[INFO] fetching crate travelling_salesman 1.1.20...
[INFO] testing travelling_salesman-1.1.20 against 1.60.0 for beta-1.61-1
[INFO] extracting crate travelling_salesman 1.1.20 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate travelling_salesman 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 travelling_salesman 1.1.20
[INFO] finished tweaking crates.io crate travelling_salesman 1.1.20
[INFO] tweaked toml for crates.io crate travelling_salesman 1.1.20 written to /workspace/builds/worker-31/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 v1.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ec2008ebc5529ce185fa660bb3b9e4b0c6de0e862cebbbd73c753f53d997b894
[INFO] running `Command { std: "docker" "start" "-a" "ec2008ebc5529ce185fa660bb3b9e4b0c6de0e862cebbbd73c753f53d997b894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2008ebc5529ce185fa660bb3b9e4b0c6de0e862cebbbd73c753f53d997b894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2008ebc5529ce185fa660bb3b9e4b0c6de0e862cebbbd73c753f53d997b894", kill_on_drop: false }`
[INFO] [stdout] ec2008ebc5529ce185fa660bb3b9e4b0c6de0e862cebbbd73c753f53d997b894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 72f03d1750f86bb69e177f8442488c0f85ec7c47cb5c5c8ec94d929f87222785
[INFO] running `Command { std: "docker" "start" "-a" "72f03d1750f86bb69e177f8442488c0f85ec7c47cb5c5c8ec94d929f87222785", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_threads v0.1.5
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling metaheuristics v1.1.20
[INFO] [stderr]    Compiling travelling_salesman v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "72f03d1750f86bb69e177f8442488c0f85ec7c47cb5c5c8ec94d929f87222785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f03d1750f86bb69e177f8442488c0f85ec7c47cb5c5c8ec94d929f87222785", kill_on_drop: false }`
[INFO] [stdout] 72f03d1750f86bb69e177f8442488c0f85ec7c47cb5c5c8ec94d929f87222785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] e2ef4bd1afe6e59c44ba8da3f7dc9ff15d2ca1d06570ab827d15229a5b8f8775
[INFO] running `Command { std: "docker" "start" "-a" "e2ef4bd1afe6e59c44ba8da3f7dc9ff15d2ca1d06570ab827d15229a5b8f8775", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling travelling_salesman v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "e2ef4bd1afe6e59c44ba8da3f7dc9ff15d2ca1d06570ab827d15229a5b8f8775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ef4bd1afe6e59c44ba8da3f7dc9ff15d2ca1d06570ab827d15229a5b8f8775", kill_on_drop: false }`
[INFO] [stdout] e2ef4bd1afe6e59c44ba8da3f7dc9ff15d2ca1d06570ab827d15229a5b8f8775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 6a642694042f07a0fc25fe02f93e965f6aeed4cbbf8676f87b9d928b484e56ab
[INFO] running `Command { std: "docker" "start" "-a" "6a642694042f07a0fc25fe02f93e965f6aeed4cbbf8676f87b9d928b484e56ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/travelling_salesman-14dc1fe33124c76d)
[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/brute_force/mod.rs - brute_force::solve (line 44) ... ok
[INFO] [stdout] test src/lib.rs - get_distance_matrix (line 192) ... ok
[INFO] [stdout] test src/lib.rs - get_route_distance (line 231) ... ok
[INFO] [stdout] test src/brute_force/mod.rs - brute_force (line 8) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 9) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing (line 9) ... ok
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts::solve (line 54) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 52) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 9) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 9) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a642694042f07a0fc25fe02f93e965f6aeed4cbbf8676f87b9d928b484e56ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a642694042f07a0fc25fe02f93e965f6aeed4cbbf8676f87b9d928b484e56ab", kill_on_drop: false }`
[INFO] [stdout] 6a642694042f07a0fc25fe02f93e965f6aeed4cbbf8676f87b9d928b484e56ab