Dec 19 19:19:05.469 INFO checking cardil/rust-guessing-game against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:19:05.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/cardil/rust-guessing-game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:19:05.984 INFO [stdout] 7996c616d905507389d40ef2d6576bd460ee8e9b1d57b5238ea9c101ae467e74
Dec 19 19:19:05.986 INFO running `"docker" "start" "-a" "7996c616d905507389d40ef2d6576bd460ee8e9b1d57b5238ea9c101ae467e74"`
Dec 19 19:19:07.715 INFO [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
Dec 19 19:19:08.112 INFO [stderr] warning: unused import: `super::View`
Dec 19 19:19:08.112 INFO [stderr]   --> src/view.rs:77:7
Dec 19 19:19:08.112 INFO [stderr]    |
Dec 19 19:19:08.112 INFO [stderr] 77 |   use super::View;
Dec 19 19:19:08.112 INFO [stderr]    |       ^^^^^^^^^^^
Dec 19 19:19:08.112 INFO [stderr]    |
Dec 19 19:19:08.128 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 19:19:08.128 INFO [stderr] 
Dec 19 19:19:08.304 INFO [stderr] warning: unused variable: `out`
Dec 19 19:19:08.304 INFO [stderr]   --> src/view.rs:81:13
Dec 19 19:19:08.304 INFO [stderr]    |
Dec 19 19:19:08.304 INFO [stderr] 81 |     let mut out = String::new();
Dec 19 19:19:08.304 INFO [stderr]    |             ^^^ help: consider using `_out` instead
Dec 19 19:19:08.304 INFO [stderr]    |
Dec 19 19:19:08.304 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:19:08.304 INFO [stderr] 
Dec 19 19:19:08.316 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:19:08.316 INFO [stderr]   --> src/view.rs:81:9
Dec 19 19:19:08.316 INFO [stderr]    |
Dec 19 19:19:08.316 INFO [stderr] 81 |     let mut out = String::new();
Dec 19 19:19:08.316 INFO [stderr]    |         ----^^^
Dec 19 19:19:08.316 INFO [stderr]    |         |
Dec 19 19:19:08.316 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:19:08.316 INFO [stderr]    |
Dec 19 19:19:08.316 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:19:08.316 INFO [stderr] 
Dec 19 19:19:08.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 19 19:19:09.235 INFO running `"docker" "inspect" "7996c616d905507389d40ef2d6576bd460ee8e9b1d57b5238ea9c101ae467e74"`
Dec 19 19:19:09.526 INFO running `"docker" "rm" "-f" "7996c616d905507389d40ef2d6576bd460ee8e9b1d57b5238ea9c101ae467e74"`
Dec 19 19:19:09.867 INFO [stdout] 7996c616d905507389d40ef2d6576bd460ee8e9b1d57b5238ea9c101ae467e74