[INFO] fetching crate density-mesh-core 1.5.0...
[INFO] testing density-mesh-core-1.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate density-mesh-core 1.5.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate density-mesh-core 1.5.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate density-mesh-core 1.5.0
[INFO] finished tweaking crates.io crate density-mesh-core 1.5.0
[INFO] tweaked toml for crates.io crate density-mesh-core 1.5.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcd1541931176c5d6ca44a95fc502f83d58ba4e99432bc0c70b17d7a9f5cc69
[INFO] running `Command { std: "docker" "start" "-a" "2fcd1541931176c5d6ca44a95fc502f83d58ba4e99432bc0c70b17d7a9f5cc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcd1541931176c5d6ca44a95fc502f83d58ba4e99432bc0c70b17d7a9f5cc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcd1541931176c5d6ca44a95fc502f83d58ba4e99432bc0c70b17d7a9f5cc69", kill_on_drop: false }`
[INFO] [stdout] 2fcd1541931176c5d6ca44a95fc502f83d58ba4e99432bc0c70b17d7a9f5cc69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b82ffbe35b8284a3a48494cb7175d4274e069de61e91a1246f0549165d831e
[INFO] running `Command { std: "docker" "start" "-a" "a7b82ffbe35b8284a3a48494cb7175d4274e069de61e91a1246f0549165d831e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling triangulation v0.1.1
[INFO] [stderr]    Compiling density-mesh-core v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.34s
[INFO] running `Command { std: "docker" "inspect" "a7b82ffbe35b8284a3a48494cb7175d4274e069de61e91a1246f0549165d831e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b82ffbe35b8284a3a48494cb7175d4274e069de61e91a1246f0549165d831e", kill_on_drop: false }`
[INFO] [stdout] a7b82ffbe35b8284a3a48494cb7175d4274e069de61e91a1246f0549165d831e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1325ce18613667c36793002b1dd56592770dd5a908207a55e93a3b3f668e0e
[INFO] running `Command { std: "docker" "start" "-a" "be1325ce18613667c36793002b1dd56592770dd5a908207a55e93a3b3f668e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling density-mesh-core v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "be1325ce18613667c36793002b1dd56592770dd5a908207a55e93a3b3f668e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1325ce18613667c36793002b1dd56592770dd5a908207a55e93a3b3f668e0e", kill_on_drop: false }`
[INFO] [stdout] be1325ce18613667c36793002b1dd56592770dd5a908207a55e93a3b3f668e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e874d6b1c3c28b5999caecd472c33c03cce87a3fddc2f73be52a66ff4a5ebc80
[INFO] running `Command { std: "docker" "start" "-a" "e874d6b1c3c28b5999caecd472c33c03cce87a3fddc2f73be52a66ff4a5ebc80", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/density_mesh_core-5b5635030f361ea1)
[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 density-mesh-core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/coord.rs - coord::Coord (line 8) ... ok
[INFO] [stdout] test src/map.rs - map::DensityMap::new (line 35) ... ok
[INFO] [stdout] test src/map.rs - map::DensityMap::value_steepness_iter (line 164) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e874d6b1c3c28b5999caecd472c33c03cce87a3fddc2f73be52a66ff4a5ebc80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e874d6b1c3c28b5999caecd472c33c03cce87a3fddc2f73be52a66ff4a5ebc80", kill_on_drop: false }`
[INFO] [stdout] e874d6b1c3c28b5999caecd472c33c03cce87a3fddc2f73be52a66ff4a5ebc80