[INFO] fetching crate rustpython-ast 0.4.0...
[INFO] checking rustpython-ast-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rustpython-ast 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustpython-ast 0.4.0
[INFO] finished tweaking crates.io crate rustpython-ast 0.4.0
[INFO] tweaked toml for crates.io crate rustpython-ast 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustpython-ast 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding malachite-bigint v0.2.3 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0272d3fdf268d59b353ca1d783820ae06e11710d915fd6126428c5b8a5080daa
[INFO] running `Command { std: "docker" "start" "-a" "0272d3fdf268d59b353ca1d783820ae06e11710d915fd6126428c5b8a5080daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0272d3fdf268d59b353ca1d783820ae06e11710d915fd6126428c5b8a5080daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0272d3fdf268d59b353ca1d783820ae06e11710d915fd6126428c5b8a5080daa", kill_on_drop: false }`
[INFO] [stdout] 0272d3fdf268d59b353ca1d783820ae06e11710d915fd6126428c5b8a5080daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dfdd6454bf77bc41c57dc928af0fe8c0a7e9eece47d3f7d63f974726081ab82
[INFO] running `Command { std: "docker" "start" "-a" "4dfdd6454bf77bc41c57dc928af0fe8c0a7e9eece47d3f7d63f974726081ab82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling malachite-nz v0.4.22
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking rustpython-parser-vendored v0.4.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking malachite-base v0.4.22
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling is-macro v0.3.7
[INFO] [stderr]     Checking rustpython-parser-core v0.4.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking malachite-q v0.4.22
[INFO] [stderr]     Checking malachite v0.4.22
[INFO] [stderr]     Checking malachite-bigint v0.2.3
[INFO] [stderr]     Checking rustpython-ast v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 22 | |         let end = self.locate(user.end());
[INFO] [stdout] 23 | |         Ok((start..end).into())
[INFO] [stdout] 24 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Ok((start..end).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |   ) -> Result<crate::ExprJoinedStr<SourceRange>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 32 | |     let crate::ExprJoinedStr { range: _, values } = node;
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |     let mut located_values = Vec::with_capacity(values.len());
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     })
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<generic::Expr<SourceRange>>>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |                           .map(|spec| match *spec {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] 54 | |                                 let node =
[INFO] [stdout] 55 | |                                     linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |                             expr => locator.fold(expr),
[INFO] [stdout] 59 | |                         })
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |   ...                   crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 54 | | ...                       let node =
[INFO] [stdout] 55 | | ...                           linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout] 56 | | ...                       Ok(crate::Expr::JoinedStr(node))
[INFO] [stdout] 57 | | ...                   }
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, generic::ExprJoinedStr<SourceRange>>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   Ok(crate::Expr::JoinedStr(node))
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   expr => locator.fold(expr),
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     Ok(crate::ExprJoinedStr {
[INFO] [stdout] 71 | |         range: location,
[INFO] [stdout] 72 | |         values: located_values,
[INFO] [stdout] 73 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 90 | |         let end = self.locate(user.end());
[INFO] [stdout] 91 | |         Ok((start..end).into())
[INFO] [stdout] 92 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Ok((start..end).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:97:62
[INFO] [stdout]     |
[INFO] [stdout]  97 |       ) -> Result<crate::ExprDict<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout]  98 | |         let crate::ExprDict {
[INFO] [stdout]  99 | |             range,
[INFO] [stdout] 100 | |             keys,
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         })
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, generic::Expr<SourceRange>>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         Ok(crate::ExprDict {
[INFO] [stdout] 113 | |             range,
[INFO] [stdout] 114 | |             keys: located_keys,
[INFO] [stdout] 115 | |             values: located_values,
[INFO] [stdout] 116 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:122:63
[INFO] [stdout]     |
[INFO] [stdout] 122 |       ) -> Result<crate::ExprIfExp<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 123 | |         let crate::ExprIfExp {
[INFO] [stdout] 124 | |             range,
[INFO] [stdout] 125 | |             test,
[INFO] [stdout] ...   |
[INFO] [stdout] 139 | |         })
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | /         Ok(crate::ExprIfExp {
[INFO] [stdout] 135 | |             range,
[INFO] [stdout] 136 | |             test,
[INFO] [stdout] 137 | |             body,
[INFO] [stdout] 138 | |             orelse,
[INFO] [stdout] 139 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:145:66
[INFO] [stdout]     |
[INFO] [stdout] 145 |       ) -> Result<crate::StmtClassDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 146 | |         let crate::StmtClassDef {
[INFO] [stdout] 147 | |             name,
[INFO] [stdout] 148 | |             bases,
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         })
[INFO] [stdout] 174 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Keyword<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Keyword<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 | /         Ok(crate::StmtClassDef {
[INFO] [stdout] 166 | |             name,
[INFO] [stdout] 167 | |             bases,
[INFO] [stdout] 168 | |             keywords,
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |             range,
[INFO] [stdout] 173 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:178:69
[INFO] [stdout]     |
[INFO] [stdout] 178 |       ) -> Result<crate::StmtFunctionDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________^
[INFO] [stdout] 179 | |         let crate::StmtFunctionDef {
[INFO] [stdout] 180 | |             name,
[INFO] [stdout] 181 | |             args,
[INFO] [stdout] ...   |
[INFO] [stdout] 208 | |         })
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Arguments<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Arguments<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<Box<generic::Expr<SourceRange>>>>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Box<generic::Expr<SourceRange>>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<std::string::String>>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | /         Ok(crate::StmtFunctionDef {
[INFO] [stdout] 200 | |             name,
[INFO] [stdout] 201 | |             args,
[INFO] [stdout] 202 | |             body,
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |             range,
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:213:74
[INFO] [stdout]     |
[INFO] [stdout] 213 |       ) -> Result<crate::StmtAsyncFunctionDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 214 | |         let crate::StmtAsyncFunctionDef {
[INFO] [stdout] 215 | |             name,
[INFO] [stdout] 216 | |             args,
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         })
[INFO] [stdout] 244 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Arguments<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Arguments<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<Box<generic::Expr<SourceRange>>>>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Box<generic::Expr<SourceRange>>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<std::string::String>>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         Ok(crate::StmtAsyncFunctionDef {
[INFO] [stdout] 235 | |             name,
[INFO] [stdout] 236 | |             args,
[INFO] [stdout] 237 | |             body,
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | |             range,
[INFO] [stdout] 243 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:248:67
[INFO] [stdout]     |
[INFO] [stdout] 248 |       ) -> Result<crate::ExprJoinedStr<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 249 | |         let start = self.locate(node.range.start());
[INFO] [stdout] 250 | |         let end = self.locate_only(node.range.end());
[INFO] [stdout] 251 | |         let location = SourceRange::new(start, end);
[INFO] [stdout] 252 | |         linear_locate_expr_joined_str(self, node, location)
[INFO] [stdout] 253 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         linear_locate_expr_joined_str(self, node, location)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:258:62
[INFO] [stdout]     |
[INFO] [stdout] 258 |       ) -> Result<crate::ExprCall<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 259 | |         let crate::ExprCall {
[INFO] [stdout] 260 | |             range,
[INFO] [stdout] 261 | |             func,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         })
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Keyword<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Keyword<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         Ok(crate::ExprCall {
[INFO] [stdout] 271 | |             range,
[INFO] [stdout] 272 | |             func,
[INFO] [stdout] 273 | |             args,
[INFO] [stdout] 274 | |             keywords,
[INFO] [stdout] 275 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:294:45
[INFO] [stdout]     |
[INFO] [stdout] 294 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 295 | |         let end = self.0.locate_only(user.end());
[INFO] [stdout] 296 | |         Ok((start..end).into())
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Ok((start..end).into())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 22 | |         let end = self.locate(user.end());
[INFO] [stdout] 23 | |         Ok((start..end).into())
[INFO] [stdout] 24 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Ok((start..end).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |   ) -> Result<crate::ExprJoinedStr<SourceRange>, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 32 | |     let crate::ExprJoinedStr { range: _, values } = node;
[INFO] [stdout] 33 | |
[INFO] [stdout] 34 | |     let mut located_values = Vec::with_capacity(values.len());
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     })
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     value: locator.fold(formatted.value)?,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<generic::Expr<SourceRange>>>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |                           .map(|spec| match *spec {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] 54 | |                                 let node =
[INFO] [stdout] 55 | |                                     linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |                             expr => locator.fold(expr),
[INFO] [stdout] 59 | |                         })
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |   ...                   crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 54 | | ...                       let node =
[INFO] [stdout] 55 | | ...                           linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout] 56 | | ...                       Ok(crate::Expr::JoinedStr(node))
[INFO] [stdout] 57 | | ...                   }
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, generic::ExprJoinedStr<SourceRange>>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   linear_locate_expr_joined_str(locator, joined_str, location)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...                   Ok(crate::Expr::JoinedStr(node))
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   expr => locator.fold(expr),
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |                       format_spec: formatted
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 51 | |                         .format_spec
[INFO] [stdout] 52 | |                         .map(|spec| match *spec {
[INFO] [stdout] 53 | |                             crate::Expr::JoinedStr(joined_str) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |                         })
[INFO] [stdout] 60 | |                         .transpose()?
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     Ok(crate::ExprJoinedStr {
[INFO] [stdout] 71 | |         range: location,
[INFO] [stdout] 72 | |         values: located_values,
[INFO] [stdout] 73 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 90 | |         let end = self.locate(user.end());
[INFO] [stdout] 91 | |         Ok((start..end).into())
[INFO] [stdout] 92 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]   --> src/source_locator.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Ok((start..end).into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:97:62
[INFO] [stdout]     |
[INFO] [stdout]  97 |       ) -> Result<crate::ExprDict<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout]  98 | |         let crate::ExprDict {
[INFO] [stdout]  99 | |             range,
[INFO] [stdout] 100 | |             keys,
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         })
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |             located_keys.push(self.fold(key)?);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, generic::Expr<SourceRange>>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::Expr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:109:33
[INFO] [stdout]     |
[INFO] [stdout] 109 |             located_values.push(self.fold(value)?);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprDict<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | /         Ok(crate::ExprDict {
[INFO] [stdout] 113 | |             range,
[INFO] [stdout] 114 | |             keys: located_keys,
[INFO] [stdout] 115 | |             values: located_values,
[INFO] [stdout] 116 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:122:63
[INFO] [stdout]     |
[INFO] [stdout] 122 |       ) -> Result<crate::ExprIfExp<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 123 | |         let crate::ExprIfExp {
[INFO] [stdout] 124 | |             range,
[INFO] [stdout] 125 | |             test,
[INFO] [stdout] ...   |
[INFO] [stdout] 139 | |         })
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let test = self.fold(test)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let orelse = self.fold(orelse)?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprIfExp<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | /         Ok(crate::ExprIfExp {
[INFO] [stdout] 135 | |             range,
[INFO] [stdout] 136 | |             test,
[INFO] [stdout] 137 | |             body,
[INFO] [stdout] 138 | |             orelse,
[INFO] [stdout] 139 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:145:66
[INFO] [stdout]     |
[INFO] [stdout] 145 |       ) -> Result<crate::StmtClassDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 146 | |         let crate::StmtClassDef {
[INFO] [stdout] 147 | |             name,
[INFO] [stdout] 148 | |             bases,
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         })
[INFO] [stdout] 174 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:159:27
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let bases = self.fold(bases)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Keyword<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Keyword<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let keywords = self.fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtClassDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 | /         Ok(crate::StmtClassDef {
[INFO] [stdout] 166 | |             name,
[INFO] [stdout] 167 | |             bases,
[INFO] [stdout] 168 | |             keywords,
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |             range,
[INFO] [stdout] 173 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:178:69
[INFO] [stdout]     |
[INFO] [stdout] 178 |       ) -> Result<crate::StmtFunctionDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________^
[INFO] [stdout] 179 | |         let crate::StmtFunctionDef {
[INFO] [stdout] 180 | |             name,
[INFO] [stdout] 181 | |             args,
[INFO] [stdout] ...   |
[INFO] [stdout] 208 | |         })
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:189:30
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Arguments<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Arguments<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:194:56
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<Box<generic::Expr<SourceRange>>>>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Box<generic::Expr<SourceRange>>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<std::string::String>>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:197:28
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 | /         Ok(crate::StmtFunctionDef {
[INFO] [stdout] 200 | |             name,
[INFO] [stdout] 201 | |             args,
[INFO] [stdout] 202 | |             body,
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |             range,
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:213:74
[INFO] [stdout]     |
[INFO] [stdout] 213 |       ) -> Result<crate::StmtAsyncFunctionDef<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 214 | |         let crate::StmtAsyncFunctionDef {
[INFO] [stdout] 215 | |             name,
[INFO] [stdout] 216 | |             args,
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         })
[INFO] [stdout] 244 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let decorator_list = self.fold(decorator_list)?;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, builtin::Identifier>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<builtin::Identifier, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:227:20
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let name = self.fold(name)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::TypeParam<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::TypeParam<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let type_params = self.fold(type_params)?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Arguments<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Arguments<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:229:56
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let args: Box<crate::Arguments<SourceRange>> = self.fold(args)?;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<Box<generic::Expr<SourceRange>>>>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Box<generic::Expr<SourceRange>>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let returns = self.fold(returns)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Stmt<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Stmt<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let body = self.fold(body)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<std::string::String>>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::string::String>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:232:28
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let type_comment = self.fold(type_comment)?;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:233:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::StmtAsyncFunctionDef<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         Ok(crate::StmtAsyncFunctionDef {
[INFO] [stdout] 235 | |             name,
[INFO] [stdout] 236 | |             args,
[INFO] [stdout] 237 | |             body,
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | |             range,
[INFO] [stdout] 243 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:248:67
[INFO] [stdout]     |
[INFO] [stdout] 248 |       ) -> Result<crate::ExprJoinedStr<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 249 | |         let start = self.locate(node.range.start());
[INFO] [stdout] 250 | |         let end = self.locate_only(node.range.end());
[INFO] [stdout] 251 | |         let location = SourceRange::new(start, end);
[INFO] [stdout] 252 | |         linear_locate_expr_joined_str(self, node, location)
[INFO] [stdout] 253 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprJoinedStr<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         linear_locate_expr_joined_str(self, node, location)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:258:62
[INFO] [stdout]     |
[INFO] [stdout] 258 |       ) -> Result<crate::ExprCall<Self::TargetU>, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 259 | |         let crate::ExprCall {
[INFO] [stdout] 260 | |             range,
[INFO] [stdout] 261 | |             func,
[INFO] [stdout] ...   |
[INFO] [stdout] 275 | |         })
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Box<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let func = self.fold(func)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Keyword<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Keyword<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let keywords = LinearLookaheadLocator(self).fold(keywords)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<generic::Expr<SourceRange>>>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<generic::Expr<SourceRange>>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let args = self.fold(args)?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SourceRange>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let range = self.map_user(range, context)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<generic::ExprCall<SourceRange>, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         Ok(crate::ExprCall {
[INFO] [stdout] 271 | |             range,
[INFO] [stdout] 272 | |             func,
[INFO] [stdout] 273 | |             args,
[INFO] [stdout] 274 | |             keywords,
[INFO] [stdout] 275 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:294:45
[INFO] [stdout]     |
[INFO] [stdout] 294 |       ) -> Result<Self::TargetU, Self::Error> {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 295 | |         let end = self.0.locate_only(user.end());
[INFO] [stdout] 296 | |         Ok((start..end).into())
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SourceRange, Infallible>
[INFO] [stdout]    --> src/source_locator.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Ok((start..end).into())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustpython-ast` (lib) due to 137 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustpython-ast` (lib test) due to 137 previous errors
[INFO] running `Command { std: "docker" "inspect" "4dfdd6454bf77bc41c57dc928af0fe8c0a7e9eece47d3f7d63f974726081ab82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfdd6454bf77bc41c57dc928af0fe8c0a7e9eece47d3f7d63f974726081ab82", kill_on_drop: false }`
[INFO] [stdout] 4dfdd6454bf77bc41c57dc928af0fe8c0a7e9eece47d3f7d63f974726081ab82