[INFO] fetching crate higher_order_functions 0.1.1... [INFO] checking higher_order_functions-0.1.1 against beta for pr-78714 [INFO] extracting crate higher_order_functions 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate higher_order_functions 0.1.1 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 crates.io crate higher_order_functions 0.1.1 [INFO] finished tweaking crates.io crate higher_order_functions 0.1.1 [INFO] tweaked toml for crates.io crate higher_order_functions 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 93b53cb80045d4209c2ba57febfbb5646d6d83d68d9672a5362043d30416064a [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" "93b53cb80045d4209c2ba57febfbb5646d6d83d68d9672a5362043d30416064a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93b53cb80045d4209c2ba57febfbb5646d6d83d68d9672a5362043d30416064a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93b53cb80045d4209c2ba57febfbb5646d6d83d68d9672a5362043d30416064a", kill_on_drop: false }` [INFO] [stdout] 93b53cb80045d4209c2ba57febfbb5646d6d83d68d9672a5362043d30416064a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1977bf726e8819504b667403a4f959ed41389f2194b5c34e95402366f4995c64 [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" "1977bf726e8819504b667403a4f959ed41389f2194b5c34e95402366f4995c64", kill_on_drop: false }` [INFO] [stderr] Compiling pulldown-cmark v0.7.2 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking higher_order_functions v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking quote v1.0.7 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:80:1 [INFO] [stdout] | [INFO] [stdout] 80 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:81:1 [INFO] [stdout] | [INFO] [stdout] 81 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:82:1 [INFO] [stdout] | [INFO] [stdout] 82 | #![feature(external_doc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:83:1 [INFO] [stdout] | [INFO] [stdout] 83 | #![feature(maybe_uninit_uninit_array)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:84:1 [INFO] [stdout] | [INFO] [stdout] 84 | #![feature(maybe_uninit_extra)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44265 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/map.rs:50:45 [INFO] [stdout] | [INFO] [stdout] 50 | contents[i].write(f(unsafe { consumed[i].read() })); [INFO] [stdout] | ^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/zip.rs:60:49 [INFO] [stdout] | [INFO] [stdout] 60 | contents[i].write(f(unsafe { consumed_lhs[i].read() }, unsafe { consumed_rhs[i].read() })); [INFO] [stdout] | ^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/zip.rs:60:84 [INFO] [stdout] | [INFO] [stdout] 60 | contents[i].write(f(unsafe { consumed_lhs[i].read() }, unsafe { consumed_rhs[i].read() })); [INFO] [stdout] | ^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `higher_order_functions` [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" "1977bf726e8819504b667403a4f959ed41389f2194b5c34e95402366f4995c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1977bf726e8819504b667403a4f959ed41389f2194b5c34e95402366f4995c64", kill_on_drop: false }` [INFO] [stdout] 1977bf726e8819504b667403a4f959ed41389f2194b5c34e95402366f4995c64