Dec 18 06:41:41.177 INFO checking LothTikar/rusty_playlist_maker against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:41:41.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:41:41.724 INFO [stdout] 6cf82344847d3df78f669ae526991e18fdce1f73efeedd1bf20bcad4a136c533
Dec 18 06:41:41.726 INFO running `"docker" "start" "-a" "6cf82344847d3df78f669ae526991e18fdce1f73efeedd1bf20bcad4a136c533"`
Dec 18 06:41:44.308 INFO [stderr]     Checking memchr v2.0.2
Dec 18 06:41:44.654 INFO [stderr]     Checking csv-core v0.1.4
Dec 18 06:41:45.220 INFO [stderr]     Checking csv v1.0.1
Dec 18 06:41:46.685 INFO [stderr]     Checking rusty_playlist_maker v0.1.0 (/opt/crater/workdir)
Dec 18 06:41:47.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:41:47.180 INFO [stderr]   --> src/main.rs:65:9
Dec 18 06:41:47.180 INFO [stderr]    |
Dec 18 06:41:47.180 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Dec 18 06:41:47.180 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:41:47.180 INFO [stderr]    |
Dec 18 06:41:47.180 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:41:47.180 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:41:47.180 INFO [stderr] 
Dec 18 06:41:47.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:41:47.180 INFO [stderr]   --> src/main.rs:72:13
Dec 18 06:41:47.180 INFO [stderr]    |
Dec 18 06:41:47.180 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Dec 18 06:41:47.180 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:41:47.180 INFO [stderr]    |
Dec 18 06:41:47.180 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:41:47.180 INFO [stderr] 
Dec 18 06:41:47.244 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:41:47.244 INFO [stderr]   --> src/main.rs:65:9
Dec 18 06:41:47.244 INFO [stderr]    |
Dec 18 06:41:47.244 INFO [stderr] 65 |         file.write_all((i + "\n").as_bytes());
Dec 18 06:41:47.244 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:41:47.244 INFO [stderr]    |
Dec 18 06:41:47.244 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:41:47.244 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:41:47.244 INFO [stderr] 
Dec 18 06:41:47.244 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:41:47.244 INFO [stderr]   --> src/main.rs:72:13
Dec 18 06:41:47.244 INFO [stderr]    |
Dec 18 06:41:47.244 INFO [stderr] 72 |             file.write_all(format!("{}\n", i).as_bytes());
Dec 18 06:41:47.244 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:41:47.244 INFO [stderr]    |
Dec 18 06:41:47.244 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:41:47.244 INFO [stderr] 
Dec 18 06:41:47.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
Dec 18 06:41:48.314 INFO running `"docker" "inspect" "6cf82344847d3df78f669ae526991e18fdce1f73efeedd1bf20bcad4a136c533"`
Dec 18 06:41:48.564 INFO running `"docker" "rm" "-f" "6cf82344847d3df78f669ae526991e18fdce1f73efeedd1bf20bcad4a136c533"`
Dec 18 06:41:48.928 INFO [stdout] 6cf82344847d3df78f669ae526991e18fdce1f73efeedd1bf20bcad4a136c533