[INFO] fetching crate kodama 0.2.3...
[INFO] testing kodama-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate kodama 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kodama 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kodama 0.2.3
[INFO] finished tweaking crates.io crate kodama 0.2.3
[INFO] tweaked toml for crates.io crate kodama 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d8febc88a9a5d0d351b047e55aa94be24c7f22da33485cba5ce2bb3acf9e6ff
[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" "1d8febc88a9a5d0d351b047e55aa94be24c7f22da33485cba5ce2bb3acf9e6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8febc88a9a5d0d351b047e55aa94be24c7f22da33485cba5ce2bb3acf9e6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8febc88a9a5d0d351b047e55aa94be24c7f22da33485cba5ce2bb3acf9e6ff", kill_on_drop: false }`
[INFO] [stdout] 1d8febc88a9a5d0d351b047e55aa94be24c7f22da33485cba5ce2bb3acf9e6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--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] 0b84d74c3dad1afff01951758317ba800a235c8b17a447e103782f488801577d
[INFO] running `Command { std: "docker" "start" "-a" "0b84d74c3dad1afff01951758317ba800a235c8b17a447e103782f488801577d", kill_on_drop: false }`
[INFO] [stderr]    Compiling kodama v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "0b84d74c3dad1afff01951758317ba800a235c8b17a447e103782f488801577d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b84d74c3dad1afff01951758317ba800a235c8b17a447e103782f488801577d", kill_on_drop: false }`
[INFO] [stdout] 0b84d74c3dad1afff01951758317ba800a235c8b17a447e103782f488801577d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6adbee80f91bdc2fc899ef3583cd9073101149cce26c38775341a2d18ce339d7
[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" "6adbee80f91bdc2fc899ef3583cd9073101149cce26c38775341a2d18ce339d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling kodama v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "6adbee80f91bdc2fc899ef3583cd9073101149cce26c38775341a2d18ce339d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adbee80f91bdc2fc899ef3583cd9073101149cce26c38775341a2d18ce339d7", kill_on_drop: false }`
[INFO] [stdout] 6adbee80f91bdc2fc899ef3583cd9073101149cce26c38775341a2d18ce339d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78e6cf8b91038792103465b3ad6a2c43f06935abd85e18c2623c1090075f410b
[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" "78e6cf8b91038792103465b3ad6a2c43f06935abd85e18c2623c1090075f410b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kodama-e04e78beae3f4670
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test active::tests::iter_range ... ok
[INFO] [stdout] test active::tests::contains ... ok
[INFO] [stdout] test active::tests::iter ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_weighted_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_complete_nnchain ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_single_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_ward_primitive ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_complete_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_weighted_nnchain ... ok
[INFO] [stdout] test primitive::tests::argmin_zero ... ok
[INFO] [stdout] test primitive::tests::argmin_smallest ... ok
[INFO] [stdout] test primitive::tests::argmin_simple ... ok
[INFO] [stdout] test queue::tests::empty ... ok
[INFO] [stdout] test queue::tests::simple ... ok
[INFO] [stdout] test queue::tests::two ... ok
[INFO] [stdout] test queue::tests::one ... ok
[INFO] [stdout] test chain::tests::prop_nnchain_average_primitive ... ok
[INFO] [stdout] test queue::tests::prop_heapify_heap_invariant ... ok
[INFO] [stdout] test union::tests::find_with_unions ... ok
[INFO] [stdout] test generic::tests::prop_generic_median_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_single_nnchain ... ok
[INFO] [stdout] test union::tests::find_with_unions_all_at_once ... ok
[INFO] [stdout] test generic::tests::prop_generic_centroid_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_average_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_ward_primitive ... ok
[INFO] [stdout] test union::tests::trivial_find ... ok
[INFO] [stdout] test queue::tests::prop_heap_invariant ... ok
[INFO] [stdout] test union::tests::relabel ... ok
[INFO] [stdout] test union::tests::union_is_idempotent ... ok
[INFO] [stdout] test generic::tests::prop_generic_average_nnchain ... ok
[INFO] [stdout] test generic::tests::prop_generic_single_primitive ... ok
[INFO] [stdout] test spanning::tests::prop_mst_generic ... ok
[INFO] [stdout] test spanning::tests::prop_mst_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_ward_nnchain ... ok
[INFO] [stdout] test generic::tests::prop_generic_complete_primitive ... ok
[INFO] [stdout] test generic::tests::prop_generic_weighted_primitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kodama
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 138) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78e6cf8b91038792103465b3ad6a2c43f06935abd85e18c2623c1090075f410b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e6cf8b91038792103465b3ad6a2c43f06935abd85e18c2623c1090075f410b", kill_on_drop: false }`
[INFO] [stdout] 78e6cf8b91038792103465b3ad6a2c43f06935abd85e18c2623c1090075f410b