Dec 18 06:05:45.131 INFO checking Olson3R/advent-of-code-2018-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:05:45.131 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Olson3R/advent-of-code-2018-rust:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:05:45.588 INFO [stdout] 6b974edb2492e3bdfe80c1a84de06667f46fdecb41742a50c35e8ec764b095bf
Dec 18 06:05:45.588 INFO running `"docker" "start" "-a" "6b974edb2492e3bdfe80c1a84de06667f46fdecb41742a50c35e8ec764b095bf"`
Dec 18 06:05:47.580 INFO [stderr]     Checking target v1.0.0
Dec 18 06:05:47.584 INFO [stderr]     Checking pad v0.1.5
Dec 18 06:05:47.584 INFO [stderr]     Checking itertools v0.7.11
Dec 18 06:05:47.588 INFO [stderr]     Checking semver v0.9.0
Dec 18 06:05:47.588 INFO [stderr]     Checking term_size v0.3.1
Dec 18 06:05:47.588 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 18 06:05:47.588 INFO [stderr]     Checking tempdir v0.3.7
Dec 18 06:05:47.588 INFO [stderr]     Checking ctrlc v3.1.1
Dec 18 06:05:48.880 INFO [stderr]     Checking combine v3.6.3
Dec 18 06:05:48.931 INFO [stderr]     Checking env_proxy v0.2.0
Dec 18 06:05:49.248 INFO [stderr]     Checking error-chain v0.12.0
Dec 18 06:05:49.814 INFO [stderr]     Checking textwrap v0.10.0
Dec 18 06:05:50.195 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 06:05:50.368 INFO [stderr]     Checking advent-of-code-2018-rust v0.1.0 (/opt/crater/workdir)
Dec 18 06:05:50.609 INFO [stderr]     Checking docopt v1.0.2
Dec 18 06:05:52.080 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:05:52.080 INFO [stderr]   --> src/util.rs:14:13
Dec 18 06:05:52.080 INFO [stderr]    |
Dec 18 06:05:52.080 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 18 06:05:52.080 INFO [stderr]    |             ----^^
Dec 18 06:05:52.080 INFO [stderr]    |             |
Dec 18 06:05:52.080 INFO [stderr]    |             help: remove this `mut`
Dec 18 06:05:52.080 INFO [stderr]    |
Dec 18 06:05:52.080 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 06:05:52.080 INFO [stderr] 
Dec 18 06:05:52.688 INFO [stderr]     Checking brev v0.1.14
Dec 18 06:05:52.728 INFO [stderr]     Checking clap v2.32.0
Dec 18 06:05:52.728 INFO [stderr]     Checking failure v0.1.3
Dec 18 06:05:55.694 INFO [stderr]     Checking cargo_metadata v0.6.3
Dec 18 06:05:56.344 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:05:56.344 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 18 06:05:56.344 INFO [stderr]   |
Dec 18 06:05:56.345 INFO [stderr] 1 | #[macro_use]
Dec 18 06:05:56.345 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:05:56.345 INFO [stderr]   |
Dec 18 06:05:56.345 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:05:56.345 INFO [stderr] 
Dec 18 06:05:56.345 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 06:05:56.346 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 18 06:05:56.346 INFO [stderr]    |
Dec 18 06:05:56.346 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 18 06:05:56.346 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 06:05:56.346 INFO [stderr]    |
Dec 18 06:05:56.346 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 06:05:56.346 INFO [stderr] 
Dec 18 06:05:56.504 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:05:56.504 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 18 06:05:56.504 INFO [stderr]   |
Dec 18 06:05:56.504 INFO [stderr] 1 | #[macro_use]
Dec 18 06:05:56.505 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:05:56.505 INFO [stderr]   |
Dec 18 06:05:56.505 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:05:56.505 INFO [stderr] 
Dec 18 06:05:56.505 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 06:05:56.505 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 18 06:05:56.505 INFO [stderr]    |
Dec 18 06:05:56.505 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 18 06:05:56.505 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 06:05:56.505 INFO [stderr]    |
Dec 18 06:05:56.505 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 06:05:56.505 INFO [stderr] 
Dec 18 06:05:56.622 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 18 06:05:56.668 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 18 06:05:57.137 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 18 06:05:57.468 INFO [stderr]    Compiling rand v0.6.1
Dec 18 06:06:00.130 INFO [stderr]     Checking dotenv v0.13.0
Dec 18 06:06:03.628 INFO [stderr]     Checking parking_lot v0.6.4
Dec 18 06:06:05.481 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 18 06:06:08.489 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 18 06:06:08.489 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 18 06:06:08.489 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 18 06:06:08.740 INFO [stderr]     Checking tokio-threadpool v0.1.9
Dec 18 06:06:12.842 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 18 06:06:12.958 INFO [stderr]     Checking just v0.3.13
Dec 18 06:06:14.272 INFO [stderr]     Checking tokio v0.1.13
Dec 18 06:06:17.084 INFO [stderr]     Checking hyper v0.12.16
Dec 18 06:06:22.728 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 18 06:06:24.378 INFO [stderr]     Checking reqwest v0.9.5
Dec 18 06:06:31.836 INFO [stderr]     Checking toml_edit v0.1.3
Dec 18 06:06:40.809 INFO [stderr]     Checking cargo-edit v0.3.1
Dec 18 06:06:45.934 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:06:45.934 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 18 06:06:45.934 INFO [stderr]   |
Dec 18 06:06:45.934 INFO [stderr] 1 | #[macro_use]
Dec 18 06:06:45.935 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:06:45.935 INFO [stderr]   |
Dec 18 06:06:45.935 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:06:45.936 INFO [stderr] 
Dec 18 06:06:45.936 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 06:06:45.936 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 18 06:06:45.936 INFO [stderr]    |
Dec 18 06:06:45.936 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 18 06:06:45.936 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 06:06:45.936 INFO [stderr]    |
Dec 18 06:06:45.936 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 06:06:45.937 INFO [stderr] 
Dec 18 06:06:45.956 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:06:45.957 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 18 06:06:45.957 INFO [stderr]   |
Dec 18 06:06:45.957 INFO [stderr] 1 | #[macro_use]
Dec 18 06:06:45.957 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:06:45.976 INFO [stderr]   |
Dec 18 06:06:45.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:06:45.977 INFO [stderr] 
Dec 18 06:06:45.977 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 06:06:45.977 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 18 06:06:45.977 INFO [stderr]    |
Dec 18 06:06:45.977 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 18 06:06:45.977 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 06:06:45.977 INFO [stderr]    |
Dec 18 06:06:45.977 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 06:06:45.977 INFO [stderr] 
Dec 18 06:06:46.166 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:06:46.166 INFO [stderr]   --> src/util.rs:14:13
Dec 18 06:06:46.166 INFO [stderr]    |
Dec 18 06:06:46.166 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 18 06:06:46.166 INFO [stderr]    |             ----^^
Dec 18 06:06:46.166 INFO [stderr]    |             |
Dec 18 06:06:46.166 INFO [stderr]    |             help: remove this `mut`
Dec 18 06:06:46.175 INFO [stderr]    |
Dec 18 06:06:46.175 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 06:06:46.175 INFO [stderr] 
Dec 18 06:06:46.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.83s
Dec 18 06:06:48.489 INFO running `"docker" "inspect" "6b974edb2492e3bdfe80c1a84de06667f46fdecb41742a50c35e8ec764b095bf"`
Dec 18 06:06:48.808 INFO running `"docker" "rm" "-f" "6b974edb2492e3bdfe80c1a84de06667f46fdecb41742a50c35e8ec764b095bf"`
Dec 18 06:06:49.184 INFO [stdout] 6b974edb2492e3bdfe80c1a84de06667f46fdecb41742a50c35e8ec764b095bf