[INFO] fetching crate unicode_names2_macros 1.1.0...
[INFO] testing unicode_names2_macros-1.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unicode_names2_macros 1.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate unicode_names2_macros 1.1.0
[INFO] finished tweaking crates.io crate unicode_names2_macros 1.1.0
[INFO] tweaked toml for crates.io crate unicode_names2_macros 1.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicode_names2_macros 1.1.0 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 29 packages to latest compatible versions
[INFO] [stderr]       Adding unicode_names2 v1.3.0 (available: v2.0.0)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 076f1d2eaabb317bb829d9150e5dbd4867f2b877eb565dc6a9996aa02cbb3ea3
[INFO] running `Command { std: "docker" "start" "-a" "076f1d2eaabb317bb829d9150e5dbd4867f2b877eb565dc6a9996aa02cbb3ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076f1d2eaabb317bb829d9150e5dbd4867f2b877eb565dc6a9996aa02cbb3ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076f1d2eaabb317bb829d9150e5dbd4867f2b877eb565dc6a9996aa02cbb3ea3", kill_on_drop: false }`
[INFO] [stdout] 076f1d2eaabb317bb829d9150e5dbd4867f2b877eb565dc6a9996aa02cbb3ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 18fcd115f43a3fad10746eb3fd2ba18dbb0a50de36f4aa24c0730e787dff7cac
[INFO] running `Command { std: "docker" "start" "-a" "18fcd115f43a3fad10746eb3fd2ba18dbb0a50de36f4aa24c0730e787dff7cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling unicode_names2_generator v1.3.0
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling unicode_names2_macros v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.57s
[INFO] running `Command { std: "docker" "inspect" "18fcd115f43a3fad10746eb3fd2ba18dbb0a50de36f4aa24c0730e787dff7cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fcd115f43a3fad10746eb3fd2ba18dbb0a50de36f4aa24c0730e787dff7cac", kill_on_drop: false }`
[INFO] [stdout] 18fcd115f43a3fad10746eb3fd2ba18dbb0a50de36f4aa24c0730e787dff7cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fa83bfb6274a06ba3affd8233656aa03451efc9d2411edc2c6869d5e7fcd4848
[INFO] running `Command { std: "docker" "start" "-a" "fa83bfb6274a06ba3affd8233656aa03451efc9d2411edc2c6869d5e7fcd4848", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling unicode_names2_generator v1.3.0
[INFO] [stderr]    Compiling unicode_names2 v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling unicode_names2_macros v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode_names2_macros` (test "test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fa83bfb6274a06ba3affd8233656aa03451efc9d2411edc2c6869d5e7fcd4848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa83bfb6274a06ba3affd8233656aa03451efc9d2411edc2c6869d5e7fcd4848", kill_on_drop: false }`
[INFO] [stdout] fa83bfb6274a06ba3affd8233656aa03451efc9d2411edc2c6869d5e7fcd4848
