[INFO] fetching crate duat-core 0.1.0...
[INFO] testing duat-core-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate duat-core 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate duat-core 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duat-core 0.1.0
[INFO] finished tweaking crates.io crate duat-core 0.1.0
[INFO] tweaked toml for crates.io crate duat-core 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ropey v1.6.1
[INFO] [stderr]   Downloaded str_indices v0.4.3
[INFO] [stderr]   Downloaded any-rope v1.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6d08ba6e8a5fca820555895d816dd484b59cb81124f8b89d50ed92ff2768e6
[INFO] running `Command { std: "docker" "start" "-a" "7c6d08ba6e8a5fca820555895d816dd484b59cb81124f8b89d50ed92ff2768e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6d08ba6e8a5fca820555895d816dd484b59cb81124f8b89d50ed92ff2768e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6d08ba6e8a5fca820555895d816dd484b59cb81124f8b89d50ed92ff2768e6", kill_on_drop: false }`
[INFO] [stdout] 7c6d08ba6e8a5fca820555895d816dd484b59cb81124f8b89d50ed92ff2768e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e3c4f93c3b186c40ef476b65aa4963c30e8e057c1b9bf0d09dbf791ff4a92be
[INFO] running `Command { std: "docker" "start" "-a" "4e3c4f93c3b186c40ef476b65aa4963c30e8e057c1b9bf0d09dbf791ff4a92be", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling str_indices v0.4.3
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling any-rope v1.2.5
[INFO] [stderr]    Compiling ropey v1.6.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/any-rope-1.2.5/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `any-rope` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e3c4f93c3b186c40ef476b65aa4963c30e8e057c1b9bf0d09dbf791ff4a92be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3c4f93c3b186c40ef476b65aa4963c30e8e057c1b9bf0d09dbf791ff4a92be", kill_on_drop: false }`
[INFO] [stdout] 4e3c4f93c3b186c40ef476b65aa4963c30e8e057c1b9bf0d09dbf791ff4a92be
