[INFO] fetching crate regular-expression 0.1.0...
[INFO] documenting regular-expression-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate regular-expression 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate regular-expression 0.1.0 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 regular-expression 0.1.0
[INFO] finished tweaking crates.io crate regular-expression 0.1.0
[INFO] tweaked toml for crates.io crate regular-expression 0.1.0 written to /workspace/builds/worker-27/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] 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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 9e567f5f25a69629b40c2695de7748b8f625e4ecbe2e9b95a57fe410bbc9f733
[INFO] running `Command { std: "docker" "start" "-a" "9e567f5f25a69629b40c2695de7748b8f625e4ecbe2e9b95a57fe410bbc9f733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e567f5f25a69629b40c2695de7748b8f625e4ecbe2e9b95a57fe410bbc9f733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e567f5f25a69629b40c2695de7748b8f625e4ecbe2e9b95a57fe410bbc9f733", kill_on_drop: false }`
[INFO] [stdout] 9e567f5f25a69629b40c2695de7748b8f625e4ecbe2e9b95a57fe410bbc9f733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] fb7833e504bcdab7470f9232f9168bef89f4e55c794a31e1f4200da6042da913
[INFO] running `Command { std: "docker" "start" "-a" "fb7833e504bcdab7470f9232f9168bef89f4e55c794a31e1f4200da6042da913", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking segment-map v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking finite-automata v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking regular-expression-bootstrap v0.1.0
[INFO] [stderr]     Checking simple-lexer-bootstrap v0.1.0
[INFO] [stderr]     Checking simple-parser-bootstrap v0.1.0
[INFO] [stderr]  Documenting regular-expression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "fb7833e504bcdab7470f9232f9168bef89f4e55c794a31e1f4200da6042da913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7833e504bcdab7470f9232f9168bef89f4e55c794a31e1f4200da6042da913", kill_on_drop: false }`
[INFO] [stdout] fb7833e504bcdab7470f9232f9168bef89f4e55c794a31e1f4200da6042da913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ec0a7eabc9fe5381adb5e348240975bfb3d481a8aca1ede9d5de7eb84bbaee8c
[INFO] running `Command { std: "docker" "start" "-a" "ec0a7eabc9fe5381adb5e348240975bfb3d481a8aca1ede9d5de7eb84bbaee8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking segment-map v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking finite-automata v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking regular-expression-bootstrap v0.1.0
[INFO] [stderr]     Checking simple-lexer-bootstrap v0.1.0
[INFO] [stderr]     Checking simple-parser-bootstrap v0.1.0
[INFO] [stderr]  Documenting regular-expression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "ec0a7eabc9fe5381adb5e348240975bfb3d481a8aca1ede9d5de7eb84bbaee8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0a7eabc9fe5381adb5e348240975bfb3d481a8aca1ede9d5de7eb84bbaee8c", kill_on_drop: false }`
[INFO] [stdout] ec0a7eabc9fe5381adb5e348240975bfb3d481a8aca1ede9d5de7eb84bbaee8c