[INFO] fetching crate uptown_funk_macro 0.1.2...
[INFO] testing uptown_funk_macro-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate uptown_funk_macro 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uptown_funk_macro 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d18037c68ab0135e41bb3acdda2b92195da6385229a18b2834c625d813a7eb58
[INFO] running `Command { std: "docker" "start" "-a" "d18037c68ab0135e41bb3acdda2b92195da6385229a18b2834c625d813a7eb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18037c68ab0135e41bb3acdda2b92195da6385229a18b2834c625d813a7eb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18037c68ab0135e41bb3acdda2b92195da6385229a18b2834c625d813a7eb58", kill_on_drop: false }`
[INFO] [stdout] d18037c68ab0135e41bb3acdda2b92195da6385229a18b2834c625d813a7eb58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecd6d898312e01991da57313ac65e9d8705ca45841288c2d08125a2a09999903
[INFO] running `Command { std: "docker" "start" "-a" "ecd6d898312e01991da57313ac65e9d8705ca45841288c2d08125a2a09999903", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling 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 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "ecd6d898312e01991da57313ac65e9d8705ca45841288c2d08125a2a09999903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd6d898312e01991da57313ac65e9d8705ca45841288c2d08125a2a09999903", kill_on_drop: false }`
[INFO] [stdout] ecd6d898312e01991da57313ac65e9d8705ca45841288c2d08125a2a09999903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea2cad0c1b180255e98356b1e05a381ffebefe7b86d40dd54e750a3f64b9b52
[INFO] running `Command { std: "docker" "start" "-a" "5ea2cad0c1b180255e98356b1e05a381ffebefe7b86d40dd54e750a3f64b9b52", kill_on_drop: false }`
[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: 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] [stderr]    Compiling uptown_funk_macro v0.1.2 (/opt/rustwide/workdir)
[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: 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: 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 test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "5ea2cad0c1b180255e98356b1e05a381ffebefe7b86d40dd54e750a3f64b9b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea2cad0c1b180255e98356b1e05a381ffebefe7b86d40dd54e750a3f64b9b52", kill_on_drop: false }`
[INFO] [stdout] 5ea2cad0c1b180255e98356b1e05a381ffebefe7b86d40dd54e750a3f64b9b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c30e384c70f40e5f5f4546e3731893fe4089d752fcbd1e06ee094d0e6abef5fd
[INFO] running `Command { std: "docker" "start" "-a" "c30e384c70f40e5f5f4546e3731893fe4089d752fcbd1e06ee094d0e6abef5fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ImplItem::Method`
[INFO] [stderr]   --> src/lib.rs:11:45
[INFO] [stderr]    |
[INFO] [stderr] 11 | use syn::{parse_macro_input, AttributeArgs, ImplItem::Method, ItemImpl};
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `namespace`
[INFO] [stderr]   --> src/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let namespace = match attribute::get_namespace(&attribute) {
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_namespace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/inputs.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform_path`
[INFO] [stderr]    --> src/signature/inputs.rs:199:4
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn transform_path(path: &Path) -> Transformation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform_reference`
[INFO] [stderr]    --> src/signature/inputs.rs:219:4
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn transform_reference(reference: &TypeReference) -> Transformation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/signature/inputs.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CustomType`
[INFO] [stderr]    --> src/signature/inputs.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     CustomType,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefCustomType`
[INFO] [stderr]    --> src/signature/inputs.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     RefCustomType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefStr`
[INFO] [stderr]    --> src/signature/inputs.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     RefStr,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefMutSlice`
[INFO] [stderr]    --> src/signature/inputs.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     RefMutSlice,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefSliceIoSlices`
[INFO] [stderr]    --> src/signature/inputs.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     RefSliceIoSlices,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefMutSliceIoSlicesMut`
[INFO] [stderr]    --> src/signature/inputs.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     RefMutSliceIoSlicesMut,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unsupported`
[INFO] [stderr]    --> src/signature/inputs.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 |     Unsupported,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/outputs.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_output`
[INFO] [stderr]    --> src/signature/outputs.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn first_output(type_path: &TypePath) -> Result<(TokenStream2, TokenStream2), TokenStream> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `self_error`
[INFO] [stderr]   --> src/signature/mod.rs:90:4
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn self_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `arg_error`
[INFO] [stderr]   --> src/signature/mod.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn arg_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_error`
[INFO] [stderr]    --> src/signature/mod.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn return_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImplItem::Method`
[INFO] [stderr]   --> src/lib.rs:11:45
[INFO] [stderr]    |
[INFO] [stderr] 11 | use syn::{parse_macro_input, AttributeArgs, ImplItem::Method, ItemImpl};
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `namespace`
[INFO] [stderr]   --> src/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let namespace = match attribute::get_namespace(&attribute) {
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_namespace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/inputs.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform_path`
[INFO] [stderr]    --> src/signature/inputs.rs:199:4
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn transform_path(path: &Path) -> Transformation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform_reference`
[INFO] [stderr]    --> src/signature/inputs.rs:219:4
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn transform_reference(reference: &TypeReference) -> Transformation {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/signature/inputs.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CustomType`
[INFO] [stderr]    --> src/signature/inputs.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     CustomType,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefCustomType`
[INFO] [stderr]    --> src/signature/inputs.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     RefCustomType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefStr`
[INFO] [stderr]    --> src/signature/inputs.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     RefStr,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefMutSlice`
[INFO] [stderr]    --> src/signature/inputs.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     RefMutSlice,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefSliceIoSlices`
[INFO] [stderr]    --> src/signature/inputs.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     RefSliceIoSlices,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RefMutSliceIoSlicesMut`
[INFO] [stderr]    --> src/signature/inputs.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     RefMutSliceIoSlicesMut,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unsupported`
[INFO] [stderr]    --> src/signature/inputs.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 |     Unsupported,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/outputs.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_output`
[INFO] [stderr]    --> src/signature/outputs.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn first_output(type_path: &TypePath) -> Result<(TokenStream2, TokenStream2), TokenStream> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transform`
[INFO] [stderr]   --> src/signature/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn transform(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `self_error`
[INFO] [stderr]   --> src/signature/mod.rs:90:4
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn self_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `arg_error`
[INFO] [stderr]   --> src/signature/mod.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn arg_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_error`
[INFO] [stderr]    --> src/signature/mod.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn return_error<S: Spanned>(location: S) -> TokenStream {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uptown_funk_macro-bf2a7ec7448f6d36)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uptown_funk_macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c30e384c70f40e5f5f4546e3731893fe4089d752fcbd1e06ee094d0e6abef5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30e384c70f40e5f5f4546e3731893fe4089d752fcbd1e06ee094d0e6abef5fd", kill_on_drop: false }`
[INFO] [stdout] c30e384c70f40e5f5f4546e3731893fe4089d752fcbd1e06ee094d0e6abef5fd