[INFO] fetching crate hakodb 0.16.6...
[INFO] checking hakodb-0.16.6 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate hakodb 0.16.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate hakodb 0.16.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate hakodb 0.16.6
[INFO] tweaked toml for crates.io crate hakodb 0.16.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hakodb 0.16.6 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hakodb 0.16.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f
[INFO] running `Command { std: "docker" "start" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hakodb v0.16.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/ffi_vector.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let eng = unsafe { hk_engine_open(path.as_ptr()) };
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/ffi_vector.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         unsafe { hk_engine_await_quiescent(eng, 60_000) },
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/ffi_vector.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     unsafe { hk_engine_find_near(eng, col.as_ptr(), fld.as_ptr(), q.as_ptr(), q.len(), k) }
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/ffi_vector.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     unsafe { hk_string_free(ptr) };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/issue71_ffi_surface.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let eng = unsafe { hk_engine_open(path.as_ptr()) };
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/issue71_ffi_surface.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |     assert!(unsafe { hk_engine_await_quiescent(eng, 60_000) }, "never quiescent");
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/issue71_ffi_surface.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let p = unsafe { hk_last_error() };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/issue71_ffi_surface.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     unsafe { hk_string_free(p) };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let q = unsafe { hk_query_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let rc = unsafe { hk_query_where_elem_match(q, cstr("items").as_ptr(), filters.as_ptr()) };
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let rows = take_json(unsafe { hk_query_execute(eng, q) });
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let rc = unsafe { hk_query_where_elem_match(q, cstr("items").as_ptr(), empty.as_ptr()) };
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let all = unsafe { hk_query_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let rc = unsafe { hk_query_where_array_all_eq(all, cstr("tags").as_ptr(), cstr("\"x\"").as_ptr()) };
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:124:26
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let rows = take_json(unsafe { hk_query_execute(eng, all) });
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let p = unsafe { hk_pipeline_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:143:16
[INFO] [stdout]     |
[INFO] [stdout] 143 |     assert_eq!(unsafe { hk_pipeline_unwind(p, cstr("items").as_ptr()) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         unsafe { hk_pipeline_group(p, cstr("items.sku").as_ptr(), accums.as_ptr()) },
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:151:16
[INFO] [stdout]     |
[INFO] [stdout] 151 |     assert_eq!(unsafe { hk_pipeline_sort(p, cstr("total").as_ptr(), false) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:152:16
[INFO] [stdout]     |
[INFO] [stdout] 152 |     assert_eq!(unsafe { hk_pipeline_limit(p, 2) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:154:26
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let rows = take_json(unsafe { hk_pipeline_execute(eng, p) });
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let rs = unsafe { hk_pipeline_execute_to_handles(eng, p) };
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:165:16
[INFO] [stdout]     |
[INFO] [stdout] 165 |     assert_eq!(unsafe { hk_result_set_count(rs) }, 2);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let q = unsafe { hk_query_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:180:14
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let rc = unsafe { hk_query_where_elem_match(q, cstr("items").as_ptr(), cstr(r#"[{"field":"sku","op":"eq","value":"C"}]"#).as_pt...
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let p = unsafe { hk_pipeline_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |     assert_eq!(unsafe { hk_pipeline_match(p, q) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:185:26
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let rows = take_json(unsafe { hk_pipeline_execute(eng, p) });
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:203:15
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let doc = unsafe { hk_doc_new() };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     unsafe { hk_doc_insert_int(doc, cstr("n").as_ptr(), 1) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         unsafe { hk_engine_insert(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), doc) },
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     unsafe { hk_doc_free(doc) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:214:15
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let got = unsafe { hk_engine_get_versioned(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), &mut v1) };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     unsafe { hk_doc_free(got) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:220:18
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let absent = unsafe {
[INFO] [stdout]     |                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:226:15
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let doc = unsafe { hk_doc_new() };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     unsafe { hk_doc_insert_int(doc, cstr("n").as_ptr(), 2) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:228:16
[INFO] [stdout]     |
[INFO] [stdout] 228 |     assert_eq!(unsafe { hk_engine_insert(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), doc) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     unsafe { hk_doc_free(doc) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:231:15
[INFO] [stdout]     |
[INFO] [stdout] 231 |     let got = unsafe { hk_engine_get_versioned(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), &mut v2) };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     unsafe { hk_doc_free(got) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:236:14
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let tx = unsafe { hk_transaction_begin(eng) };
[INFO] [stdout]     |              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:238:26
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let many = take_json(unsafe {
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         unsafe { hk_transaction_patch(eng, tx, cstr("c").as_ptr(), cstr("a").as_ptr(), cstr(r#"{"n":42}"#).as_ptr()) },
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:249:16
[INFO] [stdout]     |
[INFO] [stdout] 249 |     assert_eq!(unsafe { hk_transaction_commit(eng, tx) }, 0, "{}", last_error());
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     unsafe { hk_transaction_free(tx) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:253:15
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let got = unsafe { hk_engine_get_versioned(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), &mut v3) };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:255:26
[INFO] [stdout]     |
[INFO] [stdout] 255 |     let json = take_json(unsafe { hk_doc_to_json(got) });
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:257:5
[INFO] [stdout]     |
[INFO] [stdout] 257 |     unsafe { hk_doc_free(got) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let tx1 = unsafe { hk_transaction_begin(eng) };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:261:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let seen = unsafe { hk_transaction_get(eng, tx1, cstr("c").as_ptr(), cstr("a").as_ptr()) };
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 263 |     unsafe { hk_doc_free(seen) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let doc = unsafe { hk_doc_new() };
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 |     unsafe { hk_doc_insert_int(doc, cstr("n").as_ptr(), 3) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:266:16
[INFO] [stdout]     |
[INFO] [stdout] 266 |     assert_eq!(unsafe { hk_engine_insert(eng, cstr("c").as_ptr(), cstr("a").as_ptr(), doc) }, 0);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     unsafe { hk_doc_free(doc) };
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         unsafe { hk_transaction_patch(eng, tx1, cstr("c").as_ptr(), cstr("a").as_ptr(), cstr(r#"{"n":99}"#).as_ptr()) },
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:272:16
[INFO] [stdout]     |
[INFO] [stdout] 272 |     assert_eq!(unsafe { hk_transaction_commit(eng, tx1) }, -1, "stale read-set must conflict");
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |     assert!(unsafe { hk_error_is_retryable() }, "kind {}", unsafe { hk_error_last_kind() });
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:273:60
[INFO] [stdout]     |
[INFO] [stdout] 273 |     assert!(unsafe { hk_error_is_retryable() }, "kind {}", unsafe { hk_error_last_kind() });
[INFO] [stdout]     |                                                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:274:16
[INFO] [stdout]     |
[INFO] [stdout] 274 |     assert_eq!(unsafe { hk_error_last_kind() }, 2);
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |     let q = unsafe { hk_query_new(cstr("orders").as_ptr()) };
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:322:28
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let report = take_json(unsafe { hk_query_explain(eng, q) });
[INFO] [stdout]     |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> tests/issue71_ffi_surface.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 329 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hakodb::index::vector::Metric`
[INFO] [stdout]   --> tests/socket_sync.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use hakodb::index::vector::Metric;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]    --> tests/issue71_unique.rs:367:80
[INFO] [stdout]     |
[INFO] [stdout] 367 |         let hits = db.query(Query::new("ryw").where_eq("region", Value::String(r.into()))).unwrap();
[INFO] [stdout]     |                                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 367 -         let hits = db.query(Query::new("ryw").where_eq("region", Value::String(r.into()))).unwrap();
[INFO] [stdout] 367 +         let hits = db.query(Query::new("ryw").where_eq("region", Value::String(r))).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 367 -         let hits = db.query(Query::new("ryw").where_eq("region", Value::String(r.into()))).unwrap();
[INFO] [stdout] 367 +         let hits = db.query(Query::new("ryw").where_eq("region", Value::String(<std::string::String as Into<_>>::into(r)))).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hakodb` (test "issue71_unique") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f", kill_on_drop: false }`
[INFO] [stdout] 9e9106ca21cf71c5dfa12a72efb86c8f5b52687f3d89d0d15edf462e34d5ed6f
