[INFO] fetching crate failure 0.1.8...
[INFO] documenting failure-0.1.8 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate failure 0.1.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate failure 0.1.8 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 failure 0.1.8
[INFO] finished tweaking crates.io crate failure 0.1.8
[INFO] tweaked toml for crates.io crate failure 0.1.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate failure 0.1.8 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]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded syn v1.0.18
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc278f6374d29bad3e60374999b1b5cc69dec2b84c148d122da6c0d1566e9d2
[INFO] running `Command { std: "docker" "start" "-a" "ddc278f6374d29bad3e60374999b1b5cc69dec2b84c148d122da6c0d1566e9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc278f6374d29bad3e60374999b1b5cc69dec2b84c148d122da6c0d1566e9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc278f6374d29bad3e60374999b1b5cc69dec2b84c148d122da6c0d1566e9d2", kill_on_drop: false }`
[INFO] [stdout] ddc278f6374d29bad3e60374999b1b5cc69dec2b84c148d122da6c0d1566e9d2
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411e3b9aa73ce3070fc9447e49d7579fec1881240418a4953470fd99b0453a62
[INFO] running `Command { std: "docker" "start" "-a" "411e3b9aa73ce3070fc9447e49d7579fec1881240418a4953470fd99b0453a62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]  Documenting failure v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `Command { std: "docker" "inspect" "411e3b9aa73ce3070fc9447e49d7579fec1881240418a4953470fd99b0453a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411e3b9aa73ce3070fc9447e49d7579fec1881240418a4953470fd99b0453a62", kill_on_drop: false }`
[INFO] [stdout] 411e3b9aa73ce3070fc9447e49d7579fec1881240418a4953470fd99b0453a62
