Dec 19 18:58:43.995 INFO checking ckafi/penandink against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:58:43.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ckafi/penandink:/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 18:58:44.662 INFO [stdout] 122beeaf77d73b6920755f8e041bde1e0971cdeaa0487c0cd5cabd9fab48f850
Dec 19 18:58:44.665 INFO running `"docker" "start" "-a" "122beeaf77d73b6920755f8e041bde1e0971cdeaa0487c0cd5cabd9fab48f850"`
Dec 19 18:58:46.744 INFO [stderr]     Checking csv v0.15.0
Dec 19 18:58:47.677 INFO [stderr]     Checking penandink v0.1.0 (/opt/crater/workdir)
Dec 19 18:58:48.290 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:58:48.290 INFO [stderr]   --> src/main.rs:34:9
Dec 19 18:58:48.290 INFO [stderr]    |
Dec 19 18:58:48.290 INFO [stderr] 34 |         io::stdout().flush();
Dec 19 18:58:48.290 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:58:48.292 INFO [stderr]    |
Dec 19 18:58:48.292 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:58:48.292 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:58:48.292 INFO [stderr] 
Dec 19 18:58:48.380 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:58:48.380 INFO [stderr]   --> src/main.rs:34:9
Dec 19 18:58:48.380 INFO [stderr]    |
Dec 19 18:58:48.380 INFO [stderr] 34 |         io::stdout().flush();
Dec 19 18:58:48.380 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:58:48.380 INFO [stderr]    |
Dec 19 18:58:48.380 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:58:48.380 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:58:48.380 INFO [stderr] 
Dec 19 18:58:48.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Dec 19 18:58:49.460 INFO running `"docker" "inspect" "122beeaf77d73b6920755f8e041bde1e0971cdeaa0487c0cd5cabd9fab48f850"`
Dec 19 18:58:49.820 INFO running `"docker" "rm" "-f" "122beeaf77d73b6920755f8e041bde1e0971cdeaa0487c0cd5cabd9fab48f850"`
Dec 19 18:58:50.136 INFO [stdout] 122beeaf77d73b6920755f8e041bde1e0971cdeaa0487c0cd5cabd9fab48f850