[INFO] fetching crate taro-lang 0.2.0...
[INFO] checking taro-lang-0.2.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate taro-lang 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate taro-lang 0.2.0
[INFO] finished tweaking crates.io crate taro-lang 0.2.0
[INFO] tweaked toml for crates.io crate taro-lang 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate taro-lang 0.2.0 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] crate crates.io crate taro-lang 0.2.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391
[INFO] running `Command { std: "docker" "start" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391", 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" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391", 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" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling cc v1.2.65
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling libffi-sys v3.3.3
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling num_enum_derive v0.7.6
[INFO] [stderr]     Checking rustyline v15.0.0
[INFO] [stderr]     Checking num_enum v0.7.6
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking libffi v4.1.2
[INFO] [stderr]     Checking taro-lang v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `vm::error::RuntimeErrorKind`
[INFO] [stdout]    --> src/vm/call.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.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] 124 -                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.into())
[INFO] [stdout] 124 +                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count })
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 124 -                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.into())
[INFO] [stdout] 124 +                     Err(<vm::error::RuntimeErrorKind as Into<_>>::into(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `vm::error::RuntimeErrorKind`
[INFO] [stdout]    --> src/vm/magic.rs:294:40
[INFO] [stdout]     |
[INFO] [stdout] 294 |                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 294 -                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).into()),
[INFO] [stdout] 294 +                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result))),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 294 -                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).into()),
[INFO] [stdout] 294 +                         .ok_or_else(|| <vm::error::RuntimeErrorKind as Into<_>>::into(RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taro-lang` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `vm::error::RuntimeErrorKind`
[INFO] [stdout]    --> src/vm/call.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.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] 124 -                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.into())
[INFO] [stdout] 124 +                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count })
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 124 -                     Err(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }.into())
[INFO] [stdout] 124 +                     Err(<vm::error::RuntimeErrorKind as Into<_>>::into(RuntimeErrorKind::ArgumentCountMismatch { expected: 0, got: arg_count }))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `vm::error::RuntimeErrorKind`
[INFO] [stdout]    --> src/vm/magic.rs:294:40
[INFO] [stdout]     |
[INFO] [stdout] 294 |                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 294 -                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).into()),
[INFO] [stdout] 294 +                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result))),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 294 -                         .ok_or_else(|| RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)).into()),
[INFO] [stdout] 294 +                         .ok_or_else(|| <vm::error::RuntimeErrorKind as Into<_>>::into(RuntimeErrorKind::BadStrResult(self.obj_heap.type_of(result)))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compile/scan.rs:341:28
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn scan_tokens(source: &str) -> Vec<Token> {
[INFO] [stdout]     |                            ^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn scan_tokens(source: &str) -> Vec<Token<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taro-lang` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391", kill_on_drop: false }`
[INFO] [stdout] 89a23f9b8d934295fc41aebf28f7c4ed2da9646c365e4ac2023d17f7057d0391
