[INFO] fetching crate static-reflect-derive 0.1.7...
[INFO] testing static-reflect-derive-0.1.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate static-reflect-derive 0.1.7 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate static-reflect-derive 0.1.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate static-reflect-derive 0.1.7
[INFO] finished tweaking crates.io crate static-reflect-derive 0.1.7
[INFO] tweaked toml for crates.io crate static-reflect-derive 0.1.7 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999b6101c1ec462b031109ec00086d9756747c4be9392dace5847bd2db5a9308
[INFO] running `Command { std: "docker" "start" "-a" "999b6101c1ec462b031109ec00086d9756747c4be9392dace5847bd2db5a9308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999b6101c1ec462b031109ec00086d9756747c4be9392dace5847bd2db5a9308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999b6101c1ec462b031109ec00086d9756747c4be9392dace5847bd2db5a9308", kill_on_drop: false }`
[INFO] [stdout] 999b6101c1ec462b031109ec00086d9756747c4be9392dace5847bd2db5a9308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b78f0b0f27f9af74aa654f3f93489978ce479ee48df2e3c30e91e6c0432c7de
[INFO] running `Command { std: "docker" "start" "-a" "3b78f0b0f27f9af74aa654f3f93489978ce479ee48df2e3c30e91e6c0432c7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling static-reflect-derive-internals v0.1.0
[INFO] [stderr]    Compiling static-reflect-derive v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "3b78f0b0f27f9af74aa654f3f93489978ce479ee48df2e3c30e91e6c0432c7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b78f0b0f27f9af74aa654f3f93489978ce479ee48df2e3c30e91e6c0432c7de", kill_on_drop: false }`
[INFO] [stdout] 3b78f0b0f27f9af74aa654f3f93489978ce479ee48df2e3c30e91e6c0432c7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cec58515e8b2f63dca63a81cae3335aca2dced4b40f2790017d2b9e324cd1bc
[INFO] running `Command { std: "docker" "start" "-a" "1cec58515e8b2f63dca63a81cae3335aca2dced4b40f2790017d2b9e324cd1bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling static-reflect v0.1.9
[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-0.1.9/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / #![feature(
[INFO] [stdout] 14 | |     const_panic, const_option, // We use Option::unwrap
[INFO] [stdout] 15 | |     const_fn_fn_ptr_basics, // We use PhantomData<fn() -> T>
[INFO] [stdout] 16 | |     const_fn_trait_bound,
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     const_ptr_offset_from,
[INFO] [stdout] 21 | | )]
[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-0.1.9/src/lib.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1cec58515e8b2f63dca63a81cae3335aca2dced4b40f2790017d2b9e324cd1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cec58515e8b2f63dca63a81cae3335aca2dced4b40f2790017d2b9e324cd1bc", kill_on_drop: false }`
[INFO] [stdout] 1cec58515e8b2f63dca63a81cae3335aca2dced4b40f2790017d2b9e324cd1bc
