[INFO] fetching crate roach 0.1.5...
[INFO] testing roach-0.1.5 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate roach 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate roach 0.1.5
[INFO] finished tweaking crates.io crate roach 0.1.5
[INFO] tweaked toml for crates.io crate roach 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roach 0.1.5 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to highest compatible versions
[INFO] [stderr]       Adding redb v1.5.2 (available: v4.3.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding zstd v0.13.3 (available: v0.14.0)
[INFO] [stderr]       Adding zstd-safe v7.3.0 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp v0.8.15
[INFO] [stderr]   Downloaded mutability_marker v0.1.2
[INFO] [stderr]   Downloaded rmp-serde v1.3.1
[INFO] [stderr]   Downloaded wasm_sync v0.1.2
[INFO] [stderr]   Downloaded redb v1.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb
[INFO] running `Command { std: "docker" "start" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling redb v1.5.2
[INFO] [stderr]    Compiling wasm_sync v0.1.2
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling mutability_marker v0.1.2
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling roach v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(ascii_char)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | #![feature(const_mut_refs)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(stable_features)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_intrinsic_copy` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_intrinsic_copy)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_option)]
[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 `roach` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb", kill_on_drop: false }`
[INFO] [stdout] f1220b5e29f728c69aae68a3e257bcfe8ac6f76dbe90751e5a68e0ee3f296fbb
