[INFO] fetching crate cv 0.3.0... [INFO] testing cv-0.3.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate cv 0.3.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate cv 0.3.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cv 0.3.0 [INFO] finished tweaking crates.io crate cv 0.3.0 [INFO] tweaked toml for crates.io crate cv 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] 636f3d2ff3265b6f9648744d8586cc5c137fc594df65fec0514ee53ad495d609 [INFO] running `"docker" "start" "-a" "636f3d2ff3265b6f9648744d8586cc5c137fc594df65fec0514ee53ad495d609"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling sample-consensus v0.2.0 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling primal-estimate v0.2.1 [INFO] [stderr] Compiling space v0.10.3 [INFO] [stderr] Compiling ahash v0.3.5 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling levenberg-marquardt v0.5.0 [INFO] [stderr] Compiling primal-bit v0.2.4 [INFO] [stderr] Compiling bitarray v0.2.2 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitarray-0.2.2/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / #![feature( [INFO] [stderr] 4 | | const_generics, [INFO] [stderr] 5 | | link_llvm_intrinsics, [INFO] [stderr] 6 | | repr_simd, [INFO] [stderr] 7 | | simd_ffi, [INFO] [stderr] 8 | | platform_intrinsics [INFO] [stderr] 9 | | )] [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 `bitarray`. [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" "636f3d2ff3265b6f9648744d8586cc5c137fc594df65fec0514ee53ad495d609"` [INFO] running `"docker" "rm" "-f" "636f3d2ff3265b6f9648744d8586cc5c137fc594df65fec0514ee53ad495d609"` [INFO] [stdout] 636f3d2ff3265b6f9648744d8586cc5c137fc594df65fec0514ee53ad495d609