[INFO] fetching crate constmuck 0.3.0...
[INFO] documenting constmuck-0.3.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate constmuck 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate constmuck 0.3.0 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate constmuck 0.3.0
[INFO] finished tweaking crates.io crate constmuck 0.3.0
[INFO] tweaked toml for crates.io crate constmuck 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97a57b1e05edc894aae1676fdb2cc09bf7d3cbbb590c4a21548d9b64bb5549e6
[INFO] running `Command { std: "docker" "start" "-a" "97a57b1e05edc894aae1676fdb2cc09bf7d3cbbb590c4a21548d9b64bb5549e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a57b1e05edc894aae1676fdb2cc09bf7d3cbbb590c4a21548d9b64bb5549e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a57b1e05edc894aae1676fdb2cc09bf7d3cbbb590c4a21548d9b64bb5549e6", kill_on_drop: false }`
[INFO] [stdout] 97a57b1e05edc894aae1676fdb2cc09bf7d3cbbb590c4a21548d9b64bb5549e6
[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=forbid" "-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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06540ffce0099ce7de1c0f03af3d8f0488ccc75c90235350061ef3fadc479914
[INFO] running `Command { std: "docker" "start" "-a" "06540ffce0099ce7de1c0f03af3d8f0488ccc75c90235350061ef3fadc479914", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking constmuck_internal v0.3.0
[INFO] [stderr]  Documenting constmuck v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/contiguous.rs:142:76
[INFO] [stdout]     |
[INFO] [stdout] 142 |         /// You can also use the [`IsContiguous`](macro@IsContiguous) or [`infer`] macros
[INFO] [stdout]     |                                                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/wrapper.rs:512:7
[INFO] [stdout]     |
[INFO] [stdout] 512 | /// [`infer`] cannot be passed as the `is_tw` argument.
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]    --> src/wrapper.rs:672:7
[INFO] [stdout]     |
[INFO] [stdout] 672 | /// [`infer`] cannot be passed as the `is_tw` argument.
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `constmuck`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name constmuck src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4b143537e5b68de1 -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-7c478c28391e6da4.rmeta --extern constmuck_internal=/opt/rustwide/target/debug/deps/libconstmuck_internal-f86e4aeb5c1f6e4d.rmeta --cap-lints=forbid --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "06540ffce0099ce7de1c0f03af3d8f0488ccc75c90235350061ef3fadc479914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06540ffce0099ce7de1c0f03af3d8f0488ccc75c90235350061ef3fadc479914", kill_on_drop: false }`
[INFO] [stdout] 06540ffce0099ce7de1c0f03af3d8f0488ccc75c90235350061ef3fadc479914