[INFO] fetching crate chair 0.1.7...
[INFO] documenting chair-0.1.7 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chair 0.1.7 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate chair 0.1.7 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chair 0.1.7
[INFO] finished tweaking crates.io crate chair 0.1.7
[INFO] tweaked toml for crates.io crate chair 0.1.7 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate chair 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a594f3285732f7c1c3f3df943a41b95ede9204083cd0608742dd9c50b1c35c0f
[INFO] running `Command { std: "docker" "start" "-a" "a594f3285732f7c1c3f3df943a41b95ede9204083cd0608742dd9c50b1c35c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a594f3285732f7c1c3f3df943a41b95ede9204083cd0608742dd9c50b1c35c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a594f3285732f7c1c3f3df943a41b95ede9204083cd0608742dd9c50b1c35c0f", kill_on_drop: false }`
[INFO] [stdout] a594f3285732f7c1c3f3df943a41b95ede9204083cd0608742dd9c50b1c35c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c98c8a01787482c52ec068c8792866569b265d666941efda109223afb02cae2
[INFO] running `Command { std: "docker" "start" "-a" "2c98c8a01787482c52ec068c8792866569b265d666941efda109223afb02cae2", kill_on_drop: false }`
[INFO] [stderr]  Documenting chair v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "2c98c8a01787482c52ec068c8792866569b265d666941efda109223afb02cae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c98c8a01787482c52ec068c8792866569b265d666941efda109223afb02cae2", kill_on_drop: false }`
[INFO] [stdout] 2c98c8a01787482c52ec068c8792866569b265d666941efda109223afb02cae2