[INFO] fetching crate twiggy-traits 0.8.0...
[INFO] documenting twiggy-traits-0.8.0 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate twiggy-traits 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate twiggy-traits 0.8.0
[INFO] finished tweaking crates.io crate twiggy-traits 0.8.0
[INFO] tweaked toml for crates.io crate twiggy-traits 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twiggy-traits 0.8.0 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twiggy-traits 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4c4780f023d88513a14ed5f8e20395e16ffa3d1a435fce2956360749eefb9f1
[INFO] running `Command { std: "docker" "start" "-a" "c4c4780f023d88513a14ed5f8e20395e16ffa3d1a435fce2956360749eefb9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c4780f023d88513a14ed5f8e20395e16ffa3d1a435fce2956360749eefb9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c4780f023d88513a14ed5f8e20395e16ffa3d1a435fce2956360749eefb9f1", kill_on_drop: false }`
[INFO] [stdout] c4c4780f023d88513a14ed5f8e20395e16ffa3d1a435fce2956360749eefb9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bfee785fb9415e8781cbb1bfaecba499c912561ea34cf51f6c57fd61260ad4a
[INFO] running `Command { std: "docker" "start" "-a" "8bfee785fb9415e8781cbb1bfaecba499c912561ea34cf51f6c57fd61260ad4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking wasmparser v0.80.2
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking twiggy-ir v0.8.0
[INFO] [stderr]  Documenting twiggy-traits v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.27s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/twiggy_traits/index.html
[INFO] running `Command { std: "docker" "inspect" "8bfee785fb9415e8781cbb1bfaecba499c912561ea34cf51f6c57fd61260ad4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfee785fb9415e8781cbb1bfaecba499c912561ea34cf51f6c57fd61260ad4a", kill_on_drop: false }`
[INFO] [stdout] 8bfee785fb9415e8781cbb1bfaecba499c912561ea34cf51f6c57fd61260ad4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee8b55200323b5e1de18619044de65997eec80938095d887a2f5aa5f56ec3ab3
[INFO] running `Command { std: "docker" "start" "-a" "ee8b55200323b5e1de18619044de65997eec80938095d887a2f5aa5f56ec3ab3", kill_on_drop: false }`
[INFO] [stderr]  Documenting twiggy-traits v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/twiggy_traits/index.html
[INFO] running `Command { std: "docker" "inspect" "ee8b55200323b5e1de18619044de65997eec80938095d887a2f5aa5f56ec3ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8b55200323b5e1de18619044de65997eec80938095d887a2f5aa5f56ec3ab3", kill_on_drop: false }`
[INFO] [stdout] ee8b55200323b5e1de18619044de65997eec80938095d887a2f5aa5f56ec3ab3