[INFO] fetching crate trace2_macro 0.1.0...
[INFO] documenting trace2_macro-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate trace2_macro 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate trace2_macro 0.1.0 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 trace2_macro 0.1.0
[INFO] finished tweaking crates.io crate trace2_macro 0.1.0
[INFO] tweaked toml for crates.io crate trace2_macro 0.1.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 906c2a439c6095b8cc03e10426ae86779523c17915ca76e3af743b78cc872500
[INFO] running `Command { std: "docker" "start" "-a" "906c2a439c6095b8cc03e10426ae86779523c17915ca76e3af743b78cc872500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "906c2a439c6095b8cc03e10426ae86779523c17915ca76e3af743b78cc872500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906c2a439c6095b8cc03e10426ae86779523c17915ca76e3af743b78cc872500", kill_on_drop: false }`
[INFO] [stdout] 906c2a439c6095b8cc03e10426ae86779523c17915ca76e3af743b78cc872500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 5128250915dfd24bbd8ded45c9597b1b7befd1cacda9a0890a85c9732cb6441f
[INFO] running `Command { std: "docker" "start" "-a" "5128250915dfd24bbd8ded45c9597b1b7befd1cacda9a0890a85c9732cb6441f", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting trace2_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "5128250915dfd24bbd8ded45c9597b1b7befd1cacda9a0890a85c9732cb6441f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5128250915dfd24bbd8ded45c9597b1b7befd1cacda9a0890a85c9732cb6441f", kill_on_drop: false }`
[INFO] [stdout] 5128250915dfd24bbd8ded45c9597b1b7befd1cacda9a0890a85c9732cb6441f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7d8eceb21a55ba1dd34dd6b22bfa2ac0bddc8043c87d264c8a1a393a85a92d96
[INFO] running `Command { std: "docker" "start" "-a" "7d8eceb21a55ba1dd34dd6b22bfa2ac0bddc8043c87d264c8a1a393a85a92d96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting trace2_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "7d8eceb21a55ba1dd34dd6b22bfa2ac0bddc8043c87d264c8a1a393a85a92d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8eceb21a55ba1dd34dd6b22bfa2ac0bddc8043c87d264c8a1a393a85a92d96", kill_on_drop: false }`
[INFO] [stdout] 7d8eceb21a55ba1dd34dd6b22bfa2ac0bddc8043c87d264c8a1a393a85a92d96