Dec 18 02:23:34.676 INFO checking ckafi/penandink against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:23:34.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:23:35.204 INFO [stdout] a59efd75c9a0592ad4e152857769df74e87e7501361dc8fabb00b5117233413d
Dec 18 02:23:35.206 INFO running `"docker" "start" "-a" "a59efd75c9a0592ad4e152857769df74e87e7501361dc8fabb00b5117233413d"`
Dec 18 02:23:37.198 INFO [stderr]     Checking csv v0.15.0
Dec 18 02:23:37.942 INFO [stderr]     Checking penandink v0.1.0 (/opt/crater/workdir)
Dec 18 02:23:38.368 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:23:38.372 INFO [stderr]   --> src/main.rs:34:9
Dec 18 02:23:38.372 INFO [stderr]    |
Dec 18 02:23:38.372 INFO [stderr] 34 |         io::stdout().flush();
Dec 18 02:23:38.372 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:23:38.372 INFO [stderr]    |
Dec 18 02:23:38.372 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:23:38.372 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:23:38.372 INFO [stderr] 
Dec 18 02:23:38.420 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:23:38.420 INFO [stderr]   --> src/main.rs:34:9
Dec 18 02:23:38.420 INFO [stderr]    |
Dec 18 02:23:38.420 INFO [stderr] 34 |         io::stdout().flush();
Dec 18 02:23:38.420 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:23:38.420 INFO [stderr]    |
Dec 18 02:23:38.420 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:23:38.420 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:23:38.420 INFO [stderr] 
Dec 18 02:23:38.469 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 18 02:23:39.928 INFO running `"docker" "inspect" "a59efd75c9a0592ad4e152857769df74e87e7501361dc8fabb00b5117233413d"`
Dec 18 02:23:40.272 INFO running `"docker" "rm" "-f" "a59efd75c9a0592ad4e152857769df74e87e7501361dc8fabb00b5117233413d"`
Dec 18 02:23:40.628 INFO [stdout] a59efd75c9a0592ad4e152857769df74e87e7501361dc8fabb00b5117233413d