[INFO] fetching crate proximity-db 0.1.1...
[INFO] documenting proximity-db-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate proximity-db 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate proximity-db 0.1.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proximity-db 0.1.1
[INFO] finished tweaking crates.io crate proximity-db 0.1.1
[INFO] tweaked toml for crates.io crate proximity-db 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate proximity-db 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d9aae78622a734b42bf976bcc938015adf7feda79e294ccedbb555507f85126
[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" "1d9aae78622a734b42bf976bcc938015adf7feda79e294ccedbb555507f85126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9aae78622a734b42bf976bcc938015adf7feda79e294ccedbb555507f85126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9aae78622a734b42bf976bcc938015adf7feda79e294ccedbb555507f85126", kill_on_drop: false }`
[INFO] [stdout] 1d9aae78622a734b42bf976bcc938015adf7feda79e294ccedbb555507f85126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0c74b09c616b715ece279a8a254b130632bb1630bc41785e0aa1cb201a9e38
[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" "ce0c74b09c616b715ece279a8a254b130632bb1630bc41785e0aa1cb201a9e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v0.4.21
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking human_format v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking streaming-stats v0.2.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.4
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.35
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr] error: could not compile `tracing-attributes`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 -C metadata=a7abecd52d3b8192 -C extra-filename=-a7abecd52d3b8192 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09ae4a5d872360b6.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ccdc0d5249338b89.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0c524531e3e84a0c.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" "ce0c74b09c616b715ece279a8a254b130632bb1630bc41785e0aa1cb201a9e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0c74b09c616b715ece279a8a254b130632bb1630bc41785e0aa1cb201a9e38", kill_on_drop: false }`
[INFO] [stdout] ce0c74b09c616b715ece279a8a254b130632bb1630bc41785e0aa1cb201a9e38