[INFO] cloning repository https://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pypypypypypypypypyp/roguelike_ccg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8222df69f8199a261cc5b5f036829207744a41bd
[INFO] testing pypypypypypypypypyp/roguelike_ccg against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Froguelike_ccg" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pypypypypypypypypyp/roguelike_ccg on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] finished tweaking git repo https://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] tweaked toml for git repo https://github.com/pypypypypypypypypyp/roguelike_ccg written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pypypypypypypypypyp/roguelike_ccg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/pypypypypypypypypyp/events`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc_self v0.1.0
[INFO] [stderr]   Downloaded metatype v0.1.1
[INFO] [stderr]   Downloaded build_id v0.1.2
[INFO] [stderr]   Downloaded serde_traitobject v0.1.3
[INFO] [stderr]   Downloaded relative v0.1.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8dc298ff9ce450a00aa647ebc6259296f423397860f1101c92252d099d208eed
[INFO] running `"docker" "start" "-a" "8dc298ff9ce450a00aa647ebc6259296f423397860f1101c92252d099d208eed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling metatype v0.1.1
[INFO] [stderr]    Compiling half v1.3.0
[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/metatype-0.1.1/src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![feature(raw, box_syntax, specialization)]
[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 `metatype`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8dc298ff9ce450a00aa647ebc6259296f423397860f1101c92252d099d208eed"`
[INFO] running `"docker" "rm" "-f" "8dc298ff9ce450a00aa647ebc6259296f423397860f1101c92252d099d208eed"`
[INFO] [stdout] 8dc298ff9ce450a00aa647ebc6259296f423397860f1101c92252d099d208eed