[INFO] fetching crate nsys-curses-utils 0.1.0...
[INFO] testing nsys-curses-utils-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nsys-curses-utils 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate nsys-curses-utils 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nsys-curses-utils 0.1.0
[INFO] tweaked toml for crates.io crate nsys-curses-utils 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nsys-curses-utils 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nsys-curses-utils 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 092fb3b052b95d1a643f62674c4bf02361dca5570d36ac69682cceb65b5771f0
[INFO] running `Command { std: "docker" "start" "-a" "092fb3b052b95d1a643f62674c4bf02361dca5570d36ac69682cceb65b5771f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "092fb3b052b95d1a643f62674c4bf02361dca5570d36ac69682cceb65b5771f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092fb3b052b95d1a643f62674c4bf02361dca5570d36ac69682cceb65b5771f0", kill_on_drop: false }`
[INFO] [stdout] 092fb3b052b95d1a643f62674c4bf02361dca5570d36ac69682cceb65b5771f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55f8e076c69c801dfbe4cdd75c550aadb2f936ce8d59a9df3dcad41adeab377
[INFO] running `Command { std: "docker" "start" "-a" "b55f8e076c69c801dfbe4cdd75c550aadb2f936ce8d59a9df3dcad41adeab377", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nsys-mat v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling bmp v0.5.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling pancurses v0.17.0
[INFO] [stderr]    Compiling easycurses-bump v0.13.2
[INFO] [stderr]    Compiling nsys-curses-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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 `nsys-curses-utils` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b55f8e076c69c801dfbe4cdd75c550aadb2f936ce8d59a9df3dcad41adeab377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f8e076c69c801dfbe4cdd75c550aadb2f936ce8d59a9df3dcad41adeab377", kill_on_drop: false }`
[INFO] [stdout] b55f8e076c69c801dfbe4cdd75c550aadb2f936ce8d59a9df3dcad41adeab377