Oct 21 21:03:20.658 INFO checking LothTikar/rusty_playlist_maker against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 21:03:20.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 21:03:21.132 INFO blam! cce177807eee8a71873e877fbbe44ef2a415a24226adfbabee8812158be32d8a
Oct 21 21:03:21.136 INFO running `"docker" "start" "-a" "cce177807eee8a71873e877fbbe44ef2a415a24226adfbabee8812158be32d8a"`
Oct 21 21:03:22.135 INFO kablam! usermod: no changes
Oct 21 21:03:22.176 INFO kablam!     Blocking waiting for file lock on the registry index
Oct 21 21:03:22.316 INFO kablam!     Checking libc v0.2.43
Oct 21 21:03:23.641 INFO kablam!     Checking memchr v2.0.2
Oct 21 21:03:23.880 INFO kablam!     Checking csv-core v0.1.4
Oct 21 21:03:24.392 INFO kablam!     Checking csv v1.0.1
Oct 21 21:03:26.120 INFO kablam!     Checking rusty_playlist_maker v0.1.0 (/source)
Oct 21 21:03:27.344 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 21:03:27.344 INFO kablam!   --> src/main.rs:65:9
Oct 21 21:03:27.344 INFO kablam!    |
Oct 21 21:03:27.344 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Oct 21 21:03:27.344 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:03:27.344 INFO kablam!    |
Oct 21 21:03:27.344 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 21:03:27.344 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 21:03:27.344 INFO kablam! 
Oct 21 21:03:27.344 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 21:03:27.344 INFO kablam!   --> src/main.rs:72:13
Oct 21 21:03:27.344 INFO kablam!    |
Oct 21 21:03:27.344 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Oct 21 21:03:27.344 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:03:27.352 INFO kablam!    |
Oct 21 21:03:27.352 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 21:03:27.352 INFO kablam! 
Oct 21 21:03:27.440 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 21:03:27.440 INFO kablam!   --> src/main.rs:65:9
Oct 21 21:03:27.440 INFO kablam!    |
Oct 21 21:03:27.440 INFO kablam! 65 |         file.write_all((i + "\n").as_bytes());
Oct 21 21:03:27.440 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:03:27.440 INFO kablam!    |
Oct 21 21:03:27.440 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 21:03:27.440 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 21:03:27.440 INFO kablam! 
Oct 21 21:03:27.440 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 21:03:27.440 INFO kablam!   --> src/main.rs:72:13
Oct 21 21:03:27.440 INFO kablam!    |
Oct 21 21:03:27.440 INFO kablam! 72 |             file.write_all(format!("{}\n", i).as_bytes());
Oct 21 21:03:27.440 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 21:03:27.440 INFO kablam!    |
Oct 21 21:03:27.440 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 21:03:27.440 INFO kablam! 
Oct 21 21:03:27.460 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
Oct 21 21:03:27.460 INFO kablam! su: No module specific data is present
Oct 21 21:03:28.274 INFO running `"docker" "rm" "-f" "cce177807eee8a71873e877fbbe44ef2a415a24226adfbabee8812158be32d8a"`
Oct 21 21:03:28.546 INFO blam! cce177807eee8a71873e877fbbe44ef2a415a24226adfbabee8812158be32d8a