[INFO] fetching crate mbot_proc_macro_helpers 0.0.2... [INFO] checking mbot_proc_macro_helpers-0.0.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate mbot_proc_macro_helpers 0.0.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate mbot_proc_macro_helpers 0.0.2 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 mbot_proc_macro_helpers 0.0.2 [INFO] finished tweaking crates.io crate mbot_proc_macro_helpers 0.0.2 [INFO] tweaked toml for crates.io crate mbot_proc_macro_helpers 0.0.2 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 12 packages to latest compatible versions [INFO] [stderr] Adding derive-syn-parse v0.1.5 (latest: v0.2.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [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] 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] 659ffe4b3fbee89747837e8ce238edce1d8f0827655854ae0a723cc1f8d2889e [INFO] running `Command { std: "docker" "start" "-a" "659ffe4b3fbee89747837e8ce238edce1d8f0827655854ae0a723cc1f8d2889e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "659ffe4b3fbee89747837e8ce238edce1d8f0827655854ae0a723cc1f8d2889e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "659ffe4b3fbee89747837e8ce238edce1d8f0827655854ae0a723cc1f8d2889e", kill_on_drop: false }` [INFO] [stdout] 659ffe4b3fbee89747837e8ce238edce1d8f0827655854ae0a723cc1f8d2889e [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] 264ae9671185542775b462db3346a51ff8a770a710f0d8d6d719e8d6405794ca [INFO] running `Command { std: "docker" "start" "-a" "264ae9671185542775b462db3346a51ff8a770a710f0d8d6d719e8d6405794ca", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling derive-syn-parse v0.1.5 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking mbot_proc_macro_helpers v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `expected_prefix_width` [INFO] [stdout] --> src/mice/stack_bytecode.rs:360:17 [INFO] [stdout] | [INFO] [stdout] 360 | let expected_prefix_width: usize = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expected_prefix_width` [INFO] [stdout] --> src/mice/stack_bytecode.rs:360:17 [INFO] [stdout] | [INFO] [stdout] 360 | let expected_prefix_width: usize = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected_prefix_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `colon_token` and `trailing_comma` are never read [INFO] [stdout] --> src/mice.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct UnaryPower { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 11 | colon_token: Token![:], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | power: proc_macro2::Literal, [INFO] [stdout] 13 | trailing_comma: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UnaryPower` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `colon_token` and `trailing_comma` are never read [INFO] [stdout] --> src/mice.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct UnaryPower { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 11 | colon_token: Token![:], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | power: proc_macro2::Literal, [INFO] [stdout] 13 | trailing_comma: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UnaryPower` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `unary_ident` and `binary_ident` are never read [INFO] [stdout] --> src/mice.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct BindingPowers { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 31 | unary_ident: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | binary_ident: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BindingPowers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `unary_ident` and `binary_ident` are never read [INFO] [stdout] --> src/mice.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct BindingPowers { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 31 | unary_ident: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | binary_ident: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BindingPowers` 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 `brace_token` is never read [INFO] [stdout] --> src/mice.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 43 | struct Variant { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 48 | brace_token: Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Variant` 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 `brace_token` is never read [INFO] [stdout] --> src/mice.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 43 | struct Variant { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 48 | brace_token: Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind_token`, `arrow_token`, `arg_paren`, and `semicolon_token` are never read [INFO] [stdout] --> src/mice.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct BindingPowerFnDecl { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 55 | kind_token: Ident, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 56 | arrow_token: Token![=>], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | arg_paren: Paren, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | semicolon_token: Token![;], [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind_token`, `arrow_token`, `arg_paren`, and `semicolon_token` are never read [INFO] [stdout] --> src/mice.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct BindingPowerFnDecl { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 55 | kind_token: Ident, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 56 | arrow_token: Token![=>], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | arg_paren: Paren, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | semicolon_token: Token![;], [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BindingPowerFnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sum_equal_token` and `brace_token` are never read [INFO] [stdout] --> src/mice.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 71 | struct DeclOps { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | sum_equal_token: Token![=], [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | brace_token: Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ErrNoSpan` is never constructed [INFO] [stdout] --> src/mice/stack_bytecode.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 14 | enum CompileResult { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | ErrNoSpan(Cow<'static, str>), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `into_lift_error` and `lift_error` are never used [INFO] [stdout] --> src/mice/stack_bytecode.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl CompileResult { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] 22 | fn into_lift_error(self, out: &mut TokenStream) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn lift_error(&self, out: &mut TokenStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sum_equal_token` and `brace_token` are never read [INFO] [stdout] --> src/mice.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 71 | struct DeclOps { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 79 | sum_equal_token: Token![=], [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | brace_token: Brace, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DeclOps` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ErrNoSpan` is never constructed [INFO] [stdout] --> src/mice/stack_bytecode.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 14 | enum CompileResult { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | ErrNoSpan(Cow<'static, str>), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `into_lift_error` and `lift_error` are never used [INFO] [stdout] --> src/mice/stack_bytecode.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl CompileResult { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] 22 | fn into_lift_error(self, out: &mut TokenStream) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn lift_error(&self, out: &mut TokenStream) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "264ae9671185542775b462db3346a51ff8a770a710f0d8d6d719e8d6405794ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264ae9671185542775b462db3346a51ff8a770a710f0d8d6d719e8d6405794ca", kill_on_drop: false }` [INFO] [stdout] 264ae9671185542775b462db3346a51ff8a770a710f0d8d6d719e8d6405794ca