[INFO] fetching crate dtn7 0.11.0...
[INFO] documenting dtn7-0.11.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate dtn7 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dtn7 0.11.0 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 dtn7 0.11.0
[INFO] finished tweaking crates.io crate dtn7 0.11.0
[INFO] tweaked toml for crates.io crate dtn7 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dtn7 0.11.0 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] 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" "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] 08a79494d532b8d4aaf70acfc5ae3c55122cb3da1503120125cd6ac58ce648f1
[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" "08a79494d532b8d4aaf70acfc5ae3c55122cb3da1503120125cd6ac58ce648f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a79494d532b8d4aaf70acfc5ae3c55122cb3da1503120125cd6ac58ce648f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a79494d532b8d4aaf70acfc5ae3c55122cb3da1503120125cd6ac58ce648f1", kill_on_drop: false }`
[INFO] [stdout] 08a79494d532b8d4aaf70acfc5ae3c55122cb3da1503120125cd6ac58ce648f1
[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" "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] 7c851ae21c4d02a8f0c9dee06d45dfc242563a28a760e01746496add34644fb1
[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" "7c851ae21c4d02a8f0c9dee06d45dfc242563a28a760e01746496add34644fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking smaz v0.1.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking attohttpc v0.12.0
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.37
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[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-0.1.37/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=d1ee97f12e4f5581 -C extra-filename=-d1ee97f12e4f5581 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c893c47f7fec5f12.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-05588c6760812b69.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e14487e4c154cd95.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" "7c851ae21c4d02a8f0c9dee06d45dfc242563a28a760e01746496add34644fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c851ae21c4d02a8f0c9dee06d45dfc242563a28a760e01746496add34644fb1", kill_on_drop: false }`
[INFO] [stdout] 7c851ae21c4d02a8f0c9dee06d45dfc242563a28a760e01746496add34644fb1
