[INFO] fetching crate lrpar 0.12.0...
[INFO] documenting lrpar-0.12.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate lrpar 0.12.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate lrpar 0.12.0 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 lrpar 0.12.0
[INFO] finished tweaking crates.io crate lrpar 0.12.0
[INFO] tweaked toml for crates.io crate lrpar 0.12.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 6a6704f5821753b478daf1034ede6555e65eb4602faad4cbc166328eae3a3351
[INFO] running `Command { std: "docker" "start" "-a" "6a6704f5821753b478daf1034ede6555e65eb4602faad4cbc166328eae3a3351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a6704f5821753b478daf1034ede6555e65eb4602faad4cbc166328eae3a3351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6704f5821753b478daf1034ede6555e65eb4602faad4cbc166328eae3a3351", kill_on_drop: false }`
[INFO] [stdout] 6a6704f5821753b478daf1034ede6555e65eb4602faad4cbc166328eae3a3351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] f3d2286457c5c32079ba3a2776538e007e4722f3e5a61fdf5b72c8bf1b46d1ed
[INFO] running `Command { std: "docker" "start" "-a" "f3d2286457c5c32079ba3a2776538e007e4722f3e5a61fdf5b72c8bf1b46d1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cactus v1.0.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling vob v3.0.1
[INFO] [stderr]    Compiling vergen v7.0.0
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling lrpar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking packedvec v1.2.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sparsevec v0.1.4
[INFO] [stderr]     Checking cfgrammar v0.12.0
[INFO] [stderr]     Checking lrtable v0.12.0
[INFO] [stderr]  Documenting lrpar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "f3d2286457c5c32079ba3a2776538e007e4722f3e5a61fdf5b72c8bf1b46d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d2286457c5c32079ba3a2776538e007e4722f3e5a61fdf5b72c8bf1b46d1ed", kill_on_drop: false }`
[INFO] [stdout] f3d2286457c5c32079ba3a2776538e007e4722f3e5a61fdf5b72c8bf1b46d1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 65582829272ac7b3a49ea6261b1d6c20e7e6342017d0a785fe96e2f32076d137
[INFO] running `Command { std: "docker" "start" "-a" "65582829272ac7b3a49ea6261b1d6c20e7e6342017d0a785fe96e2f32076d137", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cactus v1.0.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling vob v3.0.1
[INFO] [stderr]    Compiling vergen v7.0.0
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling lrpar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking packedvec v1.2.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sparsevec v0.1.4
[INFO] [stderr]     Checking cfgrammar v0.12.0
[INFO] [stderr]     Checking lrtable v0.12.0
[INFO] [stderr]  Documenting lrpar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
[INFO] running `Command { std: "docker" "inspect" "65582829272ac7b3a49ea6261b1d6c20e7e6342017d0a785fe96e2f32076d137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65582829272ac7b3a49ea6261b1d6c20e7e6342017d0a785fe96e2f32076d137", kill_on_drop: false }`
[INFO] [stdout] 65582829272ac7b3a49ea6261b1d6c20e7e6342017d0a785fe96e2f32076d137