[INFO] fetching crate digital_test_runner 0.1.0...
[INFO] checking digital_test_runner-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate digital_test_runner 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate digital_test_runner 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate digital_test_runner 0.1.0
[INFO] tweaked toml for crates.io crate digital_test_runner 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate digital_test_runner 0.1.0 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] crate crates.io crate digital_test_runner 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59587dd0de8a22718088e05b512a88918862d92ccf634c6f5fa3eb02e6458695
[INFO] running `Command { std: "docker" "start" "-a" "59587dd0de8a22718088e05b512a88918862d92ccf634c6f5fa3eb02e6458695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59587dd0de8a22718088e05b512a88918862d92ccf634c6f5fa3eb02e6458695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59587dd0de8a22718088e05b512a88918862d92ccf634c6f5fa3eb02e6458695", kill_on_drop: false }`
[INFO] [stdout] 59587dd0de8a22718088e05b512a88918862d92ccf634c6f5fa3eb02e6458695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 38097bb29c57ccfc4f0bfdac5a6716964a762b15447b198dbda173b52ab3797b
[INFO] running `Command { std: "docker" "start" "-a" "38097bb29c57ccfc4f0bfdac5a6716964a762b15447b198dbda173b52ab3797b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling cc v1.1.13
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-color v3.0.0
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.36.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rstest_macros v0.21.0
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking which v6.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling logos-codegen v0.14.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling logos-derive v0.14.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking logos v0.14.1
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digital_test_runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.21.0
[INFO] [stdout] warning: value assigned to `kind` is never read
[INFO] [stdout]   --> src/errors.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) kind: ParseErrorKind,
[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 `at` is never read
[INFO] [stdout]   --> src/errors.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub at: Vec<logos::Span>,
[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_code` is never read
[INFO] [stdout]   --> src/errors.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub(crate) source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         at: Vec<logos::Span>,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         at: logos::Span,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `signal_span` is never read
[INFO] [stdout]    --> src/errors.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         signal_span: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         at: logos::Span,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `signal_span` is never read
[INFO] [stdout]    --> src/errors.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         signal_span: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         at: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         at: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         source_code: Option<NamedSource<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 `signals` is never read
[INFO] [stdout]    --> src/errors.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         signals: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         name: String,
[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<Vec<OutputEntry<'_>>, NoError>
[INFO] [stdout]   --> src/static_test.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |       ) -> Result<Vec<OutputEntry<'_>>, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________^
[INFO] [stdout] 19 | |         Ok(vec![])
[INFO] [stdout] 20 | |     }
[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<Vec<OutputEntry<'_>>, NoError>
[INFO] [stdout]   --> src/static_test.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(vec![])
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `digital_test_runner` (lib) due to 2 previous errors; 20 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `kind` is never read
[INFO] [stdout]   --> src/errors.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) kind: ParseErrorKind,
[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 `at` is never read
[INFO] [stdout]   --> src/errors.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub at: Vec<logos::Span>,
[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_code` is never read
[INFO] [stdout]   --> src/errors.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub(crate) source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         at: Vec<logos::Span>,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         at: logos::Span,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `signal_span` is never read
[INFO] [stdout]    --> src/errors.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         signal_span: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         at: logos::Span,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `signal_span` is never read
[INFO] [stdout]    --> src/errors.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         signal_span: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         at: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         source_code: Option<NamedSource<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 `at` is never read
[INFO] [stdout]    --> src/errors.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         at: logos::Span,
[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_code` is never read
[INFO] [stdout]    --> src/errors.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         source_code: Option<NamedSource<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 `signals` is never read
[INFO] [stdout]    --> src/errors.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         signals: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         name: 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 `name` is never read
[INFO] [stdout]    --> src/errors.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         name: String,
[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<Vec<OutputEntry<'_>>, NoError>
[INFO] [stdout]   --> src/static_test.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |       ) -> Result<Vec<OutputEntry<'_>>, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________^
[INFO] [stdout] 19 | |         Ok(vec![])
[INFO] [stdout] 20 | |     }
[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<Vec<OutputEntry<'_>>, NoError>
[INFO] [stdout]   --> src/static_test.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(vec![])
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `digital_test_runner` (lib test) due to 2 previous errors; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "38097bb29c57ccfc4f0bfdac5a6716964a762b15447b198dbda173b52ab3797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38097bb29c57ccfc4f0bfdac5a6716964a762b15447b198dbda173b52ab3797b", kill_on_drop: false }`
[INFO] [stdout] 38097bb29c57ccfc4f0bfdac5a6716964a762b15447b198dbda173b52ab3797b
