[INFO] fetching crate prover-engine 1.0.0...
[INFO] testing prover-engine-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prover-engine 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate prover-engine 1.0.0
[INFO] finished tweaking crates.io crate prover-engine 1.0.0
[INFO] tweaked toml for crates.io crate prover-engine 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prover-engine 1.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prover-engine 1.0.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e6bc5345d20ab7428200d0464b4e42b0c6f39b140bfb422b7a4a1b6beb9a78
[INFO] running `Command { std: "docker" "start" "-a" "c2e6bc5345d20ab7428200d0464b4e42b0c6f39b140bfb422b7a4a1b6beb9a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e6bc5345d20ab7428200d0464b4e42b0c6f39b140bfb422b7a4a1b6beb9a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e6bc5345d20ab7428200d0464b4e42b0c6f39b140bfb422b7a4a1b6beb9a78", kill_on_drop: false }`
[INFO] [stdout] c2e6bc5345d20ab7428200d0464b4e42b0c6f39b140bfb422b7a4a1b6beb9a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f86a3a9c85cf8ac6914c780fee373b4342633dbc8b663ad6fa621426c8fb173d
[INFO] running `Command { std: "docker" "start" "-a" "f86a3a9c85cf8ac6914c780fee373b4342633dbc8b663ad6fa621426c8fb173d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling try_match_inner v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tungstenite v0.26.2
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling axum-macros v0.5.0
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling try_match v0.4.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling opentelemetry v0.27.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling opentelemetry_sdk v0.27.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling str_inflector v0.12.0
[INFO] [stderr]    Compiling buildstructor v0.5.4
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-tungstenite v0.26.2
[INFO] [stderr]    Compiling tonic v0.12.3
[INFO] [stderr]    Compiling h2 v0.4.10
[INFO] [stderr]    Compiling tonic-health v0.12.3
[INFO] [stderr]    Compiling tonic-reflection v0.12.3
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.27.0
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.11
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling prover-telemetry v1.0.0
[INFO] [stderr]    Compiling prover-engine v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.34s
[INFO] running `Command { std: "docker" "inspect" "f86a3a9c85cf8ac6914c780fee373b4342633dbc8b663ad6fa621426c8fb173d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86a3a9c85cf8ac6914c780fee373b4342633dbc8b663ad6fa621426c8fb173d", kill_on_drop: false }`
[INFO] [stdout] f86a3a9c85cf8ac6914c780fee373b4342633dbc8b663ad6fa621426c8fb173d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4277794835bffa3905bbdd708eebe15fbb30b14463da96ca5ee760e4c010ee90
[INFO] running `Command { std: "docker" "start" "-a" "4277794835bffa3905bbdd708eebe15fbb30b14463da96ca5ee760e4c010ee90", kill_on_drop: false }`
[INFO] [stderr]    Compiling prover-engine v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4277794835bffa3905bbdd708eebe15fbb30b14463da96ca5ee760e4c010ee90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4277794835bffa3905bbdd708eebe15fbb30b14463da96ca5ee760e4c010ee90", kill_on_drop: false }`
[INFO] [stdout] 4277794835bffa3905bbdd708eebe15fbb30b14463da96ca5ee760e4c010ee90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c8dd1c00bcb28a0eaf792b4f43e0ea8115aaf953ddb02ba2a923472ab771f34
[INFO] running `Command { std: "docker" "start" "-a" "5c8dd1c00bcb28a0eaf792b4f43e0ea8115aaf953ddb02ba2a923472ab771f34", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prover_engine-a04722b3c48c6c1a)
[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]    Doc-tests prover_engine
[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" "5c8dd1c00bcb28a0eaf792b4f43e0ea8115aaf953ddb02ba2a923472ab771f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8dd1c00bcb28a0eaf792b4f43e0ea8115aaf953ddb02ba2a923472ab771f34", kill_on_drop: false }`
[INFO] [stdout] 5c8dd1c00bcb28a0eaf792b4f43e0ea8115aaf953ddb02ba2a923472ab771f34