[INFO] crate nip_core 0.1.0 is already in cache
[INFO] extracting crate nip_core 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/nip_core/0.1.0
[INFO] extracting crate nip_core 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nip_core/0.1.0
[INFO] validating manifest of nip_core-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nip_core-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nip_core-0.1.0
[INFO] finished frobbing nip_core-0.1.0
[INFO] frobbed toml for nip_core-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/nip_core/0.1.0/Cargo.toml
[INFO] started frobbing nip_core-0.1.0
[INFO] finished frobbing nip_core-0.1.0
[INFO] frobbed toml for nip_core-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nip_core/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting nip_core-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/nip_core/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 418116ff304e9faa55626ef75626c3830ca01343cc5d2d54704595cb5ddc6663
[INFO] running `"docker" "start" "-a" "418116ff304e9faa55626ef75626c3830ca01343cc5d2d54704595cb5ddc6663"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking hyper-multipart-rfc7578 v0.2.0-alpha2
[INFO] [stderr]     Checking ipfs-api v0.5.0-alpha2
[INFO] [stderr]     Checking nip_core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/index.rs:132:20
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 if missing_objects.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!missing_objects.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/index.rs:132:20
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 if missing_objects.len() > 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!missing_objects.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/remote.rs:137:15
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match bs_hash.clone().parse::<NIPRemote>() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match &(*bs_hash).clone().parse::<NIPRemote>() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match &str::clone(bs_hash).parse::<NIPRemote>() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `nip_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "418116ff304e9faa55626ef75626c3830ca01343cc5d2d54704595cb5ddc6663"`
[INFO] running `"docker" "rm" "-f" "418116ff304e9faa55626ef75626c3830ca01343cc5d2d54704595cb5ddc6663"`
[INFO] [stdout] 418116ff304e9faa55626ef75626c3830ca01343cc5d2d54704595cb5ddc6663