre></div>
<p dir="auto">Version info:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="julia&gt; versioninfo()
Julia Version 0.7.0-alpha.0
Commit 22590d529d (2018-05-31 00:07 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin14.5.0)
  CPU: Intel(R) Core(TM) i7-6567U CPU @ 3.30GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.0 (ORCJIT, skylake)"><pre class="notranslate"><code class="notranslate">julia&gt; versioninfo()
Julia Version 0.7.0-alpha.0
Commit 22590d529d (2018-05-31 00:07 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin14.5.0)
  CPU: Intel(R) Core(TM) i7-6567U CPU @ 3.30GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.0 (ORCJIT, skylake)
</code></pre></div>
<p dir="auto">I don't think this is related to the Images package, but here is how I can reproduce it.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="julia&gt; versioninfo()
Julia Version 0.3.0
Commit 7681878 (2014-08-20 20:43 UTC)
Platform Info:
  System: Linux (x86_64-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz
  WORD_SIZE: 64
  BLAS: libblas.so.3
  LAPACK: liblapack.so.3
  LIBM: libopenlibm
  LLVM: libLLVM-3.3

julia&gt; using Images

julia&gt; x=shepp_logan(128);

julia&gt; x=repmat(&lt;TAB&gt;ERROR: type DataType has no field body
 in show at show.jl:80 (repeats 2 times)
 in print_to_string at ./string.jl:24
 in argtype_decl at methodshow.jl:18
 in arg_decl_parts at methodshow.jl:30
 in show at methodshow.jl:36
 in print_to_string at string.jl:24
 in string at string.jl:31
 in complete_methods at ./REPLCompletions.jl:138
 in completions at ./REPLCompletions.jl:196
 in completions_3B_1836 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so
 in complete_line at REPL.jl:279
 in complete_line at LineEdit.jl:141
 in complete_line at LineEdit.jl:139
 in anonymous at LineEdit.jl:1175
 in anonymous at LineEdit.jl:1197
 in prompt! at ./LineEdit.jl:1397
 in run_interface at ./LineEdit.jl:1372
 in run_interface_3B_1854 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so
 in run_frontend at ./REPL.jl:816
 in run_repl at ./REPL.jl:170
 in _start at ./client.jl:399
 in _start_3B_1716 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so"><pre class="notranslate"><code class="notranslate">julia&gt; versioninfo()
Julia Version 0.3.0
Commit 7681878 (2014-08-20 20:43 UTC)
Platform Info:
  System: Linux (x86_64-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz
  WORD_SIZE: 64
  BLAS: libblas.so.3
  LAPACK: liblapack.so.3
  LIBM: libopenlibm
  LLVM: libLLVM-3.3

julia&gt; using Images

julia&gt; x=shepp_logan(128);

julia&gt; x=repmat(&lt;TAB&gt;ERROR: type DataType has no field body
 in show at show.jl:80 (repeats 2 times)
 in print_to_string at ./string.jl:24
 in argtype_decl at methodshow.jl:18
 in arg_decl_parts at methodshow.jl:30
 in show at methodshow.jl:36
 in print_to_string at string.jl:24
 in string at string.jl:31
 in complete_methods at ./REPLCompletions.jl:138
 in completions at ./REPLCompletions.jl:196
 in completions_3B_1836 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so
 in complete_line at REPL.jl:279
 in complete_line at LineEdit.jl:141
 in complete_line at LineEdit.jl:139
 in anonymous at LineEdit.jl:1175
 in anonymous at LineEdit.jl:1197
 in prompt! at ./LineEdit.jl:1397
 in run_interface at ./LineEdit.jl:1372
 in run_interface_3B_1854 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so
 in run_frontend at ./REPL.jl:816
 in run_repl at ./REPL.jl:170
 in _start at ./client.jl:399
 in _start_3B_1716 at /usr/bin/../lib/x86_64-linux-gnu/julia/sys.so
</code></pre></div>
<p dir="auto">After typing the left paren, I hit tab to see the completions, and it crashed straight to the shell.  I tried running Pkg.update().</p>
<p dir="auto">I'm running Images v.0.3.3, in case that matters.</p>