[INFO] fetching crate env-variables 0.1.1...
[INFO] documenting env-variables-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate env-variables 0.1.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate env-variables 0.1.1 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 env-variables 0.1.1
[INFO] finished tweaking crates.io crate env-variables 0.1.1
[INFO] tweaked toml for crates.io crate env-variables 0.1.1 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 5b602663694c2c83fe83d42e1486077d84b457c7e615b46f1a5e13ce262d9828
[INFO] running `Command { std: "docker" "start" "-a" "5b602663694c2c83fe83d42e1486077d84b457c7e615b46f1a5e13ce262d9828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b602663694c2c83fe83d42e1486077d84b457c7e615b46f1a5e13ce262d9828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b602663694c2c83fe83d42e1486077d84b457c7e615b46f1a5e13ce262d9828", kill_on_drop: false }`
[INFO] [stdout] 5b602663694c2c83fe83d42e1486077d84b457c7e615b46f1a5e13ce262d9828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 01fdf68fc49e45ca9d75a6b4f7dd42cdc31359781b07a10e998dc39db9cef324
[INFO] running `Command { std: "docker" "start" "-a" "01fdf68fc49e45ca9d75a6b4f7dd42cdc31359781b07a10e998dc39db9cef324", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]  Documenting env-variables v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "01fdf68fc49e45ca9d75a6b4f7dd42cdc31359781b07a10e998dc39db9cef324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fdf68fc49e45ca9d75a6b4f7dd42cdc31359781b07a10e998dc39db9cef324", kill_on_drop: false }`
[INFO] [stdout] 01fdf68fc49e45ca9d75a6b4f7dd42cdc31359781b07a10e998dc39db9cef324
