[INFO] updating cached repository davery22/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davery22/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davery22/advent-of-code-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/davery22/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davery22/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davery22/advent-of-code-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fadadb61b1c6e15c376c414a96427bb1695cb60f
[INFO] sha for GitHub repo davery22/advent-of-code-2018: fadadb61b1c6e15c376c414a96427bb1695cb60f
[INFO] validating manifest of davery22/advent-of-code-2018 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of davery22/advent-of-code-2018 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing davery22/advent-of-code-2018
[INFO] finished frobbing davery22/advent-of-code-2018
[INFO] frobbed toml for davery22/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/davery22/advent-of-code-2018/Cargo.toml
[INFO] started frobbing davery22/advent-of-code-2018
[INFO] finished frobbing davery22/advent-of-code-2018
[INFO] frobbed toml for davery22/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018/Cargo.toml
[INFO] crate davery22/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing davery22/advent-of-code-2018 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7bab1ec84e4c0ae2df9cda5e81c1ac3a7551ca135ea9e0cfedf35d25745acafc
[INFO] running `"docker" "start" "-a" "7bab1ec84e4c0ae2df9cda5e81c1ac3a7551ca135ea9e0cfedf35d25745acafc"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/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 7.31s
[INFO] running `"docker" "inspect" "7bab1ec84e4c0ae2df9cda5e81c1ac3a7551ca135ea9e0cfedf35d25745acafc"`
[INFO] running `"docker" "rm" "-f" "7bab1ec84e4c0ae2df9cda5e81c1ac3a7551ca135ea9e0cfedf35d25745acafc"`
[INFO] [stdout] 7bab1ec84e4c0ae2df9cda5e81c1ac3a7551ca135ea9e0cfedf35d25745acafc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 27f5f013d6330535a6c95eb15400adc0140d0ebdf3662902c8802ac54aaa5fb0
[INFO] running `"docker" "start" "-a" "27f5f013d6330535a6c95eb15400adc0140d0ebdf3662902c8802ac54aaa5fb0"`
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/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 2.54s
[INFO] running `"docker" "inspect" "27f5f013d6330535a6c95eb15400adc0140d0ebdf3662902c8802ac54aaa5fb0"`
[INFO] running `"docker" "rm" "-f" "27f5f013d6330535a6c95eb15400adc0140d0ebdf3662902c8802ac54aaa5fb0"`
[INFO] [stdout] 27f5f013d6330535a6c95eb15400adc0140d0ebdf3662902c8802ac54aaa5fb0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davery22/advent-of-code-2018:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e67300a7cb09e8dc5adb5d71de57ce1b5599d38afd3129fbb4badb5cf53824db
[INFO] running `"docker" "start" "-a" "e67300a7cb09e8dc5adb5d71de57ce1b5599d38afd3129fbb4badb5cf53824db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code_2018-6154a99066bbd9b0
[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_parses_valid_input ... ok
[INFO] [stdout] test day01::tests::test_gets_first_repeated_frequency_after_one_cycle ... ok
[INFO] [stdout] test day02::tests::test_encodes_empty_string ... ok
[INFO] [stdout] test day02::tests::test_calculates_checksum ... ok
[INFO] [stdout] test day01::tests::test_gets_first_repeated_frequency_within_one_cycle ... ok
[INFO] [stdout] test day02::tests::test_encodes_string ... ok
[INFO] [stdout] test day02::tests::test_errors_on_getting_letters_in_common_when_none_match ... ok
[INFO] [stdout] test day02::tests::test_gets_letters_in_common_1 ... ok
[INFO] [stdout] test day02::tests::test_gets_letters_in_common_2 ... 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" "e67300a7cb09e8dc5adb5d71de57ce1b5599d38afd3129fbb4badb5cf53824db"`
[INFO] running `"docker" "rm" "-f" "e67300a7cb09e8dc5adb5d71de57ce1b5599d38afd3129fbb4badb5cf53824db"`
[INFO] [stdout] e67300a7cb09e8dc5adb5d71de57ce1b5599d38afd3129fbb4badb5cf53824db