Dec 17 17:05:40.596 INFO checking rennergade/minigrep-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:05:40.596 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/rennergade/minigrep-rust:/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 17 17:05:41.070 INFO [stdout] 917c04f7dfe3fb8b535893ee115f1be775db10c1b33e44bcf17d2d5d6a984771
Dec 17 17:05:41.074 INFO running `"docker" "start" "-a" "917c04f7dfe3fb8b535893ee115f1be775db10c1b33e44bcf17d2d5d6a984771"`
Dec 17 17:05:42.625 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 17 17:05:42.884 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 17 17:05:42.884 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 17:05:42.884 INFO [stderr]   |
Dec 17 17:05:42.884 INFO [stderr] 3 | use std::io::prelude::*;
Dec 17 17:05:42.884 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:05:42.884 INFO [stderr]   |
Dec 17 17:05:42.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:05:42.884 INFO [stderr] 
Dec 17 17:05:42.940 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 17 17:05:42.940 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 17:05:42.940 INFO [stderr]   |
Dec 17 17:05:42.940 INFO [stderr] 3 | use std::io::prelude::*;
Dec 17 17:05:42.940 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:05:42.940 INFO [stderr]   |
Dec 17 17:05:42.940 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:05:42.940 INFO [stderr] 
Dec 17 17:05:43.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 17 17:05:43.880 INFO running `"docker" "inspect" "917c04f7dfe3fb8b535893ee115f1be775db10c1b33e44bcf17d2d5d6a984771"`
Dec 17 17:05:44.184 INFO running `"docker" "rm" "-f" "917c04f7dfe3fb8b535893ee115f1be775db10c1b33e44bcf17d2d5d6a984771"`
Dec 17 17:05:44.456 INFO [stdout] 917c04f7dfe3fb8b535893ee115f1be775db10c1b33e44bcf17d2d5d6a984771