[INFO] fetching crate nucleo-l031k6-bsp 0.2.0...
[INFO] documenting nucleo-l031k6-bsp-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate nucleo-l031k6-bsp 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nucleo-l031k6-bsp 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] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate nucleo-l031k6-bsp 0.2.0
[INFO] finished tweaking crates.io crate nucleo-l031k6-bsp 0.2.0
[INFO] tweaked toml for crates.io crate nucleo-l031k6-bsp 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nucleo-l031k6-bsp 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f6167d8abde9e5e00510989b52041e0ec04c427b3201be3dddc62f84afc08543
[INFO] running `Command { std: "docker" "start" "-a" "f6167d8abde9e5e00510989b52041e0ec04c427b3201be3dddc62f84afc08543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6167d8abde9e5e00510989b52041e0ec04c427b3201be3dddc62f84afc08543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6167d8abde9e5e00510989b52041e0ec04c427b3201be3dddc62f84afc08543", kill_on_drop: false }`
[INFO] [stdout] f6167d8abde9e5e00510989b52041e0ec04c427b3201be3dddc62f84afc08543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c17b692a263e27b1bc9809b459c3e4642aa7af5bad522b56eb44d92b2c5056e1
[INFO] running `Command { std: "docker" "start" "-a" "c17b692a263e27b1bc9809b459c3e4642aa7af5bad522b56eb44d92b2c5056e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32l0 v0.11.0
[INFO] [stderr]     Checking flash-embedded-hal v0.1.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32l0x1-hal v0.9.0
[INFO] [stderr]  Documenting nucleo-l031k6-bsp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 20.54s
[INFO] running `Command { std: "docker" "inspect" "c17b692a263e27b1bc9809b459c3e4642aa7af5bad522b56eb44d92b2c5056e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17b692a263e27b1bc9809b459c3e4642aa7af5bad522b56eb44d92b2c5056e1", kill_on_drop: false }`
[INFO] [stdout] c17b692a263e27b1bc9809b459c3e4642aa7af5bad522b56eb44d92b2c5056e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7b8cb54b38f3ca46c9a514059a5cf9ec3c3000f40a86325de128e3a6469e66af
[INFO] running `Command { std: "docker" "start" "-a" "7b8cb54b38f3ca46c9a514059a5cf9ec3c3000f40a86325de128e3a6469e66af", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling stm32l0 v0.11.0
[INFO] [stderr]     Checking flash-embedded-hal v0.1.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32l0x1-hal v0.9.0
[INFO] [stderr]  Documenting nucleo-l031k6-bsp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 24.74s
[INFO] running `Command { std: "docker" "inspect" "7b8cb54b38f3ca46c9a514059a5cf9ec3c3000f40a86325de128e3a6469e66af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8cb54b38f3ca46c9a514059a5cf9ec3c3000f40a86325de128e3a6469e66af", kill_on_drop: false }`
[INFO] [stdout] 7b8cb54b38f3ca46c9a514059a5cf9ec3c3000f40a86325de128e3a6469e66af