[INFO] fetching crate knus 3.3.1... [INFO] checking knus-3.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate knus 3.3.1 into /workspace/builds/worker-0-tc2/source [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate knus 3.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate knus 3.3.1 [INFO] tweaked toml for crates.io crate knus 3.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate knus 3.3.1 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] crate crates.io crate knus 3.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 29f59085831ae7b8096928fa3f712b61a6fed754f5155ea02c9871e430c4594f [INFO] running `Command { std: "docker" "start" "-a" "29f59085831ae7b8096928fa3f712b61a6fed754f5155ea02c9871e430c4594f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29f59085831ae7b8096928fa3f712b61a6fed754f5155ea02c9871e430c4594f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29f59085831ae7b8096928fa3f712b61a6fed754f5155ea02c9871e430c4594f", kill_on_drop: false }` [INFO] [stdout] 29f59085831ae7b8096928fa3f712b61a6fed754f5155ea02c9871e430c4594f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 82cc85ffa30ccd8313902efe3b9ea69b7488b5644146a258f078506d85c3f022 [INFO] running `Command { std: "docker" "start" "-a" "82cc85ffa30ccd8313902efe3b9ea69b7488b5644146a258f078506d85c3f022", kill_on_drop: false }` [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling rustix v1.0.5 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling owo-colors v4.2.0 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking miniz_oxide v0.8.8 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking unicode-linebreak v0.1.5 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Checking is_ci v1.2.0 [INFO] [stderr] Checking unicode-width v0.2.0 [INFO] [stderr] Checking supports-color v3.0.2 [INFO] [stderr] Checking supports-hyperlinks v3.1.0 [INFO] [stderr] Checking supports-unicode v3.0.0 [INFO] [stderr] Checking textwrap v0.16.2 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking chumsky v0.9.3 [INFO] [stderr] Checking terminal_size v0.4.2 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling miette-derive v7.6.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling knus-derive v3.3.1 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking backtrace-ext v0.2.1 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking miette v7.6.0 [INFO] [stderr] Checking knus v3.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `source_code` is never read [INFO] [stdout] --> src/errors.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | pub(crate) source_code: NamedSource, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `errors` is never read [INFO] [stdout] --> src/errors.rs:30:16 [INFO] [stdout] | [INFO] [stdout] 30 | pub(crate) errors: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | found: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | expected: ExpectedType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rust_type` is never read [INFO] [stdout] --> src/errors.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | rust_type: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | expected: ExpectedKind, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `source` is never read [INFO] [stdout] --> src/errors.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | source: Box, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | message: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `label` is never read [INFO] [stdout] --> src/errors.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | label: Option<&'static str>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `span` is never read [INFO] [stdout] --> src/errors.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | span: S, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | found: TokenFormat, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | expected: BTreeSet, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `label` is never read [INFO] [stdout] --> src/errors.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | label: &'static str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opened` is never read [INFO] [stdout] --> src/errors.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | opened: TokenFormat, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | found: TokenFormat, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `help` is never read [INFO] [stdout] --> src/errors.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | help: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:263:58 [INFO] [stdout] | [INFO] [stdout] 263 | fn from_str(s: &str) -> Result { [INFO] [stdout] | __________________________________________________________^ [INFO] [stdout] 264 | | use TypeNameInner::*; [INFO] [stdout] 265 | | match BuiltinType::from_str(s) { [INFO] [stdout] 266 | | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] ... | [INFO] [stdout] 269 | | } [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 [INFO] [stdout] --> src/ast.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | / match BuiltinType::from_str(s) { [INFO] [stdout] 266 | | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] 267 | | Err(()) => Ok(TypeName(Custom(s.into()))), [INFO] [stdout] 268 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:266:22 [INFO] [stdout] | [INFO] [stdout] 266 | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:267:24 [INFO] [stdout] | [INFO] [stdout] 267 | Err(()) => Ok(TypeName(Custom(s.into()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `knus` (lib) due to 4 previous errors; 20 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `source_code` is never read [INFO] [stdout] --> src/errors.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | pub(crate) source_code: NamedSource, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `errors` is never read [INFO] [stdout] --> src/errors.rs:30:16 [INFO] [stdout] | [INFO] [stdout] 30 | pub(crate) errors: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | found: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | expected: ExpectedType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rust_type` is never read [INFO] [stdout] --> src/errors.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | rust_type: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | expected: ExpectedKind, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `source` is never read [INFO] [stdout] --> src/errors.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | source: Box, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | message: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `label` is never read [INFO] [stdout] --> src/errors.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | label: Option<&'static str>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `span` is never read [INFO] [stdout] --> src/errors.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | span: S, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | found: TokenFormat, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `expected` is never read [INFO] [stdout] --> src/errors.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | expected: BTreeSet, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `label` is never read [INFO] [stdout] --> src/errors.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | label: &'static str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opened` is never read [INFO] [stdout] --> src/errors.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | opened: TokenFormat, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/errors.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | found: TokenFormat, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `message` is never read [INFO] [stdout] --> src/errors.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `help` is never read [INFO] [stdout] --> src/errors.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | help: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:263:58 [INFO] [stdout] | [INFO] [stdout] 263 | fn from_str(s: &str) -> Result { [INFO] [stdout] | __________________________________________________________^ [INFO] [stdout] 264 | | use TypeNameInner::*; [INFO] [stdout] 265 | | match BuiltinType::from_str(s) { [INFO] [stdout] 266 | | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] ... | [INFO] [stdout] 269 | | } [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 [INFO] [stdout] --> src/ast.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | / match BuiltinType::from_str(s) { [INFO] [stdout] 266 | | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] 267 | | Err(()) => Ok(TypeName(Custom(s.into()))), [INFO] [stdout] 268 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:266:22 [INFO] [stdout] | [INFO] [stdout] 266 | Ok(b) => Ok(TypeName(Builtin(b))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ast.rs:267:24 [INFO] [stdout] | [INFO] [stdout] 267 | Err(()) => Ok(TypeName(Custom(s.into()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `knus` (lib test) due to 4 previous errors; 20 warnings emitted [INFO] running `Command { std: "docker" "inspect" "82cc85ffa30ccd8313902efe3b9ea69b7488b5644146a258f078506d85c3f022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82cc85ffa30ccd8313902efe3b9ea69b7488b5644146a258f078506d85c3f022", kill_on_drop: false }` [INFO] [stdout] 82cc85ffa30ccd8313902efe3b9ea69b7488b5644146a258f078506d85c3f022