[INFO] fetching crate signalo 0.6.0...
[INFO] documenting signalo-0.6.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate signalo 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate signalo 0.6.0 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 signalo 0.6.0
[INFO] finished tweaking crates.io crate signalo 0.6.0
[INFO] tweaked toml for crates.io crate signalo 0.6.0 written to /workspace/builds/worker-1/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]  Downloading crates ...
[INFO] [stderr]   Downloaded signalo_pipes v0.5.1
[INFO] [stderr]   Downloaded signalo_sources v0.5.2
[INFO] [stderr]   Downloaded signalo_filters v0.6.0
[INFO] [stderr]   Downloaded signalo_sinks v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 984d053d5254bc9132ff4d63c8c449bd312614f8402926f386191249411a12bc
[INFO] running `Command { std: "docker" "start" "-a" "984d053d5254bc9132ff4d63c8c449bd312614f8402926f386191249411a12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984d053d5254bc9132ff4d63c8c449bd312614f8402926f386191249411a12bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984d053d5254bc9132ff4d63c8c449bd312614f8402926f386191249411a12bc", kill_on_drop: false }`
[INFO] [stdout] 984d053d5254bc9132ff4d63c8c449bd312614f8402926f386191249411a12bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f84c52dd5a8f23b3f00296f1fa159f7b4a7952cf43487274b85fb03b37d6bedb
[INFO] running `Command { std: "docker" "start" "-a" "f84c52dd5a8f23b3f00296f1fa159f7b4a7952cf43487274b85fb03b37d6bedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking guts v0.1.1
[INFO] [stderr]     Checking signalo_traits v0.5.0
[INFO] [stderr]     Checking signalo_pipes v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking signalo_filters v0.6.0
[INFO] [stderr]     Checking signalo_sources v0.5.2
[INFO] [stderr]     Checking signalo_sinks v0.5.2
[INFO] [stderr]  Documenting signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "f84c52dd5a8f23b3f00296f1fa159f7b4a7952cf43487274b85fb03b37d6bedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84c52dd5a8f23b3f00296f1fa159f7b4a7952cf43487274b85fb03b37d6bedb", kill_on_drop: false }`
[INFO] [stdout] f84c52dd5a8f23b3f00296f1fa159f7b4a7952cf43487274b85fb03b37d6bedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] cf91f699d62307fad94ae5174138611dbae627f942055a296bddbeb9f956e6f9
[INFO] running `Command { std: "docker" "start" "-a" "cf91f699d62307fad94ae5174138611dbae627f942055a296bddbeb9f956e6f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking guts v0.1.1
[INFO] [stderr]     Checking signalo_traits v0.5.0
[INFO] [stderr]     Checking signalo_pipes v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking signalo_sinks v0.5.2
[INFO] [stderr]     Checking signalo_filters v0.6.0
[INFO] [stderr]     Checking signalo_sources v0.5.2
[INFO] [stderr]  Documenting signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "cf91f699d62307fad94ae5174138611dbae627f942055a296bddbeb9f956e6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf91f699d62307fad94ae5174138611dbae627f942055a296bddbeb9f956e6f9", kill_on_drop: false }`
[INFO] [stdout] cf91f699d62307fad94ae5174138611dbae627f942055a296bddbeb9f956e6f9