[INFO] fetching crate genx 0.4.0...
[INFO] testing genx-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate genx 0.4.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate genx 0.4.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genx 0.4.0
[INFO] finished tweaking crates.io crate genx 0.4.0
[INFO] tweaked toml for crates.io crate genx 0.4.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate genx 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50bcdd8598ce76c7f785a5183f96e74e461e12d57bc11132b24f0884e970aac3
[INFO] running `Command { std: "docker" "start" "-a" "50bcdd8598ce76c7f785a5183f96e74e461e12d57bc11132b24f0884e970aac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50bcdd8598ce76c7f785a5183f96e74e461e12d57bc11132b24f0884e970aac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bcdd8598ce76c7f785a5183f96e74e461e12d57bc11132b24f0884e970aac3", kill_on_drop: false }`
[INFO] [stdout] 50bcdd8598ce76c7f785a5183f96e74e461e12d57bc11132b24f0884e970aac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c5fffbadd40ae105cb25c78b308efc525993655da131d9e2dfcf77cf14f1953
[INFO] running `Command { std: "docker" "start" "-a" "9c5fffbadd40ae105cb25c78b308efc525993655da131d9e2dfcf77cf14f1953", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling genx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "9c5fffbadd40ae105cb25c78b308efc525993655da131d9e2dfcf77cf14f1953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5fffbadd40ae105cb25c78b308efc525993655da131d9e2dfcf77cf14f1953", kill_on_drop: false }`
[INFO] [stdout] 9c5fffbadd40ae105cb25c78b308efc525993655da131d9e2dfcf77cf14f1953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b100b815f9fb8a8c79b8775d335273b6877adc81b411488bba1217fed56ec3d
[INFO] running `Command { std: "docker" "start" "-a" "4b100b815f9fb8a8c79b8775d335273b6877adc81b411488bba1217fed56ec3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling genx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4b100b815f9fb8a8c79b8775d335273b6877adc81b411488bba1217fed56ec3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b100b815f9fb8a8c79b8775d335273b6877adc81b411488bba1217fed56ec3d", kill_on_drop: false }`
[INFO] [stdout] 4b100b815f9fb8a8c79b8775d335273b6877adc81b411488bba1217fed56ec3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b70c684e204deb59176e0d1f62f97d776e57487da8126b028cb26461dd3f6784
[INFO] running `Command { std: "docker" "start" "-a" "b70c684e204deb59176e0d1f62f97d776e57487da8126b028cb26461dd3f6784", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/genx-f673f41dbe63130b)
[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] [stderr]    Doc-tests genx
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/mutation/flipping.rs - mutation::flipping::flipping_mutation (line 14) ... ok
[INFO] [stdout] test src/selection/rank.rs - selection::rank::rank_selection (line 19) ... ok
[INFO] [stdout] test src/selection/roulette_wheel.rs - selection::roulette_wheel::roulette_wheel_selection (line 18) ... ok
[INFO] [stdout] test src/mutation/polynomial.rs - mutation::polynomial::polynomial_mutation (line 17) ... ok
[INFO] [stdout] test src/selection/stochastic_universal.rs - selection::stochastic_universal::stochastic_universal_selection (line 18) ... ok
[INFO] [stdout] test src/selection/random.rs - selection::random::random_selection (line 17) ... ok
[INFO] [stdout] test src/mutation/inversion.rs - mutation::inversion::inversion_mutation (line 13) ... ok
[INFO] [stdout] test src/mutation/random.rs - mutation::random::random_mutation (line 16) ... ok
[INFO] [stdout] test src/mutation/scramble.rs - mutation::scramble::scramble_mutation (line 13) ... ok
[INFO] [stdout] test src/selection/steady_state.rs - selection::steady_state::steady_state_selection (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/mutation/swap.rs - mutation::swap::swap_mutation (line 10) ... ok
[INFO] [stdout] test src/selection/tournament.rs - selection::tournament::tournament_selection (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b70c684e204deb59176e0d1f62f97d776e57487da8126b028cb26461dd3f6784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70c684e204deb59176e0d1f62f97d776e57487da8126b028cb26461dd3f6784", kill_on_drop: false }`
[INFO] [stdout] b70c684e204deb59176e0d1f62f97d776e57487da8126b028cb26461dd3f6784