[INFO] fetching crate hypernonsense 1.0.1...
[INFO] checking hypernonsense-1.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate hypernonsense 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hypernonsense 1.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hypernonsense 1.0.1
[INFO] finished tweaking crates.io crate hypernonsense 1.0.1
[INFO] tweaked toml for crates.io crate hypernonsense 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fceb7be53e2b38a198347d87f12cac6f199ebde17a2d3da974246b6d2820281
[INFO] running `"docker" "start" "-a" "8fceb7be53e2b38a198347d87f12cac6f199ebde17a2d3da974246b6d2820281"`
[INFO] [stderr]     Checking hypernonsense v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `modified_cosine_distance`
[INFO] [stderr]   --> src/vector.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn modified_cosine_distance(a: &Vec<f32>, b: &Vec<f32>) -> f32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `groups_len` found for type `multiindex::MultiIndex<usize>` in the current scope
[INFO] [stderr]    --> src/multiindex.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 15  | pub struct MultiIndex<K:Send> {
[INFO] [stderr]     | ----------------------------- method `groups_len` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 126 |         assert_eq!(0, a.groups_len());
[INFO] [stderr]     |                         ^^^^^^^^^^ method not found in `multiindex::MultiIndex<usize>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `hypernonsense`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8fceb7be53e2b38a198347d87f12cac6f199ebde17a2d3da974246b6d2820281"`
[INFO] running `"docker" "rm" "-f" "8fceb7be53e2b38a198347d87f12cac6f199ebde17a2d3da974246b6d2820281"`
[INFO] [stdout] 8fceb7be53e2b38a198347d87f12cac6f199ebde17a2d3da974246b6d2820281