Oct 12 23:56:17.307 INFO checking cardil/rust-guessing-game against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 23:56:17.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 23:56:17.887 INFO blam! cc54a4345090207a65d738adaede347a23b9756444833fa63a88c3f330eeb11f
Oct 12 23:56:17.889 INFO running `"docker" "start" "-a" "cc54a4345090207a65d738adaede347a23b9756444833fa63a88c3f330eeb11f"`
Oct 12 23:56:20.411 INFO kablam! usermod: no changes
Oct 12 23:56:20.517 INFO kablam!     Checking guessing_game v0.1.0 (/source)
Oct 12 23:56:21.615 INFO kablam! warning: unused import: `super::View`
Oct 12 23:56:21.616 INFO kablam!   --> src/view.rs:77:7
Oct 12 23:56:21.616 INFO kablam!    |
Oct 12 23:56:21.617 INFO kablam! 77 |   use super::View;
Oct 12 23:56:21.618 INFO kablam!    |       ^^^^^^^^^^^
Oct 12 23:56:21.618 INFO kablam!    |
Oct 12 23:56:21.619 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 23:56:21.619 INFO kablam! 
Oct 12 23:56:21.719 INFO kablam! warning: unused variable: `out`
Oct 12 23:56:21.720 INFO kablam!   --> src/view.rs:81:13
Oct 12 23:56:21.721 INFO kablam!    |
Oct 12 23:56:21.722 INFO kablam! 81 |     let mut out = String::new();
Oct 12 23:56:21.722 INFO kablam!    |             ^^^ help: consider using `_out` instead
Oct 12 23:56:21.723 INFO kablam!    |
Oct 12 23:56:21.724 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 23:56:21.724 INFO kablam! 
Oct 12 23:56:21.728 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:56:21.729 INFO kablam!   --> src/view.rs:81:9
Oct 12 23:56:21.729 INFO kablam!    |
Oct 12 23:56:21.729 INFO kablam! 81 |     let mut out = String::new();
Oct 12 23:56:21.729 INFO kablam!    |         ----^^^
Oct 12 23:56:21.730 INFO kablam!    |         |
Oct 12 23:56:21.730 INFO kablam!    |         help: remove this `mut`
Oct 12 23:56:21.730 INFO kablam!    |
Oct 12 23:56:21.730 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 23:56:21.731 INFO kablam! 
Oct 12 23:56:21.773 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Oct 12 23:56:21.778 INFO kablam! su: No module specific data is present
Oct 12 23:56:23.178 INFO running `"docker" "rm" "-f" "cc54a4345090207a65d738adaede347a23b9756444833fa63a88c3f330eeb11f"`
Oct 12 23:56:23.513 INFO blam! cc54a4345090207a65d738adaede347a23b9756444833fa63a88c3f330eeb11f