[INFO] fetching crate edgedb-composable-query 0.0.4...
[INFO] testing edgedb-composable-query-0.0.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate edgedb-composable-query 0.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate edgedb-composable-query 0.0.4
[INFO] finished tweaking crates.io crate edgedb-composable-query 0.0.4
[INFO] tweaked toml for crates.io crate edgedb-composable-query 0.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate edgedb-composable-query 0.0.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 237 packages to latest compatible versions
[INFO] [stderr]       Adding edgedb-protocol v0.6.1 (available: v0.7.0)
[INFO] [stderr]       Adding edgedb-tokio v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding nonempty v0.9.0 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tls-api-test-2 v0.11.0
[INFO] [stderr]   Downloaded test-cert-gen-2 v0.11.0
[INFO] [stderr]   Downloaded tls-api-rustls-2 v0.11.1
[INFO] [stderr]   Downloaded tokio-test v0.4.4
[INFO] [stderr]   Downloaded nonempty v0.9.0
[INFO] [stderr]   Downloaded tls-api-not-tls-2 v0.11.0
[INFO] [stderr]   Downloaded tls-api-2 v0.11.0
[INFO] [stderr]   Downloaded scram-2 v0.7.0
[INFO] [stderr]   Downloaded edgedb-errors v0.4.2
[INFO] [stderr]   Downloaded edgedb-composable-query-derive v0.0.4
[INFO] [stderr]   Downloaded edgedb-derive v0.5.2
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded edgedb-protocol v0.6.1
[INFO] [stderr]   Downloaded arc-swap v1.7.1
[INFO] [stderr]   Downloaded edgedb-tokio v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb441ea0a527cc697b18ccac91b50c3188ecf8a4b0ff8ce68ccf7207e5aa7216
[INFO] running `Command { std: "docker" "start" "-a" "bb441ea0a527cc697b18ccac91b50c3188ecf8a4b0ff8ce68ccf7207e5aa7216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb441ea0a527cc697b18ccac91b50c3188ecf8a4b0ff8ce68ccf7207e5aa7216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb441ea0a527cc697b18ccac91b50c3188ecf8a4b0ff8ce68ccf7207e5aa7216", kill_on_drop: false }`
[INFO] [stdout] bb441ea0a527cc697b18ccac91b50c3188ecf8a4b0ff8ce68ccf7207e5aa7216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 330a555c38e7e1d66bebe53f9ccecba28ac1838e9fdd79cebe78471601d753df
[INFO] running `Command { std: "docker" "start" "-a" "330a555c38e7e1d66bebe53f9ccecba28ac1838e9fdd79cebe78471601d753df", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling tls-api-test-2 v0.11.0
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling pem v3.0.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[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/darling_core-0.20.11/src/lib.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "diagnostics", feature(proc_macro_diagnostic))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling edgedb-errors v0.4.2
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darling_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "330a555c38e7e1d66bebe53f9ccecba28ac1838e9fdd79cebe78471601d753df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330a555c38e7e1d66bebe53f9ccecba28ac1838e9fdd79cebe78471601d753df", kill_on_drop: false }`
[INFO] [stdout] 330a555c38e7e1d66bebe53f9ccecba28ac1838e9fdd79cebe78471601d753df