[INFO] fetching crate hydroper_jet_compiler 0.2.0...
[INFO] testing hydroper_jet_compiler-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hydroper_jet_compiler 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate hydroper_jet_compiler 0.2.0
[INFO] finished tweaking crates.io crate hydroper_jet_compiler 0.2.0
[INFO] tweaked toml for crates.io crate hydroper_jet_compiler 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hydroper_jet_compiler 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]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-general-category v0.6.0 (available: v1.1.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7b1e21650949c920076b65ad3651ac2a67224ef0face9e1aac691a6210781e13
[INFO] running `Command { std: "docker" "start" "-a" "7b1e21650949c920076b65ad3651ac2a67224ef0face9e1aac691a6210781e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1e21650949c920076b65ad3651ac2a67224ef0face9e1aac691a6210781e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1e21650949c920076b65ad3651ac2a67224ef0face9e1aac691a6210781e13", kill_on_drop: false }`
[INFO] [stdout] 7b1e21650949c920076b65ad3651ac2a67224ef0face9e1aac691a6210781e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 98a9808019a77a6915718bef88a6121056929e9e6785353a694c73410aceb3b2
[INFO] running `Command { std: "docker" "start" "-a" "98a9808019a77a6915718bef88a6121056929e9e6785353a694c73410aceb3b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.4.1
[INFO] [stderr]    Compiling lazy-regex v3.4.1
[INFO] [stderr]    Compiling file_paths v1.0.0
[INFO] [stderr]    Compiling late_format v1.0.0
[INFO] [stderr]    Compiling hydroper_jet_compiler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `programs`
[INFO] [stdout]   --> verifier.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn verify_programs(&mut self, programs: Vec<Rc<Program>>) {
[INFO] [stdout]    |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> verifier.rs:83:41
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn verify_expression(&mut self, expression: &Rc<Expression>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hydroper_jet_compiler` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "98a9808019a77a6915718bef88a6121056929e9e6785353a694c73410aceb3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a9808019a77a6915718bef88a6121056929e9e6785353a694c73410aceb3b2", kill_on_drop: false }`
[INFO] [stdout] 98a9808019a77a6915718bef88a6121056929e9e6785353a694c73410aceb3b2