[INFO] fetching crate throttle-server 0.3.12...
[INFO] documenting throttle-server-0.3.12 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate throttle-server 0.3.12 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate throttle-server 0.3.12 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate throttle-server 0.3.12
[INFO] finished tweaking crates.io crate throttle-server 0.3.12
[INFO] tweaked toml for crates.io crate throttle-server 0.3.12 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate throttle-server 0.3.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d15c0ccb42fc2239f89d586290f097b4ede84c8da2423a2b06383885b52a41
[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" "e9d15c0ccb42fc2239f89d586290f097b4ede84c8da2423a2b06383885b52a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d15c0ccb42fc2239f89d586290f097b4ede84c8da2423a2b06383885b52a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d15c0ccb42fc2239f89d586290f097b4ede84c8da2423a2b06383885b52a41", kill_on_drop: false }`
[INFO] [stdout] e9d15c0ccb42fc2239f89d586290f097b4ede84c8da2423a2b06383885b52a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1225ba218157b564b77a07cc98598645b849f04e3c7067de52f73a768b3006
[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" "bc1225ba218157b564b77a07cc98598645b849f04e3c7067de52f73a768b3006", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling libdeflater v0.2.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.32
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[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-0.1.32/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=dcebef7f1b72250d -C extra-filename=-dcebef7f1b72250d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f7724ea5db4d40ba.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d7439c06467f5361.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-1221d87a868a8e7d.rlib --extern proc_macro --cap-lints allow` (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" "bc1225ba218157b564b77a07cc98598645b849f04e3c7067de52f73a768b3006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1225ba218157b564b77a07cc98598645b849f04e3c7067de52f73a768b3006", kill_on_drop: false }`
[INFO] [stdout] bc1225ba218157b564b77a07cc98598645b849f04e3c7067de52f73a768b3006
