[INFO] fetching crate moonlift 0.1.0-alpha.0...
[INFO] checking moonlift-0.1.0-alpha.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate moonlift 0.1.0-alpha.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate moonlift 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate moonlift 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate moonlift 0.1.0-alpha.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate moonlift 0.1.0-alpha.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 57 packages to latest compatible versions
[INFO] [stderr]       Adding cranelift v0.98.2 (available: v0.125.4)
[INFO] [stderr]       Adding cranelift-jit v0.98.2 (available: v0.125.4)
[INFO] [stderr]       Adding cranelift-module v0.98.2 (available: v0.125.4)
[INFO] [stderr]       Adding cranelift-native v0.98.2 (available: v0.125.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3e9bcdaa419ff25c3a445a4a2d7dc66b9a40030db62b6802a9418bd03301b701
[INFO] running `Command { std: "docker" "start" "-a" "3e9bcdaa419ff25c3a445a4a2d7dc66b9a40030db62b6802a9418bd03301b701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9bcdaa419ff25c3a445a4a2d7dc66b9a40030db62b6802a9418bd03301b701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9bcdaa419ff25c3a445a4a2d7dc66b9a40030db62b6802a9418bd03301b701", kill_on_drop: false }`
[INFO] [stdout] 3e9bcdaa419ff25c3a445a4a2d7dc66b9a40030db62b6802a9418bd03301b701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a1d8200a631b827650181612dd4b43eb7633ade9cd40e88fbc86dd3e618e1299
[INFO] running `Command { std: "docker" "start" "-a" "a1d8200a631b827650181612dd4b43eb7633ade9cd40e88fbc86dd3e618e1299", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-isle v0.98.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.98.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cranelift-entity v0.98.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.98.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v11.0.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking cranelift-bforest v0.98.2
[INFO] [stderr]     Checking regalloc2 v0.9.3
[INFO] [stderr]     Checking cranelift-control v0.98.2
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling cranelift-codegen v0.98.2
[INFO] [stderr]     Checking cranelift-frontend v0.98.2
[INFO] [stderr]     Checking cranelift-native v0.98.2
[INFO] [stderr]     Checking cranelift-module v0.98.2
[INFO] [stderr]     Checking cranelift-jit v0.98.2
[INFO] [stderr]     Checking cranelift v0.98.2
[INFO] [stderr]     Checking moonlift v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_f64_mut` is never used
[INFO] [stdout]   --> src/ast.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Number {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn as_f64_mut(&mut self) -> &mut f64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]   --> src/ast.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl UnaryOp {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub const fn to_str(self) -> &'static str {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/ast.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl InfixOp {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub const fn to_str(self) -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_description` is never read
[INFO] [stdout]   --> src/jit.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct JIT {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data_description: DataDescription,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `module` is never read
[INFO] [stdout]    --> src/jit.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct Translator<'a> {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 140 |     module: &'a mut JITModule,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/lexer.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<R> ReadSource<R> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn into_inner(self) -> R {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]    --> src/lexer.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<T: AsRef<[u8]>> BytesSource<T> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_f64_mut` is never used
[INFO] [stdout]   --> src/ast.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Number {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn as_f64_mut(&mut self) -> &mut f64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]   --> src/ast.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl UnaryOp {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub const fn to_str(self) -> &'static str {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]    --> src/ast.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl InfixOp {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub const fn to_str(self) -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_description` is never read
[INFO] [stdout]   --> src/jit.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct JIT {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data_description: DataDescription,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `module` is never read
[INFO] [stdout]    --> src/jit.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct Translator<'a> {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 140 |     module: &'a mut JITModule,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/lexer.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<R> ReadSource<R> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn into_inner(self) -> R {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]    --> src/lexer.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl<T: AsRef<[u8]>> BytesSource<T> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, ModuleError>, Source>
[INFO] [stdout]   --> src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok(block) => Ok(Self::from_block(block)?),
[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: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, ModuleError>, Source>
[INFO] [stdout]   --> src/lib.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |       fn from_block(block: Block) -> Result<Self, ModuleError> {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 45 | |         Ok(Self { block })
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Ok(Self { block })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, ModuleError>, Source>
[INFO] [stdout]   --> src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok(block) => Ok(Self::from_block(block)?),
[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: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, ModuleError>, Source>
[INFO] [stdout]   --> src/lib.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Ok(block) => Ok(Self::from_block(block)?),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |       fn from_block(block: Block) -> Result<Self, ModuleError> {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 45 | |         Ok(Self { block })
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Source, ModuleError>
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Ok(Self { block })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:154:64
[INFO] [stdout]     |
[INFO] [stdout] 154 |       fn read_next(&mut self) -> Result<Option<u8>, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 155 | |         let data = self.data.as_ref();
[INFO] [stdout] 156 | |         let len = data.len();
[INFO] [stdout] 157 | |         if self.pos < len {
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 | /         if self.pos < len {
[INFO] [stdout] 158 | |             // SAFETY: bounds checked
[INFO] [stdout] 159 | |             let c = unsafe { *data.get_unchecked(self.pos) };
[INFO] [stdout] 160 | |             self.pos += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 164 | |             Ok(None)
[INFO] [stdout] 165 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |           if self.pos < len {
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 158 | |             // SAFETY: bounds checked
[INFO] [stdout] 159 | |             let c = unsafe { *data.get_unchecked(self.pos) };
[INFO] [stdout] 160 | |             self.pos += 1;
[INFO] [stdout] 161 | |             Ok(Some(c))
[INFO] [stdout] 162 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Ok(Some(c))
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:162:16
[INFO] [stdout]     |
[INFO] [stdout] 162 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 163 | |             self.pos = POS_EOF;
[INFO] [stdout] 164 | |             Ok(None)
[INFO] [stdout] 165 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             Ok(None)
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:154:64
[INFO] [stdout]     |
[INFO] [stdout] 154 |       fn read_next(&mut self) -> Result<Option<u8>, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 155 | |         let data = self.data.as_ref();
[INFO] [stdout] 156 | |         let len = data.len();
[INFO] [stdout] 157 | |         if self.pos < len {
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moonlift` (lib) due to 12 previous errors; 7 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 | /         if self.pos < len {
[INFO] [stdout] 158 | |             // SAFETY: bounds checked
[INFO] [stdout] 159 | |             let c = unsafe { *data.get_unchecked(self.pos) };
[INFO] [stdout] 160 | |             self.pos += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 164 | |             Ok(None)
[INFO] [stdout] 165 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |           if self.pos < len {
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 158 | |             // SAFETY: bounds checked
[INFO] [stdout] 159 | |             let c = unsafe { *data.get_unchecked(self.pos) };
[INFO] [stdout] 160 | |             self.pos += 1;
[INFO] [stdout] 161 | |             Ok(Some(c))
[INFO] [stdout] 162 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Ok(Some(c))
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:162:16
[INFO] [stdout]     |
[INFO] [stdout] 162 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 163 | |             self.pos = POS_EOF;
[INFO] [stdout] 164 | |             Ok(None)
[INFO] [stdout] 165 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Option<u8>, Infallible>
[INFO] [stdout]    --> src/lexer.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             Ok(None)
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moonlift` (lib test) due to 12 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a1d8200a631b827650181612dd4b43eb7633ade9cd40e88fbc86dd3e618e1299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d8200a631b827650181612dd4b43eb7633ade9cd40e88fbc86dd3e618e1299", kill_on_drop: false }`
[INFO] [stdout] a1d8200a631b827650181612dd4b43eb7633ade9cd40e88fbc86dd3e618e1299
