[INFO] fetching crate duat 0.1.1...
[INFO] testing duat-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate duat 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate duat 0.1.1 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 0.1.1
[INFO] finished tweaking crates.io crate duat 0.1.1
[INFO] tweaked toml for crates.io crate duat 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate duat 0.1.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-wait v1.1.0
[INFO] [stderr]   Downloaded str_indices v0.4.2
[INFO] [stderr]   Downloaded duat-core v0.1.0
[INFO] [stderr]   Downloaded ropey v1.6.1
[INFO] [stderr]   Downloaded any-rope v1.2.4
[INFO] [stderr]   Downloaded duat-term v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 148f5959d02377ad9df5a2c4fa07cf29e0ee04fe1ba0db5035c9eaddcd37fb49
[INFO] running `Command { std: "docker" "start" "-a" "148f5959d02377ad9df5a2c4fa07cf29e0ee04fe1ba0db5035c9eaddcd37fb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148f5959d02377ad9df5a2c4fa07cf29e0ee04fe1ba0db5035c9eaddcd37fb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148f5959d02377ad9df5a2c4fa07cf29e0ee04fe1ba0db5035c9eaddcd37fb49", kill_on_drop: false }`
[INFO] [stdout] 148f5959d02377ad9df5a2c4fa07cf29e0ee04fe1ba0db5035c9eaddcd37fb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6984fa53cd0eedb754ee63ee084528f6c9aef74bb6d922b864d5871c71b81b9c
[INFO] running `Command { std: "docker" "start" "-a" "6984fa53cd0eedb754ee63ee084528f6c9aef74bb6d922b864d5871c71b81b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling str_indices v0.4.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling any-rope v1.2.4
[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-1.2.4/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ropey v1.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[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" "6984fa53cd0eedb754ee63ee084528f6c9aef74bb6d922b864d5871c71b81b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6984fa53cd0eedb754ee63ee084528f6c9aef74bb6d922b864d5871c71b81b9c", kill_on_drop: false }`
[INFO] [stdout] 6984fa53cd0eedb754ee63ee084528f6c9aef74bb6d922b864d5871c71b81b9c
