[INFO] cloning repository https://github.com/George-Miao/UpGrid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/George-Miao/UpGrid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FUpGrid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FUpGrid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8417336fc5d7f56924c21225a4af4685b950925e
[INFO] checking George-Miao/UpGrid against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FUpGrid" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/George-Miao/UpGrid
[INFO] finished tweaking git repo https://github.com/George-Miao/UpGrid
[INFO] tweaked toml for git repo https://github.com/George-Miao/UpGrid written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/George-Miao/UpGrid on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/George-Miao/UpGrid 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: patch `compio-dispatcher v0.7.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-process v0.5.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-signal v0.6.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-tls v0.6.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] help: Check that the patched package version and available features are compatible
[INFO] [stderr]       with the dependency requirements. If the patch has a different version from
[INFO] [stderr]       what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr]       version. This may also occur with an optional dependency that is not enabled.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c53a9221edd7aca5439c9b1288aa0fc695fcab8e14675f1e42f96a6249cc3d
[INFO] running `Command { std: "docker" "start" "-a" "66c53a9221edd7aca5439c9b1288aa0fc695fcab8e14675f1e42f96a6249cc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c53a9221edd7aca5439c9b1288aa0fc695fcab8e14675f1e42f96a6249cc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c53a9221edd7aca5439c9b1288aa0fc695fcab8e14675f1e42f96a6249cc3d", kill_on_drop: false }`
[INFO] [stdout] 66c53a9221edd7aca5439c9b1288aa0fc695fcab8e14675f1e42f96a6249cc3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e2f1230354d8aee997cd42bc776e8e74e8112194a4e46eae5528f44a5aca95
[INFO] running `Command { std: "docker" "start" "-a" "99e2f1230354d8aee997cd42bc776e8e74e8112194a4e46eae5528f44a5aca95", kill_on_drop: false }`
[INFO] [stderr] warning: patch `compio-dispatcher v0.7.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-process v0.5.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-signal v0.6.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] warning: patch `compio-tls v0.6.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)` was not used in the crate graph
[INFO] [stderr] help: Check that the patched package version and available features are compatible
[INFO] [stderr]       with the dependency requirements. If the patch has a different version from
[INFO] [stderr]       what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr]       version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling io-uring v0.7.9
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling compio-driver v0.8.1 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking compio-buf v0.6.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling compio-fs v0.8.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking os_pipe v1.2.2
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling n0-future v0.2.0
[INFO] [stderr]     Checking cordyceps v0.3.4
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking diatomic-waker v0.2.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking futures-buffered v0.2.12
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking byte-unit v5.1.6
[INFO] [stderr]    Compiling compio-quic v0.4.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking lru-slab v0.1.2
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking pem v3.0.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking io_uring_buf_ring v0.2.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking quick_cache v0.6.16
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]     Checking rcgen v0.14.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling compio-macros v0.1.2 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]    Compiling openraft-macros v0.10.0 (https://github.com/George-Miao/openraft.git#c4a47d1a)
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling tarpc-plugins v0.14.1 (https://github.com/George-Miao/tarpc.git#de2ec9b1)
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking compio-log v0.1.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking opentelemetry v0.30.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking snafu v0.8.6
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking quinn-proto v0.11.12
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking compio-io v0.7.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking opentelemetry_sdk v0.30.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.31.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking compio-runtime v0.8.1 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking compio-net v0.8.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking compio v0.15.0 (https://github.com/compio-rs/compio.git?branch=fix%2Fframed-io#2f498283)
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking anyerror v0.1.13
[INFO] [stderr]     Checking postcard v1.1.3
[INFO] [stderr]     Checking tarpc v0.36.0 (https://github.com/George-Miao/tarpc.git#de2ec9b1)
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking uuid v1.18.0
[INFO] [stderr]     Checking validit v0.2.4
[INFO] [stderr]     Checking openraft v0.10.0 (https://github.com/George-Miao/openraft.git#c4a47d1a)
[INFO] [stderr]     Checking openraft-rt-compio v0.10.0 (https://github.com/George-Miao/openraft.git#c4a47d1a)
[INFO] [stderr]     Checking upgrid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/node.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Node {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `join`, and `start_cluster` are never used
[INFO] [stdout]    --> src/node.rs:30:18
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl Node {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  30 |     pub async fn new<U, E>(advertise_url: U) -> Result<Self>
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub async fn join<U, E>(&self, remote: U) -> Result<()>
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub async fn start_cluster(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InMemStore` is never constructed
[INFO] [stdout]   --> src/storage.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct InMemStore<C: RaftTypeConfig> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/storage.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<C: RaftTypeConfig> InMemStore<C> {
[INFO] [stdout]    | ------------------------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InMemStoreInner` is never constructed
[INFO] [stdout]   --> src/storage.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct InMemStoreInner<C: RaftTypeConfig> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/storage.rs:52:14
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<C: RaftTypeConfig> InMemStoreInner<C> {
[INFO] [stdout]     | ------------------------------------------ methods in this implementation
[INFO] [stdout]  52 |     async fn try_get_log_entries<RB: RangeBounds<u64> + Clone + Debug>(
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     async fn get_log_state(&mut self) -> Result<LogState<C>, StorageError<C>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     async fn save_committed(
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     async fn read_committed(&mut self) -> Result<Option<LogIdOf<C>>, StorageError<C>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     async fn save_vote(&mut self, vote: &VoteOf<C>) -> Result<(), StorageError<C>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     async fn read_vote(&mut self) -> Result<Option<VoteOf<C>>, StorageError<C>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     async fn append<I>(&mut self, entries: I, callback: IOFlushed<C>) -> Result<(), StorageError<C>>
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     async fn truncate(&mut self, log_id: LogIdOf<C>) -> Result<(), StorageError<C>> {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     async fn purge(&mut self, log_id: LogIdOf<C>) -> Result<(), StorageError<C>> {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SkipServerVerification` is never constructed
[INFO] [stdout]   --> src/utils.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SkipServerVerification(CryptoProvider);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/utils.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl SkipServerVerification {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new() -> Arc<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unsafe_endpoint` is never used
[INFO] [stdout]   --> src/utils.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub async fn unsafe_endpoint(host: String, port: u16) -> Result<Endpoint> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delay` is never used
[INFO] [stdout]    --> src/utils.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn delay<F: Future<Output = ()> + 'static>(duration: Duration, fut: F) -> JoinHandle<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delay` is never used
[INFO] [stdout]    --> src/utils.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn delay<F: Future<Output = ()> + 'static>(duration: Duration, fut: F) -> JoinHandle<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/test.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     bi_tx.finish();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let _ = bi_tx.finish();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.39s
[INFO] running `Command { std: "docker" "inspect" "99e2f1230354d8aee997cd42bc776e8e74e8112194a4e46eae5528f44a5aca95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e2f1230354d8aee997cd42bc776e8e74e8112194a4e46eae5528f44a5aca95", kill_on_drop: false }`
[INFO] [stdout] 99e2f1230354d8aee997cd42bc776e8e74e8112194a4e46eae5528f44a5aca95
