[INFO] fetching crate pinenut-log 0.0.2...
[INFO] testing pinenut-log-0.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pinenut-log 0.0.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pinenut-log 0.0.2
[INFO] finished tweaking crates.io crate pinenut-log 0.0.2
[INFO] tweaked toml for crates.io crate pinenut-log 0.0.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pinenut-log 0.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 114 packages to latest compatible versions
[INFO] [stderr]       Adding aes v0.8.4 (available: v0.9.0)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding cipher v0.4.4 (available: v0.5.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13fc16a3ad6634e33d0158d00cbddfc446922d5eeb4359490f1bb4e7cb854901
[INFO] running `Command { std: "docker" "start" "-a" "13fc16a3ad6634e33d0158d00cbddfc446922d5eeb4359490f1bb4e7cb854901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fc16a3ad6634e33d0158d00cbddfc446922d5eeb4359490f1bb4e7cb854901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fc16a3ad6634e33d0158d00cbddfc446922d5eeb4359490f1bb4e7cb854901", kill_on_drop: false }`
[INFO] [stdout] 13fc16a3ad6634e33d0158d00cbddfc446922d5eeb4359490f1bb4e7cb854901
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5528722f51cdb6f72648b1ac11f0984096081b3c32ad96999530a77e5cbaba2e
[INFO] running `Command { std: "docker" "start" "-a" "5528722f51cdb6f72648b1ac11f0984096081b3c32ad96999530a77e5cbaba2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling pinenut-derive v0.0.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling p256 v0.13.2
[INFO] [stderr]    Compiling pinenut-log v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/runloop.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             while !context.is_stopped() && let Ok(event) = receiver.recv() {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/logfile.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             if to_write && let Some(parent_path) = path.parent() {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![feature(trait_alias)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | #![feature(let_chains)]
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `option_take_if` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | #![feature(option_take_if)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | #![feature(result_option_inspect)]
[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 `pinenut-log` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5528722f51cdb6f72648b1ac11f0984096081b3c32ad96999530a77e5cbaba2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5528722f51cdb6f72648b1ac11f0984096081b3c32ad96999530a77e5cbaba2e", kill_on_drop: false }`
[INFO] [stdout] 5528722f51cdb6f72648b1ac11f0984096081b3c32ad96999530a77e5cbaba2e
