[INFO] fetching crate metaheuristics 1.1.20...
[INFO] testing metaheuristics-1.1.20 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate metaheuristics 1.1.20 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate metaheuristics 1.1.20 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metaheuristics 1.1.20
[INFO] finished tweaking crates.io crate metaheuristics 1.1.20
[INFO] tweaked toml for crates.io crate metaheuristics 1.1.20 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5764cdba9b831fae2f8ea4ba8423609ff49a2a065928296416cce4b48bec49
[INFO] running `Command { std: "docker" "start" "-a" "7b5764cdba9b831fae2f8ea4ba8423609ff49a2a065928296416cce4b48bec49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5764cdba9b831fae2f8ea4ba8423609ff49a2a065928296416cce4b48bec49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5764cdba9b831fae2f8ea4ba8423609ff49a2a065928296416cce4b48bec49", kill_on_drop: false }`
[INFO] [stdout] 7b5764cdba9b831fae2f8ea4ba8423609ff49a2a065928296416cce4b48bec49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] befef0596fdfff66093508a34d0773ecd6067a11d3633e92c310deb044f527a6
[INFO] running `Command { std: "docker" "start" "-a" "befef0596fdfff66093508a34d0773ecd6067a11d3633e92c310deb044f527a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num_threads v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling metaheuristics v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "befef0596fdfff66093508a34d0773ecd6067a11d3633e92c310deb044f527a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befef0596fdfff66093508a34d0773ecd6067a11d3633e92c310deb044f527a6", kill_on_drop: false }`
[INFO] [stdout] befef0596fdfff66093508a34d0773ecd6067a11d3633e92c310deb044f527a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade2b44a7a42b7b8f7bf3bc18fb871e23b21bc869f39029c22987ed33a3fc694
[INFO] running `Command { std: "docker" "start" "-a" "ade2b44a7a42b7b8f7bf3bc18fb871e23b21bc869f39029c22987ed33a3fc694", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaheuristics v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/metaheuristics-cbd2478e0ac6a24d)
[INFO] running `Command { std: "docker" "inspect" "ade2b44a7a42b7b8f7bf3bc18fb871e23b21bc869f39029c22987ed33a3fc694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade2b44a7a42b7b8f7bf3bc18fb871e23b21bc869f39029c22987ed33a3fc694", kill_on_drop: false }`
[INFO] [stdout] ade2b44a7a42b7b8f7bf3bc18fb871e23b21bc869f39029c22987ed33a3fc694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b5633b8bd6c888463eaf93dde3bb129112bdffb31d4e6f17defa55a048e3bd6
[INFO] running `Command { std: "docker" "start" "-a" "7b5633b8bd6c888463eaf93dde3bb129112bdffb31d4e6f17defa55a048e3bd6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metaheuristics-cbd2478e0ac6a24d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metaheuristics
[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 13 tests
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing (line 17) ... ignored
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 36) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 13) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts::solve (line 37) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::clone_candidate (line 77) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::generate_candidate (line 84) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::rank_candidate (line 91) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::tweak_candidate (line 100) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 10) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 27) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 43) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 61) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 13 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b5633b8bd6c888463eaf93dde3bb129112bdffb31d4e6f17defa55a048e3bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5633b8bd6c888463eaf93dde3bb129112bdffb31d4e6f17defa55a048e3bd6", kill_on_drop: false }`
[INFO] [stdout] 7b5633b8bd6c888463eaf93dde3bb129112bdffb31d4e6f17defa55a048e3bd6