[INFO] fetching crate may_queue 0.1.7...
[INFO] testing may_queue-0.1.7 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate may_queue 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate may_queue 0.1.7 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may_queue 0.1.7
[INFO] finished tweaking crates.io crate may_queue 0.1.7
[INFO] tweaked toml for crates.io crate may_queue 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d684d9f14db0d8beef4ec1a41070499c9a3194e3183b1427469163e9b5590179
[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" "d684d9f14db0d8beef4ec1a41070499c9a3194e3183b1427469163e9b5590179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d684d9f14db0d8beef4ec1a41070499c9a3194e3183b1427469163e9b5590179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d684d9f14db0d8beef4ec1a41070499c9a3194e3183b1427469163e9b5590179", kill_on_drop: false }`
[INFO] [stdout] d684d9f14db0d8beef4ec1a41070499c9a3194e3183b1427469163e9b5590179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e153f648e76720e6307c86b5b1a00b49bee12212e1d010d64f3281714779dc
[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" "50e153f648e76720e6307c86b5b1a00b49bee12212e1d010d64f3281714779dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling may_queue v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "50e153f648e76720e6307c86b5b1a00b49bee12212e1d010d64f3281714779dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e153f648e76720e6307c86b5b1a00b49bee12212e1d010d64f3281714779dc", kill_on_drop: false }`
[INFO] [stdout] 50e153f648e76720e6307c86b5b1a00b49bee12212e1d010d64f3281714779dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afac57916bb10e26c45ab3a41143d3ad84fdaa92cda5fe072055a4dbe7f81cec
[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" "afac57916bb10e26c45ab3a41143d3ad84fdaa92cda5fe072055a4dbe7f81cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling may_queue v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "afac57916bb10e26c45ab3a41143d3ad84fdaa92cda5fe072055a4dbe7f81cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afac57916bb10e26c45ab3a41143d3ad84fdaa92cda5fe072055a4dbe7f81cec", kill_on_drop: false }`
[INFO] [stdout] afac57916bb10e26c45ab3a41143d3ad84fdaa92cda5fe072055a4dbe7f81cec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 17da1b092b9782ecf1bfba2a75ae238bf2a417396ec5d16fa6374e2dd244ea46
[INFO] running `Command { std: "docker" "start" "-a" "17da1b092b9782ecf1bfba2a75ae238bf2a417396ec5d16fa6374e2dd244ea46", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/may_queue-8eeaa8c6baa8efa2
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test mpsc_list::tests::test_queue ... ok
[INFO] [stdout] test spsc::bench::spsc_peek ... ok
[INFO] [stdout] test spsc::tests::bulk_pop_test ... ok
[INFO] [stdout] test spsc::bench::single_thread_test ... ok
[INFO] [stdout] test block_node::tests::block_node_sanity ... ok
[INFO] [stdout] test spsc::tests::queue_sanity ... ok
[INFO] [stdout] test mpsc_list_v1::tests::test_queue ... ok
[INFO] [stdout] test mpsc_list::tests::test ... ok
[INFO] [stdout] test mpsc_list_v1::tests::test ... ok
[INFO] [stdout] test spsc::bench::multi_1p1c_test ... ok
[INFO] [stdout] test spsc::bench::bulk_pop_1p1c_bench ... ok
[INFO] [stdout] test mpmc_bounded::bench::bounded_mpmc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests may_queue
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17da1b092b9782ecf1bfba2a75ae238bf2a417396ec5d16fa6374e2dd244ea46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17da1b092b9782ecf1bfba2a75ae238bf2a417396ec5d16fa6374e2dd244ea46", kill_on_drop: false }`
[INFO] [stdout] 17da1b092b9782ecf1bfba2a75ae238bf2a417396ec5d16fa6374e2dd244ea46