Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
Problem 1: nothing provides requested (crate(apple-flat-package/default) >= 0.20.0 with crate(apple-flat-package/default) < 0.21.0~)
 Problem 2: nothing provides requested (crate(debpkg/default) >= 0.6.0 with crate(debpkg/default) < 0.7.0~)
 Problem 3: nothing provides requested (crate(directories/default) >= 6.0.0 with crate(directories/default) < 7.0.0~)
 Problem 4: nothing provides requested (crate(infer/default) >= 0.19.0 with crate(infer/default) < 0.20.0~)
 Problem 5: nothing provides requested (crate(sevenz-rust/default) >= 0.6.1 with crate(sevenz-rust/default) < 0.7.0~)


Nothing provides several packages required in cargo.toml