[INFO] fetching crate dynec-codegen 0.2.0-alpha.1...
[INFO] testing dynec-codegen-0.2.0-alpha.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate dynec-codegen 0.2.0-alpha.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dynec-codegen 0.2.0-alpha.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dynec-codegen 0.2.0-alpha.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches2 v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aace969e0dd181a87a45a86ced919b19deeb4356d37ec1493460283a00f8f9d
[INFO] running `Command { std: "docker" "start" "-a" "4aace969e0dd181a87a45a86ced919b19deeb4356d37ec1493460283a00f8f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aace969e0dd181a87a45a86ced919b19deeb4356d37ec1493460283a00f8f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aace969e0dd181a87a45a86ced919b19deeb4356d37ec1493460283a00f8f9d", kill_on_drop: false }`
[INFO] [stdout] 4aace969e0dd181a87a45a86ced919b19deeb4356d37ec1493460283a00f8f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f81a306681f3e89bb7f438b8b8dc74bf261be33f608e67ab1429e0b431d85cd
[INFO] running `Command { std: "docker" "start" "-a" "2f81a306681f3e89bb7f438b8b8dc74bf261be33f608e67ab1429e0b431d85cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling matches2 v1.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling dynec-codegen v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `dynec-codegen` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f81a306681f3e89bb7f438b8b8dc74bf261be33f608e67ab1429e0b431d85cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f81a306681f3e89bb7f438b8b8dc74bf261be33f608e67ab1429e0b431d85cd", kill_on_drop: false }`
[INFO] [stdout] 2f81a306681f3e89bb7f438b8b8dc74bf261be33f608e67ab1429e0b431d85cd
