[INFO] fetching crate languages-rs 0.2.0...
[INFO] documenting languages-rs-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate languages-rs 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate languages-rs 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate languages-rs 0.2.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate languages-rs 0.2.0
[INFO] tweaked toml for crates.io crate languages-rs 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate languages-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6377929687856ae8cfd8597dd7f9f6e6627831317079c8299b60418cf6a8b5
[INFO] running `Command { std: "docker" "start" "-a" "ea6377929687856ae8cfd8597dd7f9f6e6627831317079c8299b60418cf6a8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6377929687856ae8cfd8597dd7f9f6e6627831317079c8299b60418cf6a8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6377929687856ae8cfd8597dd7f9f6e6627831317079c8299b60418cf6a8b5", kill_on_drop: false }`
[INFO] [stdout] ea6377929687856ae8cfd8597dd7f9f6e6627831317079c8299b60418cf6a8b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0fd02dc213c5b2db0186253121d9d39dcea1cb11194e17698425f182229ef30
[INFO] running `Command { std: "docker" "start" "-a" "c0fd02dc213c5b2db0186253121d9d39dcea1cb11194e17698425f182229ef30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]  Documenting languages-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "c0fd02dc213c5b2db0186253121d9d39dcea1cb11194e17698425f182229ef30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fd02dc213c5b2db0186253121d9d39dcea1cb11194e17698425f182229ef30", kill_on_drop: false }`
[INFO] [stdout] c0fd02dc213c5b2db0186253121d9d39dcea1cb11194e17698425f182229ef30
