[INFO] fetching crate ya 0.2.0...
[INFO] checking ya-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ya 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ya 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ya 0.2.0
[INFO] tweaked toml for crates.io crate ya 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ya 0.2.0 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 ya 0.2.0 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] 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] 93b3484a372d0e61dcfcefcce4e43d916bd1a54e930b30edd33028eee08f175f
[INFO] running `Command { std: "docker" "start" "-a" "93b3484a372d0e61dcfcefcce4e43d916bd1a54e930b30edd33028eee08f175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b3484a372d0e61dcfcefcce4e43d916bd1a54e930b30edd33028eee08f175f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b3484a372d0e61dcfcefcce4e43d916bd1a54e930b30edd33028eee08f175f", kill_on_drop: false }`
[INFO] [stdout] 93b3484a372d0e61dcfcefcce4e43d916bd1a54e930b30edd33028eee08f175f
[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] ede3f44e5c0d726c4752c04704e1932289f70418743b28c1ec52a963f1ca0b5d
[INFO] running `Command { std: "docker" "start" "-a" "ede3f44e5c0d726c4752c04704e1932289f70418743b28c1ec52a963f1ca0b5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking ya v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/map.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/block/node.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/node.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/block/node.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/node.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/plain.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/plain.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChompingMode` is never used
[INFO] [stdout]   --> src/parse/block/header.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ChompingMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chomping_indicator` is never used
[INFO] [stdout]   --> src/parse/block/header.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn chomping_indicator<'i, Input, Error>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `block_scalar` is never used
[INFO] [stdout]   --> src/parse/block/scalar.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn block_scalar<'i, Context, Input, Error>(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithLimit` is never constructed
[INFO] [stdout]    --> src/parse/input.rs:206:19
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub(crate) struct WithLimit<I> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `into_inner` are never used
[INFO] [stdout]    --> src/parse/input.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl<I> WithLimit<I> {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 213 |     /// Create a new instance.
[INFO] [stdout] 214 |     pub fn new(inner: I, limit: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn into_inner(self) -> I {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rstest v0.26.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/map.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/block/node.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/node.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/block/node.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/block/node.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/parse/plain.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     context: Context,
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent_level`
[INFO] [stdout]   --> src/parse/plain.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     indent_level: IndentLevel,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChompingMode` is never used
[INFO] [stdout]   --> src/parse/block/header.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ChompingMode {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chomping_indicator` is never used
[INFO] [stdout]   --> src/parse/block/header.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn chomping_indicator<'i, Input, Error>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `block_scalar` is never used
[INFO] [stdout]   --> src/parse/block/scalar.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn block_scalar<'i, Context, Input, Error>(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithLimit` is never constructed
[INFO] [stdout]    --> src/parse/input.rs:206:19
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub(crate) struct WithLimit<I> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `into_inner` are never used
[INFO] [stdout]    --> src/parse/input.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl<I> WithLimit<I> {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 213 |     /// Create a new instance.
[INFO] [stdout] 214 |     pub fn new(inner: I, limit: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn into_inner(self) -> I {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> tests/integration_tests.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn check_input(input: &Path, event: &Path) {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> tests/integration_tests.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let stream = yaml_stream::<_, ContextError>
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> tests/integration_tests.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[rstest]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `rstest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ya` (test "integration_tests") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ede3f44e5c0d726c4752c04704e1932289f70418743b28c1ec52a963f1ca0b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede3f44e5c0d726c4752c04704e1932289f70418743b28c1ec52a963f1ca0b5d", kill_on_drop: false }`
[INFO] [stdout] ede3f44e5c0d726c4752c04704e1932289f70418743b28c1ec52a963f1ca0b5d