[INFO] fetching crate dbcrossbar 0.5.2...
[INFO] documenting dbcrossbar-0.5.2 against 1.66.0 for beta-1.67-rustdoc-3
[INFO] extracting crate dbcrossbar 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dbcrossbar 0.5.2 on toolchain 1.66.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcrossbar 0.5.2
[INFO] finished tweaking crates.io crate dbcrossbar 0.5.2
[INFO] tweaked toml for crates.io crate dbcrossbar 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate dbcrossbar 0.5.2 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" "+1.66.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded dbcrossbarlib v0.5.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfb0d514d739816cf755ba90241388faf854595af83041cb0eaee9d971ee49d3
[INFO] running `Command { std: "docker" "start" "-a" "cfb0d514d739816cf755ba90241388faf854595af83041cb0eaee9d971ee49d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfb0d514d739816cf755ba90241388faf854595af83041cb0eaee9d971ee49d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb0d514d739816cf755ba90241388faf854595af83041cb0eaee9d971ee49d3", kill_on_drop: false }`
[INFO] [stdout] cfb0d514d739816cf755ba90241388faf854595af83041cb0eaee9d971ee49d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea3a1cf393542643845b08343c4cfd02e42df1376d56fc39758eb2bef3f1cada
[INFO] running `Command { std: "docker" "start" "-a" "ea3a1cf393542643845b08343c4cfd02e42df1376d56fc39758eb2bef3f1cada", kill_on_drop: false }`
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[INFO] [stderr]  Documenting dbcrossbar v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.01s
[INFO] running `Command { std: "docker" "inspect" "ea3a1cf393542643845b08343c4cfd02e42df1376d56fc39758eb2bef3f1cada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3a1cf393542643845b08343c4cfd02e42df1376d56fc39758eb2bef3f1cada", kill_on_drop: false }`
[INFO] [stdout] ea3a1cf393542643845b08343c4cfd02e42df1376d56fc39758eb2bef3f1cada