[INFO] fetching crate causal 0.19.0...
[INFO] checking causal-0.19.0 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate causal 0.19.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate causal 0.19.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate causal 0.19.0
[INFO] tweaked toml for crates.io crate causal 0.19.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate causal 0.19.0 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate causal 0.19.0 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded causal_core_macros v0.19.0
[INFO] [stderr]   Downloaded trybuild v1.0.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad
[INFO] running `Command { std: "docker" "start" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking winnow v1.0.3
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking uuid v1.23.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking dashmap v6.2.1
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling causal_core_macros v0.19.0
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking trybuild v1.0.116
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking causal v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/engine.rs:1779:17
[INFO] [stdout]      |
[INFO] [stdout] 1779 |             let mut scan = |source: &str, ids: Vec<String>, out: &mut Vec<String>| {
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/engine.rs:1779:17
[INFO] [stdout]      |
[INFO] [stdout] 1779 |             let mut scan = |source: &str, ids: Vec<String>, out: &mut Vec<String>| {
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_max_attempts` is never used
[INFO] [stdout]    --> src/reactor_runner.rs:620:19
[INFO] [stdout]     |
[INFO] [stdout] 435 | / impl<R: Reactor + 'static> ReactorRunner<R>
[INFO] [stdout] 436 | | where
[INFO] [stdout] 437 | |     R::Trigger: DeserializeOwned,
[INFO] [stdout]     | |_________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 620 |       pub(crate) fn with_max_attempts(mut self, n: u32) -> Self {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `causal::event::Event`
[INFO] [stdout]   --> tests/workflow_roots.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use causal::event::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `causal::event::Event`
[INFO] [stdout]   --> tests/consumers_as_functions.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use causal::event::Event;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CONTROL_SUBJECT` is never used
[INFO] [stdout]   --> tests/empty_seal_fence_dependence_test.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const CONTROL_SUBJECT: &str = "causal:control";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trigger`
[INFO] [stdout]     --> src/reactor_runner.rs:4721:31
[INFO] [stdout]      |
[INFO] [stdout] 4721 |         async fn react(&self, trigger: &OrderPlaced, _c: Ctx<'_>) -> Result<Events> {
[INFO] [stdout]      |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trigger`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.87s
[INFO] running `Command { std: "docker" "inspect" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad", kill_on_drop: false }`
[INFO] [stdout] 151c9a2008f0c69737a1b381a31dc7fc55064a67a663f222394ac58ac70428ad
