[INFO] fetching crate zkvmc-backend 0.0.1...
[INFO] testing zkvmc-backend-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zkvmc-backend 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate zkvmc-backend 0.0.1
[INFO] finished tweaking crates.io crate zkvmc-backend 0.0.1
[INFO] tweaked toml for crates.io crate zkvmc-backend 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zkvmc-backend 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zkvmc-backend 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-2025-10-28" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc2da6a18ee8f6b8b043ce1a2de38ac3a1f9464a830d363a7b41de849edca19c
[INFO] running `Command { std: "docker" "start" "-a" "dc2da6a18ee8f6b8b043ce1a2de38ac3a1f9464a830d363a7b41de849edca19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2da6a18ee8f6b8b043ce1a2de38ac3a1f9464a830d363a7b41de849edca19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2da6a18ee8f6b8b043ce1a2de38ac3a1f9464a830d363a7b41de849edca19c", kill_on_drop: false }`
[INFO] [stdout] dc2da6a18ee8f6b8b043ce1a2de38ac3a1f9464a830d363a7b41de849edca19c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529ca048077af0f48aab7bccf7466f4baf84e7098c21c8e6ef7a5433f9ccf4be
[INFO] running `Command { std: "docker" "start" "-a" "529ca048077af0f48aab7bccf7466f4baf84e7098c21c8e6ef7a5433f9ccf4be", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkvmc-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "529ca048077af0f48aab7bccf7466f4baf84e7098c21c8e6ef7a5433f9ccf4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529ca048077af0f48aab7bccf7466f4baf84e7098c21c8e6ef7a5433f9ccf4be", kill_on_drop: false }`
[INFO] [stdout] 529ca048077af0f48aab7bccf7466f4baf84e7098c21c8e6ef7a5433f9ccf4be
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45f4b911c99867820908aaac00e73453b47b77573287e4d77ec7ce2325fe7d4
[INFO] running `Command { std: "docker" "start" "-a" "f45f4b911c99867820908aaac00e73453b47b77573287e4d77ec7ce2325fe7d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkvmc-backend v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f45f4b911c99867820908aaac00e73453b47b77573287e4d77ec7ce2325fe7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45f4b911c99867820908aaac00e73453b47b77573287e4d77ec7ce2325fe7d4", kill_on_drop: false }`
[INFO] [stdout] f45f4b911c99867820908aaac00e73453b47b77573287e4d77ec7ce2325fe7d4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acb232246bee7fe709bf682dfef7b8bf086eda08513d1f5b6d31c2a6ded58360
[INFO] running `Command { std: "docker" "start" "-a" "acb232246bee7fe709bf682dfef7b8bf086eda08513d1f5b6d31c2a6ded58360", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zkvmc_backend-ac778af605718c30)
[INFO] [stderr]    Doc-tests zkvmc_backend
[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] [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" "acb232246bee7fe709bf682dfef7b8bf086eda08513d1f5b6d31c2a6ded58360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb232246bee7fe709bf682dfef7b8bf086eda08513d1f5b6d31c2a6ded58360", kill_on_drop: false }`
[INFO] [stdout] acb232246bee7fe709bf682dfef7b8bf086eda08513d1f5b6d31c2a6ded58360