[INFO] fetching crate proto-vulcan-macros 0.1.6...
[INFO] checking proto-vulcan-macros-0.1.6 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate proto-vulcan-macros 0.1.6 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate proto-vulcan-macros 0.1.6 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proto-vulcan-macros 0.1.6
[INFO] finished tweaking crates.io crate proto-vulcan-macros 0.1.6
[INFO] tweaked toml for crates.io crate proto-vulcan-macros 0.1.6 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133e1f87ef231ffdcea23e24d7d442f261b3b10dc9162651b3a31160ae259d40
[INFO] running `Command { std: "docker" "start" "-a" "133e1f87ef231ffdcea23e24d7d442f261b3b10dc9162651b3a31160ae259d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133e1f87ef231ffdcea23e24d7d442f261b3b10dc9162651b3a31160ae259d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133e1f87ef231ffdcea23e24d7d442f261b3b10dc9162651b3a31160ae259d40", kill_on_drop: false }`
[INFO] [stdout] 133e1f87ef231ffdcea23e24d7d442f261b3b10dc9162651b3a31160ae259d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0296322e4d607c522c2ca621dd830451b42ec22cbf61100add092954a57856
[INFO] running `Command { std: "docker" "start" "-a" "2b0296322e4d607c522c2ca621dd830451b42ec22cbf61100add092954a57856", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking proto-vulcan-macros v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:369:5
[INFO] [stdout]     |
[INFO] [stdout] 369 |     paren_token: Option<Paren>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]    --> src/lib.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     brace_token: Option<Brace>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 412 |     paren_token: Paren,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]    --> src/lib.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     path: Punctuated<Ident, Token![::]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_snake_case`
[INFO] [stdout]    --> src/lib.rs:851:5
[INFO] [stdout]     |
[INFO] [stdout] 851 |     num_snake_case: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:947:5
[INFO] [stdout]     |
[INFO] [stdout] 947 |     paren_token: Option<Paren>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]    --> src/lib.rs:979:5
[INFO] [stdout]     |
[INFO] [stdout] 979 |     brace_token: Option<Brace>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arrow`
[INFO] [stdout]     --> src/lib.rs:1111:5
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     arrow: Token![=>],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]     --> src/lib.rs:1112:5
[INFO] [stdout]      |
[INFO] [stdout] 1112 |     brace_token: Option<Brace>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `for_token`
[INFO] [stdout]     --> src/lib.rs:1282:5
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     for_token: Token![for],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_token`
[INFO] [stdout]     --> src/lib.rs:1284:5
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     in_token: Token![in],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]     --> src/lib.rs:1286:5
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     brace_token: Brace,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:369:5
[INFO] [stdout]     |
[INFO] [stdout] 369 |     paren_token: Option<Paren>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]    --> src/lib.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     brace_token: Option<Brace>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:412:5
[INFO] [stdout]     |
[INFO] [stdout] 412 |     paren_token: Paren,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]    --> src/lib.rs:850:5
[INFO] [stdout]     |
[INFO] [stdout] 850 |     path: Punctuated<Ident, Token![::]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_snake_case`
[INFO] [stdout]    --> src/lib.rs:851:5
[INFO] [stdout]     |
[INFO] [stdout] 851 |     num_snake_case: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren_token`
[INFO] [stdout]    --> src/lib.rs:947:5
[INFO] [stdout]     |
[INFO] [stdout] 947 |     paren_token: Option<Paren>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]    --> src/lib.rs:979:5
[INFO] [stdout]     |
[INFO] [stdout] 979 |     brace_token: Option<Brace>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arrow`
[INFO] [stdout]     --> src/lib.rs:1111:5
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     arrow: Token![=>],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]     --> src/lib.rs:1112:5
[INFO] [stdout]      |
[INFO] [stdout] 1112 |     brace_token: Option<Brace>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `for_token`
[INFO] [stdout]     --> src/lib.rs:1282:5
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     for_token: Token![for],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_token`
[INFO] [stdout]     --> src/lib.rs:1284:5
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     in_token: Token![in],
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace_token`
[INFO] [stdout]     --> src/lib.rs:1286:5
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     brace_token: Brace,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.41s
[INFO] running `Command { std: "docker" "inspect" "2b0296322e4d607c522c2ca621dd830451b42ec22cbf61100add092954a57856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0296322e4d607c522c2ca621dd830451b42ec22cbf61100add092954a57856", kill_on_drop: false }`
[INFO] [stdout] 2b0296322e4d607c522c2ca621dd830451b42ec22cbf61100add092954a57856