[INFO] fetching crate nng 1.0.0-rc.2...
[INFO] testing nng-1.0.0-rc.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nng 1.0.0-rc.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nng 1.0.0-rc.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nng 1.0.0-rc.2
[INFO] finished tweaking crates.io crate nng 1.0.0-rc.2
[INFO] tweaked toml for crates.io crate nng 1.0.0-rc.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate nng 1.0.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 363447b0f8ce00c9d3cbbbfc04a2895fab9bfe4ea7deaa1a9566973bc5b118bd
[INFO] running `Command { std: "docker" "start" "-a" "363447b0f8ce00c9d3cbbbfc04a2895fab9bfe4ea7deaa1a9566973bc5b118bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363447b0f8ce00c9d3cbbbfc04a2895fab9bfe4ea7deaa1a9566973bc5b118bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363447b0f8ce00c9d3cbbbfc04a2895fab9bfe4ea7deaa1a9566973bc5b118bd", kill_on_drop: false }`
[INFO] [stdout] 363447b0f8ce00c9d3cbbbfc04a2895fab9bfe4ea7deaa1a9566973bc5b118bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18240ac7a0cc2fe9d18843c78149b64475ce11c98688de3df53f28ef05f2ef2
[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" "f18240ac7a0cc2fe9d18843c78149b64475ce11c98688de3df53f28ef05f2ef2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling nng-sys v1.2.4-rc.1
[INFO] [stderr]    Compiling nng v1.0.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.47s
[INFO] running `Command { std: "docker" "inspect" "f18240ac7a0cc2fe9d18843c78149b64475ce11c98688de3df53f28ef05f2ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18240ac7a0cc2fe9d18843c78149b64475ce11c98688de3df53f28ef05f2ef2", kill_on_drop: false }`
[INFO] [stdout] f18240ac7a0cc2fe9d18843c78149b64475ce11c98688de3df53f28ef05f2ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f3e5d49d512fb50b565d3fc649a3cc4177da30c188d85976cf3e2117f801e3d
[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" "3f3e5d49d512fb50b565d3fc649a3cc4177da30c188d85976cf3e2117f801e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nng v1.0.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "3f3e5d49d512fb50b565d3fc649a3cc4177da30c188d85976cf3e2117f801e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3e5d49d512fb50b565d3fc649a3cc4177da30c188d85976cf3e2117f801e3d", kill_on_drop: false }`
[INFO] [stdout] 3f3e5d49d512fb50b565d3fc649a3cc4177da30c188d85976cf3e2117f801e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc5fc51f85cf1bb8775308fbe00fee0f220e3bca860032d3aad702621d2e6d78
[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" "dc5fc51f85cf1bb8775308fbe00fee0f220e3bca860032d3aad702621d2e6d78", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nng-b031e40eaf27eb11
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nng
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/options/mod.rs - options::Options (line 35) ... ok
[INFO] [stdout] test src/aio.rs - aio::Aio (line 41) ... ok
[INFO] [stdout] test src/options/mod.rs - options::Options (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc5fc51f85cf1bb8775308fbe00fee0f220e3bca860032d3aad702621d2e6d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5fc51f85cf1bb8775308fbe00fee0f220e3bca860032d3aad702621d2e6d78", kill_on_drop: false }`
[INFO] [stdout] dc5fc51f85cf1bb8775308fbe00fee0f220e3bca860032d3aad702621d2e6d78