[INFO] fetching crate runtime-attributes 0.3.0-alpha.6...
[INFO] testing runtime-attributes-0.3.0-alpha.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate runtime-attributes 0.3.0-alpha.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate runtime-attributes 0.3.0-alpha.6
[INFO] finished tweaking crates.io crate runtime-attributes 0.3.0-alpha.6
[INFO] tweaked toml for crates.io crate runtime-attributes 0.3.0-alpha.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate runtime-attributes 0.3.0-alpha.6 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 18 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2191b19d02c11197786f4243b25406248f3a31ecda174facf74e4f20118bee
[INFO] running `Command { std: "docker" "start" "-a" "5b2191b19d02c11197786f4243b25406248f3a31ecda174facf74e4f20118bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2191b19d02c11197786f4243b25406248f3a31ecda174facf74e4f20118bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2191b19d02c11197786f4243b25406248f3a31ecda174facf74e4f20118bee", kill_on_drop: false }`
[INFO] [stdout] 5b2191b19d02c11197786f4243b25406248f3a31ecda174facf74e4f20118bee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d80c3bd022fd831c0e23186cd21afb6ed8b90a4b02255f7b0db06bd091e8759
[INFO] running `Command { std: "docker" "start" "-a" "7d80c3bd022fd831c0e23186cd21afb6ed8b90a4b02255f7b0db06bd091e8759", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate proc_macro;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 8 - extern crate proc_macro;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "7d80c3bd022fd831c0e23186cd21afb6ed8b90a4b02255f7b0db06bd091e8759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d80c3bd022fd831c0e23186cd21afb6ed8b90a4b02255f7b0db06bd091e8759", kill_on_drop: false }`
[INFO] [stdout] 7d80c3bd022fd831c0e23186cd21afb6ed8b90a4b02255f7b0db06bd091e8759
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b2ceba5b310665d8bef3fa132626a89bd73d95b74622f4d00ee4a4015936ed3
[INFO] running `Command { std: "docker" "start" "-a" "4b2ceba5b310665d8bef3fa132626a89bd73d95b74622f4d00ee4a4015936ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate proc_macro;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 8 - extern crate proc_macro;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling runtime-raw v0.3.0-alpha.5
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate proc_macro;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 8 - extern crate proc_macro;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "4b2ceba5b310665d8bef3fa132626a89bd73d95b74622f4d00ee4a4015936ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2ceba5b310665d8bef3fa132626a89bd73d95b74622f4d00ee4a4015936ed3", kill_on_drop: false }`
[INFO] [stdout] 4b2ceba5b310665d8bef3fa132626a89bd73d95b74622f4d00ee4a4015936ed3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c9f52baf3233da39672048d1eb5c24ec345bc7cd3baa00590474e95a54792c5
[INFO] running `Command { std: "docker" "start" "-a" "4c9f52baf3233da39672048d1eb5c24ec345bc7cd3baa00590474e95a54792c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | extern crate proc_macro;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![forbid(unsafe_code, future_incompatible, rust_2018_idioms)]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] help: remove the unused `extern crate`
[INFO] [stderr]   |
[INFO] [stderr] 8 - extern crate proc_macro;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `runtime-attributes` (lib) generated 1 warning (run `cargo fix --lib -p runtime-attributes` to apply 1 suggestion)
[INFO] [stderr] warning: `runtime-attributes` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/runtime_attributes-a4e3575476b2cd2c)
[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 runtime_attributes
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - bench (line 130) ... ignored
[INFO] [stdout] test src/lib.rs - main (line 18) ... ignored
[INFO] [stdout] test src/lib.rs - test (line 81) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c9f52baf3233da39672048d1eb5c24ec345bc7cd3baa00590474e95a54792c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9f52baf3233da39672048d1eb5c24ec345bc7cd3baa00590474e95a54792c5", kill_on_drop: false }`
[INFO] [stdout] 4c9f52baf3233da39672048d1eb5c24ec345bc7cd3baa00590474e95a54792c5
