[INFO] fetching crate contour 0.3.0...
[INFO] testing contour-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate contour 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate contour 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contour 0.3.0
[INFO] finished tweaking crates.io crate contour 0.3.0
[INFO] tweaked toml for crates.io crate contour 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ac86364cd31a6eb47db682e5ae8cb18d908b9adf119e3bd24fe498323f696bcc
[INFO] running `Command { std: "docker" "start" "-a" "ac86364cd31a6eb47db682e5ae8cb18d908b9adf119e3bd24fe498323f696bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac86364cd31a6eb47db682e5ae8cb18d908b9adf119e3bd24fe498323f696bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac86364cd31a6eb47db682e5ae8cb18d908b9adf119e3bd24fe498323f696bcc", kill_on_drop: false }`
[INFO] [stdout] ac86364cd31a6eb47db682e5ae8cb18d908b9adf119e3bd24fe498323f696bcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd1afd02711cc818bc84e851a84bd35dc3dfdfcec50f0b0eef4323e1a680982
[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" "bcd1afd02711cc818bc84e851a84bd35dc3dfdfcec50f0b0eef4323e1a680982", kill_on_drop: false }`
[INFO] [stderr]    Compiling geojson v0.21.0
[INFO] [stderr]    Compiling contour v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "bcd1afd02711cc818bc84e851a84bd35dc3dfdfcec50f0b0eef4323e1a680982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd1afd02711cc818bc84e851a84bd35dc3dfdfcec50f0b0eef4323e1a680982", kill_on_drop: false }`
[INFO] [stdout] bcd1afd02711cc818bc84e851a84bd35dc3dfdfcec50f0b0eef4323e1a680982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8026be0084f54fd850b92047fa8a38a6e22a351cb0f9d0513e155c410f010d35
[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" "8026be0084f54fd850b92047fa8a38a6e22a351cb0f9d0513e155c410f010d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling contour v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "8026be0084f54fd850b92047fa8a38a6e22a351cb0f9d0513e155c410f010d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8026be0084f54fd850b92047fa8a38a6e22a351cb0f9d0513e155c410f010d35", kill_on_drop: false }`
[INFO] [stdout] 8026be0084f54fd850b92047fa8a38a6e22a351cb0f9d0513e155c410f010d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faa3417a8ab3b8c2184498465f473be3785c8197d34db5eff59d6296ed78dc9c
[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" "faa3417a8ab3b8c2184498465f473be3785c8197d34db5eff59d6296ed78dc9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/contour-8b0cc4299b828235
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_empty_polygons ... ok
[INFO] [stdout] test tests::test_multipolygon ... ok
[INFO] [stdout] test tests::test_multiple_thresholds ... ok
[INFO] [stdout] test tests::test_multipolygon_with_hole ... ok
[INFO] [stdout] test tests::test_simple_polygon ... ok
[INFO] [stdout] test tests::test_polygon_with_hole ... ok
[INFO] [stdout] test tests::test_simple_polygon_no_smoothing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contour
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faa3417a8ab3b8c2184498465f473be3785c8197d34db5eff59d6296ed78dc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa3417a8ab3b8c2184498465f473be3785c8197d34db5eff59d6296ed78dc9c", kill_on_drop: false }`
[INFO] [stdout] faa3417a8ab3b8c2184498465f473be3785c8197d34db5eff59d6296ed78dc9c