[INFO] fetching crate hoars 0.2.0...
[INFO] testing hoars-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hoars 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate hoars 0.2.0
[INFO] finished tweaking crates.io crate hoars 0.2.0
[INFO] tweaked toml for crates.io crate hoars 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hoars 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding ariadne v0.4.1 (available: v0.5.1)
[INFO] [stderr]       Adding biodivine-lib-bdd v0.5.27 (available: v0.6.2)
[INFO] [stderr]       Adding chumsky v0.9.3 (available: v0.11.1)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[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] 26e474dca780594fdd9aebb408ba65d63b3e7df27aab86481c2be2a8278ccaa4
[INFO] running `Command { std: "docker" "start" "-a" "26e474dca780594fdd9aebb408ba65d63b3e7df27aab86481c2be2a8278ccaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e474dca780594fdd9aebb408ba65d63b3e7df27aab86481c2be2a8278ccaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e474dca780594fdd9aebb408ba65d63b3e7df27aab86481c2be2a8278ccaa4", kill_on_drop: false }`
[INFO] [stdout] 26e474dca780594fdd9aebb408ba65d63b3e7df27aab86481c2be2a8278ccaa4
[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] 6c5d667da2d5b0eeb6fe86f3760dc8c82d290a97d64b04922bb87ff25cc98e05
[INFO] running `Command { std: "docker" "start" "-a" "6c5d667da2d5b0eeb6fe86f3760dc8c82d290a97d64b04922bb87ff25cc98e05", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling ariadne v0.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chumsky v0.9.3
[INFO] [stderr]    Compiling biodivine-lib-bdd v0.5.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling hoars v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Alphabet` is never constructed
[INFO] [stdout]   --> src/body.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Alphabet(pub Vec<AtomicProposition>);
[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 17.10s
[INFO] running `Command { std: "docker" "inspect" "6c5d667da2d5b0eeb6fe86f3760dc8c82d290a97d64b04922bb87ff25cc98e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5d667da2d5b0eeb6fe86f3760dc8c82d290a97d64b04922bb87ff25cc98e05", kill_on_drop: false }`
[INFO] [stdout] 6c5d667da2d5b0eeb6fe86f3760dc8c82d290a97d64b04922bb87ff25cc98e05
[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] 6d38fe7b272a02401c44da020d272766948d25d9cd861beec771f2105b25e393
[INFO] running `Command { std: "docker" "start" "-a" "6d38fe7b272a02401c44da020d272766948d25d9cd861beec771f2105b25e393", kill_on_drop: false }`
[INFO] [stderr]    Compiling hoars v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Alphabet` is never constructed
[INFO] [stdout]   --> src/body.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Alphabet(pub Vec<AtomicProposition>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::ALPHABET`, `crate::VARS`
[INFO] [stdout]    --> src/body.rs:245:55
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use crate::{lexer, Edge, Label, StateConjunction, ALPHABET, VARS};
[INFO] [stdout]     |                                                       ^^^^^^^^  ^^^^ no `VARS` in the root
[INFO] [stdout]     |                                                       |
[INFO] [stdout]     |                                                       no `ALPHABET` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::ALPHABET`, `crate::VARS`
[INFO] [stdout]    --> src/lib.rs:537:48
[INFO] [stdout]     |
[INFO] [stdout] 537 |         HoaAutomaton, Label, StateConjunction, ALPHABET, VARS,
[INFO] [stdout]     |                                                ^^^^^^^^  ^^^^ no `VARS` in the root
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                no `ALPHABET` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hoars` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d38fe7b272a02401c44da020d272766948d25d9cd861beec771f2105b25e393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d38fe7b272a02401c44da020d272766948d25d9cd861beec771f2105b25e393", kill_on_drop: false }`
[INFO] [stdout] 6d38fe7b272a02401c44da020d272766948d25d9cd861beec771f2105b25e393