Dec 18 04:56:56.267 INFO checking VitalyAnkh/minigrep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:56:56.267 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/VitalyAnkh/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:56:56.472 INFO [stdout] 74960b128bcbcae91dfe5ed76ab3fa77666d97b9c0c8c1b1b9a623e0929d230e
Dec 18 04:56:56.474 INFO running `"docker" "start" "-a" "74960b128bcbcae91dfe5ed76ab3fa77666d97b9c0c8c1b1b9a623e0929d230e"`
Dec 18 04:56:57.412 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 18 04:56:58.100 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 04:56:58.100 INFO [stderr]  --> src/main.rs:2:5
Dec 18 04:56:58.100 INFO [stderr]   |
Dec 18 04:56:58.100 INFO [stderr] 2 | use std::io::prelude::*;
Dec 18 04:56:58.100 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 04:56:58.100 INFO [stderr]   |
Dec 18 04:56:58.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:56:58.100 INFO [stderr] 
Dec 18 04:56:58.100 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 04:56:58.100 INFO [stderr]  --> src/main.rs:2:5
Dec 18 04:56:58.100 INFO [stderr]   |
Dec 18 04:56:58.100 INFO [stderr] 2 | use std::io::prelude::*;
Dec 18 04:56:58.100 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 04:56:58.100 INFO [stderr]   |
Dec 18 04:56:58.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:56:58.100 INFO [stderr] 
Dec 18 04:56:58.161 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 18 04:56:58.506 INFO running `"docker" "inspect" "74960b128bcbcae91dfe5ed76ab3fa77666d97b9c0c8c1b1b9a623e0929d230e"`
Dec 18 04:56:58.580 INFO running `"docker" "rm" "-f" "74960b128bcbcae91dfe5ed76ab3fa77666d97b9c0c8c1b1b9a623e0929d230e"`
Dec 18 04:56:58.728 INFO [stdout] 74960b128bcbcae91dfe5ed76ab3fa77666d97b9c0c8c1b1b9a623e0929d230e