[INFO] fetching crate advent-of-code 2019.12.356...
[INFO] testing advent-of-code-2019.12.356 against 1.55.0 for beta-1.56-1
[INFO] extracting crate advent-of-code 2019.12.356 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate advent-of-code 2019.12.356 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advent-of-code 2019.12.356
[INFO] finished tweaking crates.io crate advent-of-code 2019.12.356
[INFO] tweaked toml for crates.io crate advent-of-code 2019.12.356 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate advent-of-code 2019.12.356 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c68093896adbfaa4a4e6d07368ae3a35240f7b8d5548dd5c427bfbdbd6f5e5fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c68093896adbfaa4a4e6d07368ae3a35240f7b8d5548dd5c427bfbdbd6f5e5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c68093896adbfaa4a4e6d07368ae3a35240f7b8d5548dd5c427bfbdbd6f5e5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68093896adbfaa4a4e6d07368ae3a35240f7b8d5548dd5c427bfbdbd6f5e5fe", kill_on_drop: false }`
[INFO] [stdout] c68093896adbfaa4a4e6d07368ae3a35240f7b8d5548dd5c427bfbdbd6f5e5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4510ddacdb43d73701eff88f47d0d2ee23ee73c7ad2e11a7f0153ebd3766f28f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4510ddacdb43d73701eff88f47d0d2ee23ee73c7ad2e11a7f0153ebd3766f28f", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code v2019.12.356 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "4510ddacdb43d73701eff88f47d0d2ee23ee73c7ad2e11a7f0153ebd3766f28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4510ddacdb43d73701eff88f47d0d2ee23ee73c7ad2e11a7f0153ebd3766f28f", kill_on_drop: false }`
[INFO] [stdout] 4510ddacdb43d73701eff88f47d0d2ee23ee73c7ad2e11a7f0153ebd3766f28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e602593bdd62aa0310837a0ee2d82b35e8b12cf2ca10bc4b25f9a271739910c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e602593bdd62aa0310837a0ee2d82b35e8b12cf2ca10bc4b25f9a271739910c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling advent-of-code v2019.12.356 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.91s
[INFO] running `Command { std: "docker" "inspect" "1e602593bdd62aa0310837a0ee2d82b35e8b12cf2ca10bc4b25f9a271739910c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e602593bdd62aa0310837a0ee2d82b35e8b12cf2ca10bc4b25f9a271739910c", kill_on_drop: false }`
[INFO] [stdout] 1e602593bdd62aa0310837a0ee2d82b35e8b12cf2ca10bc4b25f9a271739910c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dd2512b5a275b6785a4e4007cfde4700c83fafcea1c24ccd6c4a5b33d2300d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dd2512b5a275b6785a4e4007cfde4700c83fafcea1c24ccd6c4a5b33d2300d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code-ac59436e3230ee88)
[INFO] [stdout] 
[INFO] [stdout] running 163 tests
[INFO] [stdout] test common::md5::tests::index ... ok
[INFO] [stdout] test common::md5::tests::compute ... ok
[INFO] [stdout] test year2015::day01::tests ... ok
[INFO] [stdout] test year2015::day02::tests ... ok
[INFO] [stdout] test year2015::day14::tests ... ok
[INFO] [stdout] test year2015::day12::test_parse ... ok
[INFO] [stdout] test year2015::day08::tests ... ok
[INFO] [stdout] test year2015::day05::tests ... ok
[INFO] [stdout] test year2015::day07::tests ... ok
[INFO] [stdout] test year2015::day16::tests ... ok
[INFO] [stdout] test year2015::day21::tests ... ok
[INFO] [stdout] test year2015::day03::tests ... ok
[INFO] [stdout] test year2015::day23::tests ... ok
[INFO] [stdout] test year2015::day12::tests ... ok
[INFO] [stdout] test year2015::day19::tests ... ok
[INFO] [stdout] test year2016::day01::tests ... ok
[INFO] [stdout] test year2016::day02::tests ... ok
[INFO] [stdout] test year2016::day03::tests ... ok
[INFO] [stdout] test year2015::day17::tests ... ok
[INFO] [stdout] test year2015::day24::tests ... ok
[INFO] [stdout] test year2016::day06::tests ... ok
[INFO] [stdout] test year2016::day04::tests ... ok
[INFO] [stdout] test year2016::day08::tests ... ok
[INFO] [stdout] test year2016::day09::tests ... ok
[INFO] [stdout] test year2016::day10::tests ... ok
[INFO] [stdout] test year2016::day07::tests ... ok
[INFO] [stdout] test year2015::day25::tests ... ok
[INFO] [stdout] test year2016::day13::tests ... ok
[INFO] [stdout] test year2015::day09::tests ... ok
[INFO] [stdout] test year2015::day13::tests ... ok
[INFO] [stdout] test year2015::day11::tests ... ok
[INFO] [stdout] test year2016::day15::tests ... ok
[INFO] [stdout] test year2016::day17::tests ... ok
[INFO] [stdout] test year2016::day19::tests ... ok
[INFO] [stdout] test year2016::day20::tests ... ok
[INFO] [stdout] test year2015::day18::tests ... ok
[INFO] [stdout] test year2015::day22::tests ... ok
[INFO] [stdout] test year2016::day23::tests ... ok
[INFO] [stdout] test year2016::day22::tests ... ok
[INFO] [stdout] test year2016::day25::tests ... ok
[INFO] [stdout] test year2017::day01::test ... ok
[INFO] [stdout] test year2017::day02::test ... ok
[INFO] [stdout] test year2017::day03::test ... ok
[INFO] [stdout] test year2017::day04::test ... ok
[INFO] [stdout] test year2016::day12::tests ... ok
[INFO] [stdout] test year2017::day06::test_part1 ... ok
[INFO] [stdout] test year2017::day07::test ... ok
[INFO] [stdout] test year2017::day08::tests ... ok
[INFO] [stdout] test year2017::day09::test ... ok
[INFO] [stdout] test year2017::day10::test ... ok
[INFO] [stdout] test year2017::day11::test ... ok
[INFO] [stdout] test year2017::day12::tests ... ok
[INFO] [stdout] test year2016::day24::tests ... ok
[INFO] [stdout] test year2015::day15::tests ... ok
[INFO] [stdout] test year2017::day14::test_part2 ... ok
[INFO] [stdout] test year2017::day13::tests ... ok
[INFO] [stdout] test year2017::day16::tests ... ok
[INFO] [stdout] test year2017::day14::test_part1 ... ok
[INFO] [stdout] test year2017::day18::tests ... ok
[INFO] [stdout] test year2017::day19::tests ... ok
[INFO] [stdout] test year2017::day17::tests ... ok
[INFO] [stdout] test year2015::day06::tests ... ok
[INFO] [stdout] test year2017::day21::tile_tests ... ok
[INFO] [stdout] test year2017::day05::test ... ok
[INFO] [stdout] test year2017::day23::tests ... ok
[INFO] [stdout] test year2017::day21::tests ... ok
[INFO] [stdout] test year2017::day15::tests ... ok
[INFO] [stdout] test year2017::disjoint_set::test_disjoint_set ... ok
[INFO] [stdout] test year2018::day01::test ... ok
[INFO] [stdout] test year2018::day02::test ... ok
[INFO] [stdout] test year2018::day03::tests ... ok
[INFO] [stdout] test year2018::day04::test ... ok
[INFO] [stdout] test year2018::day05::test ... ok
[INFO] [stdout] test year2018::day06::test ... ok
[INFO] [stdout] test year2018::day07::tests ... ok
[INFO] [stdout] test year2018::day08::tests ... ok
[INFO] [stdout] test year2015::day20::tests ... ok
[INFO] [stdout] test year2018::day10::tests ... ok
[INFO] [stdout] test year2016::day18::tests ... ok
[INFO] [stdout] test year2017::day24::tests ... ok
[INFO] [stdout] test year2018::day13::tests ... ok
[INFO] [stdout] test year2016::day11::tests ... ok
[INFO] [stdout] test year2016::day16::tests ... ok
[INFO] [stdout] test year2018::day16::tests ... ok
[INFO] [stdout] test year2018::day12::tests ... ok
[INFO] [stdout] test year2018::day17::tests ... ok
[INFO] [stdout] test year2018::day09::tests ... ok
[INFO] [stdout] test year2018::day15::tests ... ok
[INFO] [stdout] test year2018::day21::tests ... ok
[INFO] [stdout] test year2018::day20::tests ... ok
[INFO] [stdout] test year2018::day19::tests ... ok
[INFO] [stdout] test year2018::day23::tests ... ok
[INFO] [stdout] test year2018::day18::tests ... ok
[INFO] [stdout] test year2019::day01::tests ... ok
[INFO] [stdout] test year2019::day02::tests ... ok
[INFO] [stdout] test year2019::day03::tests ... ok
[INFO] [stdout] test year2019::day03::tests_line_segment ... ok
[INFO] [stdout] test year2018::day25::tests ... ok
[INFO] [stdout] test year2019::day05::tests ... ok
[INFO] [stdout] test year2019::day06::tests ... ok
[INFO] [stdout] test year2019::day04::tests ... ok
[INFO] [stdout] test year2019::day08::tests ... ok
[INFO] [stdout] test year2019::day09::tests ... ok
[INFO] [stdout] test year2019::day07::tests ... ok
[INFO] [stdout] test year2019::day11::tests ... ok
[INFO] [stdout] test year2019::day10::tests ... ok
[INFO] [stdout] test year2019::day13::tests_part1 ... ok
[INFO] [stdout] test year2019::day13::tests_part2 ... ok
[INFO] [stdout] test year2017::day20::tests ... ok
[INFO] [stdout] test year2017::day22::tests ... ok
[INFO] [stdout] test year2018::day11::tests ... ok
[INFO] [stdout] test year2019::day15::tests ... ok
[INFO] [stdout] test year2019::day14::tests ... ok
[INFO] [stdout] test year2019::day18::tests_part2 ... ok
[INFO] [stdout] test year2019::day17::tests ... ok
[INFO] [stdout] test year2015::day10::tests ... ok
[INFO] [stdout] test year2019::day12::tests ... ok
[INFO] [stdout] test year2019::day22::tests ... ok
[INFO] [stdout] test year2019::day23::test ... ok
[INFO] [stdout] test common::md5::tests::overflow_count has been running for over 60 seconds
[INFO] [stdout] test common::md5::tests::overflow_length has been running for over 60 seconds
[INFO] [stdout] test year2015::day04::tests has been running for over 60 seconds
[INFO] [stdout] test year2019::day21::tests ... ok
[INFO] [stdout] test year2016::day05::tests has been running for over 60 seconds
[INFO] [stdout] test year2019::day18::tests_part1 ... ok
[INFO] [stdout] test year2020::day01::tests ... ok
[INFO] [stdout] test year2020::day02::tests ... ok
[INFO] [stdout] test year2020::day03::tests ... ok
[INFO] [stdout] test year2020::day04::tests ... ok
[INFO] [stdout] test year2016::day14::tests has been running for over 60 seconds
[INFO] [stdout] test year2020::day05::tests ... ok
[INFO] [stdout] test year2020::day06::tests ... ok
[INFO] [stdout] test year2018::day14::tests ... ok
[INFO] [stdout] test year2020::day08::tests ... ok
[INFO] [stdout] test year2020::day07::tests ... ok
[INFO] [stdout] test year2018::day22::tests ... ok
[INFO] [stdout] test year2020::day10::tests ... ok
[INFO] [stdout] test year2020::day12::tests ... ok
[INFO] [stdout] test year2020::day13::tests ... ok
[INFO] [stdout] test year2020::day09::tests ... ok
[INFO] [stdout] test year2020::day14::tests ... ok
[INFO] [stdout] test year2020::day16::tests ... ok
[INFO] [stdout] test year2018::day24::tests ... ok
[INFO] [stdout] test year2020::day18::tests ... ok
[INFO] [stdout] test year2019::day19::tests ... ok
[INFO] [stdout] test year2020::day20::test_flip ... ok
[INFO] [stdout] test year2020::day20::test_rotate ... ok
[INFO] [stdout] test year2020::day17::tests ... ok
[INFO] [stdout] test year2020::day20::tests ... ok
[INFO] [stdout] test year2020::day21::tests ... ok
[INFO] [stdout] test year2020::day11::tests ... ok
[INFO] [stdout] test year2020::day22::tests ... ok
[INFO] [stdout] test year2020::day25::tests ... ok
[INFO] [stdout] test year2019::day24::tests ... ok
[INFO] [stdout] test year2016::day21::tests has been running for over 60 seconds
[INFO] [stdout] test year2020::day19::tests ... ok
[INFO] [stdout] test year2019::day25::test ... ok
[INFO] [stdout] test year2020::day24::tests ... ok
[INFO] [stdout] test year2019::day20::tests ... ok
[INFO] [stdout] test year2020::day15::tests ... ok
[INFO] [stdout] test year2015::day04::tests ... ok
[INFO] [stdout] test year2017::day25::tests has been running for over 60 seconds
[INFO] [stdout] test year2019::day16::tests ... ok
[INFO] [stdout] test year2020::day23::tests ... ok
[INFO] [stdout] test year2016::day21::tests ... ok
[INFO] [stdout] test year2017::day25::tests ... ok
[INFO] [stdout] test common::md5::tests::overflow_count ... ok
[INFO] [stdout] test common::md5::tests::overflow_length ... ok
[INFO] [stdout] test year2016::day05::tests ... ok
[INFO] [stdout] test year2016::day14::tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 163 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 528.40s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code-fe4676bf5034e054)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent_of_code
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - solve (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dd2512b5a275b6785a4e4007cfde4700c83fafcea1c24ccd6c4a5b33d2300d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd2512b5a275b6785a4e4007cfde4700c83fafcea1c24ccd6c4a5b33d2300d5", kill_on_drop: false }`
[INFO] [stdout] 8dd2512b5a275b6785a4e4007cfde4700c83fafcea1c24ccd6c4a5b33d2300d5