[INFO] fetching crate higher_order_functions 0.1.1... [INFO] checking higher_order_functions-0.1.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate higher_order_functions 0.1.1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate higher_order_functions 0.1.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a5756d5d641ae5b7cdf5dc79dc17769472a4a815734663d2717f28c6eea9727 [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" "1a5756d5d641ae5b7cdf5dc79dc17769472a4a815734663d2717f28c6eea9727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a5756d5d641ae5b7cdf5dc79dc17769472a4a815734663d2717f28c6eea9727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a5756d5d641ae5b7cdf5dc79dc17769472a4a815734663d2717f28c6eea9727", kill_on_drop: false }` [INFO] [stdout] 1a5756d5d641ae5b7cdf5dc79dc17769472a4a815734663d2717f28c6eea9727 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4648c60a75dbb68f22e7efdd992d2d0d8a03ec2f30c26ded18687136f0f2e770 [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" "4648c60a75dbb68f22e7efdd992d2d0d8a03ec2f30c26ded18687136f0f2e770", kill_on_drop: false }` [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking semver-parser v0.9.0 [INFO] [stderr] Checking higher_order_functions v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tinyvec v1.2.0 [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] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [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 3 previous errors; 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 `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" "4648c60a75dbb68f22e7efdd992d2d0d8a03ec2f30c26ded18687136f0f2e770", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4648c60a75dbb68f22e7efdd992d2d0d8a03ec2f30c26ded18687136f0f2e770", kill_on_drop: false }` [INFO] [stdout] 4648c60a75dbb68f22e7efdd992d2d0d8a03ec2f30c26ded18687136f0f2e770