[INFO] crate rubber_duck_macro 0.2.0 is already in cache [INFO] extracting crate rubber_duck_macro 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rubber_duck_macro/0.2.0 [INFO] extracting crate rubber_duck_macro 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rubber_duck_macro/0.2.0 [INFO] validating manifest of rubber_duck_macro-0.2.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rubber_duck_macro-0.2.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rubber_duck_macro-0.2.0 [INFO] finished frobbing rubber_duck_macro-0.2.0 [INFO] frobbed toml for rubber_duck_macro-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rubber_duck_macro/0.2.0/Cargo.toml [INFO] started frobbing rubber_duck_macro-0.2.0 [INFO] finished frobbing rubber_duck_macro-0.2.0 [INFO] frobbed toml for rubber_duck_macro-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rubber_duck_macro/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rubber_duck_macro-0.2.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rubber_duck_macro/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 019e442a4195ea02f2f01c6d036a8b52d11df7dab7f3120ac99d4365d85c7d19 [INFO] running `"docker" "start" "-a" "019e442a4195ea02f2f01c6d036a8b52d11df7dab7f3120ac99d4365d85c7d19"` [INFO] [stderr] Checking proc-macro2 v0.4.30 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking syn v0.15.44 [INFO] [stderr] Checking rubber_duck_macro v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `quote_spanned` [INFO] [stderr] --> src/call.rs:1:20 [INFO] [stderr] | [INFO] [stderr] 1 | use quote::{quote, quote_spanned}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::spanned::Spanned` [INFO] [stderr] --> src/call.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use syn::spanned::Spanned; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ExprMethodCall`, `Type` [INFO] [stderr] --> src/call.rs:4:50 [INFO] [stderr] | [INFO] [stderr] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `bracketed`, `parenthesized` [INFO] [stderr] --> src/call.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 8 | use syn::{braced, bracketed, parenthesized, parse_quote}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::ExprCall` [INFO] [stderr] --> src/call.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use syn::ExprCall; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::export::ToTokens` [INFO] [stderr] --> src/builder.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use syn::export::ToTokens; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta` [INFO] [stderr] --> src/builder.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue, [INFO] [stderr] | ^^^^ ^^^^^ ^^^^^^ ^^^^ ^^^ ^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parse_fn::FieldRole` [INFO] [stderr] --> src/builder.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::parse_fn::FieldRole; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parse_fn::FieldRole` [INFO] [stderr] --> src/build.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::parse_fn::FieldRole; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `quote::quote` [INFO] [stderr] --> src/parse_fn.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use quote::quote; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `quote_spanned` [INFO] [stderr] --> src/call.rs:1:20 [INFO] [stderr] | [INFO] [stderr] 1 | use quote::{quote, quote_spanned}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::spanned::Spanned` [INFO] [stderr] --> src/call.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use syn::spanned::Spanned; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ExprMethodCall`, `Type` [INFO] [stderr] --> src/call.rs:4:50 [INFO] [stderr] | [INFO] [stderr] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `bracketed`, `parenthesized` [INFO] [stderr] --> src/call.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 8 | use syn::{braced, bracketed, parenthesized, parse_quote}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::ExprCall` [INFO] [stderr] --> src/call.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use syn::ExprCall; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `syn::export::ToTokens` [INFO] [stderr] --> src/builder.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use syn::export::ToTokens; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta` [INFO] [stderr] --> src/builder.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue, [INFO] [stderr] | ^^^^ ^^^^^ ^^^^^^ ^^^^ ^^^ ^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parse_fn::FieldRole` [INFO] [stderr] --> src/builder.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use crate::parse_fn::FieldRole; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parse_fn::FieldRole` [INFO] [stderr] --> src/build.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::parse_fn::FieldRole; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `quote::quote` [INFO] [stderr] --> src/parse_fn.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use quote::quote; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/call.rs:78:57 [INFO] [stderr] | [INFO] [stderr] 78 | brace.surround(&mut braced_tokens, |v|{}); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/build.rs:28:72 [INFO] [stderr] | [INFO] [stderr] 28 | let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/call.rs:78:57 [INFO] [stderr] | [INFO] [stderr] 78 | brace.surround(&mut braced_tokens, |v|{}); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/build.rs:28:72 [INFO] [stderr] | [INFO] [stderr] 28 | let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ExpressionList` [INFO] [stderr] --> src/call.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | struct ExpressionList { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_builder` [INFO] [stderr] --> src/build.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ExpressionList` [INFO] [stderr] --> src/call.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | struct ExpressionList { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_builder` [INFO] [stderr] --> src/build.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.32s [INFO] running `"docker" "inspect" "019e442a4195ea02f2f01c6d036a8b52d11df7dab7f3120ac99d4365d85c7d19"` [INFO] running `"docker" "rm" "-f" "019e442a4195ea02f2f01c6d036a8b52d11df7dab7f3120ac99d4365d85c7d19"` [INFO] [stdout] 019e442a4195ea02f2f01c6d036a8b52d11df7dab7f3120ac99d4365d85c7d19