Oct 13 03:44:59.862 INFO checking LothTikar/rusty_playlist_maker against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 03:44:59.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 03:45:00.372 INFO blam! 69515e860661c1e4209e90f791a39d4348e497abf7afe84f852c0d9b8f9439ed
Oct 13 03:45:00.374 INFO running `"docker" "start" "-a" "69515e860661c1e4209e90f791a39d4348e497abf7afe84f852c0d9b8f9439ed"`
Oct 13 03:45:02.008 INFO kablam! usermod: no changes
Oct 13 03:45:02.112 INFO kablam!     Checking libc v0.2.43
Oct 13 03:45:03.491 INFO kablam!     Checking memchr v2.0.2
Oct 13 03:45:03.760 INFO kablam!     Checking csv-core v0.1.4
Oct 13 03:45:04.304 INFO kablam!     Checking csv v1.0.1
Oct 13 03:45:06.084 INFO kablam!     Checking rusty_playlist_maker v0.1.0 (/source)
Oct 13 03:45:07.534 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:45:07.534 INFO kablam!   --> src/main.rs:65:9
Oct 13 03:45:07.534 INFO kablam!    |
Oct 13 03:45:07.535 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Oct 13 03:45:07.535 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:45:07.535 INFO kablam!    |
Oct 13 03:45:07.536 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 03:45:07.536 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:45:07.536 INFO kablam! 
Oct 13 03:45:07.536 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:45:07.536 INFO kablam!   --> src/main.rs:72:13
Oct 13 03:45:07.536 INFO kablam!    |
Oct 13 03:45:07.536 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Oct 13 03:45:07.536 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:45:07.536 INFO kablam!    |
Oct 13 03:45:07.536 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:45:07.536 INFO kablam! 
Oct 13 03:45:07.752 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:45:07.753 INFO kablam!   --> src/main.rs:65:9
Oct 13 03:45:07.754 INFO kablam!    |
Oct 13 03:45:07.755 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Oct 13 03:45:07.755 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:45:07.756 INFO kablam!    |
Oct 13 03:45:07.756 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 03:45:07.757 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:45:07.757 INFO kablam! 
Oct 13 03:45:07.758 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:45:07.758 INFO kablam!   --> src/main.rs:72:13
Oct 13 03:45:07.759 INFO kablam!    |
Oct 13 03:45:07.760 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Oct 13 03:45:07.760 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:45:07.761 INFO kablam!    |
Oct 13 03:45:07.761 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:45:07.762 INFO kablam! 
Oct 13 03:45:07.797 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
Oct 13 03:45:07.800 INFO kablam! su: No module specific data is present
Oct 13 03:45:09.089 INFO running `"docker" "rm" "-f" "69515e860661c1e4209e90f791a39d4348e497abf7afe84f852c0d9b8f9439ed"`
Oct 13 03:45:09.464 INFO blam! 69515e860661c1e4209e90f791a39d4348e497abf7afe84f852c0d9b8f9439ed