Nov 29 19:38:43.234 INFO checking robertmaloney/advent2017 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 19:38:43.234 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 19:38:43.802 INFO [stdout] 3fb7f076754b38c08659559d7eeeff052e5d1c07980aa2a2e0b3a551bd7ef726
Nov 29 19:38:43.808 INFO running `"docker" "start" "-a" "3fb7f076754b38c08659559d7eeeff052e5d1c07980aa2a2e0b3a551bd7ef726"`
Nov 29 19:38:45.049 INFO [stderr] usermod: no changes
Nov 29 19:38:45.106 INFO [stderr]     Checking advent2017 v0.1.0 (/source)
Nov 29 19:38:45.492 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 29 19:38:45.492 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 29 19:38:45.492 INFO [stderr]   |
Nov 29 19:38:45.492 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 29 19:38:45.492 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:38:45.492 INFO [stderr]   |
Nov 29 19:38:45.492 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 19:38:45.492 INFO [stderr] 
Nov 29 19:38:45.492 INFO [stderr] warning: field is never used: `value`
Nov 29 19:38:45.492 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 29 19:38:45.492 INFO [stderr]   |
Nov 29 19:38:45.492 INFO [stderr] 6 |   value: i32,
Nov 29 19:38:45.492 INFO [stderr]   |   ^^^^^^^^^^
Nov 29 19:38:45.492 INFO [stderr] 
Nov 29 19:38:45.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 19:38:45.509 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 29 19:38:45.509 INFO [stderr]    |
Nov 29 19:38:45.509 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 29 19:38:45.509 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:38:45.509 INFO [stderr]    |
Nov 29 19:38:45.509 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 19:38:45.509 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 19:38:45.509 INFO [stderr] 
Nov 29 19:38:45.556 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 29 19:38:45.556 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 29 19:38:45.556 INFO [stderr]   |
Nov 29 19:38:45.556 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 29 19:38:45.556 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:38:45.556 INFO [stderr]   |
Nov 29 19:38:45.556 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 19:38:45.556 INFO [stderr] 
Nov 29 19:38:45.556 INFO [stderr] warning: field is never used: `value`
Nov 29 19:38:45.556 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 29 19:38:45.556 INFO [stderr]   |
Nov 29 19:38:45.556 INFO [stderr] 6 |   value: i32,
Nov 29 19:38:45.556 INFO [stderr]   |   ^^^^^^^^^^
Nov 29 19:38:45.556 INFO [stderr] 
Nov 29 19:38:45.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 19:38:45.568 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 29 19:38:45.568 INFO [stderr]    |
Nov 29 19:38:45.568 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 29 19:38:45.568 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 19:38:45.568 INFO [stderr]    |
Nov 29 19:38:45.568 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 19:38:45.568 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 19:38:45.568 INFO [stderr] 
Nov 29 19:38:45.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Nov 29 19:38:45.600 INFO [stderr] su: No module specific data is present
Nov 29 19:38:46.090 INFO running `"docker" "inspect" "3fb7f076754b38c08659559d7eeeff052e5d1c07980aa2a2e0b3a551bd7ef726"`
Nov 29 19:38:46.446 INFO running `"docker" "rm" "-f" "3fb7f076754b38c08659559d7eeeff052e5d1c07980aa2a2e0b3a551bd7ef726"`
Nov 29 19:38:46.752 INFO [stdout] 3fb7f076754b38c08659559d7eeeff052e5d1c07980aa2a2e0b3a551bd7ef726