[INFO] fetching crate delanocreds 0.2.1...
[INFO] testing delanocreds-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate delanocreds 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate delanocreds 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate delanocreds 0.2.1
[INFO] tweaked toml for crates.io crate delanocreds 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate delanocreds 0.2.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 121 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding secrecy v0.8.0 (available: v0.10.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 01c756ec23cfe6a2d5695ce1fbc1b2ce39d71ef06a85fc5b4fb7c447a08a36f2
[INFO] running `Command { std: "docker" "start" "-a" "01c756ec23cfe6a2d5695ce1fbc1b2ce39d71ef06a85fc5b4fb7c447a08a36f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c756ec23cfe6a2d5695ce1fbc1b2ce39d71ef06a85fc5b4fb7c447a08a36f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c756ec23cfe6a2d5695ce1fbc1b2ce39d71ef06a85fc5b4fb7c447a08a36f2", kill_on_drop: false }`
[INFO] [stdout] 01c756ec23cfe6a2d5695ce1fbc1b2ce39d71ef06a85fc5b4fb7c447a08a36f2
[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] 74b1b90c05da789d9357ea65d2d3bd863d1d1a1a1892b3bedbd52c02eb95d0a8
[INFO] running `Command { std: "docker" "start" "-a" "74b1b90c05da789d9357ea65d2d3bd863d1d1a1a1892b3bedbd52c02eb95d0a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling const-str v0.4.3
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling data-encoding-macro v0.1.18
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling match-lookup v0.1.1
[INFO] [stderr]    Compiling base256emoji v1.0.2
[INFO] [stderr]    Compiling multibase v0.9.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling multihash v0.19.3
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling cid v0.11.1
[INFO] [stderr]    Compiling bls12_381_plus v0.8.18
[INFO] [stderr]    Compiling blastkids v0.2.0
[INFO] [stderr]    Compiling delano-keys v0.1.1
[INFO] [stderr]    Compiling delanocreds v0.2.1 (/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(cfg_eval)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/ec/univarpoly.rs:403:22
[INFO] [stdout]     |
[INFO] [stdout] 403 |             .map(|i| (self[i] * b[i]))
[INFO] [stdout]     |                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 403 -             .map(|i| (self[i] * b[i]))
[INFO] [stdout] 403 +             .map(|i| self[i] * b[i])
[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 `delanocreds` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "74b1b90c05da789d9357ea65d2d3bd863d1d1a1a1892b3bedbd52c02eb95d0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b1b90c05da789d9357ea65d2d3bd863d1d1a1a1892b3bedbd52c02eb95d0a8", kill_on_drop: false }`
[INFO] [stdout] 74b1b90c05da789d9357ea65d2d3bd863d1d1a1a1892b3bedbd52c02eb95d0a8