[INFO] fetching crate ayaka-plugin-nop 0.2.0...
[INFO] testing ayaka-plugin-nop-0.2.0 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate ayaka-plugin-nop 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ayaka-plugin-nop 0.2.0 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ayaka-plugin-nop 0.2.0
[INFO] finished tweaking crates.io crate ayaka-plugin-nop 0.2.0
[INFO] tweaked toml for crates.io crate ayaka-plugin-nop 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding ayaka-plugin v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ayaka-plugin v0.2.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad0ef62aab5ac832f8352ebbd8d9ba443472d95d4d166734ce135b1f017394e3
[INFO] running `Command { std: "docker" "start" "-a" "ad0ef62aab5ac832f8352ebbd8d9ba443472d95d4d166734ce135b1f017394e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad0ef62aab5ac832f8352ebbd8d9ba443472d95d4d166734ce135b1f017394e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0ef62aab5ac832f8352ebbd8d9ba443472d95d4d166734ce135b1f017394e3", kill_on_drop: false }`
[INFO] [stdout] ad0ef62aab5ac832f8352ebbd8d9ba443472d95d4d166734ce135b1f017394e3
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7c733c3c83253ef9f4bf46e5d6cafa82ae4351b92a903a9353a5767edb8c7de
[INFO] running `Command { std: "docker" "start" "-a" "f7c733c3c83253ef9f4bf46e5d6cafa82ae4351b92a903a9353a5767edb8c7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling ayaka-plugin v0.2.0
[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/ayaka-plugin-0.2.0/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(tuple_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 `ayaka-plugin` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f7c733c3c83253ef9f4bf46e5d6cafa82ae4351b92a903a9353a5767edb8c7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c733c3c83253ef9f4bf46e5d6cafa82ae4351b92a903a9353a5767edb8c7de", kill_on_drop: false }`
[INFO] [stdout] f7c733c3c83253ef9f4bf46e5d6cafa82ae4351b92a903a9353a5767edb8c7de
