Oct 12 14:58:03.621 INFO checking rmirabelli/lexer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:58:03.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 14:58:04.121 INFO blam! ed1964421121af7e5f9fd10af587f9d111b8439fccaaab685f5a5e5bee91f307
Oct 12 14:58:04.136 INFO running `"docker" "start" "-a" "ed1964421121af7e5f9fd10af587f9d111b8439fccaaab685f5a5e5bee91f307"`
Oct 12 14:58:05.448 INFO kablam! usermod: no changes
Oct 12 14:58:05.524 INFO kablam!     Checking lexer v0.1.0 (/source)
Oct 12 14:58:06.240 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:58:06.240 INFO kablam!   --> src/lib.rs:82:13
Oct 12 14:58:06.240 INFO kablam!    |
Oct 12 14:58:06.240 INFO kablam! 82 |         let mut x = tokenize("(+ 33(+ 4 5))");
Oct 12 14:58:06.240 INFO kablam!    |             ----^
Oct 12 14:58:06.240 INFO kablam!    |             |
Oct 12 14:58:06.240 INFO kablam!    |             help: remove this `mut`
Oct 12 14:58:06.252 INFO kablam!    |
Oct 12 14:58:06.252 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:58:06.252 INFO kablam! 
Oct 12 14:58:06.441 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Oct 12 14:58:06.445 INFO kablam! su: No module specific data is present
Oct 12 14:58:07.242 INFO running `"docker" "rm" "-f" "ed1964421121af7e5f9fd10af587f9d111b8439fccaaab685f5a5e5bee91f307"`
Oct 12 14:58:07.478 INFO blam! ed1964421121af7e5f9fd10af587f9d111b8439fccaaab685f5a5e5bee91f307