[INFO] updating cached repository https://github.com/ralexstokes/advent-of-code-2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 848f96d222733573f97e7bdeb9cea7036f2c3e20
[INFO] testing ralexstokes/advent-of-code-2018 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralexstokes%2Fadvent-of-code-2018" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralexstokes/advent-of-code-2018 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ralexstokes/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/ralexstokes/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/ralexstokes/advent-of-code-2018 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ralexstokes/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 05428a4c5f36c9a419ccf74b2181003407b540a5a942c0848df370c9437f5d89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "05428a4c5f36c9a419ccf74b2181003407b540a5a942c0848df370c9437f5d89"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `"docker" "inspect" "05428a4c5f36c9a419ccf74b2181003407b540a5a942c0848df370c9437f5d89"`
[INFO] running `"docker" "rm" "-f" "05428a4c5f36c9a419ccf74b2181003407b540a5a942c0848df370c9437f5d89"`
[INFO] [stdout] 05428a4c5f36c9a419ccf74b2181003407b540a5a942c0848df370c9437f5d89
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe7ca69ce29c96bf929b416325fa4ae0aacffdd20cb0e8d7eca9edf6ce57aa60
[INFO] running `"docker" "start" "-a" "fe7ca69ce29c96bf929b416325fa4ae0aacffdd20cb0e8d7eca9edf6ce57aa60"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `sleeps`
[INFO] [stderr]    --> src/day_4.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         let sleeps = current_guard.minutes_asleep.len();
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleeps`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sleeps`
[INFO] [stderr]    --> src/day_4.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let sleeps = current_guard.minutes_asleep.len();
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleeps`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `EventRE` should have an upper case name
[INFO] [stderr]   --> src/day_4.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 static ref EventRE: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stderr]    |                            ^^^^^^^ help: convert the identifier to upper case: `EVENT_RE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "fe7ca69ce29c96bf929b416325fa4ae0aacffdd20cb0e8d7eca9edf6ce57aa60"`
[INFO] running `"docker" "rm" "-f" "fe7ca69ce29c96bf929b416325fa4ae0aacffdd20cb0e8d7eca9edf6ce57aa60"`
[INFO] [stdout] fe7ca69ce29c96bf929b416325fa4ae0aacffdd20cb0e8d7eca9edf6ce57aa60
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7b9494998ffbd8b12411e699bcf508c9cba2eb5e4ce301874bbbc7c17a5ae6f
[INFO] running `"docker" "start" "-a" "f7b9494998ffbd8b12411e699bcf508c9cba2eb5e4ce301874bbbc7c17a5ae6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `sleeps`
[INFO] [stderr]    --> src/day_4.rs:146:29
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         let sleeps = current_guard.minutes_asleep.len();
[INFO] [stderr]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleeps`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sleeps`
[INFO] [stderr]    --> src/day_4.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let sleeps = current_guard.minutes_asleep.len();
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleeps`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `EventRE` should have an upper case name
[INFO] [stderr]   --> src/day_4.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 static ref EventRE: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stderr]    |                            ^^^^^^^ help: convert the identifier to upper case: `EVENT_RE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code-48b4b256ca547ca0
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test day_2::tests::can_diff_by ... ok
[INFO] [stdout] test day_3::tests::can_yield_extent ... ok
[INFO] [stdout] test day_2::tests::can_find_checksum ... ok
[INFO] [stdout] test day_1::tests::can_find_sum_frequency ... ok
[INFO] [stdout] test day_4::tests::can_find_guard_with_most_sleep ... ok
[INFO] [stdout] test day_4::tests::can_find_most_frequent_minute ... ok
[INFO] [stdout] test day_2::tests::can_find_correct_ids ... ok
[INFO] [stdout] test day_1::tests::can_find_duplicates_with_iters ... ok
[INFO] [stdout] test day_1::tests::can_find_duplicates ... ok
[INFO] [stdout] test day_3::tests::can_total_overlapping_claims ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code-b020658daf5f9034
[INFO] [stdout] test day_3::tests::can_find_nonoverlapping_claims ... ok
[INFO] [stderr]    Doc-tests advent_of_code
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f7b9494998ffbd8b12411e699bcf508c9cba2eb5e4ce301874bbbc7c17a5ae6f"`
[INFO] running `"docker" "rm" "-f" "f7b9494998ffbd8b12411e699bcf508c9cba2eb5e4ce301874bbbc7c17a5ae6f"`
[INFO] [stdout] f7b9494998ffbd8b12411e699bcf508c9cba2eb5e4ce301874bbbc7c17a5ae6f