[INFO] fetching crate loro 1.8.1...
[INFO] testing loro-1.8.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate loro 1.8.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate loro 1.8.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate loro 1.8.1
[INFO] tweaked toml for crates.io crate loro 1.8.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate loro 1.8.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate loro 1.8.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e12b47fb1231bcaff361d0e5e6261d481e874ec71e56d303ae56e4337e941bb8
[INFO] running `Command { std: "docker" "start" "-a" "e12b47fb1231bcaff361d0e5e6261d481e874ec71e56d303ae56e4337e941bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12b47fb1231bcaff361d0e5e6261d481e874ec71e56d303ae56e4337e941bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12b47fb1231bcaff361d0e5e6261d481e874ec71e56d303ae56e4337e941bb8", kill_on_drop: false }`
[INFO] [stdout] e12b47fb1231bcaff361d0e5e6261d481e874ec71e56d303ae56e4337e941bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6315d5a8b8093dda2a8c6c40b1ea30d6964ddec0b7e7ba3cbdbdda290037f7ba
[INFO] running `Command { std: "docker" "start" "-a" "6315d5a8b8093dda2a8c6c40b1ea30d6964ddec0b7e7ba3cbdbdda290037f7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling append-only-bytes v0.1.12
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling loro-thunderdome v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling arref v0.1.0
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling nonmax v0.5.5
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling lz4_flex v0.11.5
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling ensure-cov v0.1.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling generic-btree v0.10.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling loro-delta v1.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_arbitrary v1.4.2
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_columnar_derive v0.3.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling loro_fractional_index v1.6.0
[INFO] [stderr]    Compiling loro-rle v1.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stderr]    Compiling quick_cache v0.6.16
[INFO] [stderr]    Compiling serde_columnar v0.3.14
[INFO] [stderr]    Compiling loro-common v1.8.1
[INFO] [stderr]    Compiling loro-kv-store v1.8.1
[INFO] [stderr]    Compiling loro-internal v1.8.1
[INFO] [stderr]    Compiling loro v1.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/event.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout]    |                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout] 25 + pub type Subscriber = Arc<dyn for<'a> Fn(DiffEvent<'a>) + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.68s
[INFO] running `Command { std: "docker" "inspect" "6315d5a8b8093dda2a8c6c40b1ea30d6964ddec0b7e7ba3cbdbdda290037f7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6315d5a8b8093dda2a8c6c40b1ea30d6964ddec0b7e7ba3cbdbdda290037f7ba", kill_on_drop: false }`
[INFO] [stdout] 6315d5a8b8093dda2a8c6c40b1ea30d6964ddec0b7e7ba3cbdbdda290037f7ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a34da149646530ef5013ed35e5871c9b07772dd4ce0588f98c1730822f48927
[INFO] running `Command { std: "docker" "start" "-a" "3a34da149646530ef5013ed35e5871c9b07772dd4ce0588f98c1730822f48927", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling loro-kv-store v1.8.1
[INFO] [stderr]    Compiling generator v0.8.7
[INFO] [stderr]    Compiling loro-internal v1.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling loro v1.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/event.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout]    |                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout] 25 + pub type Subscriber = Arc<dyn for<'a> Fn(DiffEvent<'a>) + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]    --> tests/issue.rs:232:33
[INFO] [stdout]     |
[INFO] [stdout] 232 |     let decoded_bytes = base64::decode(base64).expect("base64 decode error");
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]  --> tests/issue.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     dev_utils::setup_test_log();
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]   --> tests/mov.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     dev_utils::setup_test_log();
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loro` (test "mov") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `loro` (test "issue") due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0432]: unresolved import `dev_utils`
[INFO] [stdout]  --> tests/loro_rust_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use dev_utils::ByteSize;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/event.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout]    |                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 - pub type Subscriber = Arc<dyn (for<'a> Fn(DiffEvent<'a>)) + Send + Sync>;
[INFO] [stdout] 25 + pub type Subscriber = Arc<dyn for<'a> Fn(DiffEvent<'a>) + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]   --> tests/loro_rust_test.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     dev_utils::setup_test_log();
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]     --> tests/loro_rust_test.rs:1617:35
[INFO] [stdout]      |
[INFO] [stdout] 1617 |     println!("Update bytes {:?}", dev_utils::ByteSize(bytes.len()));
[INFO] [stdout]      |                                   ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]     --> tests/loro_rust_test.rs:3261:15
[INFO] [stdout]      |
[INFO] [stdout] 3261 |     let mem = dev_utils::get_mem_usage();
[INFO] [stdout]      |               ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]     --> tests/loro_rust_test.rs:3273:9
[INFO] [stdout]      |
[INFO] [stdout] 3273 |         dev_utils::get_mem_usage() < mem + ByteSize(2_000_000),
[INFO] [stdout]      |         ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]     --> tests/loro_rust_test.rs:3275:9
[INFO] [stdout]      |
[INFO] [stdout] 3275 |         dev_utils::get_mem_usage() - mem
[INFO] [stdout]      |         ^^^^^^^^^ use of unresolved module or unlinked crate `dev_utils`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `dev_utils`, use `cargo add dev_utils` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loro` (test "loro_rust_test") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "3a34da149646530ef5013ed35e5871c9b07772dd4ce0588f98c1730822f48927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a34da149646530ef5013ed35e5871c9b07772dd4ce0588f98c1730822f48927", kill_on_drop: false }`
[INFO] [stdout] 3a34da149646530ef5013ed35e5871c9b07772dd4ce0588f98c1730822f48927