[INFO] updating cached repository https://github.com/grotsev/salesman-problem
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 369d203a3b312d456e60119de09f54fd44807b57
[INFO] testing grotsev/salesman-problem against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrotsev%2Fsalesman-problem" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grotsev/salesman-problem on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/grotsev/salesman-problem
[INFO] finished tweaking git repo https://github.com/grotsev/salesman-problem
[INFO] tweaked toml for git repo https://github.com/grotsev/salesman-problem written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/grotsev/salesman-problem already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c55cbd3266a95700b7d97689f941d5967be1e183c24ccc4b48389916c24d9eb6
[INFO] running `"docker" "start" "-a" "c55cbd3266a95700b7d97689f941d5967be1e183c24ccc4b48389916c24d9eb6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling png v0.15.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling priority-queue v0.6.0
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling rusttype v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling imageproc v0.19.2
[INFO] [stderr]    Compiling annealing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.03s
[INFO] running `"docker" "inspect" "c55cbd3266a95700b7d97689f941d5967be1e183c24ccc4b48389916c24d9eb6"`
[INFO] running `"docker" "rm" "-f" "c55cbd3266a95700b7d97689f941d5967be1e183c24ccc4b48389916c24d9eb6"`
[INFO] [stdout] c55cbd3266a95700b7d97689f941d5967be1e183c24ccc4b48389916c24d9eb6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f26d64032070a98a9db891c2cb9b4f85fcda483b6ed7c92f1d1a68e6b4d65fa2
[INFO] running `"docker" "start" "-a" "f26d64032070a98a9db891c2cb9b4f85fcda483b6ed7c92f1d1a68e6b4d65fa2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling annealing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "f26d64032070a98a9db891c2cb9b4f85fcda483b6ed7c92f1d1a68e6b4d65fa2"`
[INFO] running `"docker" "rm" "-f" "f26d64032070a98a9db891c2cb9b4f85fcda483b6ed7c92f1d1a68e6b4d65fa2"`
[INFO] [stdout] f26d64032070a98a9db891c2cb9b4f85fcda483b6ed7c92f1d1a68e6b4d65fa2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a3d665b6df919bfcb9bda1645da8fb9db2cfd54d4ba3d01788f58a5b98409e8f
[INFO] running `"docker" "start" "-a" "a3d665b6df919bfcb9bda1645da8fb9db2cfd54d4ba3d01788f58a5b98409e8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/annealing-db6467a166aca4b7
[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]      Running /opt/rustwide/target/debug/deps/annealing-32ac98a950c06cec
[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 annealing
[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] running `"docker" "inspect" "a3d665b6df919bfcb9bda1645da8fb9db2cfd54d4ba3d01788f58a5b98409e8f"`
[INFO] running `"docker" "rm" "-f" "a3d665b6df919bfcb9bda1645da8fb9db2cfd54d4ba3d01788f58a5b98409e8f"`
[INFO] [stdout] a3d665b6df919bfcb9bda1645da8fb9db2cfd54d4ba3d01788f58a5b98409e8f