[INFO] fetching crate overloadf_derive 0.1.8...
[INFO] building overloadf_derive-0.1.8 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate overloadf_derive 0.1.8 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate overloadf_derive 0.1.8
[INFO] finished tweaking crates.io crate overloadf_derive 0.1.8
[INFO] tweaked toml for crates.io crate overloadf_derive 0.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate overloadf_derive 0.1.8 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ae3eb32b372e11316492d75a0f016124e457a66b8b7bbddf9cd85c1cd856b7
[INFO] running `Command { std: "docker" "start" "-a" "88ae3eb32b372e11316492d75a0f016124e457a66b8b7bbddf9cd85c1cd856b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ae3eb32b372e11316492d75a0f016124e457a66b8b7bbddf9cd85c1cd856b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ae3eb32b372e11316492d75a0f016124e457a66b8b7bbddf9cd85c1cd856b7", kill_on_drop: false }`
[INFO] [stdout] 88ae3eb32b372e11316492d75a0f016124e457a66b8b7bbddf9cd85c1cd856b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b9c737ddda10ac55c04bd7e49252fea4f355953ab0bffd9e1f580e41dac6d8
[INFO] running `Command { std: "docker" "start" "-a" "a0b9c737ddda10ac55c04bd7e49252fea4f355953ab0bffd9e1f580e41dac6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling overloadf_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span, lazy_cell)]
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterAttrs` is never used
[INFO] [stdout]  --> src/fn_struct.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait FilterAttrs<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatType` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PatType {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FnArg` is never used
[INFO] [stdout]   --> src/fn_struct.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum FnArg {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Signature {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemFn` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct ItemFn {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_arg_typed` is never used
[INFO] [stdout]   --> src/fn_struct.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn fn_arg_typed(input: ParseStream) -> Result<PatType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_variadic` is never used
[INFO] [stdout]    --> src/fn_struct.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn pop_variadic(args: &mut Punctuated<FnArg, Token![,]>) -> Option<syn::Variadic> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_fn_args` is never used
[INFO] [stdout]    --> src/fn_struct.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn parse_fn_args(input: ParseStream) -> Result<Punctuated<FnArg, Token![,]>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attrs` is never used
[INFO] [stdout]    --> src/fn_struct.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn attrs(outer: Vec<syn::Attribute>, inner: Vec<syn::Attribute>) -> Vec<syn::Attribute> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:319:4
[INFO] [stdout]     |
[INFO] [stdout] 319 | fn maybe_variadic_to_tokens(arg: &FnArg, tokens: &mut proc_macro2::TokenStream) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn variadic_to_tokens(dots: &Token![...]) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "a0b9c737ddda10ac55c04bd7e49252fea4f355953ab0bffd9e1f580e41dac6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b9c737ddda10ac55c04bd7e49252fea4f355953ab0bffd9e1f580e41dac6d8", kill_on_drop: false }`
[INFO] [stdout] a0b9c737ddda10ac55c04bd7e49252fea4f355953ab0bffd9e1f580e41dac6d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77241abaa076f548b2b6b7891fd9ebc042fe8a7657543b8f2b2fb074d58006a9
[INFO] running `Command { std: "docker" "start" "-a" "77241abaa076f548b2b6b7891fd9ebc042fe8a7657543b8f2b2fb074d58006a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling overloadf_derive v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span, lazy_cell)]
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span, lazy_cell)]
[INFO] [stdout]   |                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterAttrs` is never used
[INFO] [stdout]  --> src/fn_struct.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait FilterAttrs<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatType` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PatType {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FnArg` is never used
[INFO] [stdout]   --> src/fn_struct.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum FnArg {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Signature {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemFn` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct ItemFn {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_arg_typed` is never used
[INFO] [stdout]   --> src/fn_struct.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn fn_arg_typed(input: ParseStream) -> Result<PatType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_variadic` is never used
[INFO] [stdout]    --> src/fn_struct.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn pop_variadic(args: &mut Punctuated<FnArg, Token![,]>) -> Option<syn::Variadic> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_fn_args` is never used
[INFO] [stdout]    --> src/fn_struct.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn parse_fn_args(input: ParseStream) -> Result<Punctuated<FnArg, Token![,]>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attrs` is never used
[INFO] [stdout]    --> src/fn_struct.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn attrs(outer: Vec<syn::Attribute>, inner: Vec<syn::Attribute>) -> Vec<syn::Attribute> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:319:4
[INFO] [stdout]     |
[INFO] [stdout] 319 | fn maybe_variadic_to_tokens(arg: &FnArg, tokens: &mut proc_macro2::TokenStream) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn variadic_to_tokens(dots: &Token![...]) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterAttrs` is never used
[INFO] [stdout]  --> src/fn_struct.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait FilterAttrs<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatType` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct PatType {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FnArg` is never used
[INFO] [stdout]   --> src/fn_struct.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum FnArg {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Signature` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Signature {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemFn` is never constructed
[INFO] [stdout]   --> src/fn_struct.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct ItemFn {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_arg_typed` is never used
[INFO] [stdout]   --> src/fn_struct.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn fn_arg_typed(input: ParseStream) -> Result<PatType> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_variadic` is never used
[INFO] [stdout]    --> src/fn_struct.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn pop_variadic(args: &mut Punctuated<FnArg, Token![,]>) -> Option<syn::Variadic> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_fn_args` is never used
[INFO] [stdout]    --> src/fn_struct.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn parse_fn_args(input: ParseStream) -> Result<Punctuated<FnArg, Token![,]>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attrs` is never used
[INFO] [stdout]    --> src/fn_struct.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn attrs(outer: Vec<syn::Attribute>, inner: Vec<syn::Attribute>) -> Vec<syn::Attribute> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maybe_variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:319:4
[INFO] [stdout]     |
[INFO] [stdout] 319 | fn maybe_variadic_to_tokens(arg: &FnArg, tokens: &mut proc_macro2::TokenStream) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variadic_to_tokens` is never used
[INFO] [stdout]    --> src/fn_struct.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn variadic_to_tokens(dots: &Token![...]) -> proc_macro2::TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "77241abaa076f548b2b6b7891fd9ebc042fe8a7657543b8f2b2fb074d58006a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77241abaa076f548b2b6b7891fd9ebc042fe8a7657543b8f2b2fb074d58006a9", kill_on_drop: false }`
[INFO] [stdout] 77241abaa076f548b2b6b7891fd9ebc042fe8a7657543b8f2b2fb074d58006a9