[INFO] fetching crate travelling_salesman 1.0.16...
[INFO] testing travelling_salesman-1.0.16 against 1.44.0 for beta-1.45-1
[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 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] b57aceff465561dacbde1018bc1f2b970031913c16ea58a2e340021b098e177f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b57aceff465561dacbde1018bc1f2b970031913c16ea58a2e340021b098e177f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.79s
[INFO] running `"docker" "inspect" "b57aceff465561dacbde1018bc1f2b970031913c16ea58a2e340021b098e177f"`
[INFO] running `"docker" "rm" "-f" "b57aceff465561dacbde1018bc1f2b970031913c16ea58a2e340021b098e177f"`
[INFO] [stdout] b57aceff465561dacbde1018bc1f2b970031913c16ea58a2e340021b098e177f
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 166ecafff4243ce81741dec8ad6827377923c2b2ac281a4be62ca80e8a7e6395
[INFO] running `"docker" "start" "-a" "166ecafff4243ce81741dec8ad6827377923c2b2ac281a4be62ca80e8a7e6395"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling travelling_salesman v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "166ecafff4243ce81741dec8ad6827377923c2b2ac281a4be62ca80e8a7e6395"`
[INFO] running `"docker" "rm" "-f" "166ecafff4243ce81741dec8ad6827377923c2b2ac281a4be62ca80e8a7e6395"`
[INFO] [stdout] 166ecafff4243ce81741dec8ad6827377923c2b2ac281a4be62ca80e8a7e6395
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2a04fe67021a852d002dbe52a5e01c15095139351f9743c6fcd59d112e31017
[INFO] running `"docker" "start" "-a" "c2a04fe67021a852d002dbe52a5e01c15095139351f9743c6fcd59d112e31017"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/travelling_salesman-213f8b1f73cda1d4
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests travelling_salesman
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - get_route_distance (line 214) ... ok
[INFO] [stdout] test src/brute_force/mod.rs - brute_force (line 8) ... ok
[INFO] [stdout] test src/brute_force/mod.rs - brute_force::solve (line 48) ... ok
[INFO] [stdout] test src/lib.rs - get_distance_matrix (line 179) ... 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/random_search/mod.rs - random_search::solve (line 57) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 9) ... ok
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 56) ... ok
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 59) ... ok
[INFO] [stdout] test src/lib.rs -  (line 16) ... 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] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c2a04fe67021a852d002dbe52a5e01c15095139351f9743c6fcd59d112e31017"`
[INFO] running `"docker" "rm" "-f" "c2a04fe67021a852d002dbe52a5e01c15095139351f9743c6fcd59d112e31017"`
[INFO] [stdout] c2a04fe67021a852d002dbe52a5e01c15095139351f9743c6fcd59d112e31017