[INFO] updating cached repository https://github.com/evomata/evomata12
[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] 98b176ba29746a66df62155293cfe50ef044ef40
[INFO] checking evomata/evomata12 against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevomata%2Fevomata12" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evomata/evomata12 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/evomata/evomata12
[INFO] finished tweaking git repo https://github.com/evomata/evomata12
[INFO] tweaked toml for git repo https://github.com/evomata/evomata12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/evomata/evomata12 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d33c60333d08eed1ffb41e631a8f43d8435943762a3781c8c9319a024fcc42c6
[INFO] running `"docker" "start" "-a" "d33c60333d08eed1ffb41e631a8f43d8435943762a3781c8c9319a024fcc42c6"`
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling cc v1.0.13
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]     Checking rand_core v0.2.0-pre.0
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking array-init v0.0.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]     Checking noisy_float v0.1.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking rand v0.5.0-pre.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.1.1
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking gridsim v0.2.0
[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/gridsim-0.2.0/src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![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 `gridsim`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d33c60333d08eed1ffb41e631a8f43d8435943762a3781c8c9319a024fcc42c6"`
[INFO] running `"docker" "rm" "-f" "d33c60333d08eed1ffb41e631a8f43d8435943762a3781c8c9319a024fcc42c6"`
[INFO] [stdout] d33c60333d08eed1ffb41e631a8f43d8435943762a3781c8c9319a024fcc42c6