[INFO] updating cached repository cfiet/rust-advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cfiet/rust-advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cfiet/rust-advent-of-code-2018" "work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cfiet/rust-advent-of-code-2018" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cfiet/rust-advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cfiet/rust-advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 395b460f2409c48cf7fd4cfc82d8568624da24e8
[INFO] sha for GitHub repo cfiet/rust-advent-of-code-2018: 395b460f2409c48cf7fd4cfc82d8568624da24e8
[INFO] validating manifest of cfiet/rust-advent-of-code-2018 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cfiet/rust-advent-of-code-2018 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cfiet/rust-advent-of-code-2018
[INFO] finished frobbing cfiet/rust-advent-of-code-2018
[INFO] frobbed toml for cfiet/rust-advent-of-code-2018 written to work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-advent-of-code-2018/Cargo.toml
[INFO] started frobbing cfiet/rust-advent-of-code-2018
[INFO] finished frobbing cfiet/rust-advent-of-code-2018
[INFO] frobbed toml for cfiet/rust-advent-of-code-2018 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cfiet/rust-advent-of-code-2018/Cargo.toml
[INFO] crate cfiet/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cfiet/rust-advent-of-code-2018 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ffe2ec1d2665a80e8a30cea9e9b7c60d7b8cc0993f5105e060d732439fea9c6f
[INFO] running `"docker" "start" "-a" "ffe2ec1d2665a80e8a30cea9e9b7c60d7b8cc0993f5105e060d732439fea9c6f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rust-advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Eq`
[INFO] [stderr]  --> src/day9.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `"docker" "inspect" "ffe2ec1d2665a80e8a30cea9e9b7c60d7b8cc0993f5105e060d732439fea9c6f"`
[INFO] running `"docker" "rm" "-f" "ffe2ec1d2665a80e8a30cea9e9b7c60d7b8cc0993f5105e060d732439fea9c6f"`
[INFO] [stdout] ffe2ec1d2665a80e8a30cea9e9b7c60d7b8cc0993f5105e060d732439fea9c6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e5c327d6daeb94fad229ab141d164c0774c9f23f4eabfdf1391f4fdff1b4d775
[INFO] running `"docker" "start" "-a" "e5c327d6daeb94fad229ab141d164c0774c9f23f4eabfdf1391f4fdff1b4d775"`
[INFO] [stderr]    Compiling rust-advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Eq`
[INFO] [stderr]  --> src/day9.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "e5c327d6daeb94fad229ab141d164c0774c9f23f4eabfdf1391f4fdff1b4d775"`
[INFO] running `"docker" "rm" "-f" "e5c327d6daeb94fad229ab141d164c0774c9f23f4eabfdf1391f4fdff1b4d775"`
[INFO] [stdout] e5c327d6daeb94fad229ab141d164c0774c9f23f4eabfdf1391f4fdff1b4d775
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cfiet/rust-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5f09e9512bd6586fe25ca7ea9aa2755a44376758cb7d5f30c8ceec5205b85b12
[INFO] running `"docker" "start" "-a" "5f09e9512bd6586fe25ca7ea9aa2755a44376758cb7d5f30c8ceec5205b85b12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_advent_of_code_2018-5809801382838383
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test day2::test::are_close_returns_false_if_strings_are_same ... ok
[INFO] [stdout] test day2::test::are_close_returns_false_when_strings_are_different_length ... ok
[INFO] [stdout] test day2::test::are_close_returns_true_if_strings_have_no_more_then_one_different_character ... ok
[INFO] [stdout] test day5::test::test_reduce_polymer ... ok
[INFO] [stdout] test day2::test::are_close_returns_false_when_strings_have_more_then_one_different_character ... ok
[INFO] [stdout] test day8::test::test_input_parsing ... ok
[INFO] [stdout] test day3::test::claim_should_parse_correct_input_line ... ok
[INFO] [stdout] test day7::test::test_line_parsing ... ok
[INFO] [stdout] test day9::test::test_solution_part1 ... ok
[INFO] [stdout] test day9::test::test_solution_part2 ... 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" "5f09e9512bd6586fe25ca7ea9aa2755a44376758cb7d5f30c8ceec5205b85b12"`
[INFO] running `"docker" "rm" "-f" "5f09e9512bd6586fe25ca7ea9aa2755a44376758cb7d5f30c8ceec5205b85b12"`
[INFO] [stdout] 5f09e9512bd6586fe25ca7ea9aa2755a44376758cb7d5f30c8ceec5205b85b12