[INFO] fetching crate spmc 0.3.0...
[INFO] testing spmc-0.3.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate spmc 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spmc 0.3.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spmc 0.3.0
[INFO] finished tweaking crates.io crate spmc 0.3.0
[INFO] tweaked toml for crates.io crate spmc 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e80a08b87bf9cd9203c44a2281d325ff6d3cdb123286d819354fba92f3f20e
[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" "c1e80a08b87bf9cd9203c44a2281d325ff6d3cdb123286d819354fba92f3f20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e80a08b87bf9cd9203c44a2281d325ff6d3cdb123286d819354fba92f3f20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e80a08b87bf9cd9203c44a2281d325ff6d3cdb123286d819354fba92f3f20e", kill_on_drop: false }`
[INFO] [stdout] c1e80a08b87bf9cd9203c44a2281d325ff6d3cdb123286d819354fba92f3f20e
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] caedfccc27a8e704cb518d2c51428a027b6853efddf9eba0f7299a1fd17ffb0d
[INFO] running `Command { std: "docker" "start" "-a" "caedfccc27a8e704cb518d2c51428a027b6853efddf9eba0f7299a1fd17ffb0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling spmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "caedfccc27a8e704cb518d2c51428a027b6853efddf9eba0f7299a1fd17ffb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caedfccc27a8e704cb518d2c51428a027b6853efddf9eba0f7299a1fd17ffb0d", kill_on_drop: false }`
[INFO] [stdout] caedfccc27a8e704cb518d2c51428a027b6853efddf9eba0f7299a1fd17ffb0d
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c292261bdf07acc46ecc91b0096d9bb55054ec19b1bca6fb08276f8ad947c536
[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" "c292261bdf07acc46ecc91b0096d9bb55054ec19b1bca6fb08276f8ad947c536", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generator v0.6.23
[INFO] [stderr]    Compiling loom v0.2.15
[INFO] [stderr]    Compiling spmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.91s
[INFO] running `Command { std: "docker" "inspect" "c292261bdf07acc46ecc91b0096d9bb55054ec19b1bca6fb08276f8ad947c536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c292261bdf07acc46ecc91b0096d9bb55054ec19b1bca6fb08276f8ad947c536", kill_on_drop: false }`
[INFO] [stdout] c292261bdf07acc46ecc91b0096d9bb55054ec19b1bca6fb08276f8ad947c536
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45a519b123259f624848963036bfdbbbd68103743782431692ca390a1501ca9f
[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" "45a519b123259f624848963036bfdbbbd68103743782431692ca390a1501ca9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spmc-58ec78b9ff8d5e02
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::msgs_dropped ... ok
[INFO] [stdout] test tests::test_multiple_consumers ... ok
[INFO] [stdout] test tests::test_send_on_dropped_chan ... ok
[INFO] [stdout] test tests::test_try_recv_on_dropped_chan ... ok
[INFO] [stdout] test tests::test_recv_unblocks_on_dropped_chan ... ok
[INFO] [stdout] test tests::msg_dropped ... ok
[INFO] [stdout] test tests::test_sanity ... ok
[INFO] [stdout] test tests::test_recv_blocks ... ok
[INFO] [stdout] test tests::test_tx_dropped_rxs_drain ... ok
[INFO] [stdout] test tests::test_send_sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fuzz-5902818d628aee14
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test no_send ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test message_per_thread ... test message_per_thread has been running for over 60 seconds
[INFO] [stdout] test multiple_threads_race ... test multiple_threads_race has been running for over 60 seconds
[INFO] [stdout] test extra_message ... test extra_message has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "45a519b123259f624848963036bfdbbbd68103743782431692ca390a1501ca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a519b123259f624848963036bfdbbbd68103743782431692ca390a1501ca9f", kill_on_drop: false }`
[INFO] [stdout] 45a519b123259f624848963036bfdbbbd68103743782431692ca390a1501ca9f