[INFO] fetching crate ncspot 0.8.2...
[INFO] testing ncspot-0.8.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ncspot 0.8.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ncspot 0.8.2 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 ncspot 0.8.2
[INFO] finished tweaking crates.io crate ncspot 0.8.2
[INFO] tweaked toml for crates.io crate ncspot 0.8.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ncspot 0.8.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.129
[INFO] [stderr]   Downloaded zbus_macros v1.9.1
[INFO] [stderr]   Downloaded librespot-protocol v0.2.0
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded aes-ctr v0.6.0
[INFO] [stderr]   Downloaded librespot-audio v0.2.0
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded ndk-glue v0.4.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded clang-sys v1.2.1
[INFO] [stderr]   Downloaded hyper-proxy v0.9.1
[INFO] [stderr]   Downloaded num-bigint v0.4.1
[INFO] [stderr]   Downloaded libpulse-sys v1.19.1
[INFO] [stderr]   Downloaded dbus-tree v0.9.1
[INFO] [stderr]   Downloaded libpulse-binding v2.24.0
[INFO] [stderr]   Downloaded x11-clipboard v0.3.3
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded pbkdf2 v0.8.0
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded xi-unicode v0.3.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded zbus v1.9.1
[INFO] [stderr]   Downloaded shannon v0.2.0
[INFO] [stderr]   Downloaded librespot-playback v0.2.0
[INFO] [stderr]   Downloaded dbus v0.9.3
[INFO] [stderr]   Downloaded portaudio-sys v0.1.1
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded cursive v0.16.3
[INFO] [stderr]   Downloaded ahash v0.6.3
[INFO] [stderr]   Downloaded zvariant_derive v2.8.0
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded tokio v1.10.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded cursive_core v0.2.2
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded portaudio-rs v0.3.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded security-framework-sys v2.4.0
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded zvariant v2.8.0
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded ioctl-rs v0.2.0
[INFO] [stderr]   Downloaded libpulse-simple-sys v1.19.0
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded librespot-core v0.2.0
[INFO] [stderr]   Downloaded libpulse-simple-binding v2.24.0
[INFO] [stderr]   Downloaded priority-queue v1.1.1
[INFO] [stderr]   Downloaded oboe-sys v0.4.4
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded oboe v0.4.4
[INFO] [stderr]   Downloaded platform-dirs v0.3.0
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.14.0
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.14.0
[INFO] [stderr]   Downloaded rspotify v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.129
[INFO] [stderr]   Downloaded librespot-metadata v0.2.0
[INFO] [stderr]   Downloaded rodio v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ab3e88fa517c4c32f7f19d625cb40d4b1fc59a906b75803a5a3c7fa1bf741797
[INFO] running `Command { std: "docker" "start" "-a" "ab3e88fa517c4c32f7f19d625cb40d4b1fc59a906b75803a5a3c7fa1bf741797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3e88fa517c4c32f7f19d625cb40d4b1fc59a906b75803a5a3c7fa1bf741797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3e88fa517c4c32f7f19d625cb40d4b1fc59a906b75803a5a3c7fa1bf741797", kill_on_drop: false }`
[INFO] [stdout] ab3e88fa517c4c32f7f19d625cb40d4b1fc59a906b75803a5a3c7fa1bf741797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7bf857c3f08f823df20a7c9c6a2e09fb9dc01f289d119b049097e962406be95
[INFO] running `Command { std: "docker" "start" "-a" "e7bf857c3f08f823df20a7c9c6a2e09fb9dc01f289d119b049097e962406be95", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling libpulse-sys v1.19.1
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]    Compiling priority-queue v1.1.1
[INFO] [stderr]    Compiling libpulse-simple-sys v1.19.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling shannon v0.2.0
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling dbus v0.9.3
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling platform-dirs v0.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a9ae32e0af4aacf6 -C extra-filename=-a9ae32e0af4aacf6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4dc40f94662accb2.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bcc097ad0ad2427e.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-db8f1174cd903021.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e7bf857c3f08f823df20a7c9c6a2e09fb9dc01f289d119b049097e962406be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bf857c3f08f823df20a7c9c6a2e09fb9dc01f289d119b049097e962406be95", kill_on_drop: false }`
[INFO] [stdout] e7bf857c3f08f823df20a7c9c6a2e09fb9dc01f289d119b049097e962406be95