Dec 19 15:11:33.549 INFO checking jimblandy/advent-of-code-2018 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:11:33.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:11:33.895 INFO [stdout] 8635cafb90900e8abfbc114c4f4756a6cc24274e362898bb029ab0b1d6754c5c
Dec 19 15:11:33.895 INFO running `"docker" "start" "-a" "8635cafb90900e8abfbc114c4f4756a6cc24274e362898bb029ab0b1d6754c5c"`
Dec 19 15:11:35.037 INFO [stderr]    Compiling matrixmultiply v0.1.15
Dec 19 15:11:35.037 INFO [stderr]    Compiling num-complex v0.2.1
Dec 19 15:11:35.038 INFO [stderr]    Compiling ndarray v0.12.1
Dec 19 15:11:35.038 INFO [stderr]     Checking itertools v0.7.11
Dec 19 15:11:45.375 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 19 15:11:46.748 INFO [stderr] warning: unused variable: `root`
Dec 19 15:11:46.749 INFO [stderr]    --> src/bin/day-08.rs:105:9
Dec 19 15:11:46.749 INFO [stderr]     |
Dec 19 15:11:46.749 INFO [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
Dec 19 15:11:46.750 INFO [stderr]     |         ^^^^ help: consider using `_root` instead
Dec 19 15:11:46.750 INFO [stderr]     |
Dec 19 15:11:46.750 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:11:46.751 INFO [stderr] 
Dec 19 15:11:46.991 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:46.991 INFO [stderr]   --> src/bin/day-06.rs:31:17
Dec 19 15:11:46.991 INFO [stderr]    |
Dec 19 15:11:46.991 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:46.991 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:46.991 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:46.991 INFO [stderr]    |                 ^^^ unreachable pattern
Dec 19 15:11:46.992 INFO [stderr]    |
Dec 19 15:11:46.992 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:11:46.992 INFO [stderr] 
Dec 19 15:11:46.992 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:46.992 INFO [stderr]   --> src/bin/day-06.rs:32:17
Dec 19 15:11:46.992 INFO [stderr]    |
Dec 19 15:11:46.992 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:46.992 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:46.992 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:46.992 INFO [stderr] 32 |                 n => (b'a' + (n as u8) % 26) as char
Dec 19 15:11:46.992 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:11:46.992 INFO [stderr] 
Dec 19 15:11:46.992 INFO [stderr] warning: unused variable: `NEW`
Dec 19 15:11:46.992 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:46.992 INFO [stderr]    |
Dec 19 15:11:46.992 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:46.992 INFO [stderr]    |                 ^^^ help: consider using `_NEW` instead
Dec 19 15:11:46.992 INFO [stderr]    |
Dec 19 15:11:46.992 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:11:46.992 INFO [stderr] 
Dec 19 15:11:47.088 INFO [stderr] warning: variable `NEW` should have a snake case name such as `new`
Dec 19 15:11:47.089 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:47.089 INFO [stderr]    |
Dec 19 15:11:47.089 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:47.089 INFO [stderr]    |                 ^^^
Dec 19 15:11:47.090 INFO [stderr]    |
Dec 19 15:11:47.090 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:11:47.090 INFO [stderr] 
Dec 19 15:11:48.408 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:48.409 INFO [stderr]   --> src/bin/day-06.rs:31:17
Dec 19 15:11:48.409 INFO [stderr]    |
Dec 19 15:11:48.409 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:48.410 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:48.410 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:48.410 INFO [stderr]    |                 ^^^ unreachable pattern
Dec 19 15:11:48.411 INFO [stderr]    |
Dec 19 15:11:48.411 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:11:48.411 INFO [stderr] 
Dec 19 15:11:48.411 INFO [stderr] warning: unreachable pattern
Dec 19 15:11:48.412 INFO [stderr]   --> src/bin/day-06.rs:32:17
Dec 19 15:11:48.412 INFO [stderr]    |
Dec 19 15:11:48.412 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:48.413 INFO [stderr]    |                 --- matches any value
Dec 19 15:11:48.413 INFO [stderr] 31 |                 TIE => '.',
Dec 19 15:11:48.413 INFO [stderr] 32 |                 n => (b'a' + (n as u8) % 26) as char
Dec 19 15:11:48.413 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:11:48.413 INFO [stderr] 
Dec 19 15:11:48.413 INFO [stderr] warning: unused variable: `NEW`
Dec 19 15:11:48.413 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:48.413 INFO [stderr]    |
Dec 19 15:11:48.413 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:48.413 INFO [stderr]    |                 ^^^ help: consider using `_NEW` instead
Dec 19 15:11:48.413 INFO [stderr]    |
Dec 19 15:11:48.413 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:11:48.413 INFO [stderr] 
Dec 19 15:11:48.564 INFO [stderr] warning: variable `NEW` should have a snake case name such as `new`
Dec 19 15:11:48.564 INFO [stderr]   --> src/bin/day-06.rs:30:17
Dec 19 15:11:48.564 INFO [stderr]    |
Dec 19 15:11:48.564 INFO [stderr] 30 |                 NEW => '*',
Dec 19 15:11:48.564 INFO [stderr]    |                 ^^^
Dec 19 15:11:48.580 INFO [stderr]    |
Dec 19 15:11:48.581 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 15:11:48.581 INFO [stderr] 
Dec 19 15:11:48.631 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 15:11:48.631 INFO [stderr]   --> src/bin/day-07.rs:33:5
Dec 19 15:11:48.631 INFO [stderr]    |
Dec 19 15:11:48.632 INFO [stderr] 33 |     fn is_empty(&self) -> bool {
Dec 19 15:11:48.632 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:48.632 INFO [stderr]    |
Dec 19 15:11:48.632 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:48.633 INFO [stderr] 
Dec 19 15:11:49.196 INFO [stderr] warning: unused variable: `root`
Dec 19 15:11:49.196 INFO [stderr]    --> src/bin/day-08.rs:105:9
Dec 19 15:11:49.196 INFO [stderr]     |
Dec 19 15:11:49.196 INFO [stderr] 105 |     let root = parse(&mut summer, &mut numbers.iter().cloned());
Dec 19 15:11:49.196 INFO [stderr]     |         ^^^^ help: consider using `_root` instead
Dec 19 15:11:49.196 INFO [stderr]     |
Dec 19 15:11:49.196 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:11:49.196 INFO [stderr] 
Dec 19 15:11:49.208 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 15:11:49.208 INFO [stderr]   --> src/bin/day-07.rs:33:5
Dec 19 15:11:49.208 INFO [stderr]    |
Dec 19 15:11:49.208 INFO [stderr] 33 |     fn is_empty(&self) -> bool {
Dec 19 15:11:49.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:11:49.208 INFO [stderr]    |
Dec 19 15:11:49.208 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:11:49.208 INFO [stderr] 
Dec 19 15:11:49.504 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
Dec 19 15:11:50.240 INFO running `"docker" "inspect" "8635cafb90900e8abfbc114c4f4756a6cc24274e362898bb029ab0b1d6754c5c"`
Dec 19 15:11:50.355 INFO running `"docker" "rm" "-f" "8635cafb90900e8abfbc114c4f4756a6cc24274e362898bb029ab0b1d6754c5c"`
Dec 19 15:11:50.533 INFO [stdout] 8635cafb90900e8abfbc114c4f4756a6cc24274e362898bb029ab0b1d6754c5c