[INFO] updating cached repository https://github.com/jakubtuchol/adventofcode2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b238b3b6a2eec7ce8c6939a6a0062e85430ae24
[INFO] testing jakubtuchol/adventofcode2018 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Fadventofcode2018" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubtuchol/adventofcode2018 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jakubtuchol/adventofcode2018
[INFO] finished tweaking git repo https://github.com/jakubtuchol/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/jakubtuchol/adventofcode2018 written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubtuchol/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b27cd4aa2ea578e4340fc7326cf4b55e3a6bcc9646e0db4280a9534fa970b1c4
[INFO] running `"docker" "start" "-a" "b27cd4aa2ea578e4340fc7326cf4b55e3a6bcc9646e0db4280a9534fa970b1c4"`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `last_event`
[INFO] [stderr]   --> src/day_four.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_last_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_event`
[INFO] [stderr]   --> src/day_four.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let new_event = parse_event(&line);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_new_event`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_four.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Begin`
[INFO] [stderr]  --> src/day_four.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Begin,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sleep`
[INFO] [stderr]  --> src/day_four.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Sleep,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wake`
[INFO] [stderr]  --> src/day_four.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Wake,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Event`
[INFO] [stderr]   --> src/day_four.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Event {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_date`
[INFO] [stderr]   --> src/day_four.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn get_date(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_event`
[INFO] [stderr]   --> src/day_four.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn parse_event(line: &str) -> (Event, Option<i32>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_minute_difference`
[INFO] [stderr]   --> src/day_four.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_vector_sum`
[INFO] [stderr]   --> src/day_four.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn get_vector_sum(one: Vec<i32>, two: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_most_minutes_asleep`
[INFO] [stderr]   --> src/day_four.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn calculate_most_minutes_asleep(lines: Vec<String>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `"docker" "inspect" "b27cd4aa2ea578e4340fc7326cf4b55e3a6bcc9646e0db4280a9534fa970b1c4"`
[INFO] running `"docker" "rm" "-f" "b27cd4aa2ea578e4340fc7326cf4b55e3a6bcc9646e0db4280a9534fa970b1c4"`
[INFO] [stdout] b27cd4aa2ea578e4340fc7326cf4b55e3a6bcc9646e0db4280a9534fa970b1c4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 924c9fe6adc86936cb7a1b7f3b3b485924f345a63ff0538f8f9c7a883010d2a4
[INFO] running `"docker" "start" "-a" "924c9fe6adc86936cb7a1b7f3b3b485924f345a63ff0538f8f9c7a883010d2a4"`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `last_event`
[INFO] [stderr]   --> src/day_four.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_last_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_event`
[INFO] [stderr]   --> src/day_four.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let new_event = parse_event(&line);
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_new_event`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_four.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mut last_event: Option<Event> = None;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_date`
[INFO] [stderr]   --> src/day_four.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn get_date(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_minute_difference`
[INFO] [stderr]   --> src/day_four.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn get_minute_difference(one: &Event, two: &Event) -> Vec<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_most_minutes_asleep`
[INFO] [stderr]   --> src/day_four.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn calculate_most_minutes_asleep(lines: Vec<String>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "924c9fe6adc86936cb7a1b7f3b3b485924f345a63ff0538f8f9c7a883010d2a4"`
[INFO] running `"docker" "rm" "-f" "924c9fe6adc86936cb7a1b7f3b3b485924f345a63ff0538f8f9c7a883010d2a4"`
[INFO] [stdout] 924c9fe6adc86936cb7a1b7f3b3b485924f345a63ff0538f8f9c7a883010d2a4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 3f923e04a2b1faf11c6a785766354b4c51b881e9cfde26893b95be8b283ca9c7
[INFO] running `"docker" "start" "-a" "3f923e04a2b1faf11c6a785766354b4c51b881e9cfde26893b95be8b283ca9c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adventofcode-64e6bed7e73995ff
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test day_four::tests::test_get_vector_sum ... ok
[INFO] [stdout] test day_one::tests::test_calculate_final_frequency ... ok
[INFO] [stdout] test day_three::tests::test_create_claim ... ok
[INFO] [stdout] test day_three::tests::test_get_claim_overlap ... ok
[INFO] [stdout] test day_one::tests::test_find_repeated_frequency ... ok
[INFO] [stdout] test day_three::tests::test_find_num_overlapping_spaces ... ok
[INFO] [stdout] test day_two::tests::test_find_matching_words ... ok
[INFO] [stdout] test day_two::tests::test_get_box_list_checksum ... ok
[INFO] [stdout] test day_two::tests::test_get_id_checksum ... ok
[INFO] [stdout] test day_four::tests::test_parse_event ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3f923e04a2b1faf11c6a785766354b4c51b881e9cfde26893b95be8b283ca9c7"`
[INFO] running `"docker" "rm" "-f" "3f923e04a2b1faf11c6a785766354b4c51b881e9cfde26893b95be8b283ca9c7"`
[INFO] [stdout] 3f923e04a2b1faf11c6a785766354b4c51b881e9cfde26893b95be8b283ca9c7