[INFO] fetching crate perfrecord-mach-ipc-rendezvous 0.2.0...
[INFO] testing perfrecord-mach-ipc-rendezvous-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate perfrecord-mach-ipc-rendezvous 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate perfrecord-mach-ipc-rendezvous 0.2.0 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 perfrecord-mach-ipc-rendezvous 0.2.0
[INFO] finished tweaking crates.io crate perfrecord-mach-ipc-rendezvous 0.2.0
[INFO] tweaked toml for crates.io crate perfrecord-mach-ipc-rendezvous 0.2.0 written to /workspace/builds/worker-0/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] 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2b91ee12720ac8e14fcea581f9e6bfbf4e3ef81346387185cdcb4a8adfbfae9
[INFO] running `Command { std: "docker" "start" "-a" "f2b91ee12720ac8e14fcea581f9e6bfbf4e3ef81346387185cdcb4a8adfbfae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b91ee12720ac8e14fcea581f9e6bfbf4e3ef81346387185cdcb4a8adfbfae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b91ee12720ac8e14fcea581f9e6bfbf4e3ef81346387185cdcb4a8adfbfae9", kill_on_drop: false }`
[INFO] [stdout] f2b91ee12720ac8e14fcea581f9e6bfbf4e3ef81346387185cdcb4a8adfbfae9
[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" "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] 062c069aa61c3b5ce0441f2daada8fd29de4dc71ad8d91ed2d923df348fbdafe
[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" "062c069aa61c3b5ce0441f2daada8fd29de4dc71ad8d91ed2d923df348fbdafe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling perfrecord-mach-ipc-rendezvous v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "062c069aa61c3b5ce0441f2daada8fd29de4dc71ad8d91ed2d923df348fbdafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062c069aa61c3b5ce0441f2daada8fd29de4dc71ad8d91ed2d923df348fbdafe", kill_on_drop: false }`
[INFO] [stdout] 062c069aa61c3b5ce0441f2daada8fd29de4dc71ad8d91ed2d923df348fbdafe
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80b3c7e0a849c2642f4bdbd02aed8061cf6c8ecabe633e947d647d8f89b96ae5
[INFO] running `Command { std: "docker" "start" "-a" "80b3c7e0a849c2642f4bdbd02aed8061cf6c8ecabe633e947d647d8f89b96ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling perfrecord-mach-ipc-rendezvous v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "80b3c7e0a849c2642f4bdbd02aed8061cf6c8ecabe633e947d647d8f89b96ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b3c7e0a849c2642f4bdbd02aed8061cf6c8ecabe633e947d647d8f89b96ae5", kill_on_drop: false }`
[INFO] [stdout] 80b3c7e0a849c2642f4bdbd02aed8061cf6c8ecabe633e947d647d8f89b96ae5
[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" "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] 3e77ac38dcc85abcf9ec43ed48d52249148d84ef36e1aa153bef61482d85e9f4
[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" "3e77ac38dcc85abcf9ec43ed48d52249148d84ef36e1aa153bef61482d85e9f4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perfrecord_mach_ipc_rendezvous-2040f79fe74f2ff0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perfrecord-mach-ipc-rendezvous
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "3e77ac38dcc85abcf9ec43ed48d52249148d84ef36e1aa153bef61482d85e9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e77ac38dcc85abcf9ec43ed48d52249148d84ef36e1aa153bef61482d85e9f4", kill_on_drop: false }`
[INFO] [stdout] 3e77ac38dcc85abcf9ec43ed48d52249148d84ef36e1aa153bef61482d85e9f4