Aug 01 21:11:08.458 INFO checking structopt-derive-0.2.7 against 1.27.2+tmplazy for lazy_static-1 Aug 01 21:11:08.458 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 21:11:08.458 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 21:11:08.458 INFO running `"docker" "create" "-v" "/tmp/crater.OqNidmlrv6sL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+tmplazy:/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 21:11:08.658 INFO blam! 8cea08c2cef8f089ad9837fa3382bdcedfdbdedd54f950d042009e436892c53a Aug 01 21:11:08.662 INFO running `"docker" "start" "-a" "8cea08c2cef8f089ad9837fa3382bdcedfdbdedd54f950d042009e436892c53a"` Aug 01 21:11:09.767 INFO kablam! Checking proc-macro2 v0.3.8 Aug 01 21:11:11.746 INFO kablam! Checking quote v0.5.2 Aug 01 21:11:12.791 INFO kablam! Checking syn v0.13.11 Aug 01 21:11:19.434 INFO kablam! Checking structopt-derive v0.2.7 (file:///source) Aug 01 21:11:22.786 INFO kablam! warning: unused return value of `std::str::::replace` which must be used Aug 01 21:11:22.786 INFO kablam! --> src/attrs.rs:231:38 Aug 01 21:11:22.786 INFO kablam! | Aug 01 21:11:22.786 INFO kablam! 231 | if arg == "author" { arg.replace(":", ", "); } Aug 01 21:11:22.786 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Aug 01 21:11:22.787 INFO kablam! | Aug 01 21:11:22.787 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 01 21:11:22.787 INFO kablam! Aug 01 21:11:23.034 INFO kablam! warning: unused return value of `std::str::::replace` which must be used Aug 01 21:11:23.034 INFO kablam! --> src/attrs.rs:231:38 Aug 01 21:11:23.034 INFO kablam! | Aug 01 21:11:23.034 INFO kablam! 231 | if arg == "author" { arg.replace(":", ", "); } Aug 01 21:11:23.034 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Aug 01 21:11:23.034 INFO kablam! | Aug 01 21:11:23.034 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 01 21:11:23.034 INFO kablam! Aug 01 21:11:23.189 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 13.46s Aug 01 21:11:23.195 INFO kablam! su: No module specific data is present Aug 01 21:11:23.739 INFO running `"docker" "rm" "-f" "8cea08c2cef8f089ad9837fa3382bdcedfdbdedd54f950d042009e436892c53a"` Aug 01 21:11:23.899 INFO blam! 8cea08c2cef8f089ad9837fa3382bdcedfdbdedd54f950d042009e436892c53a