[INFO] fetching crate static-reflect-derive 0.2.0-alpha.2...
[INFO] testing static-reflect-derive-0.2.0-alpha.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate static-reflect-derive 0.2.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate static-reflect-derive 0.2.0-alpha.2 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 static-reflect-derive 0.2.0-alpha.2
[INFO] finished tweaking crates.io crate static-reflect-derive 0.2.0-alpha.2
[INFO] tweaked toml for crates.io crate static-reflect-derive 0.2.0-alpha.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static-reflect v0.2.0-alpha.2
[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] ad849faa93f7b2bef64b1906bf700fdd79d9b2160b31497c64ddf9ad8648bb4b
[INFO] running `Command { std: "docker" "start" "-a" "ad849faa93f7b2bef64b1906bf700fdd79d9b2160b31497c64ddf9ad8648bb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad849faa93f7b2bef64b1906bf700fdd79d9b2160b31497c64ddf9ad8648bb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad849faa93f7b2bef64b1906bf700fdd79d9b2160b31497c64ddf9ad8648bb4b", kill_on_drop: false }`
[INFO] [stdout] ad849faa93f7b2bef64b1906bf700fdd79d9b2160b31497c64ddf9ad8648bb4b
[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] 94244b6f021bbfe0f79564b8b46a5539bafe78543ec009ad5180f50fd2d9d09f
[INFO] running `Command { std: "docker" "start" "-a" "94244b6f021bbfe0f79564b8b46a5539bafe78543ec009ad5180f50fd2d9d09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling static-reflect-derive v0.2.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "94244b6f021bbfe0f79564b8b46a5539bafe78543ec009ad5180f50fd2d9d09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94244b6f021bbfe0f79564b8b46a5539bafe78543ec009ad5180f50fd2d9d09f", kill_on_drop: false }`
[INFO] [stdout] 94244b6f021bbfe0f79564b8b46a5539bafe78543ec009ad5180f50fd2d9d09f
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25c502c783b475eb55a15c8ab14e03c048baa6d8760efdf0391f46e23901fc1
[INFO] running `Command { std: "docker" "start" "-a" "e25c502c783b475eb55a15c8ab14e03c048baa6d8760efdf0391f46e23901fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling static-reflect v0.2.0-alpha.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/static-reflect-0.2.0-alpha.2/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / #![feature(
[INFO] [stdout] 15 | |     const_panic, const_option, // We use Option::unwrap
[INFO] [stdout] 16 | |     const_fn_fn_ptr_basics, // We use PhantomData<fn() -> T>
[INFO] [stdout] 17 | |     const_fn_trait_bound,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     const_ptr_offset_from,
[INFO] [stdout] 22 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/static-reflect-0.2.0-alpha.2/src/lib.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![cfg_attr(feature = "never", feature(never_type))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `static-reflect` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e25c502c783b475eb55a15c8ab14e03c048baa6d8760efdf0391f46e23901fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25c502c783b475eb55a15c8ab14e03c048baa6d8760efdf0391f46e23901fc1", kill_on_drop: false }`
[INFO] [stdout] e25c502c783b475eb55a15c8ab14e03c048baa6d8760efdf0391f46e23901fc1