Dec 18 06:41:44.906 INFO checking LothTikar/rusty_playlist_maker against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 06:41:44.906 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/LothTikar/rusty_playlist_maker:/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 06:41:45.432 INFO [stdout] 917d6059593df59a39d784e380426443d96627257c3f43ac0bd8e343d2e0106b Dec 18 06:41:45.434 INFO running `"docker" "start" "-a" "917d6059593df59a39d784e380426443d96627257c3f43ac0bd8e343d2e0106b"` Dec 18 06:41:47.677 INFO [stderr] Checking memchr v2.0.2 Dec 18 06:41:47.957 INFO [stderr] Checking csv-core v0.1.4 Dec 18 06:41:48.460 INFO [stderr] Checking csv v1.0.1 Dec 18 06:41:49.912 INFO [stderr] Checking rusty_playlist_maker v0.1.0 (/opt/crater/workdir) Dec 18 06:41:50.344 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 06:41:50.344 INFO [stderr] --> src/main.rs:65:9 Dec 18 06:41:50.344 INFO [stderr] | Dec 18 06:41:50.344 INFO [stderr] 65 | file.write_all((i + "\n").as_bytes()); Dec 18 06:41:50.344 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 06:41:50.344 INFO [stderr] | Dec 18 06:41:50.344 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 06:41:50.344 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 06:41:50.344 INFO [stderr] Dec 18 06:41:50.344 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 06:41:50.344 INFO [stderr] --> src/main.rs:72:13 Dec 18 06:41:50.344 INFO [stderr] | Dec 18 06:41:50.344 INFO [stderr] 72 | file.write_all(format!("{}\n", i).as_bytes()); Dec 18 06:41:50.344 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 06:41:50.344 INFO [stderr] | Dec 18 06:41:50.344 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 06:41:50.344 INFO [stderr] Dec 18 06:41:50.492 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 06:41:50.492 INFO [stderr] --> src/main.rs:65:9 Dec 18 06:41:50.492 INFO [stderr] | Dec 18 06:41:50.492 INFO [stderr] 65 | file.write_all((i + "\n").as_bytes()); Dec 18 06:41:50.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 06:41:50.492 INFO [stderr] | Dec 18 06:41:50.492 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 06:41:50.492 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 06:41:50.492 INFO [stderr] Dec 18 06:41:50.492 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 06:41:50.492 INFO [stderr] --> src/main.rs:72:13 Dec 18 06:41:50.492 INFO [stderr] | Dec 18 06:41:50.492 INFO [stderr] 72 | file.write_all(format!("{}\n", i).as_bytes()); Dec 18 06:41:50.492 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 06:41:50.492 INFO [stderr] | Dec 18 06:41:50.492 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 06:41:50.492 INFO [stderr] Dec 18 06:41:50.532 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.94s Dec 18 06:41:51.294 INFO running `"docker" "inspect" "917d6059593df59a39d784e380426443d96627257c3f43ac0bd8e343d2e0106b"` Dec 18 06:41:51.634 INFO running `"docker" "rm" "-f" "917d6059593df59a39d784e380426443d96627257c3f43ac0bd8e343d2e0106b"` Dec 18 06:41:51.999 INFO [stdout] 917d6059593df59a39d784e380426443d96627257c3f43ac0bd8e343d2e0106b