[INFO] fetching crate rocket_sync 0.1.1...
[INFO] documenting rocket_sync-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rocket_sync 0.1.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate rocket_sync 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket_sync 0.1.1
[INFO] finished tweaking crates.io crate rocket_sync 0.1.1
[INFO] tweaked toml for crates.io crate rocket_sync 0.1.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2022-05-20" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674b7bfa0f7c950871e9dcda9134f109e08fd87f00138bf380dcd46d1ec94cda
[INFO] running `Command { std: "docker" "start" "-a" "674b7bfa0f7c950871e9dcda9134f109e08fd87f00138bf380dcd46d1ec94cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674b7bfa0f7c950871e9dcda9134f109e08fd87f00138bf380dcd46d1ec94cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674b7bfa0f7c950871e9dcda9134f109e08fd87f00138bf380dcd46d1ec94cda", kill_on_drop: false }`
[INFO] [stdout] 674b7bfa0f7c950871e9dcda9134f109e08fd87f00138bf380dcd46d1ec94cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe0b882b064a77e4109a3d5ca524340aaa4b1de97a1cd852788d431f6f315a9
[INFO] running `Command { std: "docker" "start" "-a" "cbe0b882b064a77e4109a3d5ca524340aaa4b1de97a1cd852788d431f6f315a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]  Documenting rocket_sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "cbe0b882b064a77e4109a3d5ca524340aaa4b1de97a1cd852788d431f6f315a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe0b882b064a77e4109a3d5ca524340aaa4b1de97a1cd852788d431f6f315a9", kill_on_drop: false }`
[INFO] [stdout] cbe0b882b064a77e4109a3d5ca524340aaa4b1de97a1cd852788d431f6f315a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 972e75c64a31cbd8e413d7d374dd48605a116410370468c7acf05d0369d3ac7c
[INFO] running `Command { std: "docker" "start" "-a" "972e75c64a31cbd8e413d7d374dd48605a116410370468c7acf05d0369d3ac7c", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]  Documenting rocket_sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "972e75c64a31cbd8e413d7d374dd48605a116410370468c7acf05d0369d3ac7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972e75c64a31cbd8e413d7d374dd48605a116410370468c7acf05d0369d3ac7c", kill_on_drop: false }`
[INFO] [stdout] 972e75c64a31cbd8e413d7d374dd48605a116410370468c7acf05d0369d3ac7c