Dec 18 08:21:26.112 INFO checking BrandtNick/rust-minigrep against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:21:26.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/BrandtNick/rust-minigrep:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:21:26.560 INFO [stdout] 061017f14f64969ce95c48be560b318853177563cefc88a5548038159d4aee92
Dec 18 08:21:26.566 INFO running `"docker" "start" "-a" "061017f14f64969ce95c48be560b318853177563cefc88a5548038159d4aee92"`
Dec 18 08:21:28.496 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 18 08:21:29.052 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 08:21:29.052 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 08:21:29.052 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 08:21:29.052 INFO [stderr]   |
Dec 18 08:21:29.052 INFO [stderr] 2 | use std::io::prelude::*;
Dec 18 08:21:29.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:29.052 INFO [stderr]   |
Dec 18 08:21:29.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:21:29.052 INFO [stderr] 
Dec 18 08:21:29.052 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 08:21:29.052 INFO [stderr]   |
Dec 18 08:21:29.052 INFO [stderr] 2 | use std::io::prelude::*;
Dec 18 08:21:29.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:21:29.053 INFO [stderr]   |
Dec 18 08:21:29.053 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:21:29.053 INFO [stderr] 
Dec 18 08:21:29.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 18 08:21:31.061 INFO running `"docker" "inspect" "061017f14f64969ce95c48be560b318853177563cefc88a5548038159d4aee92"`
Dec 18 08:21:31.300 INFO running `"docker" "rm" "-f" "061017f14f64969ce95c48be560b318853177563cefc88a5548038159d4aee92"`
Dec 18 08:21:31.640 INFO [stdout] 061017f14f64969ce95c48be560b318853177563cefc88a5548038159d4aee92