Dec 19 11:03:45.028 INFO checking phase/ler against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:03:45.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/phase/ler:/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 11:03:45.556 INFO [stdout] b6a240f2cd91a67d9d3169b0592d39c31bc8bf1d1f802bd47bd816bdeafe0fa3
Dec 19 11:03:45.559 INFO running `"docker" "start" "-a" "b6a240f2cd91a67d9d3169b0592d39c31bc8bf1d1f802bd47bd816bdeafe0fa3"`
Dec 19 11:03:47.429 INFO [stderr]     Checking ler v0.0.0 (/opt/crater/workdir)
Dec 19 11:03:47.692 INFO [stderr] warning: unused variable: `matches`
Dec 19 11:03:47.692 INFO [stderr]  --> src/main.rs:6:9
Dec 19 11:03:47.692 INFO [stderr]   |
Dec 19 11:03:47.692 INFO [stderr] 6 |     let matches = App::new("ler")
Dec 19 11:03:47.692 INFO [stderr]   |         ^^^^^^^ help: consider using `_matches` instead
Dec 19 11:03:47.692 INFO [stderr]   |
Dec 19 11:03:47.692 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 11:03:47.692 INFO [stderr] 
Dec 19 11:03:47.692 INFO [stderr] warning: unused variable: `matches`
Dec 19 11:03:47.692 INFO [stderr]  --> src/main.rs:6:9
Dec 19 11:03:47.692 INFO [stderr]   |
Dec 19 11:03:47.692 INFO [stderr] 6 |     let matches = App::new("ler")
Dec 19 11:03:47.692 INFO [stderr]   |         ^^^^^^^ help: consider using `_matches` instead
Dec 19 11:03:47.692 INFO [stderr]   |
Dec 19 11:03:47.719 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 11:03:47.719 INFO [stderr] 
Dec 19 11:03:47.753 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 19 11:03:48.230 INFO running `"docker" "inspect" "b6a240f2cd91a67d9d3169b0592d39c31bc8bf1d1f802bd47bd816bdeafe0fa3"`
Dec 19 11:03:48.484 INFO running `"docker" "rm" "-f" "b6a240f2cd91a67d9d3169b0592d39c31bc8bf1d1f802bd47bd816bdeafe0fa3"`
Dec 19 11:03:48.642 INFO [stdout] b6a240f2cd91a67d9d3169b0592d39c31bc8bf1d1f802bd47bd816bdeafe0fa3