[INFO] fetching crate tracing-perfetto-writer 0.3.2...
[INFO] documenting tracing-perfetto-writer-0.3.2 against 1.95.0 for beta-1.96-rustdoc-2
[INFO] extracting crate tracing-perfetto-writer 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tracing-perfetto-writer 0.3.2
[INFO] finished tweaking crates.io crate tracing-perfetto-writer 0.3.2
[INFO] tweaked toml for crates.io crate tracing-perfetto-writer 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-perfetto-writer 0.3.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-perfetto-writer 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c7ec5fc726bcf7bba7f966d0793c25936d0a58b2165ed4fdcae1c868ad1856
[INFO] running `Command { std: "docker" "start" "-a" "93c7ec5fc726bcf7bba7f966d0793c25936d0a58b2165ed4fdcae1c868ad1856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c7ec5fc726bcf7bba7f966d0793c25936d0a58b2165ed4fdcae1c868ad1856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c7ec5fc726bcf7bba7f966d0793c25936d0a58b2165ed4fdcae1c868ad1856", kill_on_drop: false }`
[INFO] [stdout] 93c7ec5fc726bcf7bba7f966d0793c25936d0a58b2165ed4fdcae1c868ad1856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1dcf4dcfa4d3d61726ce8d43aa43b040012f7f13e2a987a76ace750204f1ef
[INFO] running `Command { std: "docker" "start" "-a" "7a1dcf4dcfa4d3d61726ce8d43aa43b040012f7f13e2a987a76ace750204f1ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]     Checking perfetto-writer v0.3.2
[INFO] [stderr]  Documenting tracing-perfetto-writer v0.3.2 (/opt/rustwide/workdir)
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[INFO] [stderr]    Generated /opt/rustwide/target/doc/tracing_perfetto_writer/index.html
[INFO] running `Command { std: "docker" "inspect" "7a1dcf4dcfa4d3d61726ce8d43aa43b040012f7f13e2a987a76ace750204f1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1dcf4dcfa4d3d61726ce8d43aa43b040012f7f13e2a987a76ace750204f1ef", kill_on_drop: false }`
[INFO] [stdout] 7a1dcf4dcfa4d3d61726ce8d43aa43b040012f7f13e2a987a76ace750204f1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b4963aa806c8bf47f96b23a60730e0edc65522fea55d1c6cd78d2d23f4b85f
[INFO] running `Command { std: "docker" "start" "-a" "09b4963aa806c8bf47f96b23a60730e0edc65522fea55d1c6cd78d2d23f4b85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]    Compiling perfetto_protos v0.51.1
[INFO] [stderr]     Checking perfetto-writer v0.3.2
[INFO] [stderr]  Documenting tracing-perfetto-writer v0.3.2 (/opt/rustwide/workdir)
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[INFO] [stderr]    Generated /opt/rustwide/target/doc/tracing_perfetto_writer/index.html
[INFO] running `Command { std: "docker" "inspect" "09b4963aa806c8bf47f96b23a60730e0edc65522fea55d1c6cd78d2d23f4b85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b4963aa806c8bf47f96b23a60730e0edc65522fea55d1c6cd78d2d23f4b85f", kill_on_drop: false }`
[INFO] [stdout] 09b4963aa806c8bf47f96b23a60730e0edc65522fea55d1c6cd78d2d23f4b85f