[INFO] crate emojicode 0.1.4 is already in cache [INFO] testing emojicode-0.1.4 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate emojicode 0.1.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate emojicode 0.1.4 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 crates.io crate emojicode 0.1.4 [INFO] finished tweaking crates.io crate emojicode 0.1.4 [INFO] tweaked toml for crates.io crate emojicode 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e74ea22db9e52bd1872870f1989fa5b21df24bae006f0ef68c34fbbe01627638 [INFO] running `"docker" "start" "-a" "e74ea22db9e52bd1872870f1989fa5b21df24bae006f0ef68c34fbbe01627638"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling bindgen v0.33.2 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling clang-sys v0.22.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling emojicode-sys v0.1.4 [INFO] [stderr] Compiling emojicode v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(pointer_methods)] [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 `emojicode`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e74ea22db9e52bd1872870f1989fa5b21df24bae006f0ef68c34fbbe01627638"` [INFO] running `"docker" "rm" "-f" "e74ea22db9e52bd1872870f1989fa5b21df24bae006f0ef68c34fbbe01627638"` [INFO] [stdout] e74ea22db9e52bd1872870f1989fa5b21df24bae006f0ef68c34fbbe01627638