Oct 12 14:56:43.471 INFO checking robertmaloney/advent2017 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:56:43.471 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 12 14:56:43.720 INFO blam! 02231c8b6050b93cef22c798915c8015923951d17e7a01358eb6d10ac8acd212
Oct 12 14:56:43.721 INFO running `"docker" "start" "-a" "02231c8b6050b93cef22c798915c8015923951d17e7a01358eb6d10ac8acd212"`
Oct 12 14:56:44.083 INFO kablam! usermod: no changes
Oct 12 14:56:44.101 INFO kablam!     Checking advent2017 v0.1.0 (/source)
Oct 12 14:56:44.397 INFO kablam! warning: function is never used: `max_min_difference`
Oct 12 14:56:44.397 INFO kablam!  --> src/day_two/mod.rs:5:1
Oct 12 14:56:44.397 INFO kablam!   |
Oct 12 14:56:44.397 INFO kablam! 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Oct 12 14:56:44.397 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:56:44.397 INFO kablam!   |
Oct 12 14:56:44.397 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 14:56:44.397 INFO kablam! 
Oct 12 14:56:44.397 INFO kablam! warning: field is never used: `value`
Oct 12 14:56:44.397 INFO kablam!  --> src/day_three/mod.rs:6:3
Oct 12 14:56:44.398 INFO kablam!   |
Oct 12 14:56:44.398 INFO kablam! 6 |   value: i32,
Oct 12 14:56:44.398 INFO kablam!   |   ^^^^^^^^^^
Oct 12 14:56:44.398 INFO kablam! 
Oct 12 14:56:44.407 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:56:44.407 INFO kablam!   --> src/util/mod.rs:11:3
Oct 12 14:56:44.407 INFO kablam!    |
Oct 12 14:56:44.407 INFO kablam! 11 |   reader.read_to_string(&mut buffer);
Oct 12 14:56:44.407 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:56:44.407 INFO kablam!    |
Oct 12 14:56:44.407 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:56:44.407 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:56:44.407 INFO kablam! 
Oct 12 14:56:44.444 INFO kablam! warning: function is never used: `max_min_difference`
Oct 12 14:56:44.444 INFO kablam!  --> src/day_two/mod.rs:5:1
Oct 12 14:56:44.444 INFO kablam!   |
Oct 12 14:56:44.444 INFO kablam! 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Oct 12 14:56:44.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:56:44.444 INFO kablam!   |
Oct 12 14:56:44.444 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 14:56:44.444 INFO kablam! 
Oct 12 14:56:44.444 INFO kablam! warning: field is never used: `value`
Oct 12 14:56:44.444 INFO kablam!  --> src/day_three/mod.rs:6:3
Oct 12 14:56:44.444 INFO kablam!   |
Oct 12 14:56:44.444 INFO kablam! 6 |   value: i32,
Oct 12 14:56:44.444 INFO kablam!   |   ^^^^^^^^^^
Oct 12 14:56:44.444 INFO kablam! 
Oct 12 14:56:44.455 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:56:44.456 INFO kablam!   --> src/util/mod.rs:11:3
Oct 12 14:56:44.456 INFO kablam!    |
Oct 12 14:56:44.456 INFO kablam! 11 |   reader.read_to_string(&mut buffer);
Oct 12 14:56:44.456 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:56:44.456 INFO kablam!    |
Oct 12 14:56:44.456 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:56:44.456 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:56:44.456 INFO kablam! 
Oct 12 14:56:44.475 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Oct 12 14:56:44.478 INFO kablam! su: No module specific data is present
Oct 12 14:56:44.726 INFO running `"docker" "rm" "-f" "02231c8b6050b93cef22c798915c8015923951d17e7a01358eb6d10ac8acd212"`
Oct 12 14:56:44.828 INFO blam! 02231c8b6050b93cef22c798915c8015923951d17e7a01358eb6d10ac8acd212