[INFO] fetching crate priority-queue 1.0.5...
[INFO] testing priority-queue-1.0.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate priority-queue 1.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate priority-queue 1.0.5 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 priority-queue 1.0.5
[INFO] finished tweaking crates.io crate priority-queue 1.0.5
[INFO] tweaked toml for crates.io crate priority-queue 1.0.5 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] da9e168e9b04bd46cfcb3e3ec43e97d511a07893f30a2a1e0e877a214c866f0d
[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" "da9e168e9b04bd46cfcb3e3ec43e97d511a07893f30a2a1e0e877a214c866f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da9e168e9b04bd46cfcb3e3ec43e97d511a07893f30a2a1e0e877a214c866f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9e168e9b04bd46cfcb3e3ec43e97d511a07893f30a2a1e0e877a214c866f0d", kill_on_drop: false }`
[INFO] [stdout] da9e168e9b04bd46cfcb3e3ec43e97d511a07893f30a2a1e0e877a214c866f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 964a3fa6ae133287d09547420f2e8be60062dfa15598d23f8e2f19371ebaeff5
[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" "964a3fa6ae133287d09547420f2e8be60062dfa15598d23f8e2f19371ebaeff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling priority-queue v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "964a3fa6ae133287d09547420f2e8be60062dfa15598d23f8e2f19371ebaeff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964a3fa6ae133287d09547420f2e8be60062dfa15598d23f8e2f19371ebaeff5", kill_on_drop: false }`
[INFO] [stdout] 964a3fa6ae133287d09547420f2e8be60062dfa15598d23f8e2f19371ebaeff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ce10d5cdf92a193012002d807533e8317e6df2ec2dbd0cc8355211f6fd4de6ad
[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" "ce10d5cdf92a193012002d807533e8317e6df2ec2dbd0cc8355211f6fd4de6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde_test v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling priority-queue v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "ce10d5cdf92a193012002d807533e8317e6df2ec2dbd0cc8355211f6fd4de6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce10d5cdf92a193012002d807533e8317e6df2ec2dbd0cc8355211f6fd4de6ad", kill_on_drop: false }`
[INFO] [stdout] ce10d5cdf92a193012002d807533e8317e6df2ec2dbd0cc8355211f6fd4de6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 491f3adbc90460b92a99369abd0fe6ff0b12d3fabfaccfe725a3f2fb7bb61c73
[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" "491f3adbc90460b92a99369abd0fe6ff0b12d3fabfaccfe725a3f2fb7bb61c73", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/priority_queue-9d6606566516d85b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests priority-queue
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tests::change_priority ... ok
[INFO] [stdout] test tests::change_priority_by ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::from_vec_with_repeated ... ok
[INFO] [stdout] test tests::heap_sort ... ok
[INFO] [stdout] test tests::from_vec ... ok
[INFO] [stdout] test tests::iter_mut ... ok
[INFO] [stdout] test tests::iter_mut1 ... ok
[INFO] [stdout] test tests::iter_mut_empty ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::push_increase ... ok
[INFO] [stdout] test tests::reversed_order ... ok
[INFO] [stdout] test tests::non_default_key ... ok
[INFO] [stdout] test tests::push_update ... ok
[INFO] [stdout] test tests::remove2 ... ok
[INFO] [stdout] test tests::push_pop ... ok
[INFO] [stdout] test tests::remove_one ... ok
[INFO] [stdout] test tests::remove_empty ... ok
[INFO] [stdout] test tests::extend_empty ... ok
[INFO] [stdout] test tests::init ... ok
[INFO] [stdout] test tests::eq ... ok
[INFO] [stdout] test tests::extend ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::change_priority_does_not_change_contents ... ok
[INFO] [stdout] test tests::push_len ... ok
[INFO] [stdout] test tests::into_sorted_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 44) ... 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" "491f3adbc90460b92a99369abd0fe6ff0b12d3fabfaccfe725a3f2fb7bb61c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491f3adbc90460b92a99369abd0fe6ff0b12d3fabfaccfe725a3f2fb7bb61c73", kill_on_drop: false }`
[INFO] [stdout] 491f3adbc90460b92a99369abd0fe6ff0b12d3fabfaccfe725a3f2fb7bb61c73