Nov 16 15:35:06.805 INFO testing robertmaloney/advent2017 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 15:35:06.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 15:35:07.265 INFO [stdout] 42c3a8ffc4763daae2cfcae7f491781fad2c991a96e3f9d9c068c06c48e134d3
Nov 16 15:35:07.269 INFO running `"docker" "start" "-a" "42c3a8ffc4763daae2cfcae7f491781fad2c991a96e3f9d9c068c06c48e134d3"`
Nov 16 15:35:08.059 INFO [stderr] usermod: no changes
Nov 16 15:35:08.095 INFO [stderr]    Compiling advent2017 v0.1.0 (/source)
Nov 16 15:35:08.366 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 16 15:35:08.367 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 16 15:35:08.367 INFO [stderr]   |
Nov 16 15:35:08.367 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 16 15:35:08.367 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 15:35:08.367 INFO [stderr]   |
Nov 16 15:35:08.367 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 15:35:08.367 INFO [stderr] 
Nov 16 15:35:08.375 INFO [stderr] warning: field is never used: `value`
Nov 16 15:35:08.375 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 16 15:35:08.375 INFO [stderr]   |
Nov 16 15:35:08.375 INFO [stderr] 6 |   value: i32,
Nov 16 15:35:08.375 INFO [stderr]   |   ^^^^^^^^^^
Nov 16 15:35:08.375 INFO [stderr] 
Nov 16 15:35:08.375 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 15:35:08.375 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 16 15:35:08.375 INFO [stderr]    |
Nov 16 15:35:08.375 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 16 15:35:08.375 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 15:35:08.375 INFO [stderr]    |
Nov 16 15:35:08.375 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 15:35:08.375 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 15:35:08.375 INFO [stderr] 
Nov 16 15:35:08.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Nov 16 15:35:08.996 INFO [stderr] su: No module specific data is present
Nov 16 15:35:09.312 INFO running `"docker" "inspect" "42c3a8ffc4763daae2cfcae7f491781fad2c991a96e3f9d9c068c06c48e134d3"`
Nov 16 15:35:09.436 INFO running `"docker" "rm" "-f" "42c3a8ffc4763daae2cfcae7f491781fad2c991a96e3f9d9c068c06c48e134d3"`
Nov 16 15:35:09.617 INFO [stdout] 42c3a8ffc4763daae2cfcae7f491781fad2c991a96e3f9d9c068c06c48e134d3
Nov 16 15:35:09.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 15:35:09.897 INFO [stdout] 643cc101ffdb0cd814bff25773f341a7629f4d15c40930e3b0aaba5e8350ed46
Nov 16 15:35:09.906 INFO running `"docker" "start" "-a" "643cc101ffdb0cd814bff25773f341a7629f4d15c40930e3b0aaba5e8350ed46"`
Nov 16 15:35:11.009 INFO [stderr] usermod: no changes
Nov 16 15:35:11.057 INFO [stderr]    Compiling advent2017 v0.1.0 (/source)
Nov 16 15:35:11.423 INFO [stderr] warning: function is never used: `max_min_difference`
Nov 16 15:35:11.424 INFO [stderr]  --> src/day_two/mod.rs:5:1
Nov 16 15:35:11.424 INFO [stderr]   |
Nov 16 15:35:11.424 INFO [stderr] 5 | fn max_min_difference<T: Iterator<Item=u32>>(iter: T) -> u32 {
Nov 16 15:35:11.424 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 15:35:11.425 INFO [stderr]   |
Nov 16 15:35:11.425 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 15:35:11.425 INFO [stderr] 
Nov 16 15:35:11.426 INFO [stderr] warning: field is never used: `value`
Nov 16 15:35:11.426 INFO [stderr]  --> src/day_three/mod.rs:6:3
Nov 16 15:35:11.426 INFO [stderr]   |
Nov 16 15:35:11.427 INFO [stderr] 6 |   value: i32,
Nov 16 15:35:11.427 INFO [stderr]   |   ^^^^^^^^^^
Nov 16 15:35:11.427 INFO [stderr] 
Nov 16 15:35:11.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 15:35:11.428 INFO [stderr]   --> src/util/mod.rs:11:3
Nov 16 15:35:11.428 INFO [stderr]    |
Nov 16 15:35:11.429 INFO [stderr] 11 |   reader.read_to_string(&mut buffer);
Nov 16 15:35:11.429 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 15:35:11.429 INFO [stderr]    |
Nov 16 15:35:11.430 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 15:35:11.430 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 15:35:11.430 INFO [stderr] 
Nov 16 15:35:11.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 16 15:35:11.786 INFO [stderr] su: No module specific data is present
Nov 16 15:35:12.334 INFO running `"docker" "inspect" "643cc101ffdb0cd814bff25773f341a7629f4d15c40930e3b0aaba5e8350ed46"`
Nov 16 15:35:12.517 INFO running `"docker" "rm" "-f" "643cc101ffdb0cd814bff25773f341a7629f4d15c40930e3b0aaba5e8350ed46"`
Nov 16 15:35:12.783 INFO [stdout] 643cc101ffdb0cd814bff25773f341a7629f4d15c40930e3b0aaba5e8350ed46
Nov 16 15:35:12.788 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 15:35:13.249 INFO [stdout] 1b30f3610b62d453a1dcfc55eea92531672736decc58253644d451c012d8c7d7
Nov 16 15:35:13.253 INFO running `"docker" "start" "-a" "1b30f3610b62d453a1dcfc55eea92531672736decc58253644d451c012d8c7d7"`
Nov 16 15:35:14.303 INFO [stderr] usermod: no changes
Nov 16 15:35:14.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 15:35:14.359 INFO [stderr]      Running /target/debug/deps/advent2017-58559106701cbb3d
Nov 16 15:35:14.359 INFO [stdout] 
Nov 16 15:35:14.360 INFO [stdout] running 0 tests
Nov 16 15:35:14.360 INFO [stdout] 
Nov 16 15:35:14.360 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 15:35:14.360 INFO [stdout] 
Nov 16 15:35:14.371 INFO [stderr] su: No module specific data is present
Nov 16 15:35:14.997 INFO running `"docker" "inspect" "1b30f3610b62d453a1dcfc55eea92531672736decc58253644d451c012d8c7d7"`
Nov 16 15:35:15.275 INFO running `"docker" "rm" "-f" "1b30f3610b62d453a1dcfc55eea92531672736decc58253644d451c012d8c7d7"`
Nov 16 15:35:15.629 INFO [stdout] 1b30f3610b62d453a1dcfc55eea92531672736decc58253644d451c012d8c7d7