[INFO] fetching crate may_queue 0.1.8...
[INFO] testing may_queue-0.1.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate may_queue 0.1.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate may_queue 0.1.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may_queue 0.1.8
[INFO] finished tweaking crates.io crate may_queue 0.1.8
[INFO] tweaked toml for crates.io crate may_queue 0.1.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 775984b9477db3e619ea1a56752aa33e0cbae6cb3a45c7f057c0bf5445b23489
[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" "775984b9477db3e619ea1a56752aa33e0cbae6cb3a45c7f057c0bf5445b23489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775984b9477db3e619ea1a56752aa33e0cbae6cb3a45c7f057c0bf5445b23489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775984b9477db3e619ea1a56752aa33e0cbae6cb3a45c7f057c0bf5445b23489", kill_on_drop: false }`
[INFO] [stdout] 775984b9477db3e619ea1a56752aa33e0cbae6cb3a45c7f057c0bf5445b23489
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6adfcd146c3c4556fd6fb3ed53720b24b811578c63bf701f77434eee2df57931
[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" "6adfcd146c3c4556fd6fb3ed53720b24b811578c63bf701f77434eee2df57931", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling may_queue v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "6adfcd146c3c4556fd6fb3ed53720b24b811578c63bf701f77434eee2df57931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adfcd146c3c4556fd6fb3ed53720b24b811578c63bf701f77434eee2df57931", kill_on_drop: false }`
[INFO] [stdout] 6adfcd146c3c4556fd6fb3ed53720b24b811578c63bf701f77434eee2df57931
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f59c383b0ea3991cea3fc3fa04d470415184518643ab889d2513d7378205f1
[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" "e9f59c383b0ea3991cea3fc3fa04d470415184518643ab889d2513d7378205f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling may_queue v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "e9f59c383b0ea3991cea3fc3fa04d470415184518643ab889d2513d7378205f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f59c383b0ea3991cea3fc3fa04d470415184518643ab889d2513d7378205f1", kill_on_drop: false }`
[INFO] [stdout] e9f59c383b0ea3991cea3fc3fa04d470415184518643ab889d2513d7378205f1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1355df95619fedd39413c1a60dfab270a6460e06642a31e57d7cb3e5262894ef
[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" "1355df95619fedd39413c1a60dfab270a6460e06642a31e57d7cb3e5262894ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/may_queue-41a63581df40d63e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test block_node::tests::block_node_sanity ... ok
[INFO] [stdout] test mpsc_list::tests::test_queue ... ok
[INFO] [stdout] test spsc::tests::queue_sanity ... ok
[INFO] [stdout] test mpsc_list::tests::test ... ok
[INFO] [stdout] test spsc::tests::bulk_pop_test ... ok
[INFO] [stdout] test mpsc_list_v1::tests::test_queue ... ok
[INFO] [stderr]    Doc-tests may_queue
[INFO] [stdout] test mpsc_list_v1::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1355df95619fedd39413c1a60dfab270a6460e06642a31e57d7cb3e5262894ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1355df95619fedd39413c1a60dfab270a6460e06642a31e57d7cb3e5262894ef", kill_on_drop: false }`
[INFO] [stdout] 1355df95619fedd39413c1a60dfab270a6460e06642a31e57d7cb3e5262894ef