[INFO] fetching crate pdf_derive 0.1.22...
[INFO] checking pdf_derive-0.1.22 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate pdf_derive 0.1.22 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pdf_derive 0.1.22 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdf_derive 0.1.22
[INFO] finished tweaking crates.io crate pdf_derive 0.1.22
[INFO] tweaked toml for crates.io crate pdf_derive 0.1.22 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce794cd3a4486c7fcb722b5d60eec6a03fa9e1a403952b515ec534784171656
[INFO] running `Command { std: "docker" "start" "-a" "8ce794cd3a4486c7fcb722b5d60eec6a03fa9e1a403952b515ec534784171656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce794cd3a4486c7fcb722b5d60eec6a03fa9e1a403952b515ec534784171656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce794cd3a4486c7fcb722b5d60eec6a03fa9e1a403952b515ec534784171656", kill_on_drop: false }`
[INFO] [stdout] 8ce794cd3a4486c7fcb722b5d60eec6a03fa9e1a403952b515ec534784171656
[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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd029e77894d91b613b9ba1f9e7b0499140c959d50bd40a6f3e50ace6332f53
[INFO] running `Command { std: "docker" "start" "-a" "acd029e77894d91b613b9ba1f9e7b0499140c959d50bd40a6f3e50ace6332f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking pdf_derive v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:560:29
[INFO] [stdout]     |
[INFO] [stdout] 560 |             if let Some(ref ty) = opt {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/lib.rs:560:29
[INFO] [stdout]     |
[INFO] [stdout] 560 |             if let Some(ref ty) = opt {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "acd029e77894d91b613b9ba1f9e7b0499140c959d50bd40a6f3e50ace6332f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd029e77894d91b613b9ba1f9e7b0499140c959d50bd40a6f3e50ace6332f53", kill_on_drop: false }`
[INFO] [stdout] acd029e77894d91b613b9ba1f9e7b0499140c959d50bd40a6f3e50ace6332f53