Dec 19 15:11:33.607 INFO checking jimblandy/advent-of-code-2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:11:33.607 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jimblandy/advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:11:33.943 INFO [stdout] 02c02ad9de2edca1e25998d30c817856620eb9a6e67da9be4965a37721a1c217
Dec 19 15:11:33.950 INFO running `"docker" "start" "-a" "02c02ad9de2edca1e25998d30c817856620eb9a6e67da9be4965a37721a1c217"`
Dec 19 15:11:35.252 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 19 15:11:36.244 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:36.244 INFO [stderr]   --> src/bin/day-06.rs:31:17
Dec 19 15:11:36.244 INFO [stderr]    |
Dec 19 15:11:36.244 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:36.244 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:36.244 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:36.244 INFO [stderr]    |                 ^^^ unreachable pattern
Dec 19 15:11:36.244 INFO [stderr]    |
Dec 19 15:11:36.244 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:11:36.244 INFO [stderr] 
Dec 19 15:11:36.244 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:36.244 INFO [stderr]   --> src/bin/day-06.rs:32:17
Dec 19 15:11:36.244 INFO [stderr]    |
Dec 19 15:11:36.244 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:36.244 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:36.244 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:36.244 INFO [stderr] 32 |                 n => (b'a' + (n as u8) % 26) as char
Dec 19 15:11:36.244 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:11:36.245 INFO [stderr] 
Dec 19 15:11:36.245 INFO [stderr] warning: unused variable: `NEW`
Dec 19 15:11:36.245 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:36.245 INFO [stderr]    |
Dec 19 15:11:36.245 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:36.245 INFO [stderr]    |                 ^^^ help: consider using `_NEW` instead
Dec 19 15:11:36.245 INFO [stderr]    |
Dec 19 15:11:36.245 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:11:36.245 INFO [stderr] 
Dec 19 15:11:36.303 INFO [stderr] warning: variable `NEW` should have a snake case name such as `new`
Dec 19 15:11:36.303 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:36.303 INFO [stderr]    |
Dec 19 15:11:36.303 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:36.304 INFO [stderr]    |                 ^^^
Dec 19 15:11:36.304 INFO [stderr]    |
Dec 19 15:11:36.304 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:11:36.304 INFO [stderr] 
Dec 19 15:11:37.066 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 15:11:37.066 INFO [stderr]   --> src/bin/day-07.rs:33:5
Dec 19 15:11:37.066 INFO [stderr]    |
Dec 19 15:11:37.066 INFO [stderr] 33 |     fn is_empty(&self) -> bool {
Dec 19 15:11:37.066 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:37.066 INFO [stderr]    |
Dec 19 15:11:37.066 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:37.066 INFO [stderr] 
Dec 19 15:11:37.245 INFO [stderr] warning: unused variable: `root`
Dec 19 15:11:37.245 INFO [stderr]    --> src/bin/day-08.rs:105:9
Dec 19 15:11:37.245 INFO [stderr]     |
Dec 19 15:11:37.245 INFO [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
Dec 19 15:11:37.245 INFO [stderr]     |         ^^^^ help: consider using `_root` instead
Dec 19 15:11:37.245 INFO [stderr]     |
Dec 19 15:11:37.245 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:11:37.245 INFO [stderr] 
Dec 19 15:11:37.704 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:37.704 INFO [stderr]   --> src/bin/day-06.rs:31:17
Dec 19 15:11:37.704 INFO [stderr]    |
Dec 19 15:11:37.704 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:37.704 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:37.704 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:37.704 INFO [stderr]    |                 ^^^ unreachable pattern
Dec 19 15:11:37.704 INFO [stderr]    |
Dec 19 15:11:37.704 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:11:37.704 INFO [stderr] 
Dec 19 15:11:37.704 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:37.704 INFO [stderr]   --> src/bin/day-06.rs:32:17
Dec 19 15:11:37.704 INFO [stderr]    |
Dec 19 15:11:37.704 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:37.704 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:37.704 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:37.704 INFO [stderr] 32 |                 n => (b'a' + (n as u8) % 26) as char
Dec 19 15:11:37.704 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:11:37.704 INFO [stderr] 
Dec 19 15:11:37.704 INFO [stderr] warning: unused variable: `NEW`
Dec 19 15:11:37.704 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:37.704 INFO [stderr]    |
Dec 19 15:11:37.704 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:37.704 INFO [stderr]    |                 ^^^ help: consider using `_NEW` instead
Dec 19 15:11:37.704 INFO [stderr]    |
Dec 19 15:11:37.704 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:11:37.704 INFO [stderr] 
Dec 19 15:11:37.732 INFO [stderr] warning: variable `NEW` should have a snake case name such as `new`
Dec 19 15:11:37.732 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:37.732 INFO [stderr]    |
Dec 19 15:11:37.732 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:37.732 INFO [stderr]    |                 ^^^
Dec 19 15:11:37.732 INFO [stderr]    |
Dec 19 15:11:37.732 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:11:37.732 INFO [stderr] 
Dec 19 15:11:37.788 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 15:11:37.788 INFO [stderr]   --> src/bin/day-07.rs:33:5
Dec 19 15:11:37.788 INFO [stderr]    |
Dec 19 15:11:37.788 INFO [stderr] 33 |     fn is_empty(&self) -> bool {
Dec 19 15:11:37.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:37.800 INFO [stderr]    |
Dec 19 15:11:37.800 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:37.800 INFO [stderr] 
Dec 19 15:11:37.933 INFO [stderr] warning: unused variable: `root`
Dec 19 15:11:37.934 INFO [stderr]    --> src/bin/day-08.rs:105:9
Dec 19 15:11:37.934 INFO [stderr]     |
Dec 19 15:11:37.934 INFO [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
Dec 19 15:11:37.934 INFO [stderr]     |         ^^^^ help: consider using `_root` instead
Dec 19 15:11:37.934 INFO [stderr]     |
Dec 19 15:11:37.934 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:11:37.934 INFO [stderr] 
Dec 19 15:11:37.962 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Dec 19 15:11:38.261 INFO running `"docker" "inspect" "02c02ad9de2edca1e25998d30c817856620eb9a6e67da9be4965a37721a1c217"`
Dec 19 15:11:38.346 INFO running `"docker" "rm" "-f" "02c02ad9de2edca1e25998d30c817856620eb9a6e67da9be4965a37721a1c217"`
Dec 19 15:11:38.504 INFO [stdout] 02c02ad9de2edca1e25998d30c817856620eb9a6e67da9be4965a37721a1c217