[INFO] fetching crate scatterbrain 0.0.1...
[INFO] checking scatterbrain-0.0.1 against 1.95.0 for pr-155915
[INFO] extracting crate scatterbrain 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate scatterbrain 0.0.1
[INFO] finished tweaking crates.io crate scatterbrain 0.0.1
[INFO] tweaked toml for crates.io crate scatterbrain 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scatterbrain 0.0.1 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] crate crates.io crate scatterbrain 0.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate-attr v0.3.0
[INFO] [stderr]   Downloaded if-addrs v0.13.4
[INFO] [stderr]   Downloaded prettyplease v0.2.35
[INFO] [stderr]   Downloaded oslog v0.1.0
[INFO] [stderr]   Downloaded build-target v0.4.0
[INFO] [stderr]   Downloaded android_logger v0.13.3
[INFO] [stderr]   Downloaded flutter_rust_bridge_macros v2.10.0
[INFO] [stderr]   Downloaded allo-isolate v0.1.27
[INFO] [stderr]   Downloaded hex-conservative v0.1.2
[INFO] [stderr]   Downloaded rusqlite_migration v1.3.1
[INFO] [stderr]   Downloaded dart-sys v4.1.5
[INFO] [stderr]   Downloaded mdns-sd v0.11.5
[INFO] [stderr]   Downloaded flutter_rust_bridge v2.10.0
[INFO] [stderr]   Downloaded dryoc v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 614c4b240feef6a86cbdd3c6d86feb9ffcedfa1e8c59c8ee1461c85b3d83832f
[INFO] running `Command { std: "docker" "start" "-a" "614c4b240feef6a86cbdd3c6d86feb9ffcedfa1e8c59c8ee1461c85b3d83832f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614c4b240feef6a86cbdd3c6d86feb9ffcedfa1e8c59c8ee1461c85b3d83832f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614c4b240feef6a86cbdd3c6d86feb9ffcedfa1e8c59c8ee1461c85b3d83832f", kill_on_drop: false }`
[INFO] [stdout] 614c4b240feef6a86cbdd3c6d86feb9ffcedfa1e8c59c8ee1461c85b3d83832f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4aaa4b60f7d9d7391abc98a4cd61917a8ac8a0e1c53722a31be9316df2757dd9
[INFO] running `Command { std: "docker" "start" "-a" "4aaa4b60f7d9d7391abc98a4cd61917a8ac8a0e1c53722a31be9316df2757dd9", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]    Compiling rusqlite_migration v1.3.1
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking if-addrs v0.13.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking mdns-sd v0.11.5
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling prost-types v0.13.5
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]    Compiling prost-build v0.13.5
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]    Compiling scatterbrain v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking bip39 v2.2.0
[INFO] [stderr]     Checking dryoc v0.6.2
[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/dryoc-0.6.2/src/lib.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     feature(allocator_api, doc_cfg)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusqlite v0.32.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dryoc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4aaa4b60f7d9d7391abc98a4cd61917a8ac8a0e1c53722a31be9316df2757dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaa4b60f7d9d7391abc98a4cd61917a8ac8a0e1c53722a31be9316df2757dd9", kill_on_drop: false }`
[INFO] [stdout] 4aaa4b60f7d9d7391abc98a4cd61917a8ac8a0e1c53722a31be9316df2757dd9