Dec 19 13:21:05.142 INFO checking lux01/synacor against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:21:05.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/lux01/synacor:/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 13:21:05.578 INFO [stdout] b8134ebfc9f05552620217621f8a4bbd24403f3e2e757db9451793536a79a098
Dec 19 13:21:05.582 INFO running `"docker" "start" "-a" "b8134ebfc9f05552620217621f8a4bbd24403f3e2e757db9451793536a79a098"`
Dec 19 13:21:07.573 INFO [stderr]     Checking bit-vec v0.4.3
Dec 19 13:21:07.573 INFO [stderr]     Checking serde v0.9.6
Dec 19 13:21:07.580 INFO [stderr]     Checking rand v0.3.15
Dec 19 13:21:07.580 INFO [stderr]    Compiling syn v0.11.4
Dec 19 13:21:08.976 INFO [stderr]     Checking bit-set v0.4.0
Dec 19 13:21:11.542 INFO [stderr]     Checking chan v0.1.18
Dec 19 13:21:13.019 INFO [stderr]     Checking chan-signal v0.2.0
Dec 19 13:21:18.333 INFO [stderr]    Compiling serde_codegen_internals v0.13.0
Dec 19 13:21:20.817 INFO [stderr]    Compiling serde_derive v0.9.6
Dec 19 13:21:23.382 INFO [stderr]     Checking serde_json v0.9.5
Dec 19 13:21:28.139 INFO [stderr]     Checking synacor v0.1.0 (/opt/crater/workdir)
Dec 19 13:21:31.520 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 13:21:31.520 INFO [stderr]  --> src/debugger/main.rs:8:1
Dec 19 13:21:31.520 INFO [stderr]   |
Dec 19 13:21:31.520 INFO [stderr] 8 | #[macro_use] extern crate chan;
Dec 19 13:21:31.520 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 13:21:31.520 INFO [stderr]   |
Dec 19 13:21:31.520 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:21:31.520 INFO [stderr] 
Dec 19 13:21:31.608 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 13:21:31.612 INFO [stderr]  --> src/debugger/main.rs:8:1
Dec 19 13:21:31.612 INFO [stderr]   |
Dec 19 13:21:31.612 INFO [stderr] 8 | #[macro_use] extern crate chan;
Dec 19 13:21:31.612 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 13:21:31.612 INFO [stderr]   |
Dec 19 13:21:31.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:21:31.612 INFO [stderr] 
Dec 19 13:21:32.093 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.62s
Dec 19 13:21:33.156 INFO running `"docker" "inspect" "b8134ebfc9f05552620217621f8a4bbd24403f3e2e757db9451793536a79a098"`
Dec 19 13:21:33.411 INFO running `"docker" "rm" "-f" "b8134ebfc9f05552620217621f8a4bbd24403f3e2e757db9451793536a79a098"`
Dec 19 13:21:33.708 INFO [stdout] b8134ebfc9f05552620217621f8a4bbd24403f3e2e757db9451793536a79a098