[INFO] fetching crate envy 0.4.2...
[INFO] documenting envy-0.4.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate envy 0.4.2 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate envy 0.4.2 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 envy 0.4.2
[INFO] finished tweaking crates.io crate envy 0.4.2
[INFO] tweaked toml for crates.io crate envy 0.4.2 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate crates.io crate envy 0.4.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 147974f0aa030968bd974a632da1e26d2ab7b3277aea0ea709acf91e902e9436
[INFO] running `Command { std: "docker" "start" "-a" "147974f0aa030968bd974a632da1e26d2ab7b3277aea0ea709acf91e902e9436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147974f0aa030968bd974a632da1e26d2ab7b3277aea0ea709acf91e902e9436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147974f0aa030968bd974a632da1e26d2ab7b3277aea0ea709acf91e902e9436", kill_on_drop: false }`
[INFO] [stdout] 147974f0aa030968bd974a632da1e26d2ab7b3277aea0ea709acf91e902e9436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 30cf0fec86db20fc10cd3894ca675cd1c39d60c7743ea01b1b190c3f10b0b504
[INFO] running `Command { std: "docker" "start" "-a" "30cf0fec86db20fc10cd3894ca675cd1c39d60c7743ea01b1b190c3f10b0b504", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]  Documenting envy v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "30cf0fec86db20fc10cd3894ca675cd1c39d60c7743ea01b1b190c3f10b0b504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cf0fec86db20fc10cd3894ca675cd1c39d60c7743ea01b1b190c3f10b0b504", kill_on_drop: false }`
[INFO] [stdout] 30cf0fec86db20fc10cd3894ca675cd1c39d60c7743ea01b1b190c3f10b0b504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 316306afd8747a48ffd8dc5c1ddd163b4a13fa2f8fbf351d9e30c163e493cc4f
[INFO] running `Command { std: "docker" "start" "-a" "316306afd8747a48ffd8dc5c1ddd163b4a13fa2f8fbf351d9e30c163e493cc4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]  Documenting envy v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.36s
[INFO] running `Command { std: "docker" "inspect" "316306afd8747a48ffd8dc5c1ddd163b4a13fa2f8fbf351d9e30c163e493cc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316306afd8747a48ffd8dc5c1ddd163b4a13fa2f8fbf351d9e30c163e493cc4f", kill_on_drop: false }`
[INFO] [stdout] 316306afd8747a48ffd8dc5c1ddd163b4a13fa2f8fbf351d9e30c163e493cc4f