Oct 12 16:56:07.365 INFO checking mur6/learning-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:56:07.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 16:56:07.733 INFO blam! 4777da2e9eeb4996350bc821ffccb03c9684526ce380337398885d420d397cfd
Oct 12 16:56:07.741 INFO running `"docker" "start" "-a" "4777da2e9eeb4996350bc821ffccb03c9684526ce380337398885d420d397cfd"`
Oct 12 16:56:08.507 INFO kablam! usermod: no changes
Oct 12 16:56:08.624 INFO kablam!     Checking rand v0.4.1
Oct 12 16:56:10.392 INFO kablam!     Checking guessing_game v0.1.0 (/source)
Oct 12 16:56:10.803 INFO kablam! warning: comparison is useless due to type limits
Oct 12 16:56:10.803 INFO kablam!   --> src/main.rs:22:29
Oct 12 16:56:10.803 INFO kablam!    |
Oct 12 16:56:10.803 INFO kablam! 22 |         while a[i] > key && i >= 0 {
Oct 12 16:56:10.803 INFO kablam!    |                             ^^^^^^
Oct 12 16:56:10.803 INFO kablam!    |
Oct 12 16:56:10.803 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Oct 12 16:56:10.803 INFO kablam! 
Oct 12 16:56:10.908 INFO kablam! warning: comparison is useless due to type limits
Oct 12 16:56:10.908 INFO kablam!   --> src/main.rs:22:29
Oct 12 16:56:10.908 INFO kablam!    |
Oct 12 16:56:10.908 INFO kablam! 22 |         while a[i] > key && i >= 0 {
Oct 12 16:56:10.908 INFO kablam!    |                             ^^^^^^
Oct 12 16:56:10.908 INFO kablam!    |
Oct 12 16:56:10.908 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Oct 12 16:56:10.908 INFO kablam! 
Oct 12 16:56:10.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
Oct 12 16:56:10.932 INFO kablam! su: No module specific data is present
Oct 12 16:56:11.832 INFO running `"docker" "rm" "-f" "4777da2e9eeb4996350bc821ffccb03c9684526ce380337398885d420d397cfd"`
Oct 12 16:56:12.094 INFO blam! 4777da2e9eeb4996350bc821ffccb03c9684526ce380337398885d420d397cfd