[INFO] fetching crate command-rpc 0.1.12...
[INFO] checking command-rpc-0.1.12 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate command-rpc 0.1.12 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate command-rpc 0.1.12
[INFO] finished tweaking crates.io crate command-rpc 0.1.12
[INFO] tweaked toml for crates.io crate command-rpc 0.1.12 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate command-rpc 0.1.12 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `command_rpc` library target)
[INFO] [stderr] warning: `command-rpc` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a
[INFO] running `Command { std: "docker" "start" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `command_rpc` library target)
[INFO] [stderr] warning: `command-rpc` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]     Checking quote v1.0.47
[INFO] [stderr]     Checking syn v2.0.119
[INFO] [stderr]     Checking command-rpc v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]   --> src/build_nested.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Token, parse_quote, Variant,
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `callback`
[INFO] [stdout]    --> src/lib.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 | macro_rules! callback {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `parse`
[INFO] [stdout]    --> src/lib.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 | macro_rules! parse {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]   --> src/build_nested.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Token, parse_quote, Variant,
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `callback`
[INFO] [stdout]    --> src/lib.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 | macro_rules! callback {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `parse`
[INFO] [stdout]    --> src/lib.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 | macro_rules! parse {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/build_nested.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut same = false;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `same`
[INFO] [stdout]   --> src/build_nested.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut same = false;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_same`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/build_nested.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut same = false;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `same`
[INFO] [stdout]   --> src/build_nested.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut same = false;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_same`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subcommands` is never used
[INFO] [stdout]   --> src/build_nested.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn subcommands(item: ItemMod) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input_check` is never used
[INFO] [stdout]   --> src/checks.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn input_check(arg: &FnArg) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/build_command.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |       let hint: String = match type_str.as_str() {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 19 | |         "String" => "string".to_string(),
[INFO] [stdout] 20 | |         "str" => "str".to_string(),
[INFO] [stdout] 21 | |         "bool" => "boolean".to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     .into();
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 39 -     }
[INFO] [stdout] 40 -     .into();
[INFO] [stdout] 39 +     };
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 18 ~     let hint: String = <String as Into<_>>::into(match type_str.as_str() {
[INFO] [stdout] 19 |         "String" => "string".to_string(),
[INFO] [stdout] ...
[INFO] [stdout] 38 |         s => s.to_string(), // maybe extras for Option<T> or Result<T, E>, ...
[INFO] [stdout] 39 ~     });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subcommands` is never used
[INFO] [stdout]   --> src/build_nested.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn subcommands(item: ItemMod) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `command-rpc` (lib test) due to 1 previous error; 7 warnings emitted
[INFO] [stdout] warning: function `input_check` is never used
[INFO] [stdout]   --> src/checks.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn input_check(arg: &FnArg) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/build_command.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |       let hint: String = match type_str.as_str() {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 19 | |         "String" => "string".to_string(),
[INFO] [stdout] 20 | |         "str" => "str".to_string(),
[INFO] [stdout] 21 | |         "bool" => "boolean".to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     .into();
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 39 -     }
[INFO] [stdout] 40 -     .into();
[INFO] [stdout] 39 +     };
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 18 ~     let hint: String = <String as Into<_>>::into(match type_str.as_str() {
[INFO] [stdout] 19 |         "String" => "string".to_string(),
[INFO] [stdout] ...
[INFO] [stdout] 38 |         s => s.to_string(), // maybe extras for Option<T> or Result<T, E>, ...
[INFO] [stdout] 39 ~     });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `command-rpc` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a", kill_on_drop: false }`
[INFO] [stdout] 5e71b5ad7fbe5103e08e8477142ba2bdb924ae256e5be90fdc6e7881bcd4e35a
