[INFO] fetching crate rpa 0.5.1...
[INFO] documenting rpa-0.5.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rpa 0.5.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rpa 0.5.1 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 rpa 0.5.1
[INFO] finished tweaking crates.io crate rpa 0.5.1
[INFO] tweaked toml for crates.io crate rpa 0.5.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpa_macros v0.5.1
[INFO] [stderr]   Downloaded rpa_derives v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] [stdout] 2b594db7fd0fe20161205a4eba98c047e334cb8c76783e6d0528d5bba7c400d8
[INFO] running `Command { std: "docker" "start" "-a" "2b594db7fd0fe20161205a4eba98c047e334cb8c76783e6d0528d5bba7c400d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b594db7fd0fe20161205a4eba98c047e334cb8c76783e6d0528d5bba7c400d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b594db7fd0fe20161205a4eba98c047e334cb8c76783e6d0528d5bba7c400d8", kill_on_drop: false }`
[INFO] [stdout] 2b594db7fd0fe20161205a4eba98c047e334cb8c76783e6d0528d5bba7c400d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] [stdout] 4fd3895eb89dbee842e18237c129011dbd5b57d621e8dcd525c5041c9e0c4a22
[INFO] running `Command { std: "docker" "start" "-a" "4fd3895eb89dbee842e18237c129011dbd5b57d621e8dcd525c5041c9e0c4a22", 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 version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling pear_codegen v0.1.5
[INFO] [stderr]    Compiling rocket_codegen v0.4.11
[INFO] [stderr]    Compiling rocket v0.4.11
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling quote v0.6.13
[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-0.6.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=54da5568001b1740 -C extra-filename=-54da5568001b1740 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4fd3895eb89dbee842e18237c129011dbd5b57d621e8dcd525c5041c9e0c4a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd3895eb89dbee842e18237c129011dbd5b57d621e8dcd525c5041c9e0c4a22", kill_on_drop: false }`
[INFO] [stdout] 4fd3895eb89dbee842e18237c129011dbd5b57d621e8dcd525c5041c9e0c4a22