Dec 19 16:04:24.700 INFO checking hjybdrs/rust-con against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:04:24.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/hjybdrs/rust-con:/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 16:04:24.887 INFO [stdout] b47df1d716036e2ce011e838afd2435e8c3bb2f95e487453a68b9cca69e80276
Dec 19 16:04:24.890 INFO running `"docker" "start" "-a" "b47df1d716036e2ce011e838afd2435e8c3bb2f95e487453a68b9cca69e80276"`
Dec 19 16:04:25.458 INFO [stderr]     Checking con_chine v0.1.0 (/opt/crater/workdir)
Dec 19 16:04:25.621 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 16:04:25.621 INFO [stderr]  --> src/main.rs:3:5
Dec 19 16:04:25.621 INFO [stderr]   |
Dec 19 16:04:25.621 INFO [stderr] 3 | use std::time::Duration;
Dec 19 16:04:25.621 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 16:04:25.621 INFO [stderr]   |
Dec 19 16:04:25.621 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:04:25.621 INFO [stderr] 
Dec 19 16:04:25.648 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 16:04:25.648 INFO [stderr]  --> src/main.rs:3:5
Dec 19 16:04:25.648 INFO [stderr]   |
Dec 19 16:04:25.648 INFO [stderr] 3 | use std::time::Duration;
Dec 19 16:04:25.648 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 16:04:25.648 INFO [stderr]   |
Dec 19 16:04:25.648 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:04:25.648 INFO [stderr] 
Dec 19 16:04:25.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 19 16:04:26.006 INFO running `"docker" "inspect" "b47df1d716036e2ce011e838afd2435e8c3bb2f95e487453a68b9cca69e80276"`
Dec 19 16:04:26.115 INFO running `"docker" "rm" "-f" "b47df1d716036e2ce011e838afd2435e8c3bb2f95e487453a68b9cca69e80276"`
Dec 19 16:04:26.240 INFO [stdout] b47df1d716036e2ce011e838afd2435e8c3bb2f95e487453a68b9cca69e80276