[INFO] fetching crate swipl-macros 0.3.8...
[INFO] testing swipl-macros-0.3.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate swipl-macros 0.3.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate swipl-macros 0.3.8
[INFO] finished tweaking crates.io crate swipl-macros 0.3.8
[INFO] tweaked toml for crates.io crate swipl-macros 0.3.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swipl-macros 0.3.8 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce9de43dba9b276b0486f0568759f2951cd1bf9d999e5eb763463456d31efd8
[INFO] running `Command { std: "docker" "start" "-a" "7ce9de43dba9b276b0486f0568759f2951cd1bf9d999e5eb763463456d31efd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce9de43dba9b276b0486f0568759f2951cd1bf9d999e5eb763463456d31efd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce9de43dba9b276b0486f0568759f2951cd1bf9d999e5eb763463456d31efd8", kill_on_drop: false }`
[INFO] [stdout] 7ce9de43dba9b276b0486f0568759f2951cd1bf9d999e5eb763463456d31efd8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db88ae60199c79cef5fdb94709d79d1b7f50d3e7950a88dcb477cc371ab765a1
[INFO] running `Command { std: "docker" "start" "-a" "db88ae60199c79cef5fdb94709d79d1b7f50d3e7950a88dcb477cc371ab765a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling swipl-macros v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `generate_frontend` is never used
[INFO] [stdout]   --> src/predicate.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | trait ForeignPredicateDefinitionImpl {
[INFO] [stdout]    |       ------------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn generate_frontend(&self) -> TokenStream;
[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 6.41s
[INFO] running `Command { std: "docker" "inspect" "db88ae60199c79cef5fdb94709d79d1b7f50d3e7950a88dcb477cc371ab765a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db88ae60199c79cef5fdb94709d79d1b7f50d3e7950a88dcb477cc371ab765a1", kill_on_drop: false }`
[INFO] [stdout] db88ae60199c79cef5fdb94709d79d1b7f50d3e7950a88dcb477cc371ab765a1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2c3e746c7279434d834a0c9e6ada491c8e018f2e8a3674086779fd2d76df353
[INFO] running `Command { std: "docker" "start" "-a" "b2c3e746c7279434d834a0c9e6ada491c8e018f2e8a3674086779fd2d76df353", kill_on_drop: false }`
[INFO] [stderr]    Compiling swipl-macros v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `generate_frontend` is never used
[INFO] [stdout]   --> src/predicate.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | trait ForeignPredicateDefinitionImpl {
[INFO] [stdout]    |       ------------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn generate_frontend(&self) -> TokenStream;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_frontend` is never used
[INFO] [stdout]   --> src/predicate.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | trait ForeignPredicateDefinitionImpl {
[INFO] [stdout]    |       ------------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn generate_frontend(&self) -> TokenStream;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "b2c3e746c7279434d834a0c9e6ada491c8e018f2e8a3674086779fd2d76df353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c3e746c7279434d834a0c9e6ada491c8e018f2e8a3674086779fd2d76df353", kill_on_drop: false }`
[INFO] [stdout] b2c3e746c7279434d834a0c9e6ada491c8e018f2e8a3674086779fd2d76df353
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2df5a9f80f3776b8a240996076ac27ff84da501309b6b3ce29185edc139ec7ca
[INFO] running `Command { std: "docker" "start" "-a" "2df5a9f80f3776b8a240996076ac27ff84da501309b6b3ce29185edc139ec7ca", kill_on_drop: false }`
[INFO] [stderr] warning: method `generate_frontend` is never used
[INFO] [stderr]   --> src/predicate.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | trait ForeignPredicateDefinitionImpl {
[INFO] [stderr]    |       ------------------------------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 87 |     fn generate_frontend(&self) -> TokenStream;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swipl-macros` (lib) generated 1 warning
[INFO] [stderr] warning: `swipl-macros` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swipl_macros-3181dd3413028488)
[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] [stderr]    Doc-tests swipl_macros
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - pred (line 63) ... ignored
[INFO] [stdout] test src/lib.rs - pred (line 67) ... ignored
[INFO] [stdout] test src/lib.rs - predicates (line 116) ... ignored
[INFO] [stdout] test src/lib.rs - predicates (line 146) ... ignored
[INFO] [stdout] test src/lib.rs - predicates (line 196) ... ignored
[INFO] [stdout] test src/lib.rs - prolog (line 38) ... ignored
[INFO] [stdout] test src/lib.rs - term (line 249) ... ignored
[INFO] [stdout] test src/lib.rs - term (line 254) ... ignored
[INFO] [stdout] test src/lib.rs - term (line 260) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2df5a9f80f3776b8a240996076ac27ff84da501309b6b3ce29185edc139ec7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df5a9f80f3776b8a240996076ac27ff84da501309b6b3ce29185edc139ec7ca", kill_on_drop: false }`
[INFO] [stdout] 2df5a9f80f3776b8a240996076ac27ff84da501309b6b3ce29185edc139ec7ca
