[INFO] cloning repository https://github.com/slightlyoutofphase/staticvec [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightlyoutofphase/staticvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyoutofphase%2Fstaticvec"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyoutofphase%2Fstaticvec'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 70c262b634489930f9bde3c074c6821e4a373983 [INFO] testing slightlyoutofphase/staticvec against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyoutofphase%2Fstaticvec" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/slightlyoutofphase/staticvec on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/slightlyoutofphase/staticvec [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/slightlyoutofphase/staticvec [INFO] tweaked toml for git repo https://github.com/slightlyoutofphase/staticvec written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6c893289022d28ac76b77ae6dd000fed418d2ad38075d822e48485bbd4f8a18f [INFO] running `"docker" "start" "-a" "6c893289022d28ac76b77ae6dd000fed418d2ad38075d822e48485bbd4f8a18f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling staticvec v0.9.3 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:30:1 [INFO] [stderr] | [INFO] [stderr] 30 | / #![feature( [INFO] [stderr] 31 | | const_compare_raw_pointers, [INFO] [stderr] 32 | | const_fn, [INFO] [stderr] 33 | | const_fn_union, [INFO] [stderr] ... | [INFO] [stderr] 53 | | untagged_unions [INFO] [stderr] 54 | | )] [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:55:30 [INFO] [stderr] | [INFO] [stderr] 55 | #![cfg_attr(feature = "std", feature(read_initializer))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `staticvec`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6c893289022d28ac76b77ae6dd000fed418d2ad38075d822e48485bbd4f8a18f"` [INFO] running `"docker" "rm" "-f" "6c893289022d28ac76b77ae6dd000fed418d2ad38075d822e48485bbd4f8a18f"` [INFO] [stdout] 6c893289022d28ac76b77ae6dd000fed418d2ad38075d822e48485bbd4f8a18f