[INFO] fetching crate travelling_salesman 1.0.16...
[INFO] testing travelling_salesman-1.0.16 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate travelling_salesman 1.0.16 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate travelling_salesman 1.0.16 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63d9df0c6dcda545fbef57b3fafbb86371c51c9da58dcc21e7072c95091e0d3b
[INFO] running `Command { std: "docker" "start" "-a" "63d9df0c6dcda545fbef57b3fafbb86371c51c9da58dcc21e7072c95091e0d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d9df0c6dcda545fbef57b3fafbb86371c51c9da58dcc21e7072c95091e0d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d9df0c6dcda545fbef57b3fafbb86371c51c9da58dcc21e7072c95091e0d3b", kill_on_drop: false }`
[INFO] [stdout] 63d9df0c6dcda545fbef57b3fafbb86371c51c9da58dcc21e7072c95091e0d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32dcd9c62762be56fa05112ff5271883cdf5e398b87ea8eed52419f466265a88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32dcd9c62762be56fa05112ff5271883cdf5e398b87ea8eed52419f466265a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[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 4.86s
[INFO] running `Command { std: "docker" "inspect" "32dcd9c62762be56fa05112ff5271883cdf5e398b87ea8eed52419f466265a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dcd9c62762be56fa05112ff5271883cdf5e398b87ea8eed52419f466265a88", kill_on_drop: false }`
[INFO] [stdout] 32dcd9c62762be56fa05112ff5271883cdf5e398b87ea8eed52419f466265a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe40d78b3edc22c9822d25f05e454e6817b5decd14f59edd0da0ec8f26bee7a3
[INFO] running `Command { std: "docker" "start" "-a" "fe40d78b3edc22c9822d25f05e454e6817b5decd14f59edd0da0ec8f26bee7a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling travelling_salesman v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "fe40d78b3edc22c9822d25f05e454e6817b5decd14f59edd0da0ec8f26bee7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe40d78b3edc22c9822d25f05e454e6817b5decd14f59edd0da0ec8f26bee7a3", kill_on_drop: false }`
[INFO] [stdout] fe40d78b3edc22c9822d25f05e454e6817b5decd14f59edd0da0ec8f26bee7a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b0953f3b4f12a12cfea11e8d682ca98317e1c288b8d83728280750f8db3392f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b0953f3b4f12a12cfea11e8d682ca98317e1c288b8d83728280750f8db3392f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/travelling_salesman-27b73464f3882087
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests travelling_salesman
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/brute_force/mod.rs - brute_force (line 8) ... ok
[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/lib.rs - get_route_distance (line 214) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 9) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (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 59) ... ok
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 59) ... ok
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 57) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b0953f3b4f12a12cfea11e8d682ca98317e1c288b8d83728280750f8db3392f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0953f3b4f12a12cfea11e8d682ca98317e1c288b8d83728280750f8db3392f", kill_on_drop: false }`
[INFO] [stdout] 7b0953f3b4f12a12cfea11e8d682ca98317e1c288b8d83728280750f8db3392f