[INFO] fetching crate debouncing 0.1.0...
[INFO] testing debouncing-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate debouncing 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate debouncing 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debouncing 0.1.0
[INFO] finished tweaking crates.io crate debouncing 0.1.0
[INFO] tweaked toml for crates.io crate debouncing 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-compat v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ec8623ced15c1051d2f8832b50bb2a029434973e42dce4bbe542716291c57e
[INFO] running `Command { std: "docker" "start" "-a" "84ec8623ced15c1051d2f8832b50bb2a029434973e42dce4bbe542716291c57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ec8623ced15c1051d2f8832b50bb2a029434973e42dce4bbe542716291c57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ec8623ced15c1051d2f8832b50bb2a029434973e42dce4bbe542716291c57e", kill_on_drop: false }`
[INFO] [stdout] 84ec8623ced15c1051d2f8832b50bb2a029434973e42dce4bbe542716291c57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1567481c1315727b53021111f73fbff6b75b7ddae77625472ba44cf5b684f667
[INFO] running `Command { std: "docker" "start" "-a" "1567481c1315727b53021111f73fbff6b75b7ddae77625472ba44cf5b684f667", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling no-std-compat v0.1.1
[INFO] [stdout] error[E0432]: unresolved import `__core::raw`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/no-std-compat-0.1.1/src/generated.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub use __core::raw::*;
[INFO] [stdout]     |                     ^^^ could not find `raw` in `__core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/no-std-compat-0.1.1/src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "std"), no_std, feature(fixed_size_array, core_intrinsics, core_panic_info, core_panic, raw, unicode_internals))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/no-std-compat-0.1.1/src/lib.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(all(not(feature = "std"), feature = "alloc"), feature(alloc_prelude, raw_vec_internals))]
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no-std-compat` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1567481c1315727b53021111f73fbff6b75b7ddae77625472ba44cf5b684f667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1567481c1315727b53021111f73fbff6b75b7ddae77625472ba44cf5b684f667", kill_on_drop: false }`
[INFO] [stdout] 1567481c1315727b53021111f73fbff6b75b7ddae77625472ba44cf5b684f667