[INFO] fetching crate nonzero_ext 0.3.0...
[INFO] documenting nonzero_ext-0.3.0 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate nonzero_ext 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nonzero_ext 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 nonzero_ext 0.3.0
[INFO] finished tweaking crates.io crate nonzero_ext 0.3.0
[INFO] tweaked toml for crates.io crate nonzero_ext 0.3.0 written to /workspace/builds/worker-14/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] db1a3ef38cf8a1dc2c786e6e9927fae8ce2c9fcaabffc8ee2816dc5e705b1cb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db1a3ef38cf8a1dc2c786e6e9927fae8ce2c9fcaabffc8ee2816dc5e705b1cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db1a3ef38cf8a1dc2c786e6e9927fae8ce2c9fcaabffc8ee2816dc5e705b1cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1a3ef38cf8a1dc2c786e6e9927fae8ce2c9fcaabffc8ee2816dc5e705b1cb6", kill_on_drop: false }`
[INFO] [stdout] db1a3ef38cf8a1dc2c786e6e9927fae8ce2c9fcaabffc8ee2816dc5e705b1cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f26407aa2a4a3f1e827d25f973e4f63cf039f578b6234f976cbaeed46bc113e5
[INFO] running `Command { std: "docker" "start" "-a" "f26407aa2a4a3f1e827d25f973e4f63cf039f578b6234f976cbaeed46bc113e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting nonzero_ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/literals.rs:11:59
[INFO] [stdout]    |
[INFO] [stdout] 11 | /// A representation of a non-zero literal. Used by the [`nonzero!`] macro.
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `nonzero_ext`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name nonzero_ext src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1148ffb84be337db -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f26407aa2a4a3f1e827d25f973e4f63cf039f578b6234f976cbaeed46bc113e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26407aa2a4a3f1e827d25f973e4f63cf039f578b6234f976cbaeed46bc113e5", kill_on_drop: false }`
[INFO] [stdout] f26407aa2a4a3f1e827d25f973e4f63cf039f578b6234f976cbaeed46bc113e5