[INFO] cloning repository https://github.com/nitros12/pyo3_queue_test_eventfd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nitros12/pyo3_queue_test_eventfd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5649db1871ed7acddf907a6251407ef4dbc56072 [INFO] checking nitros12/pyo3_queue_test_eventfd against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnitros12%2Fpyo3_queue_test_eventfd" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nitros12/pyo3_queue_test_eventfd on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nitros12/pyo3_queue_test_eventfd [INFO] finished tweaking git repo https://github.com/nitros12/pyo3_queue_test_eventfd [INFO] tweaked toml for git repo https://github.com/nitros12/pyo3_queue_test_eventfd written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nitros12/pyo3_queue_test_eventfd already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8451e920b510672b991d61b9cd41c0d93fa63a6628b86bf6195ea19a293613ea [INFO] running `Command { std: "docker" "start" "-a" "8451e920b510672b991d61b9cd41c0d93fa63a6628b86bf6195ea19a293613ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8451e920b510672b991d61b9cd41c0d93fa63a6628b86bf6195ea19a293613ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8451e920b510672b991d61b9cd41c0d93fa63a6628b86bf6195ea19a293613ea", kill_on_drop: false }` [INFO] [stdout] 8451e920b510672b991d61b9cd41c0d93fa63a6628b86bf6195ea19a293613ea [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b05717039bdd2505e917bcf025344de151236f2fc16e0dfb59f2e13509ef33a3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b05717039bdd2505e917bcf025344de151236f2fc16e0dfb59f2e13509ef33a3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling pyo3 v0.12.3 [INFO] [stderr] Checking likely v0.1.0 [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking tokio v0.3.2 [INFO] [stderr] Compiling strum_macros v0.13.0 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking file-descriptors v0.9.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.9.1/src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/file-descriptors-0.9.1/src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(read_initializer)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `file-descriptors` [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 `Command { std: "docker" "inspect" "b05717039bdd2505e917bcf025344de151236f2fc16e0dfb59f2e13509ef33a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b05717039bdd2505e917bcf025344de151236f2fc16e0dfb59f2e13509ef33a3", kill_on_drop: false }` [INFO] [stdout] b05717039bdd2505e917bcf025344de151236f2fc16e0dfb59f2e13509ef33a3