[INFO] fetching crate impl-template 1.0.0-alpha...
[INFO] documenting impl-template-1.0.0-alpha against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate impl-template 1.0.0-alpha into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate impl-template 1.0.0-alpha on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impl-template 1.0.0-alpha
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate impl-template 1.0.0-alpha
[INFO] tweaked toml for crates.io crate impl-template 1.0.0-alpha written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded basic-toml v0.1.8
[INFO] [stderr]   Downloaded trybuild v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 965a1ccfc8f5daea8c98be03b90abf801fddd0cb818335bdac0e200f12555d20
[INFO] running `Command { std: "docker" "start" "-a" "965a1ccfc8f5daea8c98be03b90abf801fddd0cb818335bdac0e200f12555d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965a1ccfc8f5daea8c98be03b90abf801fddd0cb818335bdac0e200f12555d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965a1ccfc8f5daea8c98be03b90abf801fddd0cb818335bdac0e200f12555d20", kill_on_drop: false }`
[INFO] [stdout] 965a1ccfc8f5daea8c98be03b90abf801fddd0cb818335bdac0e200f12555d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b45daa2f8fda3d230d1ba2b79ebc67d71ac4d18a7b4ee7a07794f846131eab7a
[INFO] running `Command { std: "docker" "start" "-a" "b45daa2f8fda3d230d1ba2b79ebc67d71ac4d18a7b4ee7a07794f846131eab7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]  Documenting impl-template v1.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/find_patterns.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::export::Span;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/render.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::export::Span;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[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 `impl-template`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name impl_template src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=470396a2d7c8a51f -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fb567a9e6ad2834f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-608190bfc6443fc9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bab11d7a43309635.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e8eb9ccae10a1ce9.rmeta --extern proc_macro --cap-lints=warn --crate-version 1.0.0-alpha` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b45daa2f8fda3d230d1ba2b79ebc67d71ac4d18a7b4ee7a07794f846131eab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45daa2f8fda3d230d1ba2b79ebc67d71ac4d18a7b4ee7a07794f846131eab7a", kill_on_drop: false }`
[INFO] [stdout] b45daa2f8fda3d230d1ba2b79ebc67d71ac4d18a7b4ee7a07794f846131eab7a
