[INFO] fetching crate seeed-lora-e5-at-commands 0.1.0...
[INFO] testing seeed-lora-e5-at-commands-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate seeed-lora-e5-at-commands 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate seeed-lora-e5-at-commands 0.1.0
[INFO] finished tweaking crates.io crate seeed-lora-e5-at-commands 0.1.0
[INFO] tweaked toml for crates.io crate seeed-lora-e5-at-commands 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate seeed-lora-e5-at-commands 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding atat v0.22.0 (available: v0.24.1)
[INFO] [stderr]       Adding atat_derive v0.22.0 (available: v0.24.1)
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding embassy-sync v0.5.0 (available: v0.7.2)
[INFO] [stderr]       Adding embedded-io v0.6.1 (available: v0.7.1)
[INFO] [stderr]       Adding embedded-io-async v0.6.1 (available: v0.7.0)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] [stderr]       Adding heapless-bytes v0.3.0 (available: v0.5.0)
[INFO] [stderr]       Adding serde_at v0.22.0 (available: v0.24.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heapless-bytes v0.3.0
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded atat v0.22.0
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded embassy-time-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-sync v0.5.0
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded embassy-time-queue-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-time v0.3.2
[INFO] [stderr]   Downloaded serde_at v0.22.0
[INFO] [stderr]   Downloaded atat_derive v0.22.0
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72475c2660b14da7f4ba50554f9b7b5e35fbdeef8b88e134403f12ed34396f50
[INFO] running `Command { std: "docker" "start" "-a" "72475c2660b14da7f4ba50554f9b7b5e35fbdeef8b88e134403f12ed34396f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72475c2660b14da7f4ba50554f9b7b5e35fbdeef8b88e134403f12ed34396f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72475c2660b14da7f4ba50554f9b7b5e35fbdeef8b88e134403f12ed34396f50", kill_on_drop: false }`
[INFO] [stdout] 72475c2660b14da7f4ba50554f9b7b5e35fbdeef8b88e134403f12ed34396f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c62da564414b475b8a44216bb4e11fd6f550887ef9d86737c5dc687249a683
[INFO] running `Command { std: "docker" "start" "-a" "c7c62da564414b475b8a44216bb4e11fd6f550887ef9d86737c5dc687249a683", kill_on_drop: false }`
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embassy-sync v0.5.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling serde_at v0.22.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling heapless-bytes v0.3.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling atat_derive v0.22.0
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]    Compiling defmt v0.3.100
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling embassy-time v0.3.2
[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-1949cf8c6b5b557f/serde_at-0.22.0/src/lib.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(feature = "hex_str_arrays", feature(generic_const_exprs))]
[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 `serde_at` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c7c62da564414b475b8a44216bb4e11fd6f550887ef9d86737c5dc687249a683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c62da564414b475b8a44216bb4e11fd6f550887ef9d86737c5dc687249a683", kill_on_drop: false }`
[INFO] [stdout] c7c62da564414b475b8a44216bb4e11fd6f550887ef9d86737c5dc687249a683