[INFO] fetching crate println 0.0.0...
[INFO] documenting println-0.0.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate println 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate println 0.0.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate println 0.0.0
[INFO] finished tweaking crates.io crate println 0.0.0
[INFO] tweaked toml for crates.io crate println 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef857725d5de1fcfaf4cfbc172ce035237d677ecbeb97b4dcb0102af69e0a5d2
[INFO] running `Command { std: "docker" "start" "-a" "ef857725d5de1fcfaf4cfbc172ce035237d677ecbeb97b4dcb0102af69e0a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef857725d5de1fcfaf4cfbc172ce035237d677ecbeb97b4dcb0102af69e0a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef857725d5de1fcfaf4cfbc172ce035237d677ecbeb97b4dcb0102af69e0a5d2", kill_on_drop: false }`
[INFO] [stdout] ef857725d5de1fcfaf4cfbc172ce035237d677ecbeb97b4dcb0102af69e0a5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47239ceb25082342b5a14eac872191e7a29d7c10467e70ab9d1edf00c74ac45d
[INFO] running `Command { std: "docker" "start" "-a" "47239ceb25082342b5a14eac872191e7a29d7c10467e70ab9d1edf00c74ac45d", kill_on_drop: false }`
[INFO] [stderr]  Documenting println v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "47239ceb25082342b5a14eac872191e7a29d7c10467e70ab9d1edf00c74ac45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47239ceb25082342b5a14eac872191e7a29d7c10467e70ab9d1edf00c74ac45d", kill_on_drop: false }`
[INFO] [stdout] 47239ceb25082342b5a14eac872191e7a29d7c10467e70ab9d1edf00c74ac45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 78ff53dff7869641c28fc78f1dba8287d705180b72e74e10137b531be95a9b2f
[INFO] running `Command { std: "docker" "start" "-a" "78ff53dff7869641c28fc78f1dba8287d705180b72e74e10137b531be95a9b2f", kill_on_drop: false }`
[INFO] [stderr]  Documenting println v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "78ff53dff7869641c28fc78f1dba8287d705180b72e74e10137b531be95a9b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ff53dff7869641c28fc78f1dba8287d705180b72e74e10137b531be95a9b2f", kill_on_drop: false }`
[INFO] [stdout] 78ff53dff7869641c28fc78f1dba8287d705180b72e74e10137b531be95a9b2f