[INFO] fetching crate blasters 0.1.0... [INFO] checking blasters-0.1.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate blasters 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate blasters 0.1.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate blasters 0.1.0 [INFO] finished tweaking crates.io crate blasters 0.1.0 [INFO] tweaked toml for crates.io crate blasters 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fc1ce005cc7f7d5fa9e8162008d99e17069c360f8e8b91df5f66a137b8fe019 [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" "8fc1ce005cc7f7d5fa9e8162008d99e17069c360f8e8b91df5f66a137b8fe019", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fc1ce005cc7f7d5fa9e8162008d99e17069c360f8e8b91df5f66a137b8fe019", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc1ce005cc7f7d5fa9e8162008d99e17069c360f8e8b91df5f66a137b8fe019", kill_on_drop: false }` [INFO] [stdout] 8fc1ce005cc7f7d5fa9e8162008d99e17069c360f8e8b91df5f66a137b8fe019 [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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a182c10f48c7290a3de38d04c6cdabd7bbd85f9ebe6291c0b6177a2c15b5191 [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" "9a182c10f48c7290a3de38d04c6cdabd7bbd85f9ebe6291c0b6177a2c15b5191", kill_on_drop: false }` [INFO] [stderr] Checking optimath v0.1.0 [INFO] [stdout] error: `default` is only allowed on items in `impl` definitions [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/optimath-0.1.0/src/advanced.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | pub default fn matrix_multiply( [INFO] [stdout] | ^ ------- `default` because of this [INFO] [stdout] | _____| [INFO] [stdout] | | [INFO] [stdout] 21 | | &'a self, [INFO] [stdout] 22 | | other: &'b Matrix, [INFO] [stdout] 23 | | ) -> Matrix { [INFO] [stdout] ... | [INFO] [stdout] 40 | | output [INFO] [stdout] 41 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `default` is only allowed on items in `impl` definitions [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/optimath-0.1.0/src/advanced.rs:49:2 [INFO] [stdout] | [INFO] [stdout] 49 | pub default fn dot(self, other: &'b Vector) -> T { (self * other).into_iter().sum() } [INFO] [stdout] | ^^^^-------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `default` because of this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for reference `&MaybeUninit` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/optimath-0.1.0/src/types.rs:87:57 [INFO] [stdout] | [INFO] [stdout] 87 | let out = unsafe { self.data.get_unchecked(self.pos).read() }; [INFO] [stdout] | ^^^^ method not found in `&MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read` found for reference `&MaybeUninit` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/optimath-0.1.0/src/types.rs:99:47 [INFO] [stdout] | [INFO] [stdout] 99 | unsafe { self.data.get_unchecked(self.pos).read() }; [INFO] [stdout] | ^^^^ method not found in `&MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `optimath` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "9a182c10f48c7290a3de38d04c6cdabd7bbd85f9ebe6291c0b6177a2c15b5191", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a182c10f48c7290a3de38d04c6cdabd7bbd85f9ebe6291c0b6177a2c15b5191", kill_on_drop: false }` [INFO] [stdout] 9a182c10f48c7290a3de38d04c6cdabd7bbd85f9ebe6291c0b6177a2c15b5191