Dec 18 12:04:48.496 INFO checking rsay-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:04:48.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rsay/0.1.0:/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 12:04:48.904 INFO [stdout] f72efb5c5f2e2b623f5abfdba4b4c713b842556a9d1584940cb4424fb84c5f2a
Dec 18 12:04:48.906 INFO running `"docker" "start" "-a" "f72efb5c5f2e2b623f5abfdba4b4c713b842556a9d1584940cb4424fb84c5f2a"`
Dec 18 12:04:50.121 INFO [stderr]     Checking rsay v0.1.0 (/opt/crater/workdir)
Dec 18 12:04:50.337 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 12:04:50.337 INFO [stderr]  --> src/main.rs:3:5
Dec 18 12:04:50.337 INFO [stderr]   |
Dec 18 12:04:50.337 INFO [stderr] 3 | use std::io::prelude::*;
Dec 18 12:04:50.337 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 12:04:50.337 INFO [stderr]   |
Dec 18 12:04:50.337 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:04:50.337 INFO [stderr] 
Dec 18 12:04:50.520 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 18 12:04:50.520 INFO [stderr]  --> src/main.rs:3:5
Dec 18 12:04:50.520 INFO [stderr]   |
Dec 18 12:04:50.520 INFO [stderr] 3 | use std::io::prelude::*;
Dec 18 12:04:50.520 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 12:04:50.520 INFO [stderr]   |
Dec 18 12:04:50.520 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:04:50.520 INFO [stderr] 
Dec 18 12:04:50.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 18 12:04:50.924 INFO running `"docker" "inspect" "f72efb5c5f2e2b623f5abfdba4b4c713b842556a9d1584940cb4424fb84c5f2a"`
Dec 18 12:04:51.110 INFO running `"docker" "rm" "-f" "f72efb5c5f2e2b623f5abfdba4b4c713b842556a9d1584940cb4424fb84c5f2a"`
Dec 18 12:04:51.232 INFO [stdout] f72efb5c5f2e2b623f5abfdba4b4c713b842556a9d1584940cb4424fb84c5f2a