Nov 30 09:58:07.377 INFO checking LothTikar/rusty_playlist_maker against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:58:07.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 09:58:07.892 INFO [stdout] 9bb61dd97c9ddadfa3e641148e945d8370af20a8c22bee1a06bf238c8c6629da
Nov 30 09:58:07.899 INFO running `"docker" "start" "-a" "9bb61dd97c9ddadfa3e641148e945d8370af20a8c22bee1a06bf238c8c6629da"`
Nov 30 09:58:09.492 INFO [stderr] usermod: no changes
Nov 30 09:58:09.596 INFO [stderr]     Checking memchr v2.0.2
Nov 30 09:58:09.912 INFO [stderr]     Checking csv-core v0.1.4
Nov 30 09:58:10.496 INFO [stderr]     Checking csv v1.0.1
Nov 30 09:58:12.290 INFO [stderr]     Checking rusty_playlist_maker v0.1.0 (/source)
Nov 30 09:58:13.412 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:13.412 INFO [stderr]   --> src/main.rs:65:9
Nov 30 09:58:13.412 INFO [stderr]    |
Nov 30 09:58:13.412 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Nov 30 09:58:13.412 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:13.412 INFO [stderr]    |
Nov 30 09:58:13.412 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:58:13.412 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:13.412 INFO [stderr] 
Nov 30 09:58:13.412 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:13.412 INFO [stderr]   --> src/main.rs:72:13
Nov 30 09:58:13.412 INFO [stderr]    |
Nov 30 09:58:13.412 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 30 09:58:13.412 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:13.412 INFO [stderr]    |
Nov 30 09:58:13.412 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:13.412 INFO [stderr] 
Nov 30 09:58:13.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:13.621 INFO [stderr]   --> src/main.rs:65:9
Nov 30 09:58:13.621 INFO [stderr]    |
Nov 30 09:58:13.622 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Nov 30 09:58:13.622 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:13.622 INFO [stderr]    |
Nov 30 09:58:13.623 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:58:13.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:13.623 INFO [stderr] 
Nov 30 09:58:13.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 09:58:13.624 INFO [stderr]   --> src/main.rs:72:13
Nov 30 09:58:13.624 INFO [stderr]    |
Nov 30 09:58:13.624 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Nov 30 09:58:13.624 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 09:58:13.625 INFO [stderr]    |
Nov 30 09:58:13.625 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 09:58:13.625 INFO [stderr] 
Nov 30 09:58:13.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
Nov 30 09:58:13.663 INFO [stderr] su: No module specific data is present
Nov 30 09:58:15.224 INFO running `"docker" "inspect" "9bb61dd97c9ddadfa3e641148e945d8370af20a8c22bee1a06bf238c8c6629da"`
Nov 30 09:58:15.542 INFO running `"docker" "rm" "-f" "9bb61dd97c9ddadfa3e641148e945d8370af20a8c22bee1a06bf238c8c6629da"`
Nov 30 09:58:15.843 INFO [stdout] 9bb61dd97c9ddadfa3e641148e945d8370af20a8c22bee1a06bf238c8c6629da