[INFO] fetching crate binary_enclave_macro 0.1.1...
[INFO] testing binary_enclave_macro-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate binary_enclave_macro 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate binary_enclave_macro 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binary_enclave_macro 0.1.1
[INFO] finished tweaking crates.io crate binary_enclave_macro 0.1.1
[INFO] tweaked toml for crates.io crate binary_enclave_macro 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bc62c95e769261c36e6f43fd406862f87c8a07f647b2d9de9fc7ee54cd4ed26
[INFO] running `Command { std: "docker" "start" "-a" "9bc62c95e769261c36e6f43fd406862f87c8a07f647b2d9de9fc7ee54cd4ed26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bc62c95e769261c36e6f43fd406862f87c8a07f647b2d9de9fc7ee54cd4ed26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc62c95e769261c36e6f43fd406862f87c8a07f647b2d9de9fc7ee54cd4ed26", kill_on_drop: false }`
[INFO] [stdout] 9bc62c95e769261c36e6f43fd406862f87c8a07f647b2d9de9fc7ee54cd4ed26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f14418c454c7a3a1e8a6a292696ba6966c37192389c4c9aa94c740f3741b469
[INFO] running `Command { std: "docker" "start" "-a" "1f14418c454c7a3a1e8a6a292696ba6966c37192389c4c9aa94c740f3741b469", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_enclave_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `binary_enclave_macro` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1f14418c454c7a3a1e8a6a292696ba6966c37192389c4c9aa94c740f3741b469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f14418c454c7a3a1e8a6a292696ba6966c37192389c4c9aa94c740f3741b469", kill_on_drop: false }`
[INFO] [stdout] 1f14418c454c7a3a1e8a6a292696ba6966c37192389c4c9aa94c740f3741b469