[INFO] fetching crate hydroper_jet_compiler 0.2.0...
[INFO] testing hydroper_jet_compiler-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hydroper_jet_compiler 0.2.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hydroper_jet_compiler 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to highest compatible versions
[INFO] [stderr]       Adding num-bigint v0.4.8 (available: v0.5.1)
[INFO] [stderr]       Adding num-derive v0.4.2 (available: v0.5.1)
[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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68
[INFO] running `Command { std: "docker" "start" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.6.2
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling lazy-regex v3.6.2
[INFO] [stderr]    Compiling file_paths v1.0.0
[INFO] [stderr]    Compiling late_format v1.0.0
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling by_address v1.2.1
[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] 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 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: unused dependency `bytes`
[INFO] [stderr]  --> Cargo.toml:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | [dependencies.bytes]
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `bytes`
[INFO] [stderr] warning: unused dependency `file_paths`
[INFO] [stderr]   --> Cargo.toml:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | [dependencies.file_paths]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `file_paths`
[INFO] [stderr] warning: unused dependency `serde_json`
[INFO] [stderr]   --> Cargo.toml:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 | [dependencies.serde_json]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `serde_json`
[INFO] [stderr] warning: `hydroper_jet_compiler` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "inspect" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68", kill_on_drop: false }`
[INFO] [stdout] 658f1a2872d73e58cfc41748b03f8ce609344d1d334a6bebbfebc72e6cecec68
