[INFO] fetching crate siamese 0.0.1...
[INFO] testing siamese-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate siamese 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate siamese 0.0.1
[INFO] finished tweaking crates.io crate siamese 0.0.1
[INFO] tweaked toml for crates.io crate siamese 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate siamese 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate siamese 0.0.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf75e2c61579b6921c61e3852282c5ae67fe0332e7e7597a7bd3d096cf4317c
[INFO] running `Command { std: "docker" "start" "-a" "8cf75e2c61579b6921c61e3852282c5ae67fe0332e7e7597a7bd3d096cf4317c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf75e2c61579b6921c61e3852282c5ae67fe0332e7e7597a7bd3d096cf4317c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf75e2c61579b6921c61e3852282c5ae67fe0332e7e7597a7bd3d096cf4317c", kill_on_drop: false }`
[INFO] [stdout] 8cf75e2c61579b6921c61e3852282c5ae67fe0332e7e7597a7bd3d096cf4317c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c4c782cef9979037d5bc7aeed787d9f70e6e811d4fd89b784b4389753cd177
[INFO] running `Command { std: "docker" "start" "-a" "b5c4c782cef9979037d5bc7aeed787d9f70e6e811d4fd89b784b4389753cd177", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling evalexpr v12.0.2
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling siamese v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RuleExecutor {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     context: Arc<Mutex<RuleContext>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `Command { std: "docker" "inspect" "b5c4c782cef9979037d5bc7aeed787d9f70e6e811d4fd89b784b4389753cd177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c4c782cef9979037d5bc7aeed787d9f70e6e811d4fd89b784b4389753cd177", kill_on_drop: false }`
[INFO] [stdout] b5c4c782cef9979037d5bc7aeed787d9f70e6e811d4fd89b784b4389753cd177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbff0197635354c60135bde5bf7a25faa46329a85018f70b43d4e094d06da14b
[INFO] running `Command { std: "docker" "start" "-a" "fbff0197635354c60135bde5bf7a25faa46329a85018f70b43d4e094d06da14b", kill_on_drop: false }`
[INFO] [stderr]    Compiling siamese v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct RuleExecutor {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     context: Arc<Mutex<RuleContext>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "fbff0197635354c60135bde5bf7a25faa46329a85018f70b43d4e094d06da14b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbff0197635354c60135bde5bf7a25faa46329a85018f70b43d4e094d06da14b", kill_on_drop: false }`
[INFO] [stdout] fbff0197635354c60135bde5bf7a25faa46329a85018f70b43d4e094d06da14b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9c6b13a80a52fa94f4e21a44c48ff1b7799cab5462329489cac8183a5906488
[INFO] running `Command { std: "docker" "start" "-a" "c9c6b13a80a52fa94f4e21a44c48ff1b7799cab5462329489cac8183a5906488", kill_on_drop: false }`
[INFO] [stderr] warning: field `context` is never read
[INFO] [stderr]   --> src/main.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct RuleExecutor {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 87 |     context: Arc<Mutex<RuleContext>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `siamese` (bin "siamese" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_core-8edfb30cb30dd367)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/siamese-b1ee1e15fa4f43bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9c6b13a80a52fa94f4e21a44c48ff1b7799cab5462329489cac8183a5906488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c6b13a80a52fa94f4e21a44c48ff1b7799cab5462329489cac8183a5906488", kill_on_drop: false }`
[INFO] [stdout] c9c6b13a80a52fa94f4e21a44c48ff1b7799cab5462329489cac8183a5906488
