[INFO] crate rls-analysis 0.18.1 is already in cache
[INFO] checking rls-analysis-0.18.1 against beta-2019-10-27 for pr-65897
[INFO] extracting crate rls-analysis 0.18.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rls-analysis 0.18.1 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 crates.io crate rls-analysis 0.18.1
[INFO] finished tweaking crates.io crate rls-analysis 0.18.1
[INFO] tweaked toml for crates.io crate rls-analysis 0.18.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rls-analysis 0.18.1 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]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 6dc9e11b28c7106178afcf8fd2ff9cdd0b950d3dcbaa7a43eb9fddf210ca2db5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6dc9e11b28c7106178afcf8fd2ff9cdd0b950d3dcbaa7a43eb9fddf210ca2db5"`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rls-data v0.19.0
[INFO] [stderr]     Checking rls-analysis v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/std_api_crate.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `rls-analysis`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6dc9e11b28c7106178afcf8fd2ff9cdd0b950d3dcbaa7a43eb9fddf210ca2db5"`
[INFO] running `"docker" "rm" "-f" "6dc9e11b28c7106178afcf8fd2ff9cdd0b950d3dcbaa7a43eb9fddf210ca2db5"`
[INFO] [stdout] 6dc9e11b28c7106178afcf8fd2ff9cdd0b950d3dcbaa7a43eb9fddf210ca2db5