[INFO] fetching crate parsegen 0.1.1... [INFO] checking parsegen-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate parsegen 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate parsegen 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate parsegen 0.1.1 [INFO] finished tweaking crates.io crate parsegen 0.1.1 [INFO] tweaked toml for crates.io crate parsegen 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding lexgen v0.2.2 (latest: v0.15.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition [INFO] [stderr] (in the `parsegen` library target) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lexgen v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3db6a8552bc95e3fcda5e34cf7931ef9ee0fa8a4fb9a94f74b72ea482b42452f [INFO] running `Command { std: "docker" "start" "-a" "3db6a8552bc95e3fcda5e34cf7931ef9ee0fa8a4fb9a94f74b72ea482b42452f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3db6a8552bc95e3fcda5e34cf7931ef9ee0fa8a4fb9a94f74b72ea482b42452f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3db6a8552bc95e3fcda5e34cf7931ef9ee0fa8a4fb9a94f74b72ea482b42452f", kill_on_drop: false }` [INFO] [stdout] 3db6a8552bc95e3fcda5e34cf7931ef9ee0fa8a4fb9a94f74b72ea482b42452f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afe2e2a209e5a4d7a8b2396ccd8942adf2a106e304c42f8144f49db40853f0b2 [INFO] running `Command { std: "docker" "start" "-a" "afe2e2a209e5a4d7a8b2396ccd8942adf2a106e304c42f8144f49db40853f0b2", kill_on_drop: false }` [INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition [INFO] [stderr] (in the `parsegen` library target) [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Checking parsegen v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | TypeSynonym(TypeSynonym), [INFO] [stdout] | ----------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `GrammarItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 15 | TypeSynonym(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `ty` are never read [INFO] [stdout] --> src/ast.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct TypeSynonym { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 41 | pub name: syn::Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | pub ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypeSynonym` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | Repeat(Box), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 108 | Repeat(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op` and `symbol` are never read [INFO] [stdout] --> src/ast.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub struct Repeat { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 123 | pub op: RepeatOp, [INFO] [stdout] | ^^ [INFO] [stdout] 124 | pub symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repeat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:137:14 [INFO] [stdout] | [INFO] [stdout] 137 | Fallible(syn::Expr), [INFO] [stdout] | -------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 137 | Fallible(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProductionIndicesIter` is never constructed [INFO] [stdout] --> src/grammar.rs:197:8 [INFO] [stdout] | [INFO] [stdout] 197 | struct ProductionIndicesIter<'grammar, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lexgen v0.2.2 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | TypeSynonym(TypeSynonym), [INFO] [stdout] | ----------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `GrammarItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 15 | TypeSynonym(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `ty` are never read [INFO] [stdout] --> src/ast.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct TypeSynonym { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 41 | pub name: syn::Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | pub ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypeSynonym` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | Repeat(Box), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 108 | Repeat(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op` and `symbol` are never read [INFO] [stdout] --> src/ast.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub struct Repeat { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 123 | pub op: RepeatOp, [INFO] [stdout] | ^^ [INFO] [stdout] 124 | pub symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repeat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:137:14 [INFO] [stdout] | [INFO] [stdout] 137 | Fallible(syn::Expr), [INFO] [stdout] | -------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 137 | Fallible(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProductionIndicesIter` is never constructed [INFO] [stdout] --> src/grammar.rs:197:8 [INFO] [stdout] | [INFO] [stdout] 197 | struct ProductionIndicesIter<'grammar, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/tests.rs:193:34 [INFO] [stdout] | [INFO] [stdout] 187 | / parser! { [INFO] [stdout] 188 | | enum Token { [INFO] [stdout] 189 | | "(" => Token::LParen, [INFO] [stdout] 190 | | ")" => Token::RParen, [INFO] [stdout] ... | [INFO] [stdout] 193 | | "int" => Token::Int(), [INFO] [stdout] | | ^^^ [INFO] [stdout] ... | [INFO] [stdout] 217 | | }; [INFO] [stdout] 218 | | } [INFO] [stdout] | |_____- field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SemanticActionResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 193 | "int" => Token::Int(<()>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | TypeSynonym(TypeSynonym), [INFO] [stdout] | ----------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `GrammarItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] 15 | TypeSynonym(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `ty` are never read [INFO] [stdout] --> src/ast.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct TypeSynonym { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 41 | pub name: syn::Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | pub ty: syn::Type, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypeSynonym` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:108:12 [INFO] [stdout] | [INFO] [stdout] 108 | Repeat(Box), [INFO] [stdout] | ------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 108 | Repeat(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `op` and `symbol` are never read [INFO] [stdout] --> src/ast.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub struct Repeat { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 123 | pub op: RepeatOp, [INFO] [stdout] | ^^ [INFO] [stdout] 124 | pub symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Repeat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:137:14 [INFO] [stdout] | [INFO] [stdout] 137 | Fallible(syn::Expr), [INFO] [stdout] | -------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 137 | Fallible(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProductionIndicesIter` is never constructed [INFO] [stdout] --> src/grammar.rs:197:8 [INFO] [stdout] | [INFO] [stdout] 197 | struct ProductionIndicesIter<'grammar, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.93s [INFO] running `Command { std: "docker" "inspect" "afe2e2a209e5a4d7a8b2396ccd8942adf2a106e304c42f8144f49db40853f0b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afe2e2a209e5a4d7a8b2396ccd8942adf2a106e304c42f8144f49db40853f0b2", kill_on_drop: false }` [INFO] [stdout] afe2e2a209e5a4d7a8b2396ccd8942adf2a106e304c42f8144f49db40853f0b2