[INFO] fetching crate metaheuristics 1.1.20...
[INFO] testing metaheuristics-1.1.20 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ec511cd0d6cfd9795e83e3ea91f4719fd0703412b0034728e3d0b7973943ef
[INFO] running `Command { std: "docker" "start" "-a" "53ec511cd0d6cfd9795e83e3ea91f4719fd0703412b0034728e3d0b7973943ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ec511cd0d6cfd9795e83e3ea91f4719fd0703412b0034728e3d0b7973943ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ec511cd0d6cfd9795e83e3ea91f4719fd0703412b0034728e3d0b7973943ef", kill_on_drop: false }`
[INFO] [stdout] 53ec511cd0d6cfd9795e83e3ea91f4719fd0703412b0034728e3d0b7973943ef
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0eba43b20b3c2f3e5a1a3185aa580c231a5ce6dd29a2ef56610cca162df22bb
[INFO] running `Command { std: "docker" "start" "-a" "c0eba43b20b3c2f3e5a1a3185aa580c231a5ce6dd29a2ef56610cca162df22bb", 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 4.18s
[INFO] running `Command { std: "docker" "inspect" "c0eba43b20b3c2f3e5a1a3185aa580c231a5ce6dd29a2ef56610cca162df22bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0eba43b20b3c2f3e5a1a3185aa580c231a5ce6dd29a2ef56610cca162df22bb", kill_on_drop: false }`
[INFO] [stdout] c0eba43b20b3c2f3e5a1a3185aa580c231a5ce6dd29a2ef56610cca162df22bb
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56caf261329f88c4210bddde8dfd5a93f1a0471a6d18b19e009d3d0d9093037a
[INFO] running `Command { std: "docker" "start" "-a" "56caf261329f88c4210bddde8dfd5a93f1a0471a6d18b19e009d3d0d9093037a", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaheuristics v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "56caf261329f88c4210bddde8dfd5a93f1a0471a6d18b19e009d3d0d9093037a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56caf261329f88c4210bddde8dfd5a93f1a0471a6d18b19e009d3d0d9093037a", kill_on_drop: false }`
[INFO] [stdout] 56caf261329f88c4210bddde8dfd5a93f1a0471a6d18b19e009d3d0d9093037a
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c22e3ca2de8eae321124775b52c3f9933388fbd53eb75c3d51a6745b9fb9392
[INFO] running `Command { std: "docker" "start" "-a" "2c22e3ca2de8eae321124775b52c3f9933388fbd53eb75c3d51a6745b9fb9392", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metaheuristics-2bb5ae12d742252c)
[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 metaheuristics
[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" "2c22e3ca2de8eae321124775b52c3f9933388fbd53eb75c3d51a6745b9fb9392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c22e3ca2de8eae321124775b52c3f9933388fbd53eb75c3d51a6745b9fb9392", kill_on_drop: false }`
[INFO] [stdout] 2c22e3ca2de8eae321124775b52c3f9933388fbd53eb75c3d51a6745b9fb9392