[INFO] fetching crate pprof 0.8.0...
[INFO] documenting pprof-0.8.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate pprof 0.8.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate pprof 0.8.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pprof 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pprof 0.8.0
[INFO] tweaked toml for crates.io crate pprof 0.8.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate pprof 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded cmake v0.1.46
[INFO] [stderr]   Downloaded prost-types v0.10.1
[INFO] [stderr]   Downloaded prost v0.10.1
[INFO] [stderr]   Downloaded inferno v0.11.1
[INFO] [stderr]   Downloaded findshlibs v0.10.1
[INFO] [stderr]   Downloaded bytemuck v1.7.0
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded prost-derive v0.10.1
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded symbolic-demangle v8.3.0
[INFO] [stderr]   Downloaded symbolic-common v8.3.0
[INFO] [stderr]   Downloaded prost-build v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d38cb6598b70f516014a0bef48f5d6644df46f597eaf0595490cef47c4e7ac6
[INFO] running `Command { std: "docker" "start" "-a" "3d38cb6598b70f516014a0bef48f5d6644df46f597eaf0595490cef47c4e7ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d38cb6598b70f516014a0bef48f5d6644df46f597eaf0595490cef47c4e7ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d38cb6598b70f516014a0bef48f5d6644df46f597eaf0595490cef47c4e7ac6", kill_on_drop: false }`
[INFO] [stdout] 3d38cb6598b70f516014a0bef48f5d6644df46f597eaf0595490cef47c4e7ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b31cd54a75bac1b158b84b329a99417d4e3076c4533c4d248c8422a6255a22
[INFO] running `Command { std: "docker" "start" "-a" "65b31cd54a75bac1b158b84b329a99417d4e3076c4533c4d248c8422a6255a22", 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] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling symbolic-demangle v8.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pprof v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling findshlibs v0.10.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking symbolic-common v8.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]  Documenting pprof v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "65b31cd54a75bac1b158b84b329a99417d4e3076c4533c4d248c8422a6255a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b31cd54a75bac1b158b84b329a99417d4e3076c4533c4d248c8422a6255a22", kill_on_drop: false }`
[INFO] [stdout] 65b31cd54a75bac1b158b84b329a99417d4e3076c4533c4d248c8422a6255a22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7d8d809700ce976059e150e2aa63c56acaea6e0efd24b593ff033b4db2a5f460
[INFO] running `Command { std: "docker" "start" "-a" "7d8d809700ce976059e150e2aa63c56acaea6e0efd24b593ff033b4db2a5f460", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling symbolic-demangle v8.3.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling findshlibs v0.10.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling prost-build v0.10.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="unicode-bool"' -C metadata=07dc90240ac7b7a0 -C extra-filename=-07dc90240ac7b7a0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d8d809700ce976059e150e2aa63c56acaea6e0efd24b593ff033b4db2a5f460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8d809700ce976059e150e2aa63c56acaea6e0efd24b593ff033b4db2a5f460", kill_on_drop: false }`
[INFO] [stdout] 7d8d809700ce976059e150e2aa63c56acaea6e0efd24b593ff033b4db2a5f460