[INFO] fetching crate cfgrammar 0.12.0...
[INFO] documenting cfgrammar-0.12.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cfgrammar 0.12.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cfgrammar 0.12.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgrammar 0.12.0
[INFO] finished tweaking crates.io crate cfgrammar 0.12.0
[INFO] tweaked toml for crates.io crate cfgrammar 0.12.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91aed467ad0af91c185764787a5ca550d8d18ae00aba76563beb17e8be704f3a
[INFO] running `Command { std: "docker" "start" "-a" "91aed467ad0af91c185764787a5ca550d8d18ae00aba76563beb17e8be704f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91aed467ad0af91c185764787a5ca550d8d18ae00aba76563beb17e8be704f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aed467ad0af91c185764787a5ca550d8d18ae00aba76563beb17e8be704f3a", kill_on_drop: false }`
[INFO] [stdout] 91aed467ad0af91c185764787a5ca550d8d18ae00aba76563beb17e8be704f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9e01e05e80ac5e7e356da716ef07dc87f201e37395f0619fa48212f0ba755c
[INFO] running `Command { std: "docker" "start" "-a" "4f9e01e05e80ac5e7e356da716ef07dc87f201e37395f0619fa48212f0ba755c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling vob v3.0.1
[INFO] [stderr]  Documenting cfgrammar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "4f9e01e05e80ac5e7e356da716ef07dc87f201e37395f0619fa48212f0ba755c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9e01e05e80ac5e7e356da716ef07dc87f201e37395f0619fa48212f0ba755c", kill_on_drop: false }`
[INFO] [stdout] 4f9e01e05e80ac5e7e356da716ef07dc87f201e37395f0619fa48212f0ba755c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a8622e646e5cc683a91665da9d274ac08a1e93f2832a72babf80d72db03e8afb
[INFO] running `Command { std: "docker" "start" "-a" "a8622e646e5cc683a91665da9d274ac08a1e93f2832a72babf80d72db03e8afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.2
[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]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling vob v3.0.1
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]  Documenting cfgrammar v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "a8622e646e5cc683a91665da9d274ac08a1e93f2832a72babf80d72db03e8afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8622e646e5cc683a91665da9d274ac08a1e93f2832a72babf80d72db03e8afb", kill_on_drop: false }`
[INFO] [stdout] a8622e646e5cc683a91665da9d274ac08a1e93f2832a72babf80d72db03e8afb