[INFO] fetching crate sass-rocket-fairing 0.1.0...
[INFO] testing sass-rocket-fairing-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sass-rocket-fairing 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sass-rocket-fairing 0.1.0 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 sass-rocket-fairing 0.1.0
[INFO] finished tweaking crates.io crate sass-rocket-fairing 0.1.0
[INFO] tweaked toml for crates.io crate sass-rocket-fairing 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sass-rocket-fairing 0.1.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 33f3812a60434284848ed3d1b92ca4fc7cc2f5c7e2490dc2665426c00c0fa094
[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" "33f3812a60434284848ed3d1b92ca4fc7cc2f5c7e2490dc2665426c00c0fa094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f3812a60434284848ed3d1b92ca4fc7cc2f5c7e2490dc2665426c00c0fa094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f3812a60434284848ed3d1b92ca4fc7cc2f5c7e2490dc2665426c00c0fa094", kill_on_drop: false }`
[INFO] [stdout] 33f3812a60434284848ed3d1b92ca4fc7cc2f5c7e2490dc2665426c00c0fa094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] eab6fec8c687b1024512c4ecf0db8c101c1e8b50496a72d0e23b032b5d170b66
[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" "eab6fec8c687b1024512c4ecf0db8c101c1e8b50496a72d0e23b032b5d170b66", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling normpath v0.3.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling sass-sys v0.4.22
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.50/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=79cdbf2c5941cd0c -C extra-filename=-79cdbf2c5941cd0c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-283fad16493adf62.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cf6158c23ff62a4c.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b47821fec06c7d58.rlib --extern proc_macro --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" "eab6fec8c687b1024512c4ecf0db8c101c1e8b50496a72d0e23b032b5d170b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab6fec8c687b1024512c4ecf0db8c101c1e8b50496a72d0e23b032b5d170b66", kill_on_drop: false }`
[INFO] [stdout] eab6fec8c687b1024512c4ecf0db8c101c1e8b50496a72d0e23b032b5d170b66