[INFO] cloning repository https://github.com/BIYUEHU/language-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BIYUEHU/language-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIYUEHU%2Flanguage-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIYUEHU%2Flanguage-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8855214e1b204ed16608084e0683cc690a9c9eca
[INFO] checking BIYUEHU/language-parser against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBIYUEHU%2Flanguage-parser" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BIYUEHU/language-parser
[INFO] finished tweaking git repo https://github.com/BIYUEHU/language-parser
[INFO] tweaked toml for git repo https://github.com/BIYUEHU/language-parser written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BIYUEHU/language-parser 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 git repo https://github.com/BIYUEHU/language-parser 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] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc2/source/playground/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944
[INFO] running `Command { std: "docker" "start" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944", 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" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944", 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" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/playground/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking throw_error v0.2.0
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]     Checking or_poisoned v0.1.0
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]     Checking guardian v1.3.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking winnow v0.7.6
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking either_of v0.1.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking next_tuple v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking const_str_slice_concat v0.1.0
[INFO] [stderr]     Checking drain_filter_polyfill v0.1.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking mihama-core v0.0.1 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking ttt v0.1.0 (/opt/rustwide/workdir/ttt)
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Box::new(TypeObject::Any.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] 113 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 113 +             Box::new(TypeObject::Any),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 113 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 113 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Any)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Box::new(TypeObject::Unit.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] 114 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 114 +             Box::new(TypeObject::Unit),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 114 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 114 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Unit)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Box::new(TypeObject::Unit.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] 121 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 121 +             Box::new(TypeObject::Unit),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 121 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Unit)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:122:22
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Box::new(TypeObject::Float.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] 122 -             Box::new(TypeObject::Float.into()),
[INFO] [stdout] 122 +             Box::new(TypeObject::Float),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 122 -             Box::new(TypeObject::Float.into()),
[INFO] [stdout] 122 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Float)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Box::new(TypeObject::String.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] 129 -             Box::new(TypeObject::String.into()),
[INFO] [stdout] 129 +             Box::new(TypeObject::String),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 129 -             Box::new(TypeObject::String.into()),
[INFO] [stdout] 129 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::String)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Box::new(TypeObject::Any.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] 130 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 130 +             Box::new(TypeObject::Any),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 130 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 130 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Any)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Vec<T>`
[INFO] [stdout]    --> core/src/evaluator/object.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let t: Vec<_> = t.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] 105 -                 let t: Vec<_> = t.into();
[INFO] [stdout] 105 +                 let t: Vec<_> = t;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 105 -                 let t: Vec<_> = t.into();
[INFO] [stdout] 105 +                 let t: Vec<_> = <Vec<T> as Into<_>>::into(t);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `checker::ast::CheckedExpr`
[INFO] [stdout]    --> core/src/evaluator/mod.rs:155:58
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     Evaluator::new(local_env).eval_expr(&body.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] 155 -                     Evaluator::new(local_env).eval_expr(&body.into())
[INFO] [stdout] 155 +                     Evaluator::new(local_env).eval_expr(&body)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 155 -                     Evaluator::new(local_env).eval_expr(&body.into())
[INFO] [stdout] 155 +                     Evaluator::new(local_env).eval_expr(&<checker::ast::CheckedExpr as Into<_>>::into(body))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr] error: could not compile `mihama-core` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:113:22
[INFO] [stdout]     |
[INFO] [stdout] 113 |             Box::new(TypeObject::Any.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] 113 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 113 +             Box::new(TypeObject::Any),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 113 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 113 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Any)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:114:22
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Box::new(TypeObject::Unit.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] 114 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 114 +             Box::new(TypeObject::Unit),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 114 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 114 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Unit)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Box::new(TypeObject::Unit.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] 121 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 121 +             Box::new(TypeObject::Unit),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 121 -             Box::new(TypeObject::Unit.into()),
[INFO] [stdout] 121 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Unit)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:122:22
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Box::new(TypeObject::Float.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] 122 -             Box::new(TypeObject::Float.into()),
[INFO] [stdout] 122 +             Box::new(TypeObject::Float),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 122 -             Box::new(TypeObject::Float.into()),
[INFO] [stdout] 122 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Float)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Box::new(TypeObject::String.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] 129 -             Box::new(TypeObject::String.into()),
[INFO] [stdout] 129 +             Box::new(TypeObject::String),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 129 -             Box::new(TypeObject::String.into()),
[INFO] [stdout] 129 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::String)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TypeObject`
[INFO] [stdout]    --> core/src/env/mod.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Box::new(TypeObject::Any.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] 130 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 130 +             Box::new(TypeObject::Any),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 130 -             Box::new(TypeObject::Any.into()),
[INFO] [stdout] 130 +             Box::new(<TypeObject as Into<_>>::into(TypeObject::Any)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Vec<T>`
[INFO] [stdout]    --> core/src/evaluator/object.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let t: Vec<_> = t.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] 105 -                 let t: Vec<_> = t.into();
[INFO] [stdout] 105 +                 let t: Vec<_> = t;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 105 -                 let t: Vec<_> = t.into();
[INFO] [stdout] 105 +                 let t: Vec<_> = <Vec<T> as Into<_>>::into(t);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `checker::ast::CheckedExpr`
[INFO] [stdout]    --> core/src/evaluator/mod.rs:155:58
[INFO] [stdout]     |
[INFO] [stdout] 155 |                     Evaluator::new(local_env).eval_expr(&body.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] 155 -                     Evaluator::new(local_env).eval_expr(&body.into())
[INFO] [stdout] 155 +                     Evaluator::new(local_env).eval_expr(&body)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 155 -                     Evaluator::new(local_env).eval_expr(&body.into())
[INFO] [stdout] 155 +                     Evaluator::new(local_env).eval_expr(&<checker::ast::CheckedExpr as Into<_>>::into(body))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mihama-core` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944", kill_on_drop: false }`
[INFO] [stdout] 0152b226a9cc4d60eff0326b75dad35d5e74419bafd2eec690ebde100c9cd944
