Dec 19 22:33:02.919 INFO checking Olson3R/advent-of-code-2018-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:33:02.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:33:03.460 INFO [stdout] 5042bd0e793680184b8d33031ccdf343271e4ca0d97023ed190b88d82b70f896
Dec 19 22:33:03.463 INFO running `"docker" "start" "-a" "5042bd0e793680184b8d33031ccdf343271e4ca0d97023ed190b88d82b70f896"`
Dec 19 22:33:05.560 INFO [stderr]     Checking ascii v0.9.1
Dec 19 22:33:05.564 INFO [stderr]     Checking assert_matches v1.3.0
Dec 19 22:33:05.564 INFO [stderr]     Checking target v1.0.0
Dec 19 22:33:05.568 INFO [stderr]     Checking itertools v0.7.11
Dec 19 22:33:05.576 INFO [stderr]     Checking term_size v0.3.1
Dec 19 22:33:05.576 INFO [stderr]     Checking ctrlc v3.1.1
Dec 19 22:33:05.576 INFO [stderr]     Checking env_proxy v0.2.0
Dec 19 22:33:05.576 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 19 22:33:07.004 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 19 22:33:07.140 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 19 22:33:07.400 INFO [stderr]    Compiling rand v0.6.1
Dec 19 22:33:07.629 INFO [stderr]     Checking brev v0.1.14
Dec 19 22:33:09.899 INFO [stderr]     Checking textwrap v0.10.0
Dec 19 22:33:10.357 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 22:33:10.821 INFO [stderr]     Checking advent-of-code-2018-rust v0.1.0 (/opt/crater/workdir)
Dec 19 22:33:11.200 INFO [stderr]     Checking docopt v1.0.2
Dec 19 22:33:11.608 INFO [stderr]     Checking cargo_metadata v0.6.3
Dec 19 22:33:11.906 INFO [stderr]     Checking combine v3.6.3
Dec 19 22:33:12.696 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:33:12.696 INFO [stderr]   --> src/util.rs:14:13
Dec 19 22:33:12.696 INFO [stderr]    |
Dec 19 22:33:12.696 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 19 22:33:12.696 INFO [stderr]    |             ----^^
Dec 19 22:33:12.696 INFO [stderr]    |             |
Dec 19 22:33:12.696 INFO [stderr]    |             help: remove this `mut`
Dec 19 22:33:12.696 INFO [stderr]    |
Dec 19 22:33:12.696 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:33:12.696 INFO [stderr] 
Dec 19 22:33:12.902 INFO [stderr]     Checking failure v0.1.3
Dec 19 22:33:14.980 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:33:14.980 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 19 22:33:14.980 INFO [stderr]   |
Dec 19 22:33:14.980 INFO [stderr] 1 | #[macro_use]
Dec 19 22:33:14.980 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:33:14.980 INFO [stderr]   |
Dec 19 22:33:14.980 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:33:14.980 INFO [stderr] 
Dec 19 22:33:14.980 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 22:33:14.980 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 19 22:33:14.980 INFO [stderr]    |
Dec 19 22:33:14.980 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 19 22:33:14.980 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 22:33:14.980 INFO [stderr]    |
Dec 19 22:33:14.980 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:33:14.980 INFO [stderr] 
Dec 19 22:33:15.592 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:33:15.592 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 19 22:33:15.592 INFO [stderr]   |
Dec 19 22:33:15.592 INFO [stderr] 1 | #[macro_use]
Dec 19 22:33:15.592 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:33:15.592 INFO [stderr]   |
Dec 19 22:33:15.592 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:33:15.592 INFO [stderr] 
Dec 19 22:33:15.592 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 22:33:15.592 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 19 22:33:15.592 INFO [stderr]    |
Dec 19 22:33:15.592 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 19 22:33:15.592 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 22:33:15.592 INFO [stderr]    |
Dec 19 22:33:15.592 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:33:15.592 INFO [stderr] 
Dec 19 22:33:16.244 INFO [stderr]     Checking clap v2.32.0
Dec 19 22:33:18.193 INFO [stderr]     Checking dotenv v0.13.0
Dec 19 22:33:22.551 INFO [stderr]     Checking parking_lot v0.6.4
Dec 19 22:33:24.804 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 19 22:33:26.893 INFO [stderr]     Checking tokio-threadpool v0.1.9
Dec 19 22:33:28.058 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 19 22:33:28.058 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 19 22:33:28.058 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 19 22:33:28.588 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 19 22:33:32.001 INFO [stderr]     Checking tokio v0.1.13
Dec 19 22:33:33.448 INFO [stderr]     Checking just v0.3.13
Dec 19 22:33:34.252 INFO [stderr]     Checking hyper v0.12.16
Dec 19 22:33:43.164 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 19 22:33:45.244 INFO [stderr]     Checking reqwest v0.9.5
Dec 19 22:33:53.039 INFO [stderr]     Checking toml_edit v0.1.3
Dec 19 22:34:06.258 INFO [stderr]     Checking cargo-edit v0.3.1
Dec 19 22:34:14.360 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:34:14.360 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 19 22:34:14.360 INFO [stderr]   |
Dec 19 22:34:14.360 INFO [stderr] 1 | #[macro_use]
Dec 19 22:34:14.360 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:34:14.360 INFO [stderr]   |
Dec 19 22:34:14.360 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:34:14.360 INFO [stderr] 
Dec 19 22:34:14.360 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 22:34:14.360 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 19 22:34:14.360 INFO [stderr]    |
Dec 19 22:34:14.360 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 19 22:34:14.360 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 22:34:14.360 INFO [stderr]    |
Dec 19 22:34:14.360 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:34:14.360 INFO [stderr] 
Dec 19 22:34:14.644 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:34:14.644 INFO [stderr]   --> src/util.rs:14:13
Dec 19 22:34:14.644 INFO [stderr]    |
Dec 19 22:34:14.644 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 19 22:34:14.644 INFO [stderr]    |             ----^^
Dec 19 22:34:14.644 INFO [stderr]    |             |
Dec 19 22:34:14.644 INFO [stderr]    |             help: remove this `mut`
Dec 19 22:34:14.644 INFO [stderr]    |
Dec 19 22:34:14.644 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:34:14.644 INFO [stderr] 
Dec 19 22:34:14.712 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 22:34:14.712 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 19 22:34:14.712 INFO [stderr]   |
Dec 19 22:34:14.712 INFO [stderr] 1 | #[macro_use]
Dec 19 22:34:14.712 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 22:34:14.712 INFO [stderr]   |
Dec 19 22:34:14.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:34:14.712 INFO [stderr] 
Dec 19 22:34:14.712 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 19 22:34:14.712 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 19 22:34:14.712 INFO [stderr]    |
Dec 19 22:34:14.712 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 19 22:34:14.712 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 22:34:14.712 INFO [stderr]    |
Dec 19 22:34:14.712 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 22:34:14.712 INFO [stderr] 
Dec 19 22:34:16.080 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
Dec 19 22:34:17.290 INFO running `"docker" "inspect" "5042bd0e793680184b8d33031ccdf343271e4ca0d97023ed190b88d82b70f896"`
Dec 19 22:34:17.684 INFO running `"docker" "rm" "-f" "5042bd0e793680184b8d33031ccdf343271e4ca0d97023ed190b88d82b70f896"`
Dec 19 22:34:17.908 INFO [stdout] 5042bd0e793680184b8d33031ccdf343271e4ca0d97023ed190b88d82b70f896