[INFO] fetching crate cortex-m-asm 0.1.2...
[INFO] documenting cortex-m-asm-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate cortex-m-asm 0.1.2 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate cortex-m-asm 0.1.2 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 cortex-m-asm 0.1.2
[INFO] finished tweaking crates.io crate cortex-m-asm 0.1.2
[INFO] tweaked toml for crates.io crate cortex-m-asm 0.1.2 written to /workspace/builds/worker-85/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 30113ca17c3a47ac77a7b30c6c6319112038a16686891244cc91b4ac5efd310f
[INFO] running `Command { std: "docker" "start" "-a" "30113ca17c3a47ac77a7b30c6c6319112038a16686891244cc91b4ac5efd310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30113ca17c3a47ac77a7b30c6c6319112038a16686891244cc91b4ac5efd310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30113ca17c3a47ac77a7b30c6c6319112038a16686891244cc91b4ac5efd310f", kill_on_drop: false }`
[INFO] [stdout] 30113ca17c3a47ac77a7b30c6c6319112038a16686891244cc91b4ac5efd310f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] a15dee3aa8c610e893fddd0dbcda81a1f6aacd88bce3ad9b7d6835bccb6ab805
[INFO] running `Command { std: "docker" "start" "-a" "a15dee3aa8c610e893fddd0dbcda81a1f6aacd88bce3ad9b7d6835bccb6ab805", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-asm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cortex-m-asm v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `missing_safety_doc`
[INFO] [stdout]  --> src/lib.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![allow(unused_unsafe, missing_safety_doc)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cortex-m-asm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name cortex_m_asm src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9ecaf130ec773c7c -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a15dee3aa8c610e893fddd0dbcda81a1f6aacd88bce3ad9b7d6835bccb6ab805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15dee3aa8c610e893fddd0dbcda81a1f6aacd88bce3ad9b7d6835bccb6ab805", kill_on_drop: false }`
[INFO] [stdout] a15dee3aa8c610e893fddd0dbcda81a1f6aacd88bce3ad9b7d6835bccb6ab805