[INFO] fetching crate tsc-time 0.1.0...
[INFO] documenting tsc-time-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tsc-time 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tsc-time 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 tsc-time 0.1.0
[INFO] finished tweaking crates.io crate tsc-time 0.1.0
[INFO] tweaked toml for crates.io crate tsc-time 0.1.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 211cd148e5262b2a3f85800b5687e5360b60a8717a7af301c3252c46cd9d1c03
[INFO] running `Command { std: "docker" "start" "-a" "211cd148e5262b2a3f85800b5687e5360b60a8717a7af301c3252c46cd9d1c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211cd148e5262b2a3f85800b5687e5360b60a8717a7af301c3252c46cd9d1c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211cd148e5262b2a3f85800b5687e5360b60a8717a7af301c3252c46cd9d1c03", kill_on_drop: false }`
[INFO] [stdout] 211cd148e5262b2a3f85800b5687e5360b60a8717a7af301c3252c46cd9d1c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1f7f0e188e5e802e7e4ab55631f34ca584c8ae14878b0400ee6cff952cd6b031
[INFO] running `Command { std: "docker" "start" "-a" "1f7f0e188e5e802e7e4ab55631f34ca584c8ae14878b0400ee6cff952cd6b031", kill_on_drop: false }`
[INFO] [stderr]  Documenting tsc-time v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(asm, stdsimd, test)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(asm, stdsimd, test)]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(asm, stdsimd, test)]
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `span`
[INFO] [stdout]    --> src/lib.rs:174:53
[INFO] [stdout]     |
[INFO] [stdout] 174 |     /// Returns the overhead that is intrinsic to [`span`].
[INFO] [stdout]     |                                                     ^^^^ no item named `span` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tsc-time`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tsc_time src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42d85bffbbd9922d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1f7f0e188e5e802e7e4ab55631f34ca584c8ae14878b0400ee6cff952cd6b031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7f0e188e5e802e7e4ab55631f34ca584c8ae14878b0400ee6cff952cd6b031", kill_on_drop: false }`
[INFO] [stdout] 1f7f0e188e5e802e7e4ab55631f34ca584c8ae14878b0400ee6cff952cd6b031