Dec 12 01:04:30.610 INFO checking Olson3R/advent-of-code-2018-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:04:30.610 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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"`
Dec 12 01:04:31.124 INFO [stdout] c36f633b743e19b7fe906f28e05377135249a39a8307abc555415d70fce9ebc8
Dec 12 01:04:31.132 INFO running `"docker" "start" "-a" "c36f633b743e19b7fe906f28e05377135249a39a8307abc555415d70fce9ebc8"`
Dec 12 01:04:32.203 INFO [stderr] usermod: no changes
Dec 12 01:04:32.792 INFO [stderr]     Checking target v1.0.0
Dec 12 01:04:32.824 INFO [stderr]     Checking semver v0.9.0
Dec 12 01:04:32.824 INFO [stderr]     Checking term_size v0.3.1
Dec 12 01:04:32.824 INFO [stderr]     Checking ctrlc v3.1.1
Dec 12 01:04:32.824 INFO [stderr]     Checking env_proxy v0.2.0
Dec 12 01:04:32.824 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 12 01:04:32.824 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 12 01:04:32.824 INFO [stderr]    Compiling rand v0.6.1
Dec 12 01:04:34.468 INFO [stderr]     Checking brev v0.1.14
Dec 12 01:04:34.963 INFO [stderr]     Checking toml_edit v0.1.3
Dec 12 01:04:36.448 INFO [stderr]     Checking textwrap v0.10.0
Dec 12 01:04:36.854 INFO [stderr]     Checking advent-of-code-2018-rust v0.1.0 (/source)
Dec 12 01:04:37.088 INFO [stderr]     Checking docopt v1.0.2
Dec 12 01:04:37.348 INFO [stderr]     Checking parking_lot_core v0.3.1
Dec 12 01:04:37.980 INFO [stderr]     Checking cargo_metadata v0.6.3
Dec 12 01:04:39.012 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:04:39.012 INFO [stderr]   --> src/util.rs:14:13
Dec 12 01:04:39.012 INFO [stderr]    |
Dec 12 01:04:39.012 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 12 01:04:39.012 INFO [stderr]    |             ----^^
Dec 12 01:04:39.012 INFO [stderr]    |             |
Dec 12 01:04:39.012 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:04:39.024 INFO [stderr]    |
Dec 12 01:04:39.024 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 01:04:39.024 INFO [stderr] 
Dec 12 01:04:39.200 INFO [stderr]     Checking dotenv v0.13.0
Dec 12 01:04:39.829 INFO [stderr]     Checking clap v2.32.0
Dec 12 01:04:44.616 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 01:04:44.616 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 12 01:04:44.616 INFO [stderr]   |
Dec 12 01:04:44.616 INFO [stderr] 1 | #[macro_use]
Dec 12 01:04:44.616 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 01:04:44.640 INFO [stderr]   |
Dec 12 01:04:44.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:04:44.640 INFO [stderr] 
Dec 12 01:04:44.640 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 01:04:44.640 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 12 01:04:44.640 INFO [stderr]    |
Dec 12 01:04:44.640 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 12 01:04:44.641 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:04:44.641 INFO [stderr]    |
Dec 12 01:04:44.641 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:04:44.641 INFO [stderr] 
Dec 12 01:04:46.668 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 01:04:46.668 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 12 01:04:46.668 INFO [stderr]   |
Dec 12 01:04:46.668 INFO [stderr] 1 | #[macro_use]
Dec 12 01:04:46.668 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 01:04:46.696 INFO [stderr]   |
Dec 12 01:04:46.696 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:04:46.696 INFO [stderr] 
Dec 12 01:04:46.696 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 01:04:46.696 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 12 01:04:46.696 INFO [stderr]    |
Dec 12 01:04:46.696 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 12 01:04:46.696 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:04:46.696 INFO [stderr]    |
Dec 12 01:04:46.696 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:04:46.696 INFO [stderr] 
Dec 12 01:04:47.931 INFO [stderr]     Checking parking_lot v0.6.4
Dec 12 01:04:52.248 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 12 01:04:56.269 INFO [stderr]     Checking tokio-threadpool v0.1.9
Dec 12 01:04:58.384 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 12 01:04:58.384 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 12 01:04:58.384 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 12 01:05:00.338 INFO [stderr]     Checking just v0.3.13
Dec 12 01:05:03.188 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 12 01:05:06.523 INFO [stderr]     Checking tokio v0.1.13
Dec 12 01:05:09.192 INFO [stderr]     Checking hyper v0.12.16
Dec 12 01:05:15.936 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 12 01:05:19.892 INFO [stderr]     Checking reqwest v0.9.5
Dec 12 01:05:25.224 INFO [stderr]     Checking cargo-edit v0.3.1
Dec 12 01:05:35.430 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 01:05:35.430 INFO [stderr]  --> src/bin/d05-part1.rs:1:1
Dec 12 01:05:35.430 INFO [stderr]   |
Dec 12 01:05:35.430 INFO [stderr] 1 | #[macro_use]
Dec 12 01:05:35.430 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 01:05:35.430 INFO [stderr]   |
Dec 12 01:05:35.430 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:05:35.430 INFO [stderr] 
Dec 12 01:05:35.430 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 01:05:35.430 INFO [stderr]   --> src/bin/d05-part1.rs:13:18
Dec 12 01:05:35.430 INFO [stderr]    |
Dec 12 01:05:35.430 INFO [stderr] 13 |         for b in (b'a'..=b'z') {
Dec 12 01:05:35.430 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:05:35.430 INFO [stderr]    |
Dec 12 01:05:35.430 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:05:35.430 INFO [stderr] 
Dec 12 01:05:35.536 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 01:05:35.536 INFO [stderr]  --> src/bin/d05-part2.rs:1:1
Dec 12 01:05:35.536 INFO [stderr]   |
Dec 12 01:05:35.536 INFO [stderr] 1 | #[macro_use]
Dec 12 01:05:35.536 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 01:05:35.536 INFO [stderr]   |
Dec 12 01:05:35.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:05:35.536 INFO [stderr] 
Dec 12 01:05:35.536 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 12 01:05:35.536 INFO [stderr]   --> src/bin/d05-part2.rs:20:26
Dec 12 01:05:35.536 INFO [stderr]    |
Dec 12 01:05:35.536 INFO [stderr] 20 |                 for b in (b'a'..=b'z') {
Dec 12 01:05:35.536 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:05:35.536 INFO [stderr]    |
Dec 12 01:05:35.536 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:05:35.536 INFO [stderr] 
Dec 12 01:05:35.762 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:05:35.762 INFO [stderr]   --> src/util.rs:14:13
Dec 12 01:05:35.762 INFO [stderr]    |
Dec 12 01:05:35.762 INFO [stderr] 14 |         let mut br = BufReader::new(&f);
Dec 12 01:05:35.762 INFO [stderr]    |             ----^^
Dec 12 01:05:35.762 INFO [stderr]    |             |
Dec 12 01:05:35.762 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:05:35.780 INFO [stderr]    |
Dec 12 01:05:35.780 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 01:05:35.780 INFO [stderr] 
Dec 12 01:05:37.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Dec 12 01:05:37.362 INFO [stderr] su: No module specific data is present
Dec 12 01:05:38.626 INFO running `"docker" "inspect" "c36f633b743e19b7fe906f28e05377135249a39a8307abc555415d70fce9ebc8"`
Dec 12 01:05:38.950 INFO running `"docker" "rm" "-f" "c36f633b743e19b7fe906f28e05377135249a39a8307abc555415d70fce9ebc8"`
Dec 12 01:05:39.332 INFO [stdout] c36f633b743e19b7fe906f28e05377135249a39a8307abc555415d70fce9ebc8