Aug 01 21:11:08.554 INFO checking structopt-derive-0.2.7 against 1.27.2 for lazy_static-1
Aug 01 21:11:08.554 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:11:08.554 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:11:08.554 INFO running `"docker" "create" "-v" "/tmp/crater.ngtHUn2lB53d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 21:11:08.803 INFO blam! 6cc711d22bbb4b55b92787c7c14d04b1d5383de1a69461196304f53de2122f1c
Aug 01 21:11:08.806 INFO running `"docker" "start" "-a" "6cc711d22bbb4b55b92787c7c14d04b1d5383de1a69461196304f53de2122f1c"`
Aug 01 21:11:09.898 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 01 21:11:11.796 INFO kablam!     Checking quote v0.5.2
Aug 01 21:11:13.220 INFO kablam!     Checking syn v0.13.11
Aug 01 21:11:20.158 INFO kablam!     Checking structopt-derive v0.2.7 (file:///source)
Aug 01 21:11:23.572 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 01 21:11:23.572 INFO kablam!    --> src/attrs.rs:231:38
Aug 01 21:11:23.572 INFO kablam!     |
Aug 01 21:11:23.572 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 01 21:11:23.572 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:11:23.572 INFO kablam!     |
Aug 01 21:11:23.572 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 01 21:11:23.572 INFO kablam! 
Aug 01 21:11:23.609 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 01 21:11:23.609 INFO kablam!    --> src/attrs.rs:231:38
Aug 01 21:11:23.609 INFO kablam!     |
Aug 01 21:11:23.609 INFO kablam! 231 |                 if arg == "author" { arg.replace(":", ", "); }
Aug 01 21:11:23.609 INFO kablam!     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:11:23.609 INFO kablam!     |
Aug 01 21:11:23.609 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 01 21:11:23.609 INFO kablam! 
Aug 01 21:11:23.714 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.88s
Aug 01 21:11:23.721 INFO kablam! su: No module specific data is present
Aug 01 21:11:24.295 INFO running `"docker" "rm" "-f" "6cc711d22bbb4b55b92787c7c14d04b1d5383de1a69461196304f53de2122f1c"`
Aug 01 21:11:24.449 INFO blam! 6cc711d22bbb4b55b92787c7c14d04b1d5383de1a69461196304f53de2122f1c