[INFO] fetching crate alluxio-rs 0.1.1...
[INFO] checking alluxio-rs-0.1.1 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate alluxio-rs 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate alluxio-rs 0.1.1
[INFO] finished tweaking crates.io crate alluxio-rs 0.1.1
[INFO] tweaked toml for crates.io crate alluxio-rs 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alluxio-rs 0.1.1 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alluxio-rs 0.1.1 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url-escape v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa21cbd93351abce415319f43d2dd8cdc0aca29d49a860bd3b419b57aa0969e5
[INFO] running `Command { std: "docker" "start" "-a" "fa21cbd93351abce415319f43d2dd8cdc0aca29d49a860bd3b419b57aa0969e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa21cbd93351abce415319f43d2dd8cdc0aca29d49a860bd3b419b57aa0969e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa21cbd93351abce415319f43d2dd8cdc0aca29d49a860bd3b419b57aa0969e5", kill_on_drop: false }`
[INFO] [stdout] fa21cbd93351abce415319f43d2dd8cdc0aca29d49a860bd3b419b57aa0969e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775cd106602a938403134d00a58bcbcc2fc3c6e799635c2f3fc2df360c1cc1e7
[INFO] running `Command { std: "docker" "start" "-a" "775cd106602a938403134d00a58bcbcc2fc3c6e799635c2f3fc2df360c1cc1e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking tracing v0.1.40
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[INFO] [stderr]    Compiling thiserror-impl v1.0.50
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[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking alluxio-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/client.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub async fn close(&self, id: i64) -> Result<()> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]    --> src/client.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.post([STREAMS_PREFIX, &id.to_string(), CLOSE].join("/"), HashMap::new(), serde_json::Value::Null).await?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.post::<_, ()>([STREAMS_PREFIX, &id.to_string(), CLOSE].join("/"), HashMap::new(), serde_json::Value::Null).await?;
[INFO] [stdout]     |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/client.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub async fn close(&self, id: i64) -> Result<()> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]    --> src/client.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.post([STREAMS_PREFIX, &id.to_string(), CLOSE].join("/"), HashMap::new(), serde_json::Value::Null).await?;
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.post::<_, ()>([STREAMS_PREFIX, &id.to_string(), CLOSE].join("/"), HashMap::new(), serde_json::Value::Null).await?;
[INFO] [stdout]     |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     pub async fn create_directory(&self, path: &str, options: option::CreateDirectory) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.post([PATHS_PREFIX, path, CREATE_DIRECTORY].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.post::<_, ()>([PATHS_PREFIX, path, CREATE_DIRECTORY].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     pub async fn create_directory(&self, path: &str, options: option::CreateDirectory) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.post([PATHS_PREFIX, path, CREATE_DIRECTORY].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 10 |         self.post::<_, ()>([PATHS_PREFIX, path, CREATE_DIRECTORY].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub async fn delete(&self, path: &str, options: option::Delete) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.post([PATHS_PREFIX, path, DELETE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.post::<_, ()>([PATHS_PREFIX, path, DELETE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub async fn free(&self, path: &str, options: option::Free) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.post([PATHS_PREFIX, path, FREE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.post::<_, ()>([PATHS_PREFIX, path, FREE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub async fn delete(&self, path: &str, options: option::Delete) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.post([PATHS_PREFIX, path, DELETE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 20 |         self.post::<_, ()>([PATHS_PREFIX, path, DELETE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub async fn free(&self, path: &str, options: option::Free) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.post([PATHS_PREFIX, path, FREE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.post::<_, ()>([PATHS_PREFIX, path, FREE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub async fn mount(&self, path: &str, src: &str, options: option::Mount) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.post([PATHS_PREFIX, path, MOUNT].join("/"), params, options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.post::<_, ()>([PATHS_PREFIX, path, MOUNT].join("/"), params, options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub async fn rename(&self, path: &str, dst: &str, options: option::Rename) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.post([PATHS_PREFIX, path, RENAME].join("/"), params, options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.post::<_, ()>([PATHS_PREFIX, path, RENAME].join("/"), params, options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub async fn mount(&self, path: &str, src: &str, options: option::Mount) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.post([PATHS_PREFIX, path, MOUNT].join("/"), params, options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 47 |         self.post::<_, ()>([PATHS_PREFIX, path, MOUNT].join("/"), params, options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub async fn set_attribute(&self, path: &str, options: option::SetAttribute) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.post([PATHS_PREFIX, path, SET_ATTRIBUTE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.post::<_, ()>([PATHS_PREFIX, path, SET_ATTRIBUTE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub async fn unmount(&self, path: &str, options: option::Unmount) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.post([PATHS_PREFIX, path, UNMOUNT].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.post::<_, ()>([PATHS_PREFIX, path, UNMOUNT].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub async fn rename(&self, path: &str, dst: &str, options: option::Rename) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.post([PATHS_PREFIX, path, RENAME].join("/"), params, options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.post::<_, ()>([PATHS_PREFIX, path, RENAME].join("/"), params, options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub async fn set_attribute(&self, path: &str, options: option::SetAttribute) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.post([PATHS_PREFIX, path, SET_ATTRIBUTE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.post::<_, ()>([PATHS_PREFIX, path, SET_ATTRIBUTE].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/paths.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub async fn unmount(&self, path: &str, options: option::Unmount) -> Result<()> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Default` will fail
[INFO] [stdout]   --> src/paths.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.post([PATHS_PREFIX, path, UNMOUNT].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.post::<_, ()>([PATHS_PREFIX, path, UNMOUNT].join("/"), HashMap::new(), options).await?;
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alluxio-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "775cd106602a938403134d00a58bcbcc2fc3c6e799635c2f3fc2df360c1cc1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775cd106602a938403134d00a58bcbcc2fc3c6e799635c2f3fc2df360c1cc1e7", kill_on_drop: false }`
[INFO] [stdout] 775cd106602a938403134d00a58bcbcc2fc3c6e799635c2f3fc2df360c1cc1e7
