[INFO] fetching crate nng 1.0.0...
[INFO] testing nng-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nng 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nng 1.0.0 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 nng 1.0.0
[INFO] finished tweaking crates.io crate nng 1.0.0
[INFO] tweaked toml for crates.io crate nng 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nng 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 7ff3088e35d0f91cd00b6fcd7dedf6e9c791d14e39017c898a621ee443cfaf0c
[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" "7ff3088e35d0f91cd00b6fcd7dedf6e9c791d14e39017c898a621ee443cfaf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff3088e35d0f91cd00b6fcd7dedf6e9c791d14e39017c898a621ee443cfaf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff3088e35d0f91cd00b6fcd7dedf6e9c791d14e39017c898a621ee443cfaf0c", kill_on_drop: false }`
[INFO] [stdout] 7ff3088e35d0f91cd00b6fcd7dedf6e9c791d14e39017c898a621ee443cfaf0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c2e9b08bbe5e5603ad5357c582455024527200843da056ce9ec1e62781de462f
[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" "c2e9b08bbe5e5603ad5357c582455024527200843da056ce9ec1e62781de462f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling nng-sys v1.4.0-rc.0
[INFO] [stderr]    Compiling nng v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "c2e9b08bbe5e5603ad5357c582455024527200843da056ce9ec1e62781de462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e9b08bbe5e5603ad5357c582455024527200843da056ce9ec1e62781de462f", kill_on_drop: false }`
[INFO] [stdout] c2e9b08bbe5e5603ad5357c582455024527200843da056ce9ec1e62781de462f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4d0819f54219bff32a652ae6c26c1eb4c0aecb224c7df872ae3e471a1e8eac3a
[INFO] running `Command { std: "docker" "start" "-a" "4d0819f54219bff32a652ae6c26c1eb4c0aecb224c7df872ae3e471a1e8eac3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nng v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "4d0819f54219bff32a652ae6c26c1eb4c0aecb224c7df872ae3e471a1e8eac3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0819f54219bff32a652ae6c26c1eb4c0aecb224c7df872ae3e471a1e8eac3a", kill_on_drop: false }`
[INFO] [stdout] 4d0819f54219bff32a652ae6c26c1eb4c0aecb224c7df872ae3e471a1e8eac3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4fd82b85c23677f1c6c3583465252edefe63e000c055ea8d75b6222a12cdcd11
[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" "4fd82b85c23677f1c6c3583465252edefe63e000c055ea8d75b6222a12cdcd11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nng-4c6caa8b94cd4d9c)
[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] [stderr]    Doc-tests nng
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/options/mod.rs - options::Options (line 35) - compile fail ... 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 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fd82b85c23677f1c6c3583465252edefe63e000c055ea8d75b6222a12cdcd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd82b85c23677f1c6c3583465252edefe63e000c055ea8d75b6222a12cdcd11", kill_on_drop: false }`
[INFO] [stdout] 4fd82b85c23677f1c6c3583465252edefe63e000c055ea8d75b6222a12cdcd11