[INFO] fetching crate stakker_mio 0.2.3...
[INFO] testing stakker_mio-0.2.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate stakker_mio 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stakker_mio 0.2.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stakker_mio 0.2.3
[INFO] finished tweaking crates.io crate stakker_mio 0.2.3
[INFO] tweaked toml for crates.io crate stakker_mio 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate stakker_mio 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fdca33fcf10229744fd3f162978bc4193fa26532f48f487e3719a0d4fb7e9d1
[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" "7fdca33fcf10229744fd3f162978bc4193fa26532f48f487e3719a0d4fb7e9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fdca33fcf10229744fd3f162978bc4193fa26532f48f487e3719a0d4fb7e9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdca33fcf10229744fd3f162978bc4193fa26532f48f487e3719a0d4fb7e9d1", kill_on_drop: false }`
[INFO] [stdout] 7fdca33fcf10229744fd3f162978bc4193fa26532f48f487e3719a0d4fb7e9d1
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca8b4994c714d496e859c65b57b2524ae5d45c412e9c1d47a0d128ebd99ac915
[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" "ca8b4994c714d496e859c65b57b2524ae5d45c412e9c1d47a0d128ebd99ac915", kill_on_drop: false }`
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling qcell v0.4.3
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling stakker v0.2.4
[INFO] [stderr]    Compiling stakker_mio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "ca8b4994c714d496e859c65b57b2524ae5d45c412e9c1d47a0d128ebd99ac915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8b4994c714d496e859c65b57b2524ae5d45c412e9c1d47a0d128ebd99ac915", kill_on_drop: false }`
[INFO] [stdout] ca8b4994c714d496e859c65b57b2524ae5d45c412e9c1d47a0d128ebd99ac915
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] ed8bdae70aeb824f8032baed0ea96b288137803c60bbf0d525175777f02d0c87
[INFO] running `Command { std: "docker" "start" "-a" "ed8bdae70aeb824f8032baed0ea96b288137803c60bbf0d525175777f02d0c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakker_mio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "ed8bdae70aeb824f8032baed0ea96b288137803c60bbf0d525175777f02d0c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8bdae70aeb824f8032baed0ea96b288137803c60bbf0d525175777f02d0c87", kill_on_drop: false }`
[INFO] [stdout] ed8bdae70aeb824f8032baed0ea96b288137803c60bbf0d525175777f02d0c87
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36cb231aac85757119caf1e91ed1bf39d920231573736be4e9772429fb5dbb7c
[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" "36cb231aac85757119caf1e91ed1bf39d920231573736be4e9772429fb5dbb7c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stakker_mio-e4f03b09092104a5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::all_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stakker_mio
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/udpserverqueue.rs - udpserverqueue::UdpServerQueue (line 21) - compile ... ok
[INFO] [stdout] test src/udpqueue.rs - udpqueue::UdpQueue (line 17) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36cb231aac85757119caf1e91ed1bf39d920231573736be4e9772429fb5dbb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cb231aac85757119caf1e91ed1bf39d920231573736be4e9772429fb5dbb7c", kill_on_drop: false }`
[INFO] [stdout] 36cb231aac85757119caf1e91ed1bf39d920231573736be4e9772429fb5dbb7c