[INFO] fetching crate php_mt_seed 1.0.1...
[INFO] testing php_mt_seed-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate php_mt_seed 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate php_mt_seed 1.0.1
[INFO] finished tweaking crates.io crate php_mt_seed 1.0.1
[INFO] tweaked toml for crates.io crate php_mt_seed 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate php_mt_seed 1.0.1 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 php_mt_seed 1.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83991d68a4dc018bd86d12f3da0a50f2525e0e90dfc4aaf27c10cef46444fca1
[INFO] running `Command { std: "docker" "start" "-a" "83991d68a4dc018bd86d12f3da0a50f2525e0e90dfc4aaf27c10cef46444fca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83991d68a4dc018bd86d12f3da0a50f2525e0e90dfc4aaf27c10cef46444fca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83991d68a4dc018bd86d12f3da0a50f2525e0e90dfc4aaf27c10cef46444fca1", kill_on_drop: false }`
[INFO] [stdout] 83991d68a4dc018bd86d12f3da0a50f2525e0e90dfc4aaf27c10cef46444fca1
[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=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] 32d88a4a3c11fb3593dacbd171382cedc5a60e06894fb76c1f2982ec8e66ee2a
[INFO] running `Command { std: "docker" "start" "-a" "32d88a4a3c11fb3593dacbd171382cedc5a60e06894fb76c1f2982ec8e66ee2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling naga v26.0.0
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling wgpu-hal v26.0.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling glow v0.16.0
[INFO] [stderr]    Compiling profiling v1.0.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling wgpu-core v26.0.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling wgpu v26.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ordered-float v5.0.0
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling bytemuck_derive v1.10.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling wgpu-types v26.0.0
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling wgpu-core-deps-windows-linux-android v26.0.0
[INFO] [stderr]    Compiling php_mt_seed v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.91s
[INFO] running `Command { std: "docker" "inspect" "32d88a4a3c11fb3593dacbd171382cedc5a60e06894fb76c1f2982ec8e66ee2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d88a4a3c11fb3593dacbd171382cedc5a60e06894fb76c1f2982ec8e66ee2a", kill_on_drop: false }`
[INFO] [stdout] 32d88a4a3c11fb3593dacbd171382cedc5a60e06894fb76c1f2982ec8e66ee2a
[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=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] e7596cf70077b5eb15ee5b37ae778a82bb8d89dc677457af8dc609c57662424a
[INFO] running `Command { std: "docker" "start" "-a" "e7596cf70077b5eb15ee5b37ae778a82bb8d89dc677457af8dc609c57662424a", kill_on_drop: false }`
[INFO] [stderr]    Compiling php_mt_seed v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `contains` found for enum `Option<T>` in the current scope
[INFO] [stdout]    --> src/main.rs:359:16
[INFO] [stdout]     |
[INFO] [stdout] 359 |         result.contains(&expected_seed),
[INFO] [stdout]     |                ^^^^^^^^ method not found in `Option<Vec<u32>>`
[INFO] [stdout]     |
[INFO] [stdout] note: the method `contains` exists on the type `Vec<u32>`
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/slice/mod.rs:2589:4
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Vec<u32>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 359 |         result.expect("REASON").contains(&expected_seed),
[INFO] [stdout]     |               +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `php_mt_seed` (bin "php_mt_seed_rs" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e7596cf70077b5eb15ee5b37ae778a82bb8d89dc677457af8dc609c57662424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7596cf70077b5eb15ee5b37ae778a82bb8d89dc677457af8dc609c57662424a", kill_on_drop: false }`
[INFO] [stdout] e7596cf70077b5eb15ee5b37ae778a82bb8d89dc677457af8dc609c57662424a
