[INFO] fetching crate qrs_detector 0.2.0...
[INFO] documenting qrs_detector-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate qrs_detector 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate qrs_detector 0.2.0 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 qrs_detector 0.2.0
[INFO] finished tweaking crates.io crate qrs_detector 0.2.0
[INFO] tweaked toml for crates.io crate qrs_detector 0.2.0 written to /workspace/builds/worker-21/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded sliding_window v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 696220062c899e3a630df17a909a2037926f6cda5e2ad7b970d3a38098e0f5a6
[INFO] running `Command { std: "docker" "start" "-a" "696220062c899e3a630df17a909a2037926f6cda5e2ad7b970d3a38098e0f5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696220062c899e3a630df17a909a2037926f6cda5e2ad7b970d3a38098e0f5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696220062c899e3a630df17a909a2037926f6cda5e2ad7b970d3a38098e0f5a6", kill_on_drop: false }`
[INFO] [stdout] 696220062c899e3a630df17a909a2037926f6cda5e2ad7b970d3a38098e0f5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 0b41167cbed74900b02044d3c951688fc733f61ff637766d31e00726dd8e6b9c
[INFO] running `Command { std: "docker" "start" "-a" "0b41167cbed74900b02044d3c951688fc733f61ff637766d31e00726dd8e6b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking sliding_window v0.1.2
[INFO] [stderr]  Documenting qrs_detector v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "0b41167cbed74900b02044d3c951688fc733f61ff637766d31e00726dd8e6b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b41167cbed74900b02044d3c951688fc733f61ff637766d31e00726dd8e6b9c", kill_on_drop: false }`
[INFO] [stdout] 0b41167cbed74900b02044d3c951688fc733f61ff637766d31e00726dd8e6b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] cd4804289a083c5b9771fc07e9fab32935d9135be562e8f932863b0f34907ab1
[INFO] running `Command { std: "docker" "start" "-a" "cd4804289a083c5b9771fc07e9fab32935d9135be562e8f932863b0f34907ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking sliding_window v0.1.2
[INFO] [stderr]  Documenting qrs_detector v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "cd4804289a083c5b9771fc07e9fab32935d9135be562e8f932863b0f34907ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4804289a083c5b9771fc07e9fab32935d9135be562e8f932863b0f34907ab1", kill_on_drop: false }`
[INFO] [stdout] cd4804289a083c5b9771fc07e9fab32935d9135be562e8f932863b0f34907ab1