[INFO] fetching crate static-linkedlist 0.1.2...
[INFO] testing static-linkedlist-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate static-linkedlist 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate static-linkedlist 0.1.2
[INFO] finished tweaking crates.io crate static-linkedlist 0.1.2
[INFO] tweaked toml for crates.io crate static-linkedlist 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate static-linkedlist 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] faf36504cfe482f1b307260e8167305bdac500c17594117bc2e050697443d18c
[INFO] running `Command { std: "docker" "start" "-a" "faf36504cfe482f1b307260e8167305bdac500c17594117bc2e050697443d18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf36504cfe482f1b307260e8167305bdac500c17594117bc2e050697443d18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf36504cfe482f1b307260e8167305bdac500c17594117bc2e050697443d18c", kill_on_drop: false }`
[INFO] [stdout] faf36504cfe482f1b307260e8167305bdac500c17594117bc2e050697443d18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a0b5e76ddb164350e8bd9f699ec0676e0a0e9b0f4cb8ca98f26df2a49be9f99d
[INFO] running `Command { std: "docker" "start" "-a" "a0b5e76ddb164350e8bd9f699ec0676e0a0e9b0f4cb8ca98f26df2a49be9f99d", kill_on_drop: false }`
[INFO] [stderr]    Compiling static-linkedlist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `static-linkedlist` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a0b5e76ddb164350e8bd9f699ec0676e0a0e9b0f4cb8ca98f26df2a49be9f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b5e76ddb164350e8bd9f699ec0676e0a0e9b0f4cb8ca98f26df2a49be9f99d", kill_on_drop: false }`
[INFO] [stdout] a0b5e76ddb164350e8bd9f699ec0676e0a0e9b0f4cb8ca98f26df2a49be9f99d