Dec 18 00:09:35.617 INFO checking fnuttens/minigrep against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:09:35.617 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/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:09:36.026 INFO [stdout] e92089517042c85a5de2cac2420429baf83bab8a828ba50e333db45b82018075
Dec 18 00:09:36.030 INFO running `"docker" "start" "-a" "e92089517042c85a5de2cac2420429baf83bab8a828ba50e333db45b82018075"`
Dec 18 00:09:37.456 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 18 00:09:37.888 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 18 00:09:37.888 INFO [stderr]  --> src/lib.rs:4:5
Dec 18 00:09:37.888 INFO [stderr]   |
Dec 18 00:09:37.888 INFO [stderr] 4 | use std::io::prelude::*;
Dec 18 00:09:37.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 00:09:37.888 INFO [stderr]   |
Dec 18 00:09:37.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:09:37.888 INFO [stderr] 
Dec 18 00:09:37.943 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 18 00:09:37.943 INFO [stderr]  --> src/lib.rs:4:5
Dec 18 00:09:37.943 INFO [stderr]   |
Dec 18 00:09:37.943 INFO [stderr] 4 | use std::io::prelude::*;
Dec 18 00:09:37.943 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 00:09:37.943 INFO [stderr]   |
Dec 18 00:09:37.943 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:09:37.943 INFO [stderr] 
Dec 18 00:09:38.253 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 18 00:09:39.124 INFO running `"docker" "inspect" "e92089517042c85a5de2cac2420429baf83bab8a828ba50e333db45b82018075"`
Dec 18 00:09:39.394 INFO running `"docker" "rm" "-f" "e92089517042c85a5de2cac2420429baf83bab8a828ba50e333db45b82018075"`
Dec 18 00:09:39.752 INFO [stdout] e92089517042c85a5de2cac2420429baf83bab8a828ba50e333db45b82018075