[INFO] fetching crate genx 0.3.0...
[INFO] testing genx-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate genx 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate genx 0.3.0 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 genx 0.3.0
[INFO] finished tweaking crates.io crate genx 0.3.0
[INFO] tweaked toml for crates.io crate genx 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 17b105cd7502620e0090ee2c47e46557052764553aa9af54c7a4fdaff152c118
[INFO] running `Command { std: "docker" "start" "-a" "17b105cd7502620e0090ee2c47e46557052764553aa9af54c7a4fdaff152c118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17b105cd7502620e0090ee2c47e46557052764553aa9af54c7a4fdaff152c118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b105cd7502620e0090ee2c47e46557052764553aa9af54c7a4fdaff152c118", kill_on_drop: false }`
[INFO] [stdout] 17b105cd7502620e0090ee2c47e46557052764553aa9af54c7a4fdaff152c118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a10e49fcc10a0bf0ec5dd57a4827a564301294f3e8870c20b3ef2f807c3a35bf
[INFO] running `Command { std: "docker" "start" "-a" "a10e49fcc10a0bf0ec5dd57a4827a564301294f3e8870c20b3ef2f807c3a35bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling genx v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "a10e49fcc10a0bf0ec5dd57a4827a564301294f3e8870c20b3ef2f807c3a35bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10e49fcc10a0bf0ec5dd57a4827a564301294f3e8870c20b3ef2f807c3a35bf", kill_on_drop: false }`
[INFO] [stdout] a10e49fcc10a0bf0ec5dd57a4827a564301294f3e8870c20b3ef2f807c3a35bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e66a621faa6730692edad2874c262a2c7f43f0fc1011d65cf31670a863823670
[INFO] running `Command { std: "docker" "start" "-a" "e66a621faa6730692edad2874c262a2c7f43f0fc1011d65cf31670a863823670", kill_on_drop: false }`
[INFO] [stderr]    Compiling genx v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e66a621faa6730692edad2874c262a2c7f43f0fc1011d65cf31670a863823670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66a621faa6730692edad2874c262a2c7f43f0fc1011d65cf31670a863823670", kill_on_drop: false }`
[INFO] [stdout] e66a621faa6730692edad2874c262a2c7f43f0fc1011d65cf31670a863823670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9ddd326389fe1a05510620cbcaf4147e8b5ff9da49b45f97709557454e5439dd
[INFO] running `Command { std: "docker" "start" "-a" "9ddd326389fe1a05510620cbcaf4147e8b5ff9da49b45f97709557454e5439dd", 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-72ed980a42967a89)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genx
[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 15 tests
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/selection/steady_state.rs - selection::steady_state::steady_state_selection (line 13) ... ok
[INFO] [stdout] test src/selection/rank.rs - selection::rank::rank_selection (line 19) ... ok
[INFO] [stdout] test src/mutation/random.rs - mutation::random::random_mutation (line 16) ... ok
[INFO] [stdout] test src/selection/random.rs - selection::random::random_selection (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/selection/roulette_wheel.rs - selection::roulette_wheel::roulette_wheel_selection (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/mutation/swap.rs - mutation::swap::swap_mutation (line 10) ... ok
[INFO] [stdout] test src/mutation/flipping.rs - mutation::flipping::flipping_mutation (line 14) ... ok
[INFO] [stdout] test src/mutation/inversion.rs - mutation::inversion::inversion_mutation (line 13) ... ok
[INFO] [stdout] test src/selection/stochastic_universal.rs - selection::stochastic_universal::stochastic_universal_selection (line 18) ... ok
[INFO] [stdout] test src/selection/tournament.rs - selection::tournament::tournament_selection (line 17) ... ok
[INFO] [stdout] test src/mutation/polynomial.rs - mutation::polynomial::polynomial_mutation (line 17) ... ok
[INFO] [stdout] test src/mutation/scramble.rs - mutation::scramble::scramble_mutation (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ddd326389fe1a05510620cbcaf4147e8b5ff9da49b45f97709557454e5439dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddd326389fe1a05510620cbcaf4147e8b5ff9da49b45f97709557454e5439dd", kill_on_drop: false }`
[INFO] [stdout] 9ddd326389fe1a05510620cbcaf4147e8b5ff9da49b45f97709557454e5439dd