[INFO] updating cached repository https://github.com/volution/vonuvoli-scheme
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] daee1f8c3f691d65d9ff2140b83d89e4f54780b8
[INFO] checking volution/vonuvoli-scheme against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolution%2Fvonuvoli-scheme" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volution/vonuvoli-scheme on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/volution/vonuvoli-scheme
[INFO] finished tweaking git repo https://github.com/volution/vonuvoli-scheme
[INFO] tweaked toml for git repo https://github.com/volution/vonuvoli-scheme written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/volution/vonuvoli-scheme already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1eaa905ab97f0add82b6ea93cf04949c4370c7243182199b8d3008b7b7a4abf7
[INFO] running `"docker" "start" "-a" "1eaa905ab97f0add82b6ea93cf04949c4370c7243182199b8d3008b7b7a4abf7"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.6.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking cpio v0.2.0
[INFO] [stderr]     Checking seahash v3.0.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling sha1-asm v0.4.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling md5-asm v0.4.3
[INFO] [stderr]    Compiling sha2-asm v0.5.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blake2-rfc-0.2.18/src/lib.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(feature = "simd", feature(platform_intrinsics, repr_simd))]
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blake2-rfc-0.2.18/src/lib.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![cfg_attr(feature = "simd_opt", feature(cfg_target_feature))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blake2-rfc-0.2.18/src/lib.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![cfg_attr(feature = "simd_asm", feature(asm))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `blake2-rfc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1eaa905ab97f0add82b6ea93cf04949c4370c7243182199b8d3008b7b7a4abf7"`
[INFO] running `"docker" "rm" "-f" "1eaa905ab97f0add82b6ea93cf04949c4370c7243182199b8d3008b7b7a4abf7"`
[INFO] [stdout] 1eaa905ab97f0add82b6ea93cf04949c4370c7243182199b8d3008b7b7a4abf7