[INFO] fetching crate pdf_derive 0.1.22...
[INFO] checking pdf_derive-0.1.22 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate pdf_derive 0.1.22 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pdf_derive 0.1.22 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70af73f5595e23a25d4741ddc7afc0c82062d8482d24c3b2ef370f7de2b9005c
[INFO] running `Command { std: "docker" "start" "-a" "70af73f5595e23a25d4741ddc7afc0c82062d8482d24c3b2ef370f7de2b9005c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70af73f5595e23a25d4741ddc7afc0c82062d8482d24c3b2ef370f7de2b9005c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70af73f5595e23a25d4741ddc7afc0c82062d8482d24c3b2ef370f7de2b9005c", kill_on_drop: false }`
[INFO] [stdout] 70af73f5595e23a25d4741ddc7afc0c82062d8482d24c3b2ef370f7de2b9005c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a018fa2833620ad204d40940332b7c845992a73318f40de45b740d28ee84ada
[INFO] running `Command { std: "docker" "start" "-a" "4a018fa2833620ad204d40940332b7c845992a73318f40de45b740d28ee84ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[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 5.63s
[INFO] running `Command { std: "docker" "inspect" "4a018fa2833620ad204d40940332b7c845992a73318f40de45b740d28ee84ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a018fa2833620ad204d40940332b7c845992a73318f40de45b740d28ee84ada", kill_on_drop: false }`
[INFO] [stdout] 4a018fa2833620ad204d40940332b7c845992a73318f40de45b740d28ee84ada