[INFO] fetching crate bare-metrics-recorder 0.1.0...
[INFO] documenting bare-metrics-recorder-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate bare-metrics-recorder 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate bare-metrics-recorder 0.1.0 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 bare-metrics-recorder 0.1.0
[INFO] finished tweaking crates.io crate bare-metrics-recorder 0.1.0
[INFO] tweaked toml for crates.io crate bare-metrics-recorder 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate bare-metrics-recorder 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded crc32fast v1.3.0
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded serde_derive v1.0.133
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.6
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded metrics v0.17.1
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.2
[INFO] [stderr]   Downloaded hdrhistogram v7.4.0
[INFO] [stderr]   Downloaded bare-metrics-core v0.1.0
[INFO] [stderr]   Downloaded metrics-macros v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1a0e8a1fdc6bf494136cf6bfb5b9719dd777e23b1e288fad5ba7d553c73bd2cc
[INFO] running `Command { std: "docker" "start" "-a" "1a0e8a1fdc6bf494136cf6bfb5b9719dd777e23b1e288fad5ba7d553c73bd2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0e8a1fdc6bf494136cf6bfb5b9719dd777e23b1e288fad5ba7d553c73bd2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0e8a1fdc6bf494136cf6bfb5b9719dd777e23b1e288fad5ba7d553c73bd2cc", kill_on_drop: false }`
[INFO] [stdout] 1a0e8a1fdc6bf494136cf6bfb5b9719dd777e23b1e288fad5ba7d553c73bd2cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 10ed0b930f9013bd79e74f1ed0e3a98cf92e2aa8fd32b263b3cb77146842aa51
[INFO] running `Command { std: "docker" "start" "-a" "10ed0b930f9013bd79e74f1ed0e3a98cf92e2aa8fd32b263b3cb77146842aa51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling metrics v0.17.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking hdrhistogram v7.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling metrics-macros v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]     Checking bare-metrics-core v0.1.0
[INFO] [stderr]  Documenting bare-metrics-recorder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.44s
[INFO] running `Command { std: "docker" "inspect" "10ed0b930f9013bd79e74f1ed0e3a98cf92e2aa8fd32b263b3cb77146842aa51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ed0b930f9013bd79e74f1ed0e3a98cf92e2aa8fd32b263b3cb77146842aa51", kill_on_drop: false }`
[INFO] [stdout] 10ed0b930f9013bd79e74f1ed0e3a98cf92e2aa8fd32b263b3cb77146842aa51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 02e0f5ee2ed32725ed021b5f4eb7c1d5bd03e16227c823bf7aa8760b083725fc
[INFO] running `Command { std: "docker" "start" "-a" "02e0f5ee2ed32725ed021b5f4eb7c1d5bd03e16227c823bf7aa8760b083725fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling metrics v0.17.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling metrics-macros v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking hdrhistogram v7.4.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]     Checking bare-metrics-core v0.1.0
[INFO] [stderr]  Documenting bare-metrics-recorder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.22s
[INFO] running `Command { std: "docker" "inspect" "02e0f5ee2ed32725ed021b5f4eb7c1d5bd03e16227c823bf7aa8760b083725fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e0f5ee2ed32725ed021b5f4eb7c1d5bd03e16227c823bf7aa8760b083725fc", kill_on_drop: false }`
[INFO] [stdout] 02e0f5ee2ed32725ed021b5f4eb7c1d5bd03e16227c823bf7aa8760b083725fc