[INFO] fetching crate zkc 0.0.0...
[INFO] testing zkc-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate zkc 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zkc 0.0.0
[INFO] finished tweaking crates.io crate zkc 0.0.0
[INFO] tweaked toml for crates.io crate zkc 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zkc 0.0.0 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 zkc 0.0.0 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] 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] e66ba47f755b2de21da0171b37b1fa460acac670cceea83dc882e2f88a334eab
[INFO] running `Command { std: "docker" "start" "-a" "e66ba47f755b2de21da0171b37b1fa460acac670cceea83dc882e2f88a334eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66ba47f755b2de21da0171b37b1fa460acac670cceea83dc882e2f88a334eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66ba47f755b2de21da0171b37b1fa460acac670cceea83dc882e2f88a334eab", kill_on_drop: false }`
[INFO] [stdout] e66ba47f755b2de21da0171b37b1fa460acac670cceea83dc882e2f88a334eab
[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] 9613b2046238eb635bda03fcffa1c35feb1e78f37e5b055028876650de39739f
[INFO] running `Command { std: "docker" "start" "-a" "9613b2046238eb635bda03fcffa1c35feb1e78f37e5b055028876650de39739f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.117.2
[INFO] [stderr]    Compiling cranelift-isle v0.117.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.117.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling cranelift-bitset v0.117.2
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]    Compiling cranelift-entity v0.117.2
[INFO] [stderr]    Compiling cranelift-bforest v0.117.2
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling regalloc2 v0.11.1
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.117.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cranelift-control v0.117.2
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v30.0.2
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling peg v0.8.5
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.117.2
[INFO] [stderr]    Compiling cranelift-codegen v0.117.2
[INFO] [stderr]    Compiling cranelift-native v0.117.2
[INFO] [stderr]    Compiling cranelift-frontend v0.117.2
[INFO] [stderr]    Compiling cranelift-module v0.117.2
[INFO] [stderr]    Compiling cranelift-jit v0.117.2
[INFO] [stderr]    Compiling cranelift v0.117.2
[INFO] [stderr]    Compiling zkc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.77s
[INFO] running `Command { std: "docker" "inspect" "9613b2046238eb635bda03fcffa1c35feb1e78f37e5b055028876650de39739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9613b2046238eb635bda03fcffa1c35feb1e78f37e5b055028876650de39739f", kill_on_drop: false }`
[INFO] [stdout] 9613b2046238eb635bda03fcffa1c35feb1e78f37e5b055028876650de39739f
[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] 8dfca9a0b074da18b7828733e49d8649833386c34f006dc180e1724641be651d
[INFO] running `Command { std: "docker" "start" "-a" "8dfca9a0b074da18b7828733e49d8649833386c34f006dc180e1724641be651d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkc v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "8dfca9a0b074da18b7828733e49d8649833386c34f006dc180e1724641be651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfca9a0b074da18b7828733e49d8649833386c34f006dc180e1724641be651d", kill_on_drop: false }`
[INFO] [stdout] 8dfca9a0b074da18b7828733e49d8649833386c34f006dc180e1724641be651d
[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] e99bbcc59ea37bd3c2eefedeb625cf6d5f55b9a2b9f89e810a4da8015c01bbd7
[INFO] running `Command { std: "docker" "start" "-a" "e99bbcc59ea37bd3c2eefedeb625cf6d5f55b9a2b9f89e810a4da8015c01bbd7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zkc-a05ecee8ac4f74af)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/toy.rs (/opt/rustwide/target/debug/deps/toy-dbab80d4355c35c3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zkc
[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] [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" "e99bbcc59ea37bd3c2eefedeb625cf6d5f55b9a2b9f89e810a4da8015c01bbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99bbcc59ea37bd3c2eefedeb625cf6d5f55b9a2b9f89e810a4da8015c01bbd7", kill_on_drop: false }`
[INFO] [stdout] e99bbcc59ea37bd3c2eefedeb625cf6d5f55b9a2b9f89e810a4da8015c01bbd7