[INFO] fetching crate brrrr-lib 0.11.0...
[INFO] documenting brrrr-lib-0.11.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate brrrr-lib 0.11.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate brrrr-lib 0.11.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brrrr-lib 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate brrrr-lib 0.11.0
[INFO] tweaked toml for crates.io crate brrrr-lib 0.11.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate brrrr-lib 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded bio v0.37.1
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded triple_accel v0.4.0
[INFO] [stderr]   Downloaded parquet v5.5.0
[INFO] [stderr]   Downloaded bio-types v0.12.0
[INFO] [stderr]   Downloaded parquet-format v2.6.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 257e26df9cd04e10be374e5b4c4b7784ef56ba17171488e63a65e57a1cbb2075
[INFO] running `Command { std: "docker" "start" "-a" "257e26df9cd04e10be374e5b4c4b7784ef56ba17171488e63a65e57a1cbb2075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "257e26df9cd04e10be374e5b4c4b7784ef56ba17171488e63a65e57a1cbb2075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257e26df9cd04e10be374e5b4c4b7784ef56ba17171488e63a65e57a1cbb2075", kill_on_drop: false }`
[INFO] [stdout] 257e26df9cd04e10be374e5b4c4b7784ef56ba17171488e63a65e57a1cbb2075
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe369fa0b28f5b5dd9f4b97665c1e42e0e1f790a927357e3c43598e83cbee4a2
[INFO] running `Command { std: "docker" "start" "-a" "fe369fa0b28f5b5dd9f4b97665c1e42e0e1f790a927357e3c43598e83cbee4a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling parquet v5.5.0
[INFO] [stderr]    Compiling bio v0.37.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking triple_accel v0.4.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking brotli v3.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]     Checking parquet-format v2.6.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.81/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=4891f3b63b500a4e -C extra-filename=-4891f3b63b500a4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50958981bb050d34.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4c4627db81e9fb96.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-893a1d89efc86dd7.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fe369fa0b28f5b5dd9f4b97665c1e42e0e1f790a927357e3c43598e83cbee4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe369fa0b28f5b5dd9f4b97665c1e42e0e1f790a927357e3c43598e83cbee4a2", kill_on_drop: false }`
[INFO] [stdout] fe369fa0b28f5b5dd9f4b97665c1e42e0e1f790a927357e3c43598e83cbee4a2