[INFO] fetching crate format 0.2.4...
[INFO] documenting format-0.2.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate format 0.2.4 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate format 0.2.4 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 format 0.2.4
[INFO] finished tweaking crates.io crate format 0.2.4
[INFO] tweaked toml for crates.io crate format 0.2.4 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate format 0.2.4 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded format-macro v0.2.4
[INFO] [stderr]   Downloaded format-core v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 28f2d8c5ca92573774f2eb1c87deeda7affe29c8e006bf4f938f293fbb179378
[INFO] running `Command { std: "docker" "start" "-a" "28f2d8c5ca92573774f2eb1c87deeda7affe29c8e006bf4f938f293fbb179378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f2d8c5ca92573774f2eb1c87deeda7affe29c8e006bf4f938f293fbb179378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f2d8c5ca92573774f2eb1c87deeda7affe29c8e006bf4f938f293fbb179378", kill_on_drop: false }`
[INFO] [stdout] 28f2d8c5ca92573774f2eb1c87deeda7affe29c8e006bf4f938f293fbb179378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 44e81899bf5d9721ec4b86486e0640275ed79cefcd259cfdd916608870da8ba1
[INFO] running `Command { std: "docker" "start" "-a" "44e81899bf5d9721ec4b86486e0640275ed79cefcd259cfdd916608870da8ba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking format-core v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling format-macro v0.2.4
[INFO] [stderr]  Documenting format v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "44e81899bf5d9721ec4b86486e0640275ed79cefcd259cfdd916608870da8ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e81899bf5d9721ec4b86486e0640275ed79cefcd259cfdd916608870da8ba1", kill_on_drop: false }`
[INFO] [stdout] 44e81899bf5d9721ec4b86486e0640275ed79cefcd259cfdd916608870da8ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e91bbb9f7c4d7f250bab1b20a2619f67936599dd3269c5e2f4862382cdde236b
[INFO] running `Command { std: "docker" "start" "-a" "e91bbb9f7c4d7f250bab1b20a2619f67936599dd3269c5e2f4862382cdde236b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking format-core v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling format-macro v0.2.4
[INFO] [stderr]  Documenting format v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "e91bbb9f7c4d7f250bab1b20a2619f67936599dd3269c5e2f4862382cdde236b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91bbb9f7c4d7f250bab1b20a2619f67936599dd3269c5e2f4862382cdde236b", kill_on_drop: false }`
[INFO] [stdout] e91bbb9f7c4d7f250bab1b20a2619f67936599dd3269c5e2f4862382cdde236b