[INFO] fetching crate paw-attributes 1.0.2...
[INFO] testing paw-attributes-1.0.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate paw-attributes 1.0.2 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate paw-attributes 1.0.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paw-attributes 1.0.2
[INFO] finished tweaking crates.io crate paw-attributes 1.0.2
[INFO] tweaked toml for crates.io crate paw-attributes 1.0.2 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91dded8149002e2811390a6b8cd09a8f1e29da9795ceaf1dc5473edeae612f30
[INFO] running `Command { std: "docker" "start" "-a" "91dded8149002e2811390a6b8cd09a8f1e29da9795ceaf1dc5473edeae612f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91dded8149002e2811390a6b8cd09a8f1e29da9795ceaf1dc5473edeae612f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dded8149002e2811390a6b8cd09a8f1e29da9795ceaf1dc5473edeae612f30", kill_on_drop: false }`
[INFO] [stdout] 91dded8149002e2811390a6b8cd09a8f1e29da9795ceaf1dc5473edeae612f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28660dd58f5cfa880ff7946101be91ca9876b0f0fedd4d631bac51c88ef306a7
[INFO] running `Command { std: "docker" "start" "-a" "28660dd58f5cfa880ff7946101be91ca9876b0f0fedd4d631bac51c88ef306a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling paw-attributes v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate proc_macro;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[forbid(unused_extern_crates)]` implied by `#[forbid(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paw-attributes` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "28660dd58f5cfa880ff7946101be91ca9876b0f0fedd4d631bac51c88ef306a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28660dd58f5cfa880ff7946101be91ca9876b0f0fedd4d631bac51c88ef306a7", kill_on_drop: false }`
[INFO] [stdout] 28660dd58f5cfa880ff7946101be91ca9876b0f0fedd4d631bac51c88ef306a7