[INFO] updating cached repository https://github.com/hwchen/beryl
[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] dd2628fa7d7e66db41916dfca0a5c6851df69544
[INFO] checking hwchen/beryl against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fberyl" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwchen/beryl 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/hwchen/beryl
[INFO] finished tweaking git repo https://github.com/hwchen/beryl
[INFO] tweaked toml for git repo https://github.com/hwchen/beryl written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hwchen/beryl 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c47ee6313def24ba46118dcdb7283b841957d350205b5ce08e90e683d6796407
[INFO] running `"docker" "start" "-a" "c47ee6313def24ba46118dcdb7283b841957d350205b5ce08e90e683d6796407"`
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling clickhouse-rs-cityhash-sys v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking serde_qs v0.4.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking clickhouse-rs v0.1.14
[INFO] [stderr]     Checking actix-web v0.7.19
[INFO] [stderr]     Checking beryl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `beryl`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `beryl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c47ee6313def24ba46118dcdb7283b841957d350205b5ce08e90e683d6796407"`
[INFO] running `"docker" "rm" "-f" "c47ee6313def24ba46118dcdb7283b841957d350205b5ce08e90e683d6796407"`
[INFO] [stdout] c47ee6313def24ba46118dcdb7283b841957d350205b5ce08e90e683d6796407