[INFO] fetching crate merk 2.0.1...
[INFO] checking merk-2.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate merk 2.0.1 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate merk 2.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merk 2.0.1
[INFO] finished tweaking crates.io crate merk 2.0.1
[INFO] tweaked toml for crates.io crate merk 2.0.1 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded seq-macro v0.1.5
[INFO] [stderr]   Downloaded ed-derive v0.1.1
[INFO] [stderr]   Downloaded ed v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 178e371ccde9d94299c98452a1662447464bf72465ebbf11d9c6188eb2de2d07
[INFO] running `Command { std: "docker" "start" "-a" "178e371ccde9d94299c98452a1662447464bf72465ebbf11d9c6188eb2de2d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178e371ccde9d94299c98452a1662447464bf72465ebbf11d9c6188eb2de2d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178e371ccde9d94299c98452a1662447464bf72465ebbf11d9c6188eb2de2d07", kill_on_drop: false }`
[INFO] [stdout] 178e371ccde9d94299c98452a1662447464bf72465ebbf11d9c6188eb2de2d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aa843ad5043c7e6e0728304c1db9520677f8ec80446a48aaef367ef983078f3
[INFO] running `Command { std: "docker" "start" "-a" "4aa843ad5043c7e6e0728304c1db9520677f8ec80446a48aaef367ef983078f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling seq-macro v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rand v0.7.3
[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/blake2-rfc-0.2.18/src/lib.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "simd", feature(platform_intrinsics, repr_simd))]
[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/blake2-rfc-0.2.18/src/lib.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![cfg_attr(feature = "simd_opt", feature(cfg_target_feature))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `cfg_target_feature` has been stable since 1.27.0 and no longer requires an attribute to enable
[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/blake2-rfc-0.2.18/src/lib.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![cfg_attr(feature = "simd_asm", feature(asm))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blake2-rfc` due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4aa843ad5043c7e6e0728304c1db9520677f8ec80446a48aaef367ef983078f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa843ad5043c7e6e0728304c1db9520677f8ec80446a48aaef367ef983078f3", kill_on_drop: false }`
[INFO] [stdout] 4aa843ad5043c7e6e0728304c1db9520677f8ec80446a48aaef367ef983078f3
