[INFO] crate spotifyd 0.2.24 is already in cache
[INFO] testing spotifyd-0.2.24 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate spotifyd 0.2.24 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spotifyd 0.2.24 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spotifyd 0.2.24
[INFO] finished tweaking crates.io crate spotifyd 0.2.24
[INFO] tweaked toml for crates.io crate spotifyd 0.2.24 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate spotifyd 0.2.24 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57e207d263d90db46c8453fa17d79ee21eb656357eaf59f46905d8de91646757
[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" "57e207d263d90db46c8453fa17d79ee21eb656357eaf59f46905d8de91646757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e207d263d90db46c8453fa17d79ee21eb656357eaf59f46905d8de91646757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e207d263d90db46c8453fa17d79ee21eb656357eaf59f46905d8de91646757", kill_on_drop: false }`
[INFO] [stdout] 57e207d263d90db46c8453fa17d79ee21eb656357eaf59f46905d8de91646757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1abb6b5515e47ddacac2521d3a699ca74f3dac072feef76de58517ab2945e1f
[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" "e1abb6b5515e47ddacac2521d3a699ca74f3dac072feef76de58517ab2945e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling protobuf v2.10.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling webbrowser v0.5.2
[INFO] [stderr]    Compiling whoami v0.7.0
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling librespot-tremor v0.1.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling ogg-sys v0.0.9
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling rpassword v3.0.2
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling shannon v0.2.0
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling stream-cipher v0.3.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling block-modes v0.3.3
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling alsa v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling syslog v4.0.1
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling alsa v0.2.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-process v0.2.4
[INFO] [stderr] error: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=954de585e1397ad1 -C extra-filename=-954de585e1397ad1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-f044afbbc3ed8064.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1c8cd06d03ec2d01.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-179b18ceb2cbc452.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-f1b45d912052481f.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-c7769a7a0871cafe.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" "e1abb6b5515e47ddacac2521d3a699ca74f3dac072feef76de58517ab2945e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1abb6b5515e47ddacac2521d3a699ca74f3dac072feef76de58517ab2945e1f", kill_on_drop: false }`
[INFO] [stdout] e1abb6b5515e47ddacac2521d3a699ca74f3dac072feef76de58517ab2945e1f