[INFO] updating cached repository https://github.com/davery22/advent-of-code-2018
[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] fadadb61b1c6e15c376c414a96427bb1695cb60f
[INFO] testing davery22/advent-of-code-2018 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavery22%2Fadvent-of-code-2018" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davery22/advent-of-code-2018 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davery22/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/davery22/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/davery22/advent-of-code-2018 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davery22/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7d433e767ecd9e10484cf8968290a9f08375ae602319d0cd5d884b4d277b2860
[INFO] running `"docker" "start" "-a" "7d433e767ecd9e10484cf8968290a9f08375ae602319d0cd5d884b4d277b2860"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day04.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let mut sleeps_per_minute = sleeps_per_minute_by_guard_id.entry(guard_id).or_insert(vec![0_usize; 60]);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `"docker" "inspect" "7d433e767ecd9e10484cf8968290a9f08375ae602319d0cd5d884b4d277b2860"`
[INFO] running `"docker" "rm" "-f" "7d433e767ecd9e10484cf8968290a9f08375ae602319d0cd5d884b4d277b2860"`
[INFO] [stdout] 7d433e767ecd9e10484cf8968290a9f08375ae602319d0cd5d884b4d277b2860
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 786c2b7a79fe3006b5bea00fcaae471034272ebf2842827f71da4a4eddfc4971
[INFO] running `"docker" "start" "-a" "786c2b7a79fe3006b5bea00fcaae471034272ebf2842827f71da4a4eddfc4971"`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/day04.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day04.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let mut sleeps_per_minute = sleeps_per_minute_by_guard_id.entry(guard_id).or_insert(vec![0_usize; 60]);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `"docker" "inspect" "786c2b7a79fe3006b5bea00fcaae471034272ebf2842827f71da4a4eddfc4971"`
[INFO] running `"docker" "rm" "-f" "786c2b7a79fe3006b5bea00fcaae471034272ebf2842827f71da4a4eddfc4971"`
[INFO] [stdout] 786c2b7a79fe3006b5bea00fcaae471034272ebf2842827f71da4a4eddfc4971
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c20ff7d8d6120fdaf32d40c5affb8ecdbe5b73fafc60a3171d8b6b00c238af1b
[INFO] running `"docker" "start" "-a" "c20ff7d8d6120fdaf32d40c5affb8ecdbe5b73fafc60a3171d8b6b00c238af1b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2018-7d2f167395a5ab72
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test day01::tests::test_gets_final_frequency ... ok
[INFO] [stdout] test day01::tests::test_gets_final_frequency_with_no_deltas ... ok
[INFO] [stdout] test day01::tests::test_gets_first_repeated_frequency_within_one_cycle ... ok
[INFO] [stdout] test day01::tests::test_gets_first_repeated_frequency_after_one_cycle ... ok
[INFO] [stdout] test day01::tests::test_parses_valid_input ... ok
[INFO] [stdout] test day02::tests::test_encodes_empty_string ... ok
[INFO] [stdout] test day02::tests::test_calculates_checksum ... ok
[INFO] [stdout] test day02::tests::test_encodes_string ... ok
[INFO] [stdout] test day02::tests::test_gets_letters_in_common_2 ... ok
[INFO] [stdout] test day02::tests::test_gets_letters_in_common_1 ... ok
[INFO] [stdout] test day02::tests::test_errors_on_getting_letters_in_common_when_none_match ... ok
[INFO] [stdout] test day01::tests::test_does_not_parse_invalid_input ... ok
[INFO] [stdout] test day03::tests::test_counts_conflicting_squares ... ok
[INFO] [stdout] test day03::tests::test_gets_non_overlapping_claim_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c20ff7d8d6120fdaf32d40c5affb8ecdbe5b73fafc60a3171d8b6b00c238af1b"`
[INFO] running `"docker" "rm" "-f" "c20ff7d8d6120fdaf32d40c5affb8ecdbe5b73fafc60a3171d8b6b00c238af1b"`
[INFO] [stdout] c20ff7d8d6120fdaf32d40c5affb8ecdbe5b73fafc60a3171d8b6b00c238af1b