[INFO] fetching crate derive-adhoc-macros 0.8.4... [INFO] checking derive-adhoc-macros-0.8.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate derive-adhoc-macros 0.8.4 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate derive-adhoc-macros 0.8.4 [INFO] finished tweaking crates.io crate derive-adhoc-macros 0.8.4 [INFO] tweaked toml for crates.io crate derive-adhoc-macros 0.8.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate derive-adhoc-macros 0.8.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding heck v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding itertools v0.12.1 (available: v0.14.0) [INFO] [stderr] Adding proc-macro-crate v2.0.2 (available: v3.3.0) [INFO] [stderr] Adding strum v0.25.0 (available: v0.27.2) [INFO] [stderr] Adding toml_datetime v0.6.3 (available: v0.6.11) [INFO] [stderr] Adding toml_edit v0.20.2 (available: v0.20.7) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97a2443d53a7d7412c8859359dc38e766a5878b9dda27775b3159d74447555b4 [INFO] running `Command { std: "docker" "start" "-a" "97a2443d53a7d7412c8859359dc38e766a5878b9dda27775b3159d74447555b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97a2443d53a7d7412c8859359dc38e766a5878b9dda27775b3159d74447555b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97a2443d53a7d7412c8859359dc38e766a5878b9dda27775b3159d74447555b4", kill_on_drop: false }` [INFO] [stdout] 97a2443d53a7d7412c8859359dc38e766a5878b9dda27775b3159d74447555b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83e1d2b59772159427ededad1364952a3a0f229b9609cdf1f143c5ab34cc4c95 [INFO] running `Command { std: "docker" "start" "-a" "83e1d2b59772159427ededad1364952a3a0f229b9609cdf1f143c5ab34cc4c95", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling rustversion v1.0.22 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling derive-adhoc-macros v0.8.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking indexmap v2.11.0 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking syn v2.0.106 [INFO] [stderr] Checking toml_edit v0.20.2 [INFO] [stderr] Checking proc-macro-crate v2.0.2 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stdout] warning: unused imports: `Concatenated` and `Discard` [INFO] [stdout] --> prelude.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | pub use super::utils::{Concatenated, Discard}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bizarre` [INFO] [stdout] --> utils.rs:261:11 [INFO] [stdout] | [INFO] [stdout] 261 | #[cfg(feature = "bizarre")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `case`, `expect`, `heck`, and `sha3` [INFO] [stdout] = help: consider adding `bizarre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bizarre` [INFO] [stdout] --> syntax.rs:825:15 [INFO] [stdout] | [INFO] [stdout] 825 | #[cfg(feature = "bizarre")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `case`, `expect`, `heck`, and `sha3` [INFO] [stdout] = help: consider adding `bizarre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EnumCount` [INFO] [stdout] --> prelude.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | pub use strum::{AsRefStr, Display, EnumCount}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ResultVoidErrExt as _` [INFO] [stdout] --> prelude.rs:30:16 [INFO] [stdout] | [INFO] [stdout] 30 | pub use void::{ResultVoidErrExt as _, ResultVoidExt as _, Void}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Concatenated` and `Discard` [INFO] [stdout] --> prelude.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | pub use super::utils::{Concatenated, Discard}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bizarre` [INFO] [stdout] --> utils.rs:261:11 [INFO] [stdout] | [INFO] [stdout] 261 | #[cfg(feature = "bizarre")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `case`, `expect`, `heck`, and `sha3` [INFO] [stdout] = help: consider adding `bizarre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bizarre` [INFO] [stdout] --> syntax.rs:825:15 [INFO] [stdout] | [INFO] [stdout] 825 | #[cfg(feature = "bizarre")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `case`, `expect`, `heck`, and `sha3` [INFO] [stdout] = help: consider adding `bizarre` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Discard` is never constructed [INFO] [stdout] --> utils.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Discard(PhantomData); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Concatenated` is never constructed [INFO] [stdout] --> utils.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Concatenated(pub Vec); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `equals` is never read [INFO] [stdout] --> framework.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Value { equals: token::Eq, value: syn::Lit }, [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PreprocessedMetaValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append_display` is never used [INFO] [stdout] --> framework.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 189 | pub trait ExpansionOutput: SubstParseContext { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn append_display(&mut self, lit: &I); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `driver_brace` and `template_brace` are never read [INFO] [stdout] --> expand.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct DeriveAdhocExpandInput { [INFO] [stdout] | ---------------------- fields in this struct [INFO] [stdout] 14 | pub driver_brace: token::Brace, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 15 | pub driver: syn::DeriveInput, [INFO] [stdout] 16 | pub template_brace: token::Brace, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DeriveAdhocExpandInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> expand.rs:1110:18 [INFO] [stdout] | [INFO] [stdout] 1110 | pub fn fname(&self, tspan: Span) -> Fname { [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] 1110 | pub fn fname(&self, tspan: Span) -> Fname<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> paste.rs:625:30 [INFO] [stdout] | [INFO] [stdout] 625 | fn plain_strs(items: &[Item]) -> impl Iterator + Clone { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 625 | fn plain_strs(items: &[Item]) -> impl Iterator> + Clone { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> repeat.rs:354:25 [INFO] [stdout] | [INFO] [stdout] 354 | fn within_level(&'c self, why: &dyn Spanned) -> syn::Result<&W> [INFO] [stdout] | ^^ the lifetime is named here -- the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'c` [INFO] [stdout] | [INFO] [stdout] 354 | fn within_level(&'c self, why: &dyn Spanned) -> syn::Result<&'c W> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> repeat.rs:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | pub fn field(&self, why: &dyn Spanned) -> syn::Result<&WithinField> { [INFO] [stdout] | ^^^^^ ------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 367 | pub fn field(&self, why: &dyn Spanned) -> syn::Result<&WithinField<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> repeat.rs:371:20 [INFO] [stdout] | [INFO] [stdout] 371 | pub fn variant(&self, why: &dyn Spanned) -> syn::Result<&WithinVariant> { [INFO] [stdout] | ^^^^^ -------------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 371 | pub fn variant(&self, why: &dyn Spanned) -> syn::Result<&WithinVariant<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Discard` is never constructed [INFO] [stdout] --> utils.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Discard(PhantomData); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Concatenated` is never constructed [INFO] [stdout] --> utils.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Concatenated(pub Vec); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `equals` is never read [INFO] [stdout] --> framework.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | Value { equals: token::Eq, value: syn::Lit }, [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PreprocessedMetaValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `append_display` is never used [INFO] [stdout] --> framework.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 189 | pub trait ExpansionOutput: SubstParseContext { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 195 | fn append_display(&mut self, lit: &I); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `driver_brace` and `template_brace` are never read [INFO] [stdout] --> expand.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct DeriveAdhocExpandInput { [INFO] [stdout] | ---------------------- fields in this struct [INFO] [stdout] 14 | pub driver_brace: token::Brace, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 15 | pub driver: syn::DeriveInput, [INFO] [stdout] 16 | pub template_brace: token::Brace, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DeriveAdhocExpandInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> expand.rs:1110:18 [INFO] [stdout] | [INFO] [stdout] 1110 | pub fn fname(&self, tspan: Span) -> Fname { [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] 1110 | pub fn fname(&self, tspan: Span) -> Fname<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> paste.rs:625:30 [INFO] [stdout] | [INFO] [stdout] 625 | fn plain_strs(items: &[Item]) -> impl Iterator + Clone { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 625 | fn plain_strs(items: &[Item]) -> impl Iterator> + Clone { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> repeat.rs:354:25 [INFO] [stdout] | [INFO] [stdout] 354 | fn within_level(&'c self, why: &dyn Spanned) -> syn::Result<&W> [INFO] [stdout] | ^^ the lifetime is named here -- the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'c` [INFO] [stdout] | [INFO] [stdout] 354 | fn within_level(&'c self, why: &dyn Spanned) -> syn::Result<&'c W> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> repeat.rs:367:18 [INFO] [stdout] | [INFO] [stdout] 367 | pub fn field(&self, why: &dyn Spanned) -> syn::Result<&WithinField> { [INFO] [stdout] | ^^^^^ ------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 367 | pub fn field(&self, why: &dyn Spanned) -> syn::Result<&WithinField<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> repeat.rs:371:20 [INFO] [stdout] | [INFO] [stdout] 371 | pub fn variant(&self, why: &dyn Spanned) -> syn::Result<&WithinVariant> { [INFO] [stdout] | ^^^^^ -------------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 371 | pub fn variant(&self, why: &dyn Spanned) -> syn::Result<&WithinVariant<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s [INFO] running `Command { std: "docker" "inspect" "83e1d2b59772159427ededad1364952a3a0f229b9609cdf1f143c5ab34cc4c95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e1d2b59772159427ededad1364952a3a0f229b9609cdf1f143c5ab34cc4c95", kill_on_drop: false }` [INFO] [stdout] 83e1d2b59772159427ededad1364952a3a0f229b9609cdf1f143c5ab34cc4c95