[INFO] fetching crate bad64 0.3.0...
[INFO] testing bad64-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate bad64 0.3.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate bad64 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bad64 0.3.0
[INFO] finished tweaking crates.io crate bad64 0.3.0
[INFO] tweaked toml for crates.io crate bad64 0.3.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate bad64 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ba0c291f0ec34d35c56761f1090243db908c4fb0d079ef9634eb7258d8e6289
[INFO] running `Command { std: "docker" "start" "-a" "9ba0c291f0ec34d35c56761f1090243db908c4fb0d079ef9634eb7258d8e6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba0c291f0ec34d35c56761f1090243db908c4fb0d079ef9634eb7258d8e6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba0c291f0ec34d35c56761f1090243db908c4fb0d079ef9634eb7258d8e6289", kill_on_drop: false }`
[INFO] [stdout] 9ba0c291f0ec34d35c56761f1090243db908c4fb0d079ef9634eb7258d8e6289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d25bd3b7cdc2857f586f5bbc4edabfd1d9c3b7313dcdd4050bb00fa2366dc83
[INFO] running `Command { std: "docker" "start" "-a" "8d25bd3b7cdc2857f586f5bbc4edabfd1d9c3b7313dcdd4050bb00fa2366dc83", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bindgen v0.59.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]    Compiling cstr_core v0.2.3
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling regex v1.4.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]    Compiling bad64-sys v0.3.0
[INFO] [stderr]    Compiling bad64 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #![feature(maybe_uninit_uninit_array, maybe_uninit_extra, maybe_uninit_slice)]
[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 `bad64` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d25bd3b7cdc2857f586f5bbc4edabfd1d9c3b7313dcdd4050bb00fa2366dc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d25bd3b7cdc2857f586f5bbc4edabfd1d9c3b7313dcdd4050bb00fa2366dc83", kill_on_drop: false }`
[INFO] [stdout] 8d25bd3b7cdc2857f586f5bbc4edabfd1d9c3b7313dcdd4050bb00fa2366dc83
