[INFO] fetching crate confy 0.4.0...
[INFO] documenting confy-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate confy 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate confy 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate confy 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate confy 0.4.0
[INFO] tweaked toml for crates.io crate confy 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate confy 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2a65e3d3f685eb9ccac05b55c4b634d77601e84aa6307927e84878242bf83e
[INFO] running `Command { std: "docker" "start" "-a" "ec2a65e3d3f685eb9ccac05b55c4b634d77601e84aa6307927e84878242bf83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2a65e3d3f685eb9ccac05b55c4b634d77601e84aa6307927e84878242bf83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2a65e3d3f685eb9ccac05b55c4b634d77601e84aa6307927e84878242bf83e", kill_on_drop: false }`
[INFO] [stdout] ec2a65e3d3f685eb9ccac05b55c4b634d77601e84aa6307927e84878242bf83e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e6dc590c51257e3f5aa15a191993e8aa96086f4fa1f77f139e581ddaf37ab1
[INFO] running `Command { std: "docker" "start" "-a" "84e6dc590c51257e3f5aa15a191993e8aa96086f4fa1f77f139e581ddaf37ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting confy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "84e6dc590c51257e3f5aa15a191993e8aa96086f4fa1f77f139e581ddaf37ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e6dc590c51257e3f5aa15a191993e8aa96086f4fa1f77f139e581ddaf37ab1", kill_on_drop: false }`
[INFO] [stdout] 84e6dc590c51257e3f5aa15a191993e8aa96086f4fa1f77f139e581ddaf37ab1
