[INFO] fetching crate jam_derive 0.0.1...
[INFO] testing jam_derive-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate jam_derive 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate jam_derive 0.0.1
[INFO] finished tweaking crates.io crate jam_derive 0.0.1
[INFO] tweaked toml for crates.io crate jam_derive 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jam_derive 0.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.42)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5c0afdbcf905efdbddc9b1384eb19e2f311fa70cdf057f4b0811f7236f25674
[INFO] running `Command { std: "docker" "start" "-a" "f5c0afdbcf905efdbddc9b1384eb19e2f311fa70cdf057f4b0811f7236f25674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c0afdbcf905efdbddc9b1384eb19e2f311fa70cdf057f4b0811f7236f25674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c0afdbcf905efdbddc9b1384eb19e2f311fa70cdf057f4b0811f7236f25674", kill_on_drop: false }`
[INFO] [stdout] f5c0afdbcf905efdbddc9b1384eb19e2f311fa70cdf057f4b0811f7236f25674
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500a5894485ef6bc9eaed50139dfb42e274ee8b0a367af1c2feee34f2c045b5c
[INFO] running `Command { std: "docker" "start" "-a" "500a5894485ef6bc9eaed50139dfb42e274ee8b0a367af1c2feee34f2c045b5c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling jam_derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Item` and `parse_items`
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | use syn::{Item, parse_items};
[INFO] [stdout]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenTree`
[INFO] [stdout]   --> src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | use syn::{Field, TokenTree, Variant, Ident, ItemKind, VariantData, Ty, Pat, Mutability, BindingMode};
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/lib.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let node = elms.node;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:291:65
[INFO] [stdout]     |
[INFO] [stdout] 291 |         if let Some(syn::ConstExpr::Other(syn::Expr { ref node, ref attrs })) = first_variant.discriminant {
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:293:44
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 let &syn::Expr { ref node, ref attrs} = expr.as_ref();
[INFO] [stdout]     |                                            ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:296:48
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     let &syn::Expr { ref node, ref attrs} = exprs.first().unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lib.rs:298:59
[INFO] [stdout]     |
[INFO] [stdout] 298 |                     if let &syn::ExprKind::Mac(syn::Mac { ref path, ref tts }) = node {
[INFO] [stdout]     |                                                           ^^^^^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ParseError(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -     ParseError(String),
[INFO] [stdout] 53 +     ParseError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IdentNotFound` is never constructed
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Error {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     IdentNotFound,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/lib.rs:326:4
[INFO] [stdout]     |
[INFO] [stdout] 326 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:102:59
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 if let Ty::Path(_, syn::Path { global: _, segments: ref segments}) = field.ty {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref segments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:103:53
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:122:44
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Some(syn::Path { global: _, segments: segments }) = path {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:130:51
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = *ty {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:131:45
[INFO] [stdout]     |
[INFO] [stdout] 131 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:167:67
[INFO] [stdout]     |
[INFO] [stdout] 167 |                         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = ty.clone() {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "500a5894485ef6bc9eaed50139dfb42e274ee8b0a367af1c2feee34f2c045b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500a5894485ef6bc9eaed50139dfb42e274ee8b0a367af1c2feee34f2c045b5c", kill_on_drop: false }`
[INFO] [stdout] 500a5894485ef6bc9eaed50139dfb42e274ee8b0a367af1c2feee34f2c045b5c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546c5570bfb98af3d3d3f9c4e2b4448203942d024d6999ea478017d4b045cd92
[INFO] running `Command { std: "docker" "start" "-a" "546c5570bfb98af3d3d3f9c4e2b4448203942d024d6999ea478017d4b045cd92", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling jam_derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Item` and `parse_items`
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | use syn::{Item, parse_items};
[INFO] [stdout]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenTree`
[INFO] [stdout]   --> src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | use syn::{Field, TokenTree, Variant, Ident, ItemKind, VariantData, Ty, Pat, Mutability, BindingMode};
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/lib.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let node = elms.node;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:291:65
[INFO] [stdout]     |
[INFO] [stdout] 291 |         if let Some(syn::ConstExpr::Other(syn::Expr { ref node, ref attrs })) = first_variant.discriminant {
[INFO] [stdout]     |                                                                 ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:293:44
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 let &syn::Expr { ref node, ref attrs} = expr.as_ref();
[INFO] [stdout]     |                                            ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:296:48
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     let &syn::Expr { ref node, ref attrs} = exprs.first().unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lib.rs:298:59
[INFO] [stdout]     |
[INFO] [stdout] 298 |                     if let &syn::ExprKind::Mac(syn::Mac { ref path, ref tts }) = node {
[INFO] [stdout]     |                                                           ^^^^^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ParseError(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -     ParseError(String),
[INFO] [stdout] 53 +     ParseError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IdentNotFound` is never constructed
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Error {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     IdentNotFound,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/lib.rs:326:4
[INFO] [stdout]     |
[INFO] [stdout] 326 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:102:59
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 if let Ty::Path(_, syn::Path { global: _, segments: ref segments}) = field.ty {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref segments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:103:53
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:122:44
[INFO] [stdout]     |
[INFO] [stdout] 122 |         if let Some(syn::Path { global: _, segments: segments }) = path {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:123:45
[INFO] [stdout]     |
[INFO] [stdout] 123 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:130:51
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = *ty {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `ident:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:131:45
[INFO] [stdout]     |
[INFO] [stdout] 131 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `segments:` in this pattern is redundant
[INFO] [stdout]    --> src/lib.rs:167:67
[INFO] [stdout]     |
[INFO] [stdout] 167 |                         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = ty.clone() {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "546c5570bfb98af3d3d3f9c4e2b4448203942d024d6999ea478017d4b045cd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546c5570bfb98af3d3d3f9c4e2b4448203942d024d6999ea478017d4b045cd92", kill_on_drop: false }`
[INFO] [stdout] 546c5570bfb98af3d3d3f9c4e2b4448203942d024d6999ea478017d4b045cd92
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72def791c8706c3a682b16928d5df9eb445dad753609f5fbaa82eee0285dfec9
[INFO] running `Command { std: "docker" "start" "-a" "72def791c8706c3a682b16928d5df9eb445dad753609f5fbaa82eee0285dfec9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused imports: `Item` and `parse_items`
[INFO] [stderr]   --> src/lib.rs:46:11
[INFO] [stderr]    |
[INFO] [stderr] 46 | use syn::{Item, parse_items};
[INFO] [stderr]    |           ^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenTree`
[INFO] [stderr]   --> src/lib.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 | use syn::{Field, TokenTree, Variant, Ident, ItemKind, VariantData, Ty, Pat, Mutability, BindingMode};
[INFO] [stderr]    |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/lib.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = elms.node;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:291:65
[INFO] [stderr]     |
[INFO] [stderr] 291 |         if let Some(syn::ConstExpr::Other(syn::Expr { ref node, ref attrs })) = first_variant.discriminant {
[INFO] [stderr]     |                                                                 ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:293:44
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 let &syn::Expr { ref node, ref attrs} = expr.as_ref();
[INFO] [stderr]     |                                            ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:296:48
[INFO] [stderr]     |
[INFO] [stderr] 296 |                     let &syn::Expr { ref node, ref attrs} = exprs.first().unwrap();
[INFO] [stderr]     |                                                ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/lib.rs:298:59
[INFO] [stderr]     |
[INFO] [stderr] 298 |                     if let &syn::ExprKind::Mac(syn::Mac { ref path, ref tts }) = node {
[INFO] [stderr]     |                                                           ^^^^^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lib.rs:53:16
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ParseError(String),
[INFO] [stderr]    |     ---------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 53 -     ParseError(String),
[INFO] [stderr] 53 +     ParseError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `IdentNotFound` is never constructed
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | enum Error {
[INFO] [stderr]    |      ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 55 |     IdentNotFound,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/lib.rs:326:4
[INFO] [stderr]     |
[INFO] [stderr] 326 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the `segments:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:102:59
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 if let Ty::Path(_, syn::Path { global: _, segments: ref segments}) = field.ty {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref segments`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `ident:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:103:53
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stderr] 
[INFO] [stderr] warning: the `segments:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:122:44
[INFO] [stderr]     |
[INFO] [stderr] 122 |         if let Some(syn::Path { global: _, segments: segments }) = path {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stderr] 
[INFO] [stderr] warning: the `ident:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:123:45
[INFO] [stderr]     |
[INFO] [stderr] 123 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stderr] 
[INFO] [stderr] warning: the `segments:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:130:51
[INFO] [stderr]     |
[INFO] [stderr] 130 |         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = *ty {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stderr] 
[INFO] [stderr] warning: the `ident:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 |             if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `ref ident`
[INFO] [stderr] 
[INFO] [stderr] warning: the `segments:` in this pattern is redundant
[INFO] [stderr]    --> src/lib.rs:167:67
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         if let Ty::Path(_, syn::Path { global: _, segments: segments}) = ty.clone() {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `segments`
[INFO] [stderr] 
[INFO] [stderr] warning: `jam_derive` (lib) generated 19 warnings (run `cargo fix --lib -p jam_derive` to apply 14 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]    Doc-tests jam_derive
[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" "72def791c8706c3a682b16928d5df9eb445dad753609f5fbaa82eee0285dfec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72def791c8706c3a682b16928d5df9eb445dad753609f5fbaa82eee0285dfec9", kill_on_drop: false }`
[INFO] [stdout] 72def791c8706c3a682b16928d5df9eb445dad753609f5fbaa82eee0285dfec9
