[INFO] fetching crate travelling_salesman 1.0.16...
[INFO] testing travelling_salesman-1.0.16 against 1.55.0 for beta-1.56-1
[INFO] extracting crate travelling_salesman 1.0.16 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate travelling_salesman 1.0.16 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 travelling_salesman 1.0.16
[INFO] finished tweaking crates.io crate travelling_salesman 1.0.16
[INFO] tweaked toml for crates.io crate travelling_salesman 1.0.16 written to /workspace/builds/worker-105/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metaheuristics v0.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 161602ecde6f674dab0c0b62671e318ba276a8be49759cbd6f9496a92baee1d5
[INFO] running `Command { std: "docker" "start" "-a" "161602ecde6f674dab0c0b62671e318ba276a8be49759cbd6f9496a92baee1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161602ecde6f674dab0c0b62671e318ba276a8be49759cbd6f9496a92baee1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161602ecde6f674dab0c0b62671e318ba276a8be49759cbd6f9496a92baee1d5", kill_on_drop: false }`
[INFO] [stdout] 161602ecde6f674dab0c0b62671e318ba276a8be49759cbd6f9496a92baee1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 6f82d6b1ff21c7d851f825357041293ac97e5fc5bbeb083b9e9c9d1a3732bedb
[INFO] running `Command { std: "docker" "start" "-a" "6f82d6b1ff21c7d851f825357041293ac97e5fc5bbeb083b9e9c9d1a3732bedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling metaheuristics v0.0.12
[INFO] [stderr]    Compiling travelling_salesman v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "6f82d6b1ff21c7d851f825357041293ac97e5fc5bbeb083b9e9c9d1a3732bedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f82d6b1ff21c7d851f825357041293ac97e5fc5bbeb083b9e9c9d1a3732bedb", kill_on_drop: false }`
[INFO] [stdout] 6f82d6b1ff21c7d851f825357041293ac97e5fc5bbeb083b9e9c9d1a3732bedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] ab6eb544eaeaf708d0e1420a7bc00fb8fa229c43a0dbc7cf1fee8db6c442b17c
[INFO] running `Command { std: "docker" "start" "-a" "ab6eb544eaeaf708d0e1420a7bc00fb8fa229c43a0dbc7cf1fee8db6c442b17c", kill_on_drop: false }`
[INFO] [stderr]    Compiling travelling_salesman v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "ab6eb544eaeaf708d0e1420a7bc00fb8fa229c43a0dbc7cf1fee8db6c442b17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6eb544eaeaf708d0e1420a7bc00fb8fa229c43a0dbc7cf1fee8db6c442b17c", kill_on_drop: false }`
[INFO] [stdout] ab6eb544eaeaf708d0e1420a7bc00fb8fa229c43a0dbc7cf1fee8db6c442b17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] c134d62a30f6fbc9c03a9f2623c80b9d923e5195397814634abe3b31c237b178
[INFO] running `Command { std: "docker" "start" "-a" "c134d62a30f6fbc9c03a9f2623c80b9d923e5195397814634abe3b31c237b178", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/travelling_salesman-3d2bf3a60efdd720)
[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 travelling_salesman
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - get_distance_matrix (line 179) ... ok
[INFO] [stdout] test src/brute_force/mod.rs - brute_force::solve (line 48) ... ok
[INFO] [stdout] test src/brute_force/mod.rs - brute_force (line 8) ... ok
[INFO] [stdout] test src/lib.rs - get_route_distance (line 214) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 9) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing (line 9) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 9) ... ok
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts::solve (line 59) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 59) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 56) ... ok
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 9) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c134d62a30f6fbc9c03a9f2623c80b9d923e5195397814634abe3b31c237b178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c134d62a30f6fbc9c03a9f2623c80b9d923e5195397814634abe3b31c237b178", kill_on_drop: false }`
[INFO] [stdout] c134d62a30f6fbc9c03a9f2623c80b9d923e5195397814634abe3b31c237b178