[INFO] fetching crate nydus-storage 0.7.0...
[INFO] building nydus-storage-0.7.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nydus-storage 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nydus-storage 0.7.0
[INFO] finished tweaking crates.io crate nydus-storage 0.7.0
[INFO] tweaked toml for crates.io crate nydus-storage 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nydus-storage 0.7.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nydus-storage 0.7.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d12d7e734f3df8312fddcb3fa1ef2acbc94b5fc30cd7dbfe2d4775189b75db
[INFO] running `Command { std: "docker" "start" "-a" "a7d12d7e734f3df8312fddcb3fa1ef2acbc94b5fc30cd7dbfe2d4775189b75db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d12d7e734f3df8312fddcb3fa1ef2acbc94b5fc30cd7dbfe2d4775189b75db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d12d7e734f3df8312fddcb3fa1ef2acbc94b5fc30cd7dbfe2d4775189b75db", kill_on_drop: false }`
[INFO] [stdout] a7d12d7e734f3df8312fddcb3fa1ef2acbc94b5fc30cd7dbfe2d4775189b75db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c1cd8b107066b9803f7a45a621d56a37779b0e03bbe1bc86c36103226de11d
[INFO] running `Command { std: "docker" "start" "-a" "65c1cd8b107066b9803f7a45a621d56a37779b0e03bbe1bc86c36103226de11d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
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[INFO] [stderr]    Compiling openssl-sys v0.9.107
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[INFO] [stderr]    Compiling serde_derive v1.0.217
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[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling caps v0.5.5
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[INFO] [stderr]    Compiling flate2 v1.0.35
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[INFO] [stderr]    Compiling nydus-utils v0.5.0
[INFO] [stderr]    Compiling nydus-storage v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/cache/cachedfile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/dummycache.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn backend(&self) -> &(dyn BlobBackend) {
[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] 214 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 214 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/filecache/mod.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/filecache/mod.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 162 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/fscache/mod.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/fscache/mod.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 157 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/mod.rs:661:27
[INFO] [stdout]     |
[INFO] [stdout] 661 |     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 661 -     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout] 661 +     fn backend(&self) -> &dyn BlobBackend;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HttpProxyConfig`, `LocalDiskConfig`, `LocalFsConfig`, `OssConfig`, `RegistryConfig`, and `S3Config`
[INFO] [stdout]   --> src/factory.rs:21:60
[INFO] [stdout]    |
[INFO] [stdout] 21 |     default_user_io_batch_size, BackendConfigV2, ConfigV2, HttpProxyConfig, LocalDiskConfig,
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     LocalFsConfig, OssConfig, RegistryConfig, S3Config,
[INFO] [stdout]    |     ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_info`
[INFO] [stdout]    --> src/cache/cachedfile.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let blob_info = self.blob_info.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/cache/cachedfile.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let file_path = self.file_path.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cas_mgr`
[INFO] [stdout]    --> src/cache/cachedfile.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let cas_mgr = self.cas_mgr.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cas_mgr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cache/cachedfile.rs:1077:17
[INFO] [stdout]      |
[INFO] [stdout] 1077 |             let mut is_ready = match self.chunk_map.check_ready_and_mark_pending(chunk.as_ref()) {
[INFO] [stdout]      |                 ----^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/factory.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         content: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_id`
[INFO] [stdout]    --> src/factory.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         blob_id: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut> {
[INFO] [stdout]     |                    ^^^^^^^^^                          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:292:24
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice] {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |         | |
[INFO] [stdout]     |                        |         | the same lifetime is hidden here
[INFO] [stdout]     |                        |         the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice<'_>] {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `Command { std: "docker" "inspect" "65c1cd8b107066b9803f7a45a621d56a37779b0e03bbe1bc86c36103226de11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c1cd8b107066b9803f7a45a621d56a37779b0e03bbe1bc86c36103226de11d", kill_on_drop: false }`
[INFO] [stdout] 65c1cd8b107066b9803f7a45a621d56a37779b0e03bbe1bc86c36103226de11d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cb63f665f89d04859971ed8e378574d63e69f1f0e5f923115e207cf80bafeeb
[INFO] running `Command { std: "docker" "start" "-a" "0cb63f665f89d04859971ed8e378574d63e69f1f0e5f923115e207cf80bafeeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/cache/cachedfile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/dummycache.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn backend(&self) -> &(dyn BlobBackend) {
[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] 214 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 214 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/filecache/mod.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/filecache/mod.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 162 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/fscache/mod.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/fscache/mod.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 157 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/mod.rs:661:27
[INFO] [stdout]     |
[INFO] [stdout] 661 |     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 661 -     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout] 661 +     fn backend(&self) -> &dyn BlobBackend;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HttpProxyConfig`, `LocalDiskConfig`, `LocalFsConfig`, `OssConfig`, `RegistryConfig`, and `S3Config`
[INFO] [stdout]   --> src/factory.rs:21:60
[INFO] [stdout]    |
[INFO] [stdout] 21 |     default_user_io_batch_size, BackendConfigV2, ConfigV2, HttpProxyConfig, LocalDiskConfig,
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     LocalFsConfig, OssConfig, RegistryConfig, S3Config,
[INFO] [stdout]    |     ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_info`
[INFO] [stdout]    --> src/cache/cachedfile.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let blob_info = self.blob_info.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/cache/cachedfile.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let file_path = self.file_path.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cas_mgr`
[INFO] [stdout]    --> src/cache/cachedfile.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let cas_mgr = self.cas_mgr.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cas_mgr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cache/cachedfile.rs:1077:17
[INFO] [stdout]      |
[INFO] [stdout] 1077 |             let mut is_ready = match self.chunk_map.check_ready_and_mark_pending(chunk.as_ref()) {
[INFO] [stdout]      |                 ----^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/factory.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         content: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_id`
[INFO] [stdout]    --> src/factory.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         blob_id: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut> {
[INFO] [stdout]     |                    ^^^^^^^^^                          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:292:24
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice] {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |         | |
[INFO] [stdout]     |                        |         | the same lifetime is hidden here
[INFO] [stdout]     |                        |         the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice<'_>] {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling nydus-storage v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/cache/cachedfile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::ops::Deref;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/dummycache.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn backend(&self) -> &(dyn BlobBackend) {
[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] 214 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 214 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/filecache/mod.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/filecache/mod.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 162 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CasMgr`
[INFO] [stdout]   --> src/cache/fscache/mod.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::cache::{BlobCache, BlobCacheMgr, CasMgr};
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/fscache/mod.rs:157:27
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -     fn backend(&self) -> &(dyn BlobBackend) {
[INFO] [stdout] 157 +     fn backend(&self) -> &dyn BlobBackend {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cache/mod.rs:661:27
[INFO] [stdout]     |
[INFO] [stdout] 661 |     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout]     |                           ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 661 -     fn backend(&self) -> &(dyn BlobBackend);
[INFO] [stdout] 661 +     fn backend(&self) -> &dyn BlobBackend;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HttpProxyConfig`, `LocalDiskConfig`, `LocalFsConfig`, `OssConfig`, `RegistryConfig`, and `S3Config`
[INFO] [stdout]   --> src/factory.rs:21:60
[INFO] [stdout]    |
[INFO] [stdout] 21 |     default_user_io_batch_size, BackendConfigV2, ConfigV2, HttpProxyConfig, LocalDiskConfig,
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     LocalFsConfig, OssConfig, RegistryConfig, S3Config,
[INFO] [stdout]    |     ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_info`
[INFO] [stdout]    --> src/cache/cachedfile.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let blob_info = self.blob_info.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/cache/cachedfile.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let file_path = self.file_path.clone();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cas_mgr`
[INFO] [stdout]    --> src/cache/cachedfile.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let cas_mgr = self.cas_mgr.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cas_mgr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/cache/cachedfile.rs:1077:17
[INFO] [stdout]      |
[INFO] [stdout] 1077 |             let mut is_ready = match self.chunk_map.check_ready_and_mark_pending(chunk.as_ref()) {
[INFO] [stdout]      |                 ----^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/factory.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         content: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blob_id`
[INFO] [stdout]    --> src/factory.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         blob_id: &str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blob_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut> {
[INFO] [stdout]     |                    ^^^^^^^^^                          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn consume(&mut self, mut size: usize) -> Vec<IoSliceMut<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/utils.rs:292:24
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice] {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |         | |
[INFO] [stdout]     |                        |         | the same lifetime is hidden here
[INFO] [stdout]     |                        |         the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn inner_slice(&self) -> &[FileVolatileSlice<'_>] {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.52s
[INFO] running `Command { std: "docker" "inspect" "0cb63f665f89d04859971ed8e378574d63e69f1f0e5f923115e207cf80bafeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb63f665f89d04859971ed8e378574d63e69f1f0e5f923115e207cf80bafeeb", kill_on_drop: false }`
[INFO] [stdout] 0cb63f665f89d04859971ed8e378574d63e69f1f0e5f923115e207cf80bafeeb
