[INFO] fetching crate trivial-verifier 0.8.0...
[INFO] documenting trivial-verifier-0.8.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate trivial-verifier 0.8.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate trivial-verifier 0.8.0 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 trivial-verifier 0.8.0
[INFO] finished tweaking crates.io crate trivial-verifier 0.8.0
[INFO] tweaked toml for crates.io crate trivial-verifier 0.8.0 written to /workspace/builds/worker-38/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 89b1cc733ef7bef1308907599041ede525300f72a7d34fb530bb99ac8a87a0d3
[INFO] running `Command { std: "docker" "start" "-a" "89b1cc733ef7bef1308907599041ede525300f72a7d34fb530bb99ac8a87a0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b1cc733ef7bef1308907599041ede525300f72a7d34fb530bb99ac8a87a0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b1cc733ef7bef1308907599041ede525300f72a7d34fb530bb99ac8a87a0d3", kill_on_drop: false }`
[INFO] [stdout] 89b1cc733ef7bef1308907599041ede525300f72a7d34fb530bb99ac8a87a0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 736cb35c8d407e1ca332364e09c6ec80bc5dab404504bf933eed12dd31a7592a
[INFO] running `Command { std: "docker" "start" "-a" "736cb35c8d407e1ca332364e09c6ec80bc5dab404504bf933eed12dd31a7592a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking mmb-types v0.3.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking trivial-compiler v0.3.0
[INFO] [stderr]     Checking trivial-kernel v0.8.1
[INFO] [stderr]     Checking mmb-parser v0.5.1
[INFO] [stderr]  Documenting trivial-verifier v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "736cb35c8d407e1ca332364e09c6ec80bc5dab404504bf933eed12dd31a7592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736cb35c8d407e1ca332364e09c6ec80bc5dab404504bf933eed12dd31a7592a", kill_on_drop: false }`
[INFO] [stdout] 736cb35c8d407e1ca332364e09c6ec80bc5dab404504bf933eed12dd31a7592a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 2c5389e01d191d1353720e8ec803a6ff00c659222071e4a697a92af657590b2c
[INFO] running `Command { std: "docker" "start" "-a" "2c5389e01d191d1353720e8ec803a6ff00c659222071e4a697a92af657590b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking mmb-types v0.3.1
[INFO] [stderr]     Checking trivial-kernel v0.8.1
[INFO] [stderr]     Checking trivial-compiler v0.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking mmb-parser v0.5.1
[INFO] [stderr]  Documenting trivial-verifier v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "2c5389e01d191d1353720e8ec803a6ff00c659222071e4a697a92af657590b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5389e01d191d1353720e8ec803a6ff00c659222071e4a697a92af657590b2c", kill_on_drop: false }`
[INFO] [stdout] 2c5389e01d191d1353720e8ec803a6ff00c659222071e4a697a92af657590b2c