[INFO] fetching crate const_guards_attribute 0.1.3...
[INFO] testing const_guards_attribute-0.1.3 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate const_guards_attribute 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate const_guards_attribute 0.1.3
[INFO] finished tweaking crates.io crate const_guards_attribute 0.1.3
[INFO] tweaked toml for crates.io crate const_guards_attribute 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate const_guards_attribute 0.1.3 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.114)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b65eb9276491f9cfd65bad8dcca6480e0a912015d93e89269dafd184d374668
[INFO] running `Command { std: "docker" "start" "-a" "0b65eb9276491f9cfd65bad8dcca6480e0a912015d93e89269dafd184d374668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b65eb9276491f9cfd65bad8dcca6480e0a912015d93e89269dafd184d374668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b65eb9276491f9cfd65bad8dcca6480e0a912015d93e89269dafd184d374668", kill_on_drop: false }`
[INFO] [stdout] 0b65eb9276491f9cfd65bad8dcca6480e0a912015d93e89269dafd184d374668
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a5bce79d93054348e21c77e19ec338fca0d26fd6c757289262bf472ebe72ef
[INFO] running `Command { std: "docker" "start" "-a" "05a5bce79d93054348e21c77e19ec338fca0d26fd6c757289262bf472ebe72ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling const_guards_attribute v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "05a5bce79d93054348e21c77e19ec338fca0d26fd6c757289262bf472ebe72ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a5bce79d93054348e21c77e19ec338fca0d26fd6c757289262bf472ebe72ef", kill_on_drop: false }`
[INFO] [stdout] 05a5bce79d93054348e21c77e19ec338fca0d26fd6c757289262bf472ebe72ef
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5b426dc1ac1d6f0e148d2b3da90771a5431a9bb2ad18e7d9dacb9961991135
[INFO] running `Command { std: "docker" "start" "-a" "ca5b426dc1ac1d6f0e148d2b3da90771a5431a9bb2ad18e7d9dacb9961991135", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_guards_attribute v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ca5b426dc1ac1d6f0e148d2b3da90771a5431a9bb2ad18e7d9dacb9961991135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5b426dc1ac1d6f0e148d2b3da90771a5431a9bb2ad18e7d9dacb9961991135", kill_on_drop: false }`
[INFO] [stdout] ca5b426dc1ac1d6f0e148d2b3da90771a5431a9bb2ad18e7d9dacb9961991135
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ced9bd279c05ce5ce0d95aba8aff8ac7b76b2fb12dab6bc1e47015563f19560
[INFO] running `Command { std: "docker" "start" "-a" "1ced9bd279c05ce5ce0d95aba8aff8ac7b76b2fb12dab6bc1e47015563f19560", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/const_guards_attribute-181ddeff3e991428)
[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 const_guards_attribute
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - guard (line 65) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - guard (line 52) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - guard (line 65) stdout ----
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |        _f_guard::<N>()
[INFO] [stdout]    |                   ^ cannot perform const operation using `N`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments here, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]   --> src/lib.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |        _f_guard::<N>()
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]    |
[INFO] [stdout] 83 |        _f_guard::<{ N }>()
[INFO] [stdout]    |                   +   +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0747`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - guard (line 52) stdout ----
[INFO] [stdout] error: cannot find attribute `guard` in this scope
[INFO] [stdout]   --> src/lib.rs:57:3
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[guard(N > 0)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 53 + use const_guards_attribute::guard;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - guard (line 52)
[INFO] [stdout]     src/lib.rs - guard (line 65)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1ced9bd279c05ce5ce0d95aba8aff8ac7b76b2fb12dab6bc1e47015563f19560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ced9bd279c05ce5ce0d95aba8aff8ac7b76b2fb12dab6bc1e47015563f19560", kill_on_drop: false }`
[INFO] [stdout] 1ced9bd279c05ce5ce0d95aba8aff8ac7b76b2fb12dab6bc1e47015563f19560
