[INFO] fetching crate losant-mqtt-esp-idf 0.1.0...
[INFO] testing losant-mqtt-esp-idf-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate losant-mqtt-esp-idf 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate losant-mqtt-esp-idf 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate losant-mqtt-esp-idf 0.1.0
[INFO] tweaked toml for crates.io crate losant-mqtt-esp-idf 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate losant-mqtt-esp-idf 0.1.0 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] crate crates.io crate losant-mqtt-esp-idf 0.1.0 already has a lockfile, it will not be regenerated
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d7d912243f5aed47fef1cb2a4cbaf44f9fafb3d2f693ba0f82b08b5e98257211
[INFO] running `Command { std: "docker" "start" "-a" "d7d912243f5aed47fef1cb2a4cbaf44f9fafb3d2f693ba0f82b08b5e98257211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d912243f5aed47fef1cb2a4cbaf44f9fafb3d2f693ba0f82b08b5e98257211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d912243f5aed47fef1cb2a4cbaf44f9fafb3d2f693ba0f82b08b5e98257211", kill_on_drop: false }`
[INFO] [stdout] d7d912243f5aed47fef1cb2a4cbaf44f9fafb3d2f693ba0f82b08b5e98257211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e35f94a35f6ce0582513bbae38e0e3046ea53ce61b631e987158606009382ae4
[INFO] running `Command { std: "docker" "start" "-a" "e35f94a35f6ce0582513bbae38e0e3046ea53ce61b631e987158606009382ae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling cvt v0.1.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling fs_at v0.1.5
[INFO] [stderr]    Compiling dirs-sys v0.4.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling normpath v1.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.8.2
[INFO] [stderr]    Compiling dirs v5.0.0
[INFO] [stderr]    Compiling globset v0.4.10
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling ignore v0.4.20
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.29
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling toml_edit v0.19.8
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling build-time v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling enumset_derive v0.6.1
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling const_format v0.2.30
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.9
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]    Compiling embedded-can v0.4.1
[INFO] [stderr]    Compiling embedded-io v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling accelerometer v0.12.0
[INFO] [stderr]    Compiling icm42670 v0.1.1
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling enumset v1.0.12
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling toml-cfg v0.1.3
[INFO] [stderr]    Compiling embuild v0.31.1
[INFO] [stderr]    Compiling cargo_metadata v0.15.4
[INFO] [stderr]    Compiling embedded-svc v0.24.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-svc-0.24.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(cfg_version)]
[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 `embedded-svc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e35f94a35f6ce0582513bbae38e0e3046ea53ce61b631e987158606009382ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35f94a35f6ce0582513bbae38e0e3046ea53ce61b631e987158606009382ae4", kill_on_drop: false }`
[INFO] [stdout] e35f94a35f6ce0582513bbae38e0e3046ea53ce61b631e987158606009382ae4
