[INFO] fetching crate vex-rt-macros 1.0.0-rc.5...
[INFO] building vex-rt-macros-1.0.0-rc.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate vex-rt-macros 1.0.0-rc.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vex-rt-macros 1.0.0-rc.5
[INFO] finished tweaking crates.io crate vex-rt-macros 1.0.0-rc.5
[INFO] tweaked toml for crates.io crate vex-rt-macros 1.0.0-rc.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vex-rt-macros 1.0.0-rc.5 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding generics-util v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generics-util v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5653dea09f7621c5fee448f94258a4aaaa94b536cba314b839edb253d2aaea3d
[INFO] running `Command { std: "docker" "start" "-a" "5653dea09f7621c5fee448f94258a4aaaa94b536cba314b839edb253d2aaea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5653dea09f7621c5fee448f94258a4aaaa94b536cba314b839edb253d2aaea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5653dea09f7621c5fee448f94258a4aaaa94b536cba314b839edb253d2aaea3d", kill_on_drop: false }`
[INFO] [stdout] 5653dea09f7621c5fee448f94258a4aaaa94b536cba314b839edb253d2aaea3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1270389994d046efadbff91f51f7fb4cff7406d8c30b38e105e2c5b01d777eb0
[INFO] running `Command { std: "docker" "start" "-a" "1270389994d046efadbff91f51f7fb4cff7406d8c30b38e105e2c5b01d777eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling generics-util v0.1.0
[INFO] [stderr]    Compiling vex-rt-macros v1.0.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]  --> src/state_machine/attributes.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StackDepthAttr {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 8 |     pub eq: Token![=],
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StackDepthAttr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]   --> src/state_machine/input.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Input {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |     pub crate_: Path,
[INFO] [stdout] 18 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Input` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Var {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Var` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eq_token` and `semi_token` are never read
[INFO] [stdout]    --> src/state_machine/input.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct InitialState {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 152 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub semi_token: Token![;],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InitialState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct State {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub comma_token: Option<Token![,]>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/state_machine/input.rs:63:44
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `ParseBuffer<'_>` does not implement `Clone`, so calling `clone` on `&ParseBuffer<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 63 -                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout] 63 +                 while let Ok(state) = input.parse() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `ParseBuffer<'_>`, implement `Clone` for it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/parse.rs:252:1
[INFO] [stdout]    |
[INFO] [stdout] 252+ #[derive(Clone)]
[INFO] [stdout] 253| pub struct ParseBuffer<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<Ident> {
[INFO] [stdout]    |                          ^^^^                   ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<'_, Ident> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "1270389994d046efadbff91f51f7fb4cff7406d8c30b38e105e2c5b01d777eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1270389994d046efadbff91f51f7fb4cff7406d8c30b38e105e2c5b01d777eb0", kill_on_drop: false }`
[INFO] [stdout] 1270389994d046efadbff91f51f7fb4cff7406d8c30b38e105e2c5b01d777eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c40abb1cc1d3c9b6448a73daa9cb42fe56d30ea2a436d9d02764925467ab953
[INFO] running `Command { std: "docker" "start" "-a" "2c40abb1cc1d3c9b6448a73daa9cb42fe56d30ea2a436d9d02764925467ab953", kill_on_drop: false }`
[INFO] [stderr]    Compiling vex-rt-macros v1.0.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]  --> src/state_machine/attributes.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StackDepthAttr {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 8 |     pub eq: Token![=],
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StackDepthAttr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]   --> src/state_machine/input.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Input {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |     pub crate_: Path,
[INFO] [stdout] 18 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Input` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Var {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Var` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eq_token` and `semi_token` are never read
[INFO] [stdout]    --> src/state_machine/input.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct InitialState {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 152 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub semi_token: Token![;],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InitialState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct State {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub comma_token: Option<Token![,]>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/state_machine/input.rs:63:44
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `ParseBuffer<'_>` does not implement `Clone`, so calling `clone` on `&ParseBuffer<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 63 -                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout] 63 +                 while let Ok(state) = input.parse() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `ParseBuffer<'_>`, implement `Clone` for it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/parse.rs:252:1
[INFO] [stdout]    |
[INFO] [stdout] 252+ #[derive(Clone)]
[INFO] [stdout] 253| pub struct ParseBuffer<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<Ident> {
[INFO] [stdout]    |                          ^^^^                   ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<'_, Ident> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]  --> src/state_machine/attributes.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StackDepthAttr {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 8 |     pub eq: Token![=],
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StackDepthAttr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `semi_token` is never read
[INFO] [stdout]   --> src/state_machine/input.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Input {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |     pub crate_: Path,
[INFO] [stdout] 18 |     pub semi_token: Token![;],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Input` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Var {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Var` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `eq_token` and `semi_token` are never read
[INFO] [stdout]    --> src/state_machine/input.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct InitialState {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 152 |     pub eq_token: Token![=],
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub semi_token: Token![;],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InitialState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma_token` is never read
[INFO] [stdout]    --> src/state_machine/input.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct State {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub comma_token: Option<Token![,]>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/state_machine/input.rs:63:44
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `ParseBuffer<'_>` does not implement `Clone`, so calling `clone` on `&ParseBuffer<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 63 -                 while let Ok(state) = input.clone().parse() {
[INFO] [stdout] 63 +                 while let Ok(state) = input.parse() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `ParseBuffer<'_>`, implement `Clone` for it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/parse.rs:252:1
[INFO] [stdout]    |
[INFO] [stdout] 252+ #[derive(Clone)]
[INFO] [stdout] 253| pub struct ParseBuffer<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<Ident> {
[INFO] [stdout]    |                          ^^^^                   ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn pat_to_ident(pat: &Pat, index: usize) -> Cow<'_, Ident> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "2c40abb1cc1d3c9b6448a73daa9cb42fe56d30ea2a436d9d02764925467ab953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c40abb1cc1d3c9b6448a73daa9cb42fe56d30ea2a436d9d02764925467ab953", kill_on_drop: false }`
[INFO] [stdout] 2c40abb1cc1d3c9b6448a73daa9cb42fe56d30ea2a436d9d02764925467ab953
