[INFO] fetching crate ptah_derive 0.1.0...
[INFO] checking ptah_derive-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ptah_derive 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ptah_derive 0.1.0 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 ptah_derive 0.1.0
[INFO] finished tweaking crates.io crate ptah_derive 0.1.0
[INFO] tweaked toml for crates.io crate ptah_derive 0.1.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5201faa2e110c73874b97da718cbd4cf337e2494efb44e8637beaad68d528f30
[INFO] running `Command { std: "docker" "start" "-a" "5201faa2e110c73874b97da718cbd4cf337e2494efb44e8637beaad68d528f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5201faa2e110c73874b97da718cbd4cf337e2494efb44e8637beaad68d528f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5201faa2e110c73874b97da718cbd4cf337e2494efb44e8637beaad68d528f30", kill_on_drop: false }`
[INFO] [stdout] 5201faa2e110c73874b97da718cbd4cf337e2494efb44e8637beaad68d528f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4f16c5fe59ee616f9844f63b7cb5d98a9c85dfc4d142db5cf51da4ae7dd3a0b7
[INFO] running `Command { std: "docker" "start" "-a" "4f16c5fe59ee616f9844f63b7cb5d98a9c85dfc4d142db5cf51da4ae7dd3a0b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking ptah_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_name`
[INFO] [stdout]    --> src/de.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn generate_for_enum(enum_name: &Ident, data: &DataEnum) -> TokenStream {
[INFO] [stdout]     |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `union_data`
[INFO] [stdout]   --> src/ser.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Data::Union(union_data) => todo!(),
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_union_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "4f16c5fe59ee616f9844f63b7cb5d98a9c85dfc4d142db5cf51da4ae7dd3a0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f16c5fe59ee616f9844f63b7cb5d98a9c85dfc4d142db5cf51da4ae7dd3a0b7", kill_on_drop: false }`
[INFO] [stdout] 4f16c5fe59ee616f9844f63b7cb5d98a9c85dfc4d142db5cf51da4ae7dd3a0b7