[INFO] cloning repository https://github.com/sj4nes/boxdrop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sj4nes/boxdrop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsj4nes%2Fboxdrop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsj4nes%2Fboxdrop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c861b58528560bc63d8d479211656ee0a687045f
[INFO] building sj4nes/boxdrop against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsj4nes%2Fboxdrop" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sj4nes/boxdrop
[INFO] finished tweaking git repo https://github.com/sj4nes/boxdrop
[INFO] tweaked toml for git repo https://github.com/sj4nes/boxdrop written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sj4nes/boxdrop on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sj4nes/boxdrop 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-musl.rustflags
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.4
[INFO] [stderr]   Downloaded libredox v0.1.4
[INFO] [stderr]   Downloaded kqueue v1.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339cb4ad30a4bdafe04efd39d2fed8449d9c9b0f059ef7814805b7af1546a364
[INFO] running `Command { std: "docker" "start" "-a" "339cb4ad30a4bdafe04efd39d2fed8449d9c9b0f059ef7814805b7af1546a364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339cb4ad30a4bdafe04efd39d2fed8449d9c9b0f059ef7814805b7af1546a364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339cb4ad30a4bdafe04efd39d2fed8449d9c9b0f059ef7814805b7af1546a364", kill_on_drop: false }`
[INFO] [stdout] 339cb4ad30a4bdafe04efd39d2fed8449d9c9b0f059ef7814805b7af1546a364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 123c650d9dc40e0ce820864b5920c434a84c8bf091904c364f02cd6ebe51622f
[INFO] running `Command { std: "docker" "start" "-a" "123c650d9dc40e0ce820864b5920c434a84c8bf091904c364f02cd6ebe51622f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-musl.rustflags
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling tokio v1.46.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling async-trait v0.1.88
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[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling rust-ini v0.20.0
[INFO] [stderr]    Compiling yaml-rust2 v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tui v0.19.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling config v0.14.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling inotify v0.10.2
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling boxdrop-sync-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `access_token` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct DropboxClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout]  9 |     pub(crate) client: Client,
[INFO] [stdout] 10 |     access_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DropboxError {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 17 |     error_summary: String,
[INFO] [stdout] 18 |     error: DropboxErrorDetail,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag` and `reason` are never read
[INFO] [stdout]   --> src/dropbox/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct DropboxErrorDetail {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 23 |     #[serde(rename = ".tag")]
[INFO] [stdout] 24 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     reason: Option<DropboxErrorReason>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorDetail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct DropboxErrorReason {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 30 |     #[serde(rename = ".tag")]
[INFO] [stdout] 31 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `client` and `config` are never read
[INFO] [stdout]  --> src/sync/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SyncEngine {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     client: DropboxClient,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     config: ConfigManager,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout] 12 +     fn download_file(&self, path: &str) -> impl std::future::Future<Output = Result<Vec<u8>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 15 -     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout] 15 +     fn upload_file(&self, path: &str, content: &[u8]) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.06s
[INFO] running `Command { std: "docker" "inspect" "123c650d9dc40e0ce820864b5920c434a84c8bf091904c364f02cd6ebe51622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123c650d9dc40e0ce820864b5920c434a84c8bf091904c364f02cd6ebe51622f", kill_on_drop: false }`
[INFO] [stdout] 123c650d9dc40e0ce820864b5920c434a84c8bf091904c364f02cd6ebe51622f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5995b824f565b5ba8037bcb01ad83760e4dd11d2483301d8f6701bbaa2377a7
[INFO] running `Command { std: "docker" "start" "-a" "f5995b824f565b5ba8037bcb01ad83760e4dd11d2483301d8f6701bbaa2377a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-musl.rustflags
[INFO] [stderr]    Compiling tokio v1.46.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling config v0.14.1
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling inotify v0.10.2
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling boxdrop-sync-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `access_token` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct DropboxClient {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout]  9 |     pub(crate) client: Client,
[INFO] [stdout] 10 |     access_token: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DropboxError {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 17 |     error_summary: String,
[INFO] [stdout] 18 |     error: DropboxErrorDetail,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag` and `reason` are never read
[INFO] [stdout]   --> src/dropbox/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct DropboxErrorDetail {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 23 |     #[serde(rename = ".tag")]
[INFO] [stdout] 24 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     reason: Option<DropboxErrorReason>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorDetail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct DropboxErrorReason {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 30 |     #[serde(rename = ".tag")]
[INFO] [stdout] 31 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `client` and `config` are never read
[INFO] [stdout]  --> src/sync/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SyncEngine {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     client: DropboxClient,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     config: ConfigManager,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout] 12 +     fn download_file(&self, path: &str) -> impl std::future::Future<Output = Result<Vec<u8>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 15 -     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout] 15 +     fn upload_file(&self, path: &str, content: &[u8]) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::TempDir`
[INFO] [stdout]    --> src/dropbox/operations.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use tempfile::TempDir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]    --> src/dropbox/operations.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/dropbox/operations.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::TempDir`
[INFO] [stdout]    --> src/config/manager.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     use tempfile::TempDir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DropboxError {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 17 |     error_summary: String,
[INFO] [stdout] 18 |     error: DropboxErrorDetail,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag` and `reason` are never read
[INFO] [stdout]   --> src/dropbox/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct DropboxErrorDetail {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 23 |     #[serde(rename = ".tag")]
[INFO] [stdout] 24 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     reason: Option<DropboxErrorReason>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorDetail` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/dropbox/client.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct DropboxErrorReason {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 30 |     #[serde(rename = ".tag")]
[INFO] [stdout] 31 |     tag: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DropboxErrorReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `client` and `config` are never read
[INFO] [stdout]  --> src/sync/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SyncEngine {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     client: DropboxClient,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     config: ConfigManager,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 12 -     async fn download_file(&self, path: &str) -> Result<Vec<u8>>;
[INFO] [stdout] 12 +     fn download_file(&self, path: &str) -> impl std::future::Future<Output = Result<Vec<u8>>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/dropbox/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 15 -     async fn upload_file(&self, path: &str, content: &[u8]) -> Result<()>;
[INFO] [stdout] 15 +     fn upload_file(&self, path: &str, content: &[u8]) -> impl std::future::Future<Output = Result<()>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/dropbox/operations.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         format!("{:?}", no_conflict);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 292 |         let _ = format!("{:?}", no_conflict);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/dropbox/operations.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         format!("{:?}", conflict);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let _ = format!("{:?}", conflict);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::hint::must_use` that must be used
[INFO] [stdout]    --> src/dropbox/operations.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         format!("{:?}", error);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let _ = format!("{:?}", error);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `Command { std: "docker" "inspect" "f5995b824f565b5ba8037bcb01ad83760e4dd11d2483301d8f6701bbaa2377a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5995b824f565b5ba8037bcb01ad83760e4dd11d2483301d8f6701bbaa2377a7", kill_on_drop: false }`
[INFO] [stdout] f5995b824f565b5ba8037bcb01ad83760e4dd11d2483301d8f6701bbaa2377a7
