Dec 19 17:18:38.077 INFO checking ericho/minion against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:18:38.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ericho/minion:/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 17:18:38.572 INFO [stdout] 6f41350b694756ba42b44c6d4e0a25f30f89a227a99388577e4a24a77c7dcafc
Dec 19 17:18:38.578 INFO running `"docker" "start" "-a" "6f41350b694756ba42b44c6d4e0a25f30f89a227a99388577e4a24a77c7dcafc"`
Dec 19 17:18:40.328 INFO [stderr]    Compiling sysinfo v0.5.6
Dec 19 17:18:40.344 INFO [stderr]     Checking mio v0.6.14
Dec 19 17:18:40.344 INFO [stderr]     Checking tokio-io v0.1.6
Dec 19 17:18:40.344 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 19 17:18:40.344 INFO [stderr]     Checking rayon-core v1.4.0
Dec 19 17:18:40.344 INFO [stderr]    Compiling structopt-derive v0.2.5
Dec 19 17:18:40.344 INFO [stderr]    Compiling serde_derive_internals v0.21.0
Dec 19 17:18:43.964 INFO [stderr]     Checking rayon v1.0.1
Dec 19 17:18:49.501 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 17:18:50.236 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 19 17:18:51.263 INFO [stderr]     Checking structopt v0.2.5
Dec 19 17:18:51.859 INFO [stderr]    Compiling serde_derive v1.0.33
Dec 19 17:18:53.132 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 17:18:53.133 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 17:18:55.108 INFO [stderr]     Checking tokio v0.1.6
Dec 19 17:18:57.084 INFO [stderr]     Checking tokio-core v0.1.15
Dec 19 17:19:04.544 INFO [stderr]     Checking minion v0.1.0 (/opt/crater/workdir)
Dec 19 17:19:05.814 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:19:05.815 INFO [stderr]   --> src/main.rs:16:1
Dec 19 17:19:05.815 INFO [stderr]    |
Dec 19 17:19:05.815 INFO [stderr] 16 | #[macro_use]
Dec 19 17:19:05.816 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 17:19:05.816 INFO [stderr]    |
Dec 19 17:19:05.816 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 17:19:05.816 INFO [stderr] 
Dec 19 17:19:05.867 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:19:05.867 INFO [stderr]   --> src/main.rs:16:1
Dec 19 17:19:05.867 INFO [stderr]    |
Dec 19 17:19:05.867 INFO [stderr] 16 | #[macro_use]
Dec 19 17:19:05.867 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 17:19:05.867 INFO [stderr]    |
Dec 19 17:19:05.867 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 17:19:05.867 INFO [stderr] 
Dec 19 17:19:06.505 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
Dec 19 17:19:07.292 INFO running `"docker" "inspect" "6f41350b694756ba42b44c6d4e0a25f30f89a227a99388577e4a24a77c7dcafc"`
Dec 19 17:19:07.614 INFO running `"docker" "rm" "-f" "6f41350b694756ba42b44c6d4e0a25f30f89a227a99388577e4a24a77c7dcafc"`
Dec 19 17:19:07.888 INFO [stdout] 6f41350b694756ba42b44c6d4e0a25f30f89a227a99388577e4a24a77c7dcafc