Dec 05 01:25:58.572 INFO checking LothTikar/rusty_playlist_maker against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:25:58.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 01:25:59.156 INFO [stdout] 66b16bd141081fa251f0b7bdf456249a68b4a8b25799a11a927c10e3acaaf777
Dec 05 01:25:59.159 INFO running `"docker" "start" "-a" "66b16bd141081fa251f0b7bdf456249a68b4a8b25799a11a927c10e3acaaf777"`
Dec 05 01:26:00.774 INFO [stderr] usermod: no changes
Dec 05 01:26:00.879 INFO [stderr]     Checking memchr v2.0.2
Dec 05 01:26:01.156 INFO [stderr]     Checking csv-core v0.1.4
Dec 05 01:26:01.731 INFO [stderr]     Checking csv v1.0.1
Dec 05 01:26:03.501 INFO [stderr]     Checking rusty_playlist_maker v0.1.0 (/source)
Dec 05 01:26:04.407 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:26:04.407 INFO [stderr]   --> src/main.rs:65:9
Dec 05 01:26:04.407 INFO [stderr]    |
Dec 05 01:26:04.407 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Dec 05 01:26:04.407 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:26:04.407 INFO [stderr]    |
Dec 05 01:26:04.407 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:26:04.407 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:26:04.407 INFO [stderr] 
Dec 05 01:26:04.407 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:26:04.407 INFO [stderr]   --> src/main.rs:72:13
Dec 05 01:26:04.407 INFO [stderr]    |
Dec 05 01:26:04.407 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Dec 05 01:26:04.407 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:26:04.407 INFO [stderr]    |
Dec 05 01:26:04.407 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:26:04.407 INFO [stderr] 
Dec 05 01:26:04.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:26:04.491 INFO [stderr]   --> src/main.rs:65:9
Dec 05 01:26:04.491 INFO [stderr]    |
Dec 05 01:26:04.491 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Dec 05 01:26:04.491 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:26:04.491 INFO [stderr]    |
Dec 05 01:26:04.491 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:26:04.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:26:04.491 INFO [stderr] 
Dec 05 01:26:04.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:26:04.491 INFO [stderr]   --> src/main.rs:72:13
Dec 05 01:26:04.491 INFO [stderr]    |
Dec 05 01:26:04.491 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Dec 05 01:26:04.491 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:26:04.491 INFO [stderr]    |
Dec 05 01:26:04.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:26:04.491 INFO [stderr] 
Dec 05 01:26:04.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
Dec 05 01:26:04.531 INFO [stderr] su: No module specific data is present
Dec 05 01:26:05.736 INFO running `"docker" "inspect" "66b16bd141081fa251f0b7bdf456249a68b4a8b25799a11a927c10e3acaaf777"`
Dec 05 01:26:06.013 INFO running `"docker" "rm" "-f" "66b16bd141081fa251f0b7bdf456249a68b4a8b25799a11a927c10e3acaaf777"`
Dec 05 01:26:06.376 INFO [stdout] 66b16bd141081fa251f0b7bdf456249a68b4a8b25799a11a927c10e3acaaf777