[INFO] fetching crate rubber_duck_macro 0.2.0...
[INFO] testing rubber_duck_macro-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rubber_duck_macro 0.2.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate rubber_duck_macro 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubber_duck_macro 0.2.0
[INFO] finished tweaking crates.io crate rubber_duck_macro 0.2.0
[INFO] tweaked toml for crates.io crate rubber_duck_macro 0.2.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acb04095e77d1f3671d2f0d942759d237bba1bfe5cc3101a0242ceb15416cec5
[INFO] running `Command { std: "docker" "start" "-a" "acb04095e77d1f3671d2f0d942759d237bba1bfe5cc3101a0242ceb15416cec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb04095e77d1f3671d2f0d942759d237bba1bfe5cc3101a0242ceb15416cec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb04095e77d1f3671d2f0d942759d237bba1bfe5cc3101a0242ceb15416cec5", kill_on_drop: false }`
[INFO] [stdout] acb04095e77d1f3671d2f0d942759d237bba1bfe5cc3101a0242ceb15416cec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2965d19d447d62bbb3d712d6fa6abde8b3c9cc1157dbc4eabcb37e51a33e4987
[INFO] running `Command { std: "docker" "start" "-a" "2965d19d447d62bbb3d712d6fa6abde8b3c9cc1157dbc4eabcb37e51a33e4987", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rubber_duck_macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quote_spanned`
[INFO] [stdout]  --> src/call.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, quote_spanned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]  --> src/call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::spanned::Spanned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprMethodCall`, `Type`
[INFO] [stdout]  --> src/call.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall};
[INFO] [stdout]   |                                                  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bracketed`, `parenthesized`
[INFO] [stdout]  --> src/call.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{braced, bracketed, parenthesized, parse_quote};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::ExprCall`
[INFO] [stdout]   --> src/call.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::ExprCall;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::export::ToTokens`
[INFO] [stdout]  --> src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::ToTokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta`
[INFO] [stdout]  --> src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^                          ^^^^  ^^^  ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]   --> src/builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::parse_fn::FieldRole;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]  --> src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parse_fn::FieldRole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/parse_fn.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/call.rs:78:57
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     brace.surround(&mut braced_tokens, |v|{});
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/build.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ExpressionList`
[INFO] [stdout]   --> src/call.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ExpressionList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_builder`
[INFO] [stdout]  --> src/build.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "2965d19d447d62bbb3d712d6fa6abde8b3c9cc1157dbc4eabcb37e51a33e4987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2965d19d447d62bbb3d712d6fa6abde8b3c9cc1157dbc4eabcb37e51a33e4987", kill_on_drop: false }`
[INFO] [stdout] 2965d19d447d62bbb3d712d6fa6abde8b3c9cc1157dbc4eabcb37e51a33e4987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4064fc807ce959c5d02e2ddf25b6814f3998eafff99192b1e1c0dbb013b401
[INFO] running `Command { std: "docker" "start" "-a" "3c4064fc807ce959c5d02e2ddf25b6814f3998eafff99192b1e1c0dbb013b401", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubber_duck_macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quote_spanned`
[INFO] [stdout]  --> src/call.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, quote_spanned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]  --> src/call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::spanned::Spanned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprMethodCall`, `Type`
[INFO] [stdout]  --> src/call.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall};
[INFO] [stdout]   |                                                  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bracketed`, `parenthesized`
[INFO] [stdout]  --> src/call.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{braced, bracketed, parenthesized, parse_quote};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::ExprCall`
[INFO] [stdout]   --> src/call.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::ExprCall;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::export::ToTokens`
[INFO] [stdout]  --> src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::ToTokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta`
[INFO] [stdout]  --> src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^                          ^^^^  ^^^  ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]   --> src/builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::parse_fn::FieldRole;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]  --> src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parse_fn::FieldRole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/parse_fn.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/call.rs:78:57
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     brace.surround(&mut braced_tokens, |v|{});
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/build.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ExpressionList`
[INFO] [stdout]   --> src/call.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ExpressionList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_builder`
[INFO] [stdout]  --> src/build.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote_spanned`
[INFO] [stdout]  --> src/call.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quote::{quote, quote_spanned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::spanned::Spanned`
[INFO] [stdout]  --> src/call.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::spanned::Spanned;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExprMethodCall`, `Type`
[INFO] [stdout]  --> src/call.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, Expr, Ident, Token, Type, ExprMethodCall};
[INFO] [stdout]   |                                                  ^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bracketed`, `parenthesized`
[INFO] [stdout]  --> src/call.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{braced, bracketed, parenthesized, parse_quote};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::ExprCall`
[INFO] [stdout]   --> src/call.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use syn::ExprCall;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::export::ToTokens`
[INFO] [stdout]  --> src/builder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::ToTokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Field`, `Fields`, `Item`, `Lit`, `MetaNameValue`, `Meta`
[INFO] [stdout]  --> src/builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Expr, Field, Fields, GenericArgument, Ident, Item, Lit, Meta, MetaNameValue,
[INFO] [stdout]   |     ^^^^  ^^^^^  ^^^^^^                          ^^^^  ^^^  ^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]   --> src/builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::parse_fn::FieldRole;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parse_fn::FieldRole`
[INFO] [stdout]  --> src/build.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::parse_fn::FieldRole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/parse_fn.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/call.rs:78:57
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     brace.surround(&mut braced_tokens, |v|{});
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/build.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let p_expr_expanders = structure.positional().enumerate().map(|(i, p)| {
[INFO] [stdout]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ExpressionList`
[INFO] [stdout]   --> src/call.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct ExpressionList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_builder`
[INFO] [stdout]  --> src/build.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "3c4064fc807ce959c5d02e2ddf25b6814f3998eafff99192b1e1c0dbb013b401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4064fc807ce959c5d02e2ddf25b6814f3998eafff99192b1e1c0dbb013b401", kill_on_drop: false }`
[INFO] [stdout] 3c4064fc807ce959c5d02e2ddf25b6814f3998eafff99192b1e1c0dbb013b401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c2096e71d292da5b12163384efefce899adc08a30508599955459bad39ec188
[INFO] running `Command { std: "docker" "start" "-a" "0c2096e71d292da5b12163384efefce899adc08a30508599955459bad39ec188", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ExpressionList`
[INFO] [stderr]   --> src/call.rs:25:8
[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:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn gen_builder(structure: &parse_fn::Structure) -> ::proc_macro2::TokenStream {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rubber_duck_macro` (lib) generated 14 warnings
[INFO] [stderr] warning: `rubber_duck_macro` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubber_duck_macro-163cf4a25d09d168)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rubber_duck_macro
[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" "0c2096e71d292da5b12163384efefce899adc08a30508599955459bad39ec188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2096e71d292da5b12163384efefce899adc08a30508599955459bad39ec188", kill_on_drop: false }`
[INFO] [stdout] 0c2096e71d292da5b12163384efefce899adc08a30508599955459bad39ec188