[INFO] fetching crate seeed-lora-e5-at-commands 0.1.0...
[INFO] checking seeed-lora-e5-at-commands-0.1.0 against 1.95.0 for pr-155915
[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 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 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: v0.8.0)
[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: v0.9.3)
[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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atat_derive v0.22.0
[INFO] [stderr]   Downloaded serde_at v0.22.0
[INFO] [stderr]   Downloaded atat v0.22.0
[INFO] [stderr]   Downloaded heapless-bytes v0.3.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 280c7833a0ac1303c65097a19fc39790f4e8c548f1f59a850cd438439b399273
[INFO] running `Command { std: "docker" "start" "-a" "280c7833a0ac1303c65097a19fc39790f4e8c548f1f59a850cd438439b399273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "280c7833a0ac1303c65097a19fc39790f4e8c548f1f59a850cd438439b399273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280c7833a0ac1303c65097a19fc39790f4e8c548f1f59a850cd438439b399273", kill_on_drop: false }`
[INFO] [stdout] 280c7833a0ac1303c65097a19fc39790f4e8c548f1f59a850cd438439b399273
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef071a1791e56cb10b8b4c803085c8c33cac71b4c7a7677c1046195f00f3889d
[INFO] running `Command { std: "docker" "start" "-a" "ef071a1791e56cb10b8b4c803085c8c33cac71b4c7a7677c1046195f00f3889d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling embassy-sync v0.5.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking heapless-bytes v0.3.0
[INFO] [stderr]     Checking serde_at v0.22.0
[INFO] [stderr]     Checking 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef071a1791e56cb10b8b4c803085c8c33cac71b4c7a7677c1046195f00f3889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef071a1791e56cb10b8b4c803085c8c33cac71b4c7a7677c1046195f00f3889d", kill_on_drop: false }`
[INFO] [stdout] ef071a1791e56cb10b8b4c803085c8c33cac71b4c7a7677c1046195f00f3889d