Dec 19 08:53:07.663 INFO checking shterrett/rust-concurrency-tutorial against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:53:07.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/shterrett/rust-concurrency-tutorial:/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 08:53:08.204 INFO [stdout] 15860de813560362195cefc9cd0e9cce3c65a7d0ef546f21196d93d645d3c8c2
Dec 19 08:53:08.210 INFO running `"docker" "start" "-a" "15860de813560362195cefc9cd0e9cce3c65a7d0ef546f21196d93d645d3c8c2"`
Dec 19 08:53:10.222 INFO [stderr]     Checking chan v0.1.19
Dec 19 08:53:10.868 INFO [stderr]     Checking rust-concurrency-tutorial v0.1.0 (/opt/crater/workdir)
Dec 19 08:53:11.046 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 08:53:11.046 INFO [stderr]  --> src/main.rs:1:1
Dec 19 08:53:11.046 INFO [stderr]   |
Dec 19 08:53:11.046 INFO [stderr] 1 | #[macro_use]
Dec 19 08:53:11.046 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 08:53:11.046 INFO [stderr]   |
Dec 19 08:53:11.046 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:53:11.047 INFO [stderr] 
Dec 19 08:53:11.204 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 08:53:11.204 INFO [stderr]  --> src/main.rs:1:1
Dec 19 08:53:11.204 INFO [stderr]   |
Dec 19 08:53:11.204 INFO [stderr] 1 | #[macro_use]
Dec 19 08:53:11.204 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 08:53:11.204 INFO [stderr]   |
Dec 19 08:53:11.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:53:11.204 INFO [stderr] 
Dec 19 08:53:11.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 19 08:53:12.280 INFO running `"docker" "inspect" "15860de813560362195cefc9cd0e9cce3c65a7d0ef546f21196d93d645d3c8c2"`
Dec 19 08:53:12.590 INFO running `"docker" "rm" "-f" "15860de813560362195cefc9cd0e9cce3c65a7d0ef546f21196d93d645d3c8c2"`
Dec 19 08:53:12.877 INFO [stdout] 15860de813560362195cefc9cd0e9cce3c65a7d0ef546f21196d93d645d3c8c2