[INFO] fetching crate midi-port 0.1.0...
[INFO] documenting midi-port-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate midi-port 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate midi-port 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] removed /workspace/builds/worker-31/source/.cargo/config
[INFO] started tweaking crates.io crate midi-port 0.1.0
[INFO] finished tweaking crates.io crate midi-port 0.1.0
[INFO] tweaked toml for crates.io crate midi-port 0.1.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate midi-port 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 proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.5
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded panic-semihosting v0.5.3
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.6
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.10
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.5.0
[INFO] [stderr]   Downloaded stm32f4 v0.7.1
[INFO] [stderr]   Downloaded stm32f4 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 747511ce68bd3fb6c87eba03dfe913ed0f968431323110324e317635bacbbef2
[INFO] running `Command { std: "docker" "start" "-a" "747511ce68bd3fb6c87eba03dfe913ed0f968431323110324e317635bacbbef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747511ce68bd3fb6c87eba03dfe913ed0f968431323110324e317635bacbbef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747511ce68bd3fb6c87eba03dfe913ed0f968431323110324e317635bacbbef2", kill_on_drop: false }`
[INFO] [stdout] 747511ce68bd3fb6c87eba03dfe913ed0f968431323110324e317635bacbbef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] d96e1811eb6f2770385788f800d7e947747f9bb2a09cada6b4305cdd1db0c109
[INFO] running `Command { std: "docker" "start" "-a" "d96e1811eb6f2770385788f800d7e947747f9bb2a09cada6b4305cdd1db0c109", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]  Documenting midi-port v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.93s
[INFO] running `Command { std: "docker" "inspect" "d96e1811eb6f2770385788f800d7e947747f9bb2a09cada6b4305cdd1db0c109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96e1811eb6f2770385788f800d7e947747f9bb2a09cada6b4305cdd1db0c109", kill_on_drop: false }`
[INFO] [stdout] d96e1811eb6f2770385788f800d7e947747f9bb2a09cada6b4305cdd1db0c109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 6868ef3df4a175474880be9f9c61bf50987b86952d09d01b16c0568dd6226f61
[INFO] running `Command { std: "docker" "start" "-a" "6868ef3df4a175474880be9f9c61bf50987b86952d09d01b16c0568dd6226f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]  Documenting midi-port v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "6868ef3df4a175474880be9f9c61bf50987b86952d09d01b16c0568dd6226f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6868ef3df4a175474880be9f9c61bf50987b86952d09d01b16c0568dd6226f61", kill_on_drop: false }`
[INFO] [stdout] 6868ef3df4a175474880be9f9c61bf50987b86952d09d01b16c0568dd6226f61