[INFO] fetching crate magic-ring-buffer 0.1.0... [INFO] testing magic-ring-buffer-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate magic-ring-buffer 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate magic-ring-buffer 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate magic-ring-buffer 0.1.0 [INFO] finished tweaking crates.io crate magic-ring-buffer 0.1.0 [INFO] tweaked toml for crates.io crate magic-ring-buffer 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum v0.13.0 [INFO] [stderr] Downloaded strum_macros v0.13.0 [INFO] [stderr] Downloaded likely v0.1.0 [INFO] [stderr] Downloaded file-descriptors v0.8.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc73ba5a9d36ed035e87f9ff35d15366cec05204dc4f50a92ad8ab87d346b73b [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" "dc73ba5a9d36ed035e87f9ff35d15366cec05204dc4f50a92ad8ab87d346b73b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc73ba5a9d36ed035e87f9ff35d15366cec05204dc4f50a92ad8ab87d346b73b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc73ba5a9d36ed035e87f9ff35d15366cec05204dc4f50a92ad8ab87d346b73b", kill_on_drop: false }` [INFO] [stdout] dc73ba5a9d36ed035e87f9ff35d15366cec05204dc4f50a92ad8ab87d346b73b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2141e8c08949cddbd22315a9b1ce1f8abf65284b5f0e55460139dfa76505d06 [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" "d2141e8c08949cddbd22315a9b1ce1f8abf65284b5f0e55460139dfa76505d06", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling likely v0.1.0 [INFO] [stderr] Compiling strum v0.13.0 [INFO] [stderr] Compiling strum_macros v0.13.0 [INFO] [stderr] Compiling file-descriptors v0.8.7 [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-0.8.7/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-0.8.7/src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(read_initializer)] [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-0.8.7/src/lib.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 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` due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "d2141e8c08949cddbd22315a9b1ce1f8abf65284b5f0e55460139dfa76505d06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2141e8c08949cddbd22315a9b1ce1f8abf65284b5f0e55460139dfa76505d06", kill_on_drop: false }` [INFO] [stdout] d2141e8c08949cddbd22315a9b1ce1f8abf65284b5f0e55460139dfa76505d06