[INFO] fetching crate edgedb-composable-query 0.0.4...
[INFO] testing edgedb-composable-query-0.0.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate edgedb-composable-query 0.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate edgedb-composable-query 0.0.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-cert-gen v0.9.0
[INFO] [stderr]   Downloaded edgedb-derive v0.5.1
[INFO] [stderr]   Downloaded snafu-derive v0.7.5
[INFO] [stderr]   Downloaded scram v0.6.0
[INFO] [stderr]   Downloaded tls-api v0.9.0
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded nonempty v0.9.0
[INFO] [stderr]   Downloaded tls-api-test v0.9.0
[INFO] [stderr]   Downloaded tls-api-not-tls v0.9.0
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded snafu v0.7.5
[INFO] [stderr]   Downloaded tls-api-rustls v0.9.0
[INFO] [stderr]   Downloaded edgedb-composable-query-derive v0.0.4
[INFO] [stderr]   Downloaded edgedb-errors v0.4.1
[INFO] [stderr]   Downloaded edgedb-protocol v0.6.0
[INFO] [stderr]   Downloaded edgedb-tokio v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bea58bb844cb56beef335b2cb375472d6179e6842985030f8164dbef13670406
[INFO] running `Command { std: "docker" "start" "-a" "bea58bb844cb56beef335b2cb375472d6179e6842985030f8164dbef13670406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea58bb844cb56beef335b2cb375472d6179e6842985030f8164dbef13670406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea58bb844cb56beef335b2cb375472d6179e6842985030f8164dbef13670406", kill_on_drop: false }`
[INFO] [stdout] bea58bb844cb56beef335b2cb375472d6179e6842985030f8164dbef13670406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fea6bb914ed89c83a96cbe8302f91b68c4b736fd86574adc0bc58f042593dcf
[INFO] running `Command { std: "docker" "start" "-a" "1fea6bb914ed89c83a96cbe8302f91b68c4b736fd86574adc0bc58f042593dcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tls-api-test v0.9.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling test-cert-gen v0.9.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling trybuild v1.0.87
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling basic-toml v0.1.8
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling webpki v0.22.4
[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-6f17d22bba15001f/darling_core-0.20.3/src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "diagnostics", feature(proc_macro_diagnostic))]
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1fea6bb914ed89c83a96cbe8302f91b68c4b736fd86574adc0bc58f042593dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fea6bb914ed89c83a96cbe8302f91b68c4b736fd86574adc0bc58f042593dcf", kill_on_drop: false }`
[INFO] [stdout] 1fea6bb914ed89c83a96cbe8302f91b68c4b736fd86574adc0bc58f042593dcf
