[INFO] fetching crate test-fuzz-macro 1.0.4...
[INFO] testing test-fuzz-macro-1.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate test-fuzz-macro 1.0.4 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate test-fuzz-macro 1.0.4 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 test-fuzz-macro 1.0.4
[INFO] finished tweaking crates.io crate test-fuzz-macro 1.0.4
[INFO] tweaked toml for crates.io crate test-fuzz-macro 1.0.4 written to /workspace/builds/worker-86/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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 4e374807d9d4458982852ca01735d69c02539fe4b425ad87e204fe327e664702
[INFO] running `Command { std: "docker" "start" "-a" "4e374807d9d4458982852ca01735d69c02539fe4b425ad87e204fe327e664702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e374807d9d4458982852ca01735d69c02539fe4b425ad87e204fe327e664702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e374807d9d4458982852ca01735d69c02539fe4b425ad87e204fe327e664702", kill_on_drop: false }`
[INFO] [stdout] 4e374807d9d4458982852ca01735d69c02539fe4b425ad87e204fe327e664702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 13c37ce6bc6034f375439503dfa0718e774d883d28b29b0b017d76468601e174
[INFO] running `Command { std: "docker" "start" "-a" "13c37ce6bc6034f375439503dfa0718e774d883d28b29b0b017d76468601e174", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling subprocess v0.2.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling toolchain_find v0.2.0
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.1
[INFO] [stderr]    Compiling test-fuzz-internal v1.0.4
[INFO] [stderr]    Compiling test-fuzz-macro v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]    --> src/lib.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        -------------- any code following this expression is unreachable
[INFO] [stdout] 410 |     let write_concretizations = quote! {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ unreachable definition
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `SerdeFormat`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:409:24
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let stmts = &block.stmts;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_type_idents`
[INFO] [stdout]    --> src/lib.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let combined_type_idents = [impl_ty_idents.clone(), ty_idents.clone()].concat();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_type_idents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_ty_names`
[INFO] [stdout]    --> src/lib.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let impl_ty_names: Vec<Expr> = impl_ty_idents
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_names`
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let ty_names: Vec<Expr> = ty_idents
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics`
[INFO] [stdout]    --> src/lib.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `where_clause`
[INFO] [stdout]    --> src/lib.rs:309:38
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_where_clause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics_deserializable`
[INFO] [stdout]    --> src/lib.rs:310:10
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let (impl_generics_deserializable, _, _) = combined_generics_deserializable.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics_deserializable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_concretization`
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let impl_concretization = opts_concretize_impl.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `concretization`
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let concretization = opts_concretize.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_concretization`
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let combined_concretization =
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_ty_base`
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let self_ty_base = self_ty.as_ref().map(type_utils::type_base);
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_ty_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt_args`
[INFO] [stdout]    --> src/lib.rs:348:33
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fmt_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `de_args`
[INFO] [stdout]    --> src/lib.rs:348:57
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_de_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_is`
[INFO] [stdout]    --> src/lib.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let args_is: Vec<Expr> = arg_tys
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_is`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_from_autos`
[INFO] [stdout]    --> src/lib.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     let args_from_autos = args_from_autos(&autos);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_from_autos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_ty`
[INFO] [stdout]    --> src/lib.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let ret_ty = match &sig.output {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mod_ident`
[INFO] [stdout]    --> src/lib.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |     let mod_ident = Ident::new(&format!("{}_fuzz", renamed_target_ident), Span::call_site());
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mod_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_generics_as_turbofish`
[INFO] [stdout]    --> src/lib.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics_as_turbofish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_args`
[INFO] [stdout]    --> src/lib.rs:391:36
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_format`
[INFO] [stdout]    --> src/lib.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     attrs: &Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     vis: &Visibility,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defaultness`
[INFO] [stdout]    --> src/lib.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     defaultness: &Option<token::Default>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defaultness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `Command { std: "docker" "inspect" "13c37ce6bc6034f375439503dfa0718e774d883d28b29b0b017d76468601e174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c37ce6bc6034f375439503dfa0718e774d883d28b29b0b017d76468601e174", kill_on_drop: false }`
[INFO] [stdout] 13c37ce6bc6034f375439503dfa0718e774d883d28b29b0b017d76468601e174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 471f4f6c57294338981d39ce1c9255aa680fc555ac1c8c77546e075a4a244c23
[INFO] running `Command { std: "docker" "start" "-a" "471f4f6c57294338981d39ce1c9255aa680fc555ac1c8c77546e075a4a244c23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]    --> src/lib.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        -------------- any code following this expression is unreachable
[INFO] [stdout] 410 |     let write_concretizations = quote! {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ unreachable definition
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `SerdeFormat`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:409:24
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let stmts = &block.stmts;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_type_idents`
[INFO] [stdout]    --> src/lib.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let combined_type_idents = [impl_ty_idents.clone(), ty_idents.clone()].concat();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_type_idents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_ty_names`
[INFO] [stdout]    --> src/lib.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let impl_ty_names: Vec<Expr> = impl_ty_idents
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_names`
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let ty_names: Vec<Expr> = ty_idents
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics`
[INFO] [stdout]    --> src/lib.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `where_clause`
[INFO] [stdout]    --> src/lib.rs:309:38
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_where_clause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics_deserializable`
[INFO] [stdout]    --> src/lib.rs:310:10
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let (impl_generics_deserializable, _, _) = combined_generics_deserializable.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics_deserializable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-fuzz-macro v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `impl_concretization`
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let impl_concretization = opts_concretize_impl.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `concretization`
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let concretization = opts_concretize.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_concretization`
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let combined_concretization =
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_ty_base`
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let self_ty_base = self_ty.as_ref().map(type_utils::type_base);
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_ty_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt_args`
[INFO] [stdout]    --> src/lib.rs:348:33
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fmt_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `de_args`
[INFO] [stdout]    --> src/lib.rs:348:57
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_de_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_is`
[INFO] [stdout]    --> src/lib.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let args_is: Vec<Expr> = arg_tys
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_is`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_from_autos`
[INFO] [stdout]    --> src/lib.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     let args_from_autos = args_from_autos(&autos);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_from_autos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_ty`
[INFO] [stdout]    --> src/lib.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let ret_ty = match &sig.output {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mod_ident`
[INFO] [stdout]    --> src/lib.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |     let mod_ident = Ident::new(&format!("{}_fuzz", renamed_target_ident), Span::call_site());
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mod_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_generics_as_turbofish`
[INFO] [stdout]    --> src/lib.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics_as_turbofish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_args`
[INFO] [stdout]    --> src/lib.rs:391:36
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_format`
[INFO] [stdout]    --> src/lib.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     attrs: &Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     vis: &Visibility,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defaultness`
[INFO] [stdout]    --> src/lib.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     defaultness: &Option<token::Default>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defaultness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]    --> src/lib.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        -------------- any code following this expression is unreachable
[INFO] [stdout] 410 |     let write_concretizations = quote! {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ unreachable definition
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `SerdeFormat`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:409:24
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stmts`
[INFO] [stdout]    --> src/lib.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let stmts = &block.stmts;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_type_idents`
[INFO] [stdout]    --> src/lib.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let combined_type_idents = [impl_ty_idents.clone(), ty_idents.clone()].concat();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_type_idents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_ty_names`
[INFO] [stdout]    --> src/lib.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let impl_ty_names: Vec<Expr> = impl_ty_idents
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_names`
[INFO] [stdout]    --> src/lib.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let ty_names: Vec<Expr> = ty_idents
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics`
[INFO] [stdout]    --> src/lib.rs:309:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `where_clause`
[INFO] [stdout]    --> src/lib.rs:309:38
[INFO] [stdout]     |
[INFO] [stdout] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_where_clause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_generics_deserializable`
[INFO] [stdout]    --> src/lib.rs:310:10
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let (impl_generics_deserializable, _, _) = combined_generics_deserializable.split_for_impl();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics_deserializable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `impl_concretization`
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let impl_concretization = opts_concretize_impl.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `concretization`
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |     let concretization = opts_concretize.as_ref().map(args_as_turbofish);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_concretization`
[INFO] [stdout]    --> src/lib.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let combined_concretization =
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_concretization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_ty_base`
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let self_ty_base = self_ty.as_ref().map(type_utils::type_base);
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_ty_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fmt_args`
[INFO] [stdout]    --> src/lib.rs:348:33
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fmt_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `de_args`
[INFO] [stdout]    --> src/lib.rs:348:57
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_de_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_is`
[INFO] [stdout]    --> src/lib.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let args_is: Vec<Expr> = arg_tys
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_is`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_from_autos`
[INFO] [stdout]    --> src/lib.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     let args_from_autos = args_from_autos(&autos);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_from_autos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_ty`
[INFO] [stdout]    --> src/lib.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let ret_ty = match &sig.output {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mod_ident`
[INFO] [stdout]    --> src/lib.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |     let mod_ident = Ident::new(&format!("{}_fuzz", renamed_target_ident), Span::call_site());
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mod_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_generics_as_turbofish`
[INFO] [stdout]    --> src/lib.rs:391:10
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics_as_turbofish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struct_args`
[INFO] [stdout]    --> src/lib.rs:391:36
[INFO] [stdout]     |
[INFO] [stdout] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serde_format`
[INFO] [stdout]    --> src/lib.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |     let serde_format = serde_format();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     attrs: &Vec<Attribute>,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]    --> src/lib.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     vis: &Visibility,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defaultness`
[INFO] [stdout]    --> src/lib.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     defaultness: &Option<token::Default>,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defaultness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "471f4f6c57294338981d39ce1c9255aa680fc555ac1c8c77546e075a4a244c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471f4f6c57294338981d39ce1c9255aa680fc555ac1c8c77546e075a4a244c23", kill_on_drop: false }`
[INFO] [stdout] 471f4f6c57294338981d39ce1c9255aa680fc555ac1c8c77546e075a4a244c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 75ae20e638d5dd4937752d341f4e0b33e8ce9e10c6e67f72d442ffa0f31c2bc0
[INFO] running `Command { std: "docker" "start" "-a" "75ae20e638d5dd4937752d341f4e0b33e8ce9e10c6e67f72d442ffa0f31c2bc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable definition
[INFO] [stderr]    --> src/lib.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 409 |     let serde_format = serde_format();
[INFO] [stderr]     |                        -------------- any code following this expression is unreachable
[INFO] [stderr] 410 |     let write_concretizations = quote! {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ unreachable definition
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] note: this expression has type `SerdeFormat`, which is uninhabited
[INFO] [stderr]    --> src/lib.rs:409:24
[INFO] [stderr]     |
[INFO] [stderr] 409 |     let serde_format = serde_format();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stmts`
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let stmts = &block.stmts;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stmts`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_type_idents`
[INFO] [stderr]    --> src/lib.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |     let combined_type_idents = [impl_ty_idents.clone(), ty_idents.clone()].concat();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_type_idents`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `impl_ty_names`
[INFO] [stderr]    --> src/lib.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |     let impl_ty_names: Vec<Expr> = impl_ty_idents
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_ty_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty_names`
[INFO] [stderr]    --> src/lib.rs:301:9
[INFO] [stderr]     |
[INFO] [stderr] 301 |     let ty_names: Vec<Expr> = ty_idents
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `impl_generics`
[INFO] [stderr]    --> src/lib.rs:309:10
[INFO] [stderr]     |
[INFO] [stderr] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stderr]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `where_clause`
[INFO] [stderr]    --> src/lib.rs:309:38
[INFO] [stderr]     |
[INFO] [stderr] 309 |     let (impl_generics, ty_generics, where_clause) = combined_generics.split_for_impl();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_where_clause`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `impl_generics_deserializable`
[INFO] [stderr]    --> src/lib.rs:310:10
[INFO] [stderr]     |
[INFO] [stderr] 310 |     let (impl_generics_deserializable, _, _) = combined_generics_deserializable.split_for_impl();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_generics_deserializable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `impl_concretization`
[INFO] [stderr]    --> src/lib.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let impl_concretization = opts_concretize_impl.as_ref().map(args_as_turbofish);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_impl_concretization`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `concretization`
[INFO] [stderr]    --> src/lib.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |     let concretization = opts_concretize.as_ref().map(args_as_turbofish);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_concretization`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_concretization`
[INFO] [stderr]    --> src/lib.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |     let combined_concretization =
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_concretization`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `self_ty_base`
[INFO] [stderr]    --> src/lib.rs:346:9
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let self_ty_base = self_ty.as_ref().map(type_utils::type_base);
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_ty_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receiver`
[INFO] [stderr]    --> src/lib.rs:348:10
[INFO] [stderr]     |
[INFO] [stderr] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stderr]     |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fmt_args`
[INFO] [stderr]    --> src/lib.rs:348:33
[INFO] [stderr]     |
[INFO] [stderr] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stderr]     |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fmt_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `de_args`
[INFO] [stderr]    --> src/lib.rs:348:57
[INFO] [stderr]     |
[INFO] [stderr] 348 |     let (receiver, mut arg_tys, fmt_args, mut ser_args, de_args) =
[INFO] [stderr]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_de_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args_is`
[INFO] [stderr]    --> src/lib.rs:353:9
[INFO] [stderr]     |
[INFO] [stderr] 353 |     let args_is: Vec<Expr> = arg_tys
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_is`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args_from_autos`
[INFO] [stderr]    --> src/lib.rs:369:9
[INFO] [stderr]     |
[INFO] [stderr] 369 |     let args_from_autos = args_from_autos(&autos);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_from_autos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret_ty`
[INFO] [stderr]    --> src/lib.rs:370:9
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let ret_ty = match &sig.output {
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mod_ident`
[INFO] [stderr]    --> src/lib.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |     let mod_ident = Ident::new(&format!("{}_fuzz", renamed_target_ident), Span::call_site());
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mod_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty_generics_as_turbofish`
[INFO] [stderr]    --> src/lib.rs:391:10
[INFO] [stderr]     |
[INFO] [stderr] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_generics_as_turbofish`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `struct_args`
[INFO] [stderr]    --> src/lib.rs:391:36
[INFO] [stderr]     |
[INFO] [stderr] 391 |     let (ty_generics_as_turbofish, struct_args) = if opts.only_concretizations {
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `serde_format`
[INFO] [stderr]    --> src/lib.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 409 |     let serde_format = serde_format();
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serde_format`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     attrs: &Vec<Attribute>,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]    --> src/lib.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     vis: &Visibility,
[INFO] [stderr]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `defaultness`
[INFO] [stderr]    --> src/lib.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     defaultness: &Option<token::Default>,
[INFO] [stderr]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defaultness`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `test-fuzz-macro` (lib) generated 25 warnings
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `test-fuzz-macro` (lib test) generated 25 warnings (25 duplicates)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_fuzz_macro-a00ee4d53021d50a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test-fuzz-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" "75ae20e638d5dd4937752d341f4e0b33e8ce9e10c6e67f72d442ffa0f31c2bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ae20e638d5dd4937752d341f4e0b33e8ce9e10c6e67f72d442ffa0f31c2bc0", kill_on_drop: false }`
[INFO] [stdout] 75ae20e638d5dd4937752d341f4e0b33e8ce9e10c6e67f72d442ffa0f31c2bc0