[INFO] updating cached repository https://github.com/Cobrand/tcp_minigame [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] a6dfa9b02eb15447c85f5a65c4637e370b0d9ec3 [INFO] testing Cobrand/tcp_minigame against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCobrand%2Ftcp_minigame" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cobrand/tcp_minigame 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/Cobrand/tcp_minigame [INFO] finished tweaking git repo https://github.com/Cobrand/tcp_minigame [INFO] tweaked toml for git repo https://github.com/Cobrand/tcp_minigame written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Cobrand/tcp_minigame 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 95d5a7a68f533abbbe59c1c1ea079916ffa6d465d431e7de6cb93d462fb87bc9 [INFO] running `"docker" "start" "-a" "95d5a7a68f533abbbe59c1c1ea079916ffa6d465d431e7de6cb93d462fb87bc9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.1.36 [INFO] [stderr] Compiling gcc v0.3.39 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling quote v0.3.10 [INFO] [stderr] Compiling sdl2-sys v0.27.0 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling serde v0.8.19 [INFO] [stderr] Compiling rustc-serialize v0.3.22 [INFO] [stderr] Compiling lazy_static v0.2.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling syn v0.10.3 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling num-integer v0.1.32 [INFO] [stderr] Compiling num-iter v0.1.32 [INFO] [stderr] Compiling num v0.1.36 [INFO] [stderr] Compiling sdl2 v0.27.0 [INFO] [stderr] Compiling error-chain v0.7.1 [INFO] [stderr] Compiling serde_codegen_internals v0.11.1 [INFO] [stderr] Compiling serde_codegen v0.8.19 [INFO] [stderr] Compiling serde_derive v0.8.19 [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/serde_derive-0.8.19/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro, proc_macro_lib)] [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 `serde_derive`. [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" "95d5a7a68f533abbbe59c1c1ea079916ffa6d465d431e7de6cb93d462fb87bc9"` [INFO] running `"docker" "rm" "-f" "95d5a7a68f533abbbe59c1c1ea079916ffa6d465d431e7de6cb93d462fb87bc9"` [INFO] [stdout] 95d5a7a68f533abbbe59c1c1ea079916ffa6d465d431e7de6cb93d462fb87bc9