[INFO] fetching crate array-helpers 0.0.1... [INFO] checking array-helpers-0.0.1 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] extracting crate array-helpers 0.0.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate array-helpers 0.0.1 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate array-helpers 0.0.1 [INFO] finished tweaking crates.io crate array-helpers 0.0.1 [INFO] tweaked toml for crates.io crate array-helpers 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6448d87eddf3a524150390838a7620f709c983bc14b25ea279a6d64255232b82 [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" "6448d87eddf3a524150390838a7620f709c983bc14b25ea279a6d64255232b82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6448d87eddf3a524150390838a7620f709c983bc14b25ea279a6d64255232b82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6448d87eddf3a524150390838a7620f709c983bc14b25ea279a6d64255232b82", kill_on_drop: false }` [INFO] [stdout] 6448d87eddf3a524150390838a7620f709c983bc14b25ea279a6d64255232b82 [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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07c2dcbdf79b211cf31448b2ca49b534d7e8f7f501608dc9cbaca7f4a9c4a19b [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" "07c2dcbdf79b211cf31448b2ca49b534d7e8f7f501608dc9cbaca7f4a9c4a19b", kill_on_drop: false }` [INFO] [stderr] Checking array-helpers v0.0.1 (/opt/rustwide/workdir) [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:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![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] = help: consider using `min_const_generics` instead, which is more stable and complete [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:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![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] = help: consider using `min_const_generics` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:351:65 [INFO] [stdout] | [INFO] [stdout] 351 | let mut arr = push_maybe_uninit(MaybeUninit::new(self)).map(push_maybe_uninit); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `Array::map(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_map)]` to the crate attributes to enable `array::::map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:351:65 [INFO] [stdout] | [INFO] [stdout] 351 | let mut arr = push_maybe_uninit(MaybeUninit::new(self)).map(push_maybe_uninit); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `Array::map(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_map)]` to the crate attributes to enable `array::::map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/into_iter.rs:91:43 [INFO] [stdout] | [INFO] [stdout] 91 | arr[i] = MaybeUninit::new(self.arr[i].get_ref().clone()) [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/into_iter.rs:91:43 [INFO] [stdout] | [INFO] [stdout] 91 | arr[i] = MaybeUninit::new(self.arr[i].get_ref().clone()) [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `array-helpers` [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" "07c2dcbdf79b211cf31448b2ca49b534d7e8f7f501608dc9cbaca7f4a9c4a19b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07c2dcbdf79b211cf31448b2ca49b534d7e8f7f501608dc9cbaca7f4a9c4a19b", kill_on_drop: false }` [INFO] [stdout] 07c2dcbdf79b211cf31448b2ca49b534d7e8f7f501608dc9cbaca7f4a9c4a19b