Nov 27 21:53:30.855 INFO checking robertmaloney/advent2017 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 21:53:30.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 21:53:31.096 INFO [stdout] f3f90a6a8875a584001d700add665fac4a4c75dd495fdd9804a471cc585a035d
Nov 27 21:53:31.101 INFO running `"docker" "start" "-a" "f3f90a6a8875a584001d700add665fac4a4c75dd495fdd9804a471cc585a035d"`
Nov 27 21:53:31.591 INFO [stderr] usermod: no changes
Nov 27 21:53:31.660 INFO [stderr]     Checking advent2017 v0.1.0 (/source)
Nov 27 21:53:31.996 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 27 21:53:31.996 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 27 21:53:31.996 INFO [stderr]   |
Nov 27 21:53:31.996 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 27 21:53:31.996 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:53:31.996 INFO [stderr]   |
Nov 27 21:53:31.996 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 21:53:31.996 INFO [stderr] 
Nov 27 21:53:31.996 INFO [stderr] warning: field is never used: `value`
Nov 27 21:53:31.996 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 27 21:53:31.996 INFO [stderr]   |
Nov 27 21:53:31.996 INFO [stderr] 6 |   value: i32,
Nov 27 21:53:31.996 INFO [stderr]   |   ^^^^^^^^^^
Nov 27 21:53:31.996 INFO [stderr] 
Nov 27 21:53:32.003 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:53:32.003 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 27 21:53:32.003 INFO [stderr]    |
Nov 27 21:53:32.003 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 27 21:53:32.003 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:53:32.003 INFO [stderr]    |
Nov 27 21:53:32.003 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 21:53:32.003 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:53:32.003 INFO [stderr] 
Nov 27 21:53:32.087 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 27 21:53:32.087 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 27 21:53:32.087 INFO [stderr]   |
Nov 27 21:53:32.087 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 27 21:53:32.087 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:53:32.087 INFO [stderr]   |
Nov 27 21:53:32.087 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 21:53:32.087 INFO [stderr] 
Nov 27 21:53:32.087 INFO [stderr] warning: field is never used: `value`
Nov 27 21:53:32.087 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 27 21:53:32.087 INFO [stderr]   |
Nov 27 21:53:32.087 INFO [stderr] 6 |   value: i32,
Nov 27 21:53:32.087 INFO [stderr]   |   ^^^^^^^^^^
Nov 27 21:53:32.088 INFO [stderr] 
Nov 27 21:53:32.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:53:32.098 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 27 21:53:32.098 INFO [stderr]    |
Nov 27 21:53:32.098 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 27 21:53:32.098 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:53:32.098 INFO [stderr]    |
Nov 27 21:53:32.098 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 21:53:32.098 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:53:32.098 INFO [stderr] 
Nov 27 21:53:32.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Nov 27 21:53:32.115 INFO [stderr] su: No module specific data is present
Nov 27 21:53:32.446 INFO running `"docker" "inspect" "f3f90a6a8875a584001d700add665fac4a4c75dd495fdd9804a471cc585a035d"`
Nov 27 21:53:32.565 INFO running `"docker" "rm" "-f" "f3f90a6a8875a584001d700add665fac4a4c75dd495fdd9804a471cc585a035d"`
Nov 27 21:53:32.705 INFO [stdout] f3f90a6a8875a584001d700add665fac4a4c75dd495fdd9804a471cc585a035d