[INFO] fetching crate battler-wamprat-schema 0.4.1...
[INFO] checking battler-wamprat-schema-0.4.1 against 1.95.0 for pr-155915
[INFO] extracting crate battler-wamprat-schema 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate battler-wamprat-schema 0.4.1
[INFO] finished tweaking crates.io crate battler-wamprat-schema 0.4.1
[INFO] tweaked toml for crates.io crate battler-wamprat-schema 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate battler-wamprat-schema 0.4.1 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 battler-wamprat-schema 0.4.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded battler-wamprat-message-proc-macro v0.1.2
[INFO] [stderr]   Downloaded battler-wamprat-error-proc-macro v0.2.0
[INFO] [stderr]   Downloaded battler-wamprat-error v0.2.1
[INFO] [stderr]   Downloaded battler-wamprat-uri-proc-macro v0.5.0
[INFO] [stderr]   Downloaded battler-wamprat-message v0.1.3
[INFO] [stderr]   Downloaded battler-wamprat-uri v0.5.1
[INFO] [stderr]   Downloaded battler-wamprat v0.7.1
[INFO] [stderr]   Downloaded battler-wamprat-schema-proc-macro v0.5.0
[INFO] [stderr]   Downloaded battler-wamp v0.5.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d702f1299c80ef4021012010b4e33e4964538773eeb75c72ad0c94aa9ac5f3
[INFO] running `Command { std: "docker" "start" "-a" "62d702f1299c80ef4021012010b4e33e4964538773eeb75c72ad0c94aa9ac5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d702f1299c80ef4021012010b4e33e4964538773eeb75c72ad0c94aa9ac5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d702f1299c80ef4021012010b4e33e4964538773eeb75c72ad0c94aa9ac5f3", kill_on_drop: false }`
[INFO] [stdout] 62d702f1299c80ef4021012010b4e33e4964538773eeb75c72ad0c94aa9ac5f3
[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] a8d6bc67ee57f78369fe1db2280540ad8232cd36c4793a5bf21a39650a3884d0
[INFO] running `Command { std: "docker" "start" "-a" "a8d6bc67ee57f78369fe1db2280540ad8232cd36c4793a5bf21a39650a3884d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking base64ct v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking rustls-native-certs v0.8.2
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling aws-lc-sys v0.35.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking argon2 v0.5.3
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling battler-wamp-values-proc-macro v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling battler-wamprat-message-proc-macro v0.1.2
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking battler-wamp-values v0.2.2
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking battler-wamp-uri v0.1.0
[INFO] [stderr]     Checking battler-wamprat-message v0.1.3
[INFO] [stderr]    Compiling serde-struct-tuple-proc-macro v0.1.2
[INFO] [stderr]    Compiling serde-struct-tuple-enum-proc-macro v0.1.0
[INFO] [stderr]    Compiling serde_string_enum v0.2.1
[INFO] [stderr]     Checking serde-struct-tuple-enum v0.1.1
[INFO] [stderr]    Compiling battler-wamprat-error-proc-macro v0.2.0
[INFO] [stderr]    Compiling battler-wamprat-uri-proc-macro v0.5.0
[INFO] [stderr]    Compiling battler-wamprat-schema-proc-macro v0.5.0
[INFO] [stderr]     Checking battler-wamprat-error v0.2.1
[INFO] [stderr]     Checking serde-struct-tuple v0.1.3
[INFO] [stderr]     Checking rustls-webpki v0.103.8
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking tungstenite v0.27.0
[INFO] [stderr]     Checking tokio-tungstenite v0.27.0
[INFO] [stderr]     Checking battler-wamp v0.5.1
[INFO] [stderr]     Checking battler-wamprat-uri v0.5.1
[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/battler-wamprat-uri-0.5.1/src/lib.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | #![feature(slice_concat_trait)]
[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 `battler-wamprat-uri` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a8d6bc67ee57f78369fe1db2280540ad8232cd36c4793a5bf21a39650a3884d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d6bc67ee57f78369fe1db2280540ad8232cd36c4793a5bf21a39650a3884d0", kill_on_drop: false }`
[INFO] [stdout] a8d6bc67ee57f78369fe1db2280540ad8232cd36c4793a5bf21a39650a3884d0
