[INFO] cloning repository https://github.com/IGI-111/evolve-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IGI-111/evolve-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fevolve-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fevolve-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a909373cd7cb901cd43efcfb5e4a6aedc4961d8d
[INFO] testing IGI-111/evolve-regex against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fevolve-regex" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IGI-111/evolve-regex 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 git repo https://github.com/IGI-111/evolve-regex
[INFO] finished tweaking git repo https://github.com/IGI-111/evolve-regex
[INFO] tweaked toml for git repo https://github.com/IGI-111/evolve-regex written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/IGI-111/evolve-regex 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 75370e5bf9c4f8c853ef80d9846d9740c197c7eb0de5b225c43e8a73b743f86f
[INFO] running `Command { std: "docker" "start" "-a" "75370e5bf9c4f8c853ef80d9846d9740c197c7eb0de5b225c43e8a73b743f86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75370e5bf9c4f8c853ef80d9846d9740c197c7eb0de5b225c43e8a73b743f86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75370e5bf9c4f8c853ef80d9846d9740c197c7eb0de5b225c43e8a73b743f86f", kill_on_drop: false }`
[INFO] [stdout] 75370e5bf9c4f8c853ef80d9846d9740c197c7eb0de5b225c43e8a73b743f86f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] d0414f74ae0941b23c0f4af0016e2c51f8d68dccbca8acb41c396f77cf06d495
[INFO] running `Command { std: "docker" "start" "-a" "d0414f74ae0941b23c0f4af0016e2c51f8d68dccbca8acb41c396f77cf06d495", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling evolve-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `CODON_COUNT`
[INFO] [stdout]  --> src/individual.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CODON_COUNT: usize = 20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "d0414f74ae0941b23c0f4af0016e2c51f8d68dccbca8acb41c396f77cf06d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0414f74ae0941b23c0f4af0016e2c51f8d68dccbca8acb41c396f77cf06d495", kill_on_drop: false }`
[INFO] [stdout] d0414f74ae0941b23c0f4af0016e2c51f8d68dccbca8acb41c396f77cf06d495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] ce413acb2ecd9038cc3a19ffa6b51a7485ed9c9ba64c108396a2494c6257bba2
[INFO] running `Command { std: "docker" "start" "-a" "ce413acb2ecd9038cc3a19ffa6b51a7485ed9c9ba64c108396a2494c6257bba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling evolve-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `CODON_COUNT`
[INFO] [stdout]  --> src/individual.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CODON_COUNT: usize = 20;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "ce413acb2ecd9038cc3a19ffa6b51a7485ed9c9ba64c108396a2494c6257bba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce413acb2ecd9038cc3a19ffa6b51a7485ed9c9ba64c108396a2494c6257bba2", kill_on_drop: false }`
[INFO] [stdout] ce413acb2ecd9038cc3a19ffa6b51a7485ed9c9ba64c108396a2494c6257bba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 7210b1808a8291fe4c8bb0e5abc9c782bec97607da80a1bfea999284629a82ba
[INFO] running `Command { std: "docker" "start" "-a" "7210b1808a8291fe4c8bb0e5abc9c782bec97607da80a1bfea999284629a82ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: constant is never used: `CODON_COUNT`
[INFO] [stderr]  --> src/individual.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const CODON_COUNT: usize = 20;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `evolve-regex` (bin "evolve-regex" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/evolve_regex-e6e342529dd8a0e9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7210b1808a8291fe4c8bb0e5abc9c782bec97607da80a1bfea999284629a82ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7210b1808a8291fe4c8bb0e5abc9c782bec97607da80a1bfea999284629a82ba", kill_on_drop: false }`
[INFO] [stdout] 7210b1808a8291fe4c8bb0e5abc9c782bec97607da80a1bfea999284629a82ba