[INFO] fetching crate dahl-partition 0.5.1...
[INFO] testing dahl-partition-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dahl-partition 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dahl-partition 0.5.1 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 dahl-partition 0.5.1
[INFO] finished tweaking crates.io crate dahl-partition 0.5.1
[INFO] tweaked toml for crates.io crate dahl-partition 0.5.1 written to /workspace/builds/worker-2/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-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" "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] [stdout] e05eab25b2f00b7893aa38fc3dfa1a752700e6ea79f3de943ea0f5fce2c3d3d4
[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" "e05eab25b2f00b7893aa38fc3dfa1a752700e6ea79f3de943ea0f5fce2c3d3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e05eab25b2f00b7893aa38fc3dfa1a752700e6ea79f3de943ea0f5fce2c3d3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05eab25b2f00b7893aa38fc3dfa1a752700e6ea79f3de943ea0f5fce2c3d3d4", kill_on_drop: false }`
[INFO] [stdout] e05eab25b2f00b7893aa38fc3dfa1a752700e6ea79f3de943ea0f5fce2c3d3d4
[INFO] running `Command { std: "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" "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] d77ceb5395338d03fc616d02314ecf5bde5c3a43bbdd6bb83c7774a343216087
[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" "d77ceb5395338d03fc616d02314ecf5bde5c3a43bbdd6bb83c7774a343216087", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling dahl-partition v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "d77ceb5395338d03fc616d02314ecf5bde5c3a43bbdd6bb83c7774a343216087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77ceb5395338d03fc616d02314ecf5bde5c3a43bbdd6bb83c7774a343216087", kill_on_drop: false }`
[INFO] [stdout] d77ceb5395338d03fc616d02314ecf5bde5c3a43bbdd6bb83c7774a343216087
[INFO] running `Command { std: "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" "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] 6abc36db343f0e99379b17a9ea3f36126c349519be7cae56dff37a0f079df79a
[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" "6abc36db343f0e99379b17a9ea3f36126c349519be7cae56dff37a0f079df79a", kill_on_drop: false }`
[INFO] [stderr]    Compiling dahl-partition v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "6abc36db343f0e99379b17a9ea3f36126c349519be7cae56dff37a0f079df79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abc36db343f0e99379b17a9ea3f36126c349519be7cae56dff37a0f079df79a", kill_on_drop: false }`
[INFO] [stdout] 6abc36db343f0e99379b17a9ea3f36126c349519be7cae56dff37a0f079df79a
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9f92f6084e70e68c2f79aa1a9b060096c21c391c669b427637d3fad04370d31
[INFO] running `Command { std: "docker" "start" "-a" "f9f92f6084e70e68c2f79aa1a9b060096c21c391c669b427637d3fad04370d31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.86s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dahl_partition-887a7d10e741b552
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests_iterator::test_sharded ... ok
[INFO] [stdout] test tests_partition::test_canonicalize ... ok
[INFO] [stdout] test tests_subset::test_equality ... ok
[INFO] [stdout] test tests_subset::test_merge ... ok
[INFO] [stdout] test tests_subset::test_add ... ok
[INFO] [stdout] test tests_subset::test_remove ... ok
[INFO] [stdout] test tests_partition::test_complete ... ok
[INFO] [stdout] test tests_partition::test_equality ... ok
[INFO] [stdout] test tests_partition::test_from ... ok
[INFO] [stdout] test tests_partitions_holder::test_partition_holder ... ok
[INFO] [stdout] test tests_iterator::test_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dahl-partition
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Partition::add_with_index (line 306) ... ok
[INFO] [stdout] test src/lib.rs - Partition::add (line 283) ... ok
[INFO] [stdout] test src/lib.rs - Partition::n_subsets (line 189) ... ok
[INFO] [stdout] test src/lib.rs - Partition::canonicalize (line 473) ... ok
[INFO] [stdout] test src/lib.rs - Partition::new (line 39) ... ok
[INFO] [stdout] test src/lib.rs - Partition::new_subset (line 266) ... ok
[INFO] [stdout] test src/lib.rs - Partition::canonicalize_by_permutation (line 493) ... ok
[INFO] [stdout] test src/lib.rs - Partition::remove (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Partition::pop_item (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Partition::remove_with_index (line 383) ... ok
[INFO] [stdout] test src/lib.rs - Partition::pop_subset (line 425) ... ok
[INFO] [stdout] test src/lib.rs - Partition::n_items (line 176) ... ok
[INFO] [stdout] test src/lib.rs - Partition::remove_clean_and_relabel (line 348) ... ok
[INFO] [stdout] test src/lib.rs - Partition::from (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9f92f6084e70e68c2f79aa1a9b060096c21c391c669b427637d3fad04370d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f92f6084e70e68c2f79aa1a9b060096c21c391c669b427637d3fad04370d31", kill_on_drop: false }`
[INFO] [stdout] f9f92f6084e70e68c2f79aa1a9b060096c21c391c669b427637d3fad04370d31