[INFO] fetching crate uptown_funk_macro 0.1.2...
[INFO] checking uptown_funk_macro-0.1.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate uptown_funk_macro 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate uptown_funk_macro 0.1.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uptown_funk_macro 0.1.2
[INFO] finished tweaking crates.io crate uptown_funk_macro 0.1.2
[INFO] tweaked toml for crates.io crate uptown_funk_macro 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc60f26905d3609bdbb446502e355805b97d3019ee9752fb4319cfc9a535ef4d
[INFO] running `Command { std: "docker" "start" "-a" "fc60f26905d3609bdbb446502e355805b97d3019ee9752fb4319cfc9a535ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc60f26905d3609bdbb446502e355805b97d3019ee9752fb4319cfc9a535ef4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc60f26905d3609bdbb446502e355805b97d3019ee9752fb4319cfc9a535ef4d", kill_on_drop: false }`
[INFO] [stdout] fc60f26905d3609bdbb446502e355805b97d3019ee9752fb4319cfc9a535ef4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2c8435c7cc312bf3cdc0e3b38643196ba7d6d53b38732feb729bb276902cd8
[INFO] running `Command { std: "docker" "start" "-a" "4f2c8435c7cc312bf3cdc0e3b38643196ba7d6d53b38732feb729bb276902cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking uptown_funk_macro v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ImplItem::Method`
[INFO] [stdout]   --> src/lib.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::{parse_macro_input, AttributeArgs, ImplItem::Method, ItemImpl};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImplItem::Method`
[INFO] [stdout]   --> src/lib.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::{parse_macro_input, AttributeArgs, ImplItem::Method, ItemImpl};
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `namespace`
[INFO] [stdout]   --> src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let namespace = match attribute::get_namespace(&attribute) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `namespace`
[INFO] [stdout]   --> src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let namespace = match attribute::get_namespace(&attribute) {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/inputs.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform_path`
[INFO] [stdout]    --> src/signature/inputs.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn transform_path(path: &Path) -> Transformation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform_reference`
[INFO] [stdout]    --> src/signature/inputs.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn transform_reference(reference: &TypeReference) -> Transformation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/signature/inputs.rs:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CustomType`
[INFO] [stdout]    --> src/signature/inputs.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     CustomType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefCustomType`
[INFO] [stdout]    --> src/signature/inputs.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     RefCustomType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefStr`
[INFO] [stdout]    --> src/signature/inputs.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 |     RefStr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefMutSlice`
[INFO] [stdout]    --> src/signature/inputs.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     RefMutSlice,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefSliceIoSlices`
[INFO] [stdout]    --> src/signature/inputs.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 |     RefSliceIoSlices,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefMutSliceIoSlicesMut`
[INFO] [stdout]    --> src/signature/inputs.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     RefMutSliceIoSlicesMut,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unsupported`
[INFO] [stdout]    --> src/signature/inputs.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     Unsupported,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/outputs.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_output`
[INFO] [stdout]    --> src/signature/outputs.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn first_output(type_path: &TypePath) -> Result<(TokenStream2, TokenStream2), TokenStream> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `self_error`
[INFO] [stdout]   --> src/signature/mod.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn self_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg_error`
[INFO] [stdout]   --> src/signature/mod.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn arg_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_error`
[INFO] [stdout]    --> src/signature/mod.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn return_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/inputs.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform_path`
[INFO] [stdout]    --> src/signature/inputs.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn transform_path(path: &Path) -> Transformation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform_reference`
[INFO] [stdout]    --> src/signature/inputs.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn transform_reference(reference: &TypeReference) -> Transformation {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/signature/inputs.rs:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CustomType`
[INFO] [stdout]    --> src/signature/inputs.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     CustomType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefCustomType`
[INFO] [stdout]    --> src/signature/inputs.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     RefCustomType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefStr`
[INFO] [stdout]    --> src/signature/inputs.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 |     RefStr,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefMutSlice`
[INFO] [stdout]    --> src/signature/inputs.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     RefMutSlice,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefSliceIoSlices`
[INFO] [stdout]    --> src/signature/inputs.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 |     RefSliceIoSlices,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RefMutSliceIoSlicesMut`
[INFO] [stdout]    --> src/signature/inputs.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     RefMutSliceIoSlicesMut,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unsupported`
[INFO] [stdout]    --> src/signature/inputs.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     Unsupported,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/outputs.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_output`
[INFO] [stdout]    --> src/signature/outputs.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn first_output(type_path: &TypePath) -> Result<(TokenStream2, TokenStream2), TokenStream> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform`
[INFO] [stdout]   --> src/signature/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn transform(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `self_error`
[INFO] [stdout]   --> src/signature/mod.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn self_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg_error`
[INFO] [stdout]   --> src/signature/mod.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn arg_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_error`
[INFO] [stdout]    --> src/signature/mod.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn return_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "4f2c8435c7cc312bf3cdc0e3b38643196ba7d6d53b38732feb729bb276902cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2c8435c7cc312bf3cdc0e3b38643196ba7d6d53b38732feb729bb276902cd8", kill_on_drop: false }`
[INFO] [stdout] 4f2c8435c7cc312bf3cdc0e3b38643196ba7d6d53b38732feb729bb276902cd8