[INFO] fetching crate stakker_mio 0.2.3...
[INFO] testing stakker_mio-0.2.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate stakker_mio 0.2.3 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate stakker_mio 0.2.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-16/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c354d0159461db7c2718a2f91b117caa8d5e4f01470417e8d3dbc65da92ac391
[INFO] running `Command { std: "docker" "start" "-a" "c354d0159461db7c2718a2f91b117caa8d5e4f01470417e8d3dbc65da92ac391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c354d0159461db7c2718a2f91b117caa8d5e4f01470417e8d3dbc65da92ac391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c354d0159461db7c2718a2f91b117caa8d5e4f01470417e8d3dbc65da92ac391", kill_on_drop: false }`
[INFO] [stdout] c354d0159461db7c2718a2f91b117caa8d5e4f01470417e8d3dbc65da92ac391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] effcbc8edb8d152949e49a7e205463dd847e60f5537c15aa461917d724f412f8
[INFO] running `Command { std: "docker" "start" "-a" "effcbc8edb8d152949e49a7e205463dd847e60f5537c15aa461917d724f412f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling qcell v0.4.3
[INFO] [stderr]    Compiling stakker v0.2.4
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling stakker_mio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "effcbc8edb8d152949e49a7e205463dd847e60f5537c15aa461917d724f412f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effcbc8edb8d152949e49a7e205463dd847e60f5537c15aa461917d724f412f8", kill_on_drop: false }`
[INFO] [stdout] effcbc8edb8d152949e49a7e205463dd847e60f5537c15aa461917d724f412f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abf6c99aaeda2a442960c93a7480f6b64229da419d2c71b55f65dd142917e32
[INFO] running `Command { std: "docker" "start" "-a" "6abf6c99aaeda2a442960c93a7480f6b64229da419d2c71b55f65dd142917e32", kill_on_drop: false }`
[INFO] [stderr]    Compiling stakker_mio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "6abf6c99aaeda2a442960c93a7480f6b64229da419d2c71b55f65dd142917e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abf6c99aaeda2a442960c93a7480f6b64229da419d2c71b55f65dd142917e32", kill_on_drop: false }`
[INFO] [stdout] 6abf6c99aaeda2a442960c93a7480f6b64229da419d2c71b55f65dd142917e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81249fa86895cf9df077a82578af0184bdec07a7dff8f8d60a8f17c9f1f66cea
[INFO] running `Command { std: "docker" "start" "-a" "81249fa86895cf9df077a82578af0184bdec07a7dff8f8d60a8f17c9f1f66cea", 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-168dc7bba469b3db)
[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/udpqueue.rs - udpqueue::UdpQueue (line 17) - compile ... ok
[INFO] [stdout] test src/udpserverqueue.rs - udpserverqueue::UdpServerQueue (line 21) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81249fa86895cf9df077a82578af0184bdec07a7dff8f8d60a8f17c9f1f66cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81249fa86895cf9df077a82578af0184bdec07a7dff8f8d60a8f17c9f1f66cea", kill_on_drop: false }`
[INFO] [stdout] 81249fa86895cf9df077a82578af0184bdec07a7dff8f8d60a8f17c9f1f66cea