Dec 19 16:52:50.085 INFO checking fnuttens/minigrep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:52:50.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/fnuttens/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:52:50.559 INFO [stdout] 4df48e7b304570e530608efbabb86b82289e933ffbeb524011025a6a05bdd598
Dec 19 16:52:50.572 INFO running `"docker" "start" "-a" "4df48e7b304570e530608efbabb86b82289e933ffbeb524011025a6a05bdd598"`
Dec 19 16:52:52.584 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 19 16:52:52.804 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 16:52:52.804 INFO [stderr]  --> src/lib.rs:4:5
Dec 19 16:52:52.804 INFO [stderr]   |
Dec 19 16:52:52.804 INFO [stderr] 4 | use std::io::prelude::*;
Dec 19 16:52:52.804 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 16:52:52.804 INFO [stderr]   |
Dec 19 16:52:52.808 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:52:52.808 INFO [stderr] 
Dec 19 16:52:52.998 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 16:52:52.998 INFO [stderr]  --> src/lib.rs:4:5
Dec 19 16:52:52.998 INFO [stderr]   |
Dec 19 16:52:52.998 INFO [stderr] 4 | use std::io::prelude::*;
Dec 19 16:52:52.998 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 16:52:52.998 INFO [stderr]   |
Dec 19 16:52:53.000 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:52:53.004 INFO [stderr] 
Dec 19 16:52:53.438 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 19 16:52:53.996 INFO running `"docker" "inspect" "4df48e7b304570e530608efbabb86b82289e933ffbeb524011025a6a05bdd598"`
Dec 19 16:52:54.296 INFO running `"docker" "rm" "-f" "4df48e7b304570e530608efbabb86b82289e933ffbeb524011025a6a05bdd598"`
Dec 19 16:52:54.532 INFO [stdout] 4df48e7b304570e530608efbabb86b82289e933ffbeb524011025a6a05bdd598