Dec 19 14:23:35.103 INFO checking kgeronim/minigrep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:23:35.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kgeronim/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 14:23:35.535 INFO [stdout] f90b9d363807c1da5922578fb17e4a403923f89f34e5ced65b2f9a62931b0f28
Dec 19 14:23:35.538 INFO running `"docker" "start" "-a" "f90b9d363807c1da5922578fb17e4a403923f89f34e5ced65b2f9a62931b0f28"`
Dec 19 14:23:36.796 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 19 14:23:37.021 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 14:23:37.021 INFO [stderr]  --> src/lib.rs:2:5
Dec 19 14:23:37.021 INFO [stderr]   |
Dec 19 14:23:37.021 INFO [stderr] 2 | use std::io::prelude::*;
Dec 19 14:23:37.022 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 14:23:37.022 INFO [stderr]   |
Dec 19 14:23:37.022 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:23:37.022 INFO [stderr] 
Dec 19 14:23:37.150 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 14:23:37.150 INFO [stderr]  --> src/lib.rs:2:5
Dec 19 14:23:37.150 INFO [stderr]   |
Dec 19 14:23:37.150 INFO [stderr] 2 | use std::io::prelude::*;
Dec 19 14:23:37.150 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 14:23:37.150 INFO [stderr]   |
Dec 19 14:23:37.150 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:23:37.150 INFO [stderr] 
Dec 19 14:23:37.470 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 14:23:38.360 INFO running `"docker" "inspect" "f90b9d363807c1da5922578fb17e4a403923f89f34e5ced65b2f9a62931b0f28"`
Dec 19 14:23:38.728 INFO running `"docker" "rm" "-f" "f90b9d363807c1da5922578fb17e4a403923f89f34e5ced65b2f9a62931b0f28"`
Dec 19 14:23:38.996 INFO [stdout] f90b9d363807c1da5922578fb17e4a403923f89f34e5ced65b2f9a62931b0f28