[INFO] fetching crate genetic_algorithms 0.7.1...
[INFO] testing genetic_algorithms-0.7.1 against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] extracting crate genetic_algorithms 0.7.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate genetic_algorithms 0.7.1 on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genetic_algorithms 0.7.1
[INFO] finished tweaking crates.io crate genetic_algorithms 0.7.1
[INFO] tweaked toml for crates.io crate genetic_algorithms 0.7.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 504739fa9aa6fc73ded3d2e4f0fa72931a8371a5bfc18b295cb129c39913fe26
[INFO] running `Command { std: "docker" "start" "-a" "504739fa9aa6fc73ded3d2e4f0fa72931a8371a5bfc18b295cb129c39913fe26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504739fa9aa6fc73ded3d2e4f0fa72931a8371a5bfc18b295cb129c39913fe26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504739fa9aa6fc73ded3d2e4f0fa72931a8371a5bfc18b295cb129c39913fe26", kill_on_drop: false }`
[INFO] [stdout] 504739fa9aa6fc73ded3d2e4f0fa72931a8371a5bfc18b295cb129c39913fe26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74c52315c644f6145865e046ffc935d8fac646b3cbfc46613e0edbc35da0bdc7
[INFO] running `Command { std: "docker" "start" "-a" "74c52315c644f6145865e046ffc935d8fac646b3cbfc46613e0edbc35da0bdc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling genetic_algorithms v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "74c52315c644f6145865e046ffc935d8fac646b3cbfc46613e0edbc35da0bdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c52315c644f6145865e046ffc935d8fac646b3cbfc46613e0edbc35da0bdc7", kill_on_drop: false }`
[INFO] [stdout] 74c52315c644f6145865e046ffc935d8fac646b3cbfc46613e0edbc35da0bdc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 372fb8d5a0efb5d4345f6ab655cd346eaf17e8e68faf2bb8b652b912977919d5
[INFO] running `Command { std: "docker" "start" "-a" "372fb8d5a0efb5d4345f6ab655cd346eaf17e8e68faf2bb8b652b912977919d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling genetic_algorithms v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "372fb8d5a0efb5d4345f6ab655cd346eaf17e8e68faf2bb8b652b912977919d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372fb8d5a0efb5d4345f6ab655cd346eaf17e8e68faf2bb8b652b912977919d5", kill_on_drop: false }`
[INFO] [stdout] 372fb8d5a0efb5d4345f6ab655cd346eaf17e8e68faf2bb8b652b912977919d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47adb867cfba89be616ab71580d230645fb620717568d19d35c0b99687fe76eb
[INFO] running `Command { std: "docker" "start" "-a" "47adb867cfba89be616ab71580d230645fb620717568d19d35c0b99687fe76eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/genetic_algorithms-0d280701a45ed4cc)
[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]      Running tests/libtest.rs (/opt/rustwide/target/debug/deps/libtest-8d010dbd8ae3ca4f)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test operations::crossover::test_multipoint_crossover_4_points ... ok
[INFO] [stdout] test operations::selection::test_random_even_selection ... ok
[INFO] [stdout] test operations::survivor::test_age_based_survivor ... ok
[INFO] [stdout] test operations::crossover::test_cycle_crossover ... ok
[INFO] [stdout] test operations::survivor::test_survivor_fitness_fixed ... ok
[INFO] [stdout] test operations::survivor::test_fitness_survivor_minization ... ok
[INFO] [stdout] test operations::selection::test_fitness_proportionate_selection ... ok
[INFO] [stdout] test operations::survivor::test_fitness_survivor_maximization ... ok
[INFO] [stdout] test operations::selection::test_random_odd_selection ... ok
[INFO] [stdout] test operations::crossover::test_multipoint_crossover_2_points ... ok
[INFO] [stdout] test operations::mutation::test_inversion_mutation ... ok
[INFO] [stdout] test operations::mutation::test_scramble_mutation ... ok
[INFO] [stdout] test operations::mutation::test_swap_mutation ... ok
[INFO] [stdout] test operations::selection::test_tournament_multithread ... ok
[INFO] [stdout] test operations::selection::test_tournament_singlethread ... ok
[INFO] [stdout] test operations::crossover::test_uniform_crossover ... ok
[INFO] [stdout] test operations::selection::test_stochastic_universal_sampling ... ok
[INFO] [stdout] test ga::test_ga_run_minimize ... ok
[INFO] [stdout] test ga::test_ga_start_maximize ... ok
[INFO] [stdout] test ga::test_ga_run_multithread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.85s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genetic_algorithms
[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" "47adb867cfba89be616ab71580d230645fb620717568d19d35c0b99687fe76eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47adb867cfba89be616ab71580d230645fb620717568d19d35c0b99687fe76eb", kill_on_drop: false }`
[INFO] [stdout] 47adb867cfba89be616ab71580d230645fb620717568d19d35c0b99687fe76eb