[INFO] fetching crate with_tempdir 0.1.0...
[INFO] documenting with_tempdir-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate with_tempdir 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate with_tempdir 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 with_tempdir 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate with_tempdir 0.1.0
[INFO] tweaked toml for crates.io crate with_tempdir 0.1.0 written to /workspace/builds/worker-13/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2cfa6c18a12d560910b578e3aa1c5e939bf18649d46bc226421dad84e1c047ed
[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" "2cfa6c18a12d560910b578e3aa1c5e939bf18649d46bc226421dad84e1c047ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cfa6c18a12d560910b578e3aa1c5e939bf18649d46bc226421dad84e1c047ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfa6c18a12d560910b578e3aa1c5e939bf18649d46bc226421dad84e1c047ed", kill_on_drop: false }`
[INFO] [stdout] 2cfa6c18a12d560910b578e3aa1c5e939bf18649d46bc226421dad84e1c047ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5388748e423643ffbaea744ca512a1510f6adffb848106c4f26a62595fffdd77
[INFO] running `Command { std: "docker" "start" "-a" "5388748e423643ffbaea744ca512a1510f6adffb848106c4f26a62595fffdd77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]  Documenting with_tempdir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stdout]   --> src/lib.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 | use syn::{parse_macro_input, AttributeArgs, ItemFn, Lit, Meta, NestedMeta};
[INFO] [stdout]    |                                             ^^^^^^ no `ItemFn` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `with_tempdir`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name with_tempdir src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2cbb71d81010b4c0 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-42b8f402e5615b33.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45a3d718982da057.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-370674f8412a7c95.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-14514afe1b15d91e.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5388748e423643ffbaea744ca512a1510f6adffb848106c4f26a62595fffdd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5388748e423643ffbaea744ca512a1510f6adffb848106c4f26a62595fffdd77", kill_on_drop: false }`
[INFO] [stdout] 5388748e423643ffbaea744ca512a1510f6adffb848106c4f26a62595fffdd77