[INFO] cloning repository https://github.com/stencillogic/db-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stencillogic/db-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstencillogic%2Fdb-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstencillogic%2Fdb-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98818e972d62db49ce0b5d8f53b3d933915bae71
[INFO] testing stencillogic/db-core against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstencillogic%2Fdb-core" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stencillogic/db-core on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stencillogic/db-core
[INFO] finished tweaking git repo https://github.com/stencillogic/db-core
[INFO] tweaked toml for git repo https://github.com/stencillogic/db-core written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stencillogic/db-core 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fabe7936b3bb144a93e93066e67135b2700df558af2bce007dbd8f357f240a9
[INFO] running `Command { std: "docker" "start" "-a" "5fabe7936b3bb144a93e93066e67135b2700df558af2bce007dbd8f357f240a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fabe7936b3bb144a93e93066e67135b2700df558af2bce007dbd8f357f240a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fabe7936b3bb144a93e93066e67135b2700df558af2bce007dbd8f357f240a9", kill_on_drop: false }`
[INFO] [stdout] 5fabe7936b3bb144a93e93066e67135b2700df558af2bce007dbd8f357f240a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f94d804b00bd1f762e174823939c2a93bea76a64728aa75649641a51ebb74b
[INFO] running `Command { std: "docker" "start" "-a" "82f94d804b00bd1f762e174823939c2a93bea76a64728aa75649641a51ebb74b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling db-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::log_mgr::io::LogRecordHeader`
[INFO] [stdout]   --> src/log_mgr/log_mgr.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use crate::log_mgr::io::LogRecordHeader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]   --> src/log_mgr/buf.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "metrics")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:248:7
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[cfg(feature = "metrics")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:259:11
[INFO] [stdout]     |
[INFO] [stdout] 259 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:417:11
[INFO] [stdout]     |
[INFO] [stdout] 417 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:425:11
[INFO] [stdout]     |
[INFO] [stdout] 425 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |         #[cfg(feature = "metrics")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout] 284 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:404:19
[INFO] [stdout]     |
[INFO] [stdout] 404 |             #[cfg(feature = "metrics")] {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:410:23
[INFO] [stdout]     |
[INFO] [stdout] 410 |             #[cfg(not(feature = "metrics"))] {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:579:19
[INFO] [stdout]     |
[INFO] [stdout] 579 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:141:104
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn open_write<'a>(&'a self, obj_id: &ObjectId, t: &'a mut Transaction, timeout: i64) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                       -- lifetime `'a` declared here                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:173:107
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn open_create<'a>(&'a self, file_id: u16, t: &'a mut Transaction, initial_size: usize) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                        -- lifetime `'a` declared here                                                     ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:135:161
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...ad<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, lock_type: usize) -> Result<BlockLocked<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                        ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:161:185
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...te<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, try_lock: bool, lock_type: usize) -> Result<BlockLockedMut<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                                           ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/block_mgr/block.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<'a, T> BlockLockedMut<'a, T> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn immut(&'a self) -> &BlockLocked<'a, T> {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     std::alloc::LayoutErr, IncorrectLayout, layout_err,
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:209:79
[INFO] [stdout]     |
[INFO] [stdout] 209 |     IncorrectLayout             , incorrect_layout              , std::alloc::LayoutErr,
[INFO] [stdout]     |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/common/intercom.rs:202:33
[INFO] [stdout]     |
[INFO] [stdout] 202 |             core::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:112:52
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:182:52
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:445:29
[INFO] [stdout]     |
[INFO] [stdout] 445 |     fn add_fi_blocks(&self, mut block_id: &mut BlockId, fi_block_num: usize, stub_pin: &AtomicU64, f: &std::fs::File) -> Result<(), Error> {
[INFO] [stdout]     |                             ----^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:863:13
[INFO] [stdout]     |
[INFO] [stdout] 863 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:869:13
[INFO] [stdout]     |
[INFO] [stdout] 869 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/block_driver.rs:731:26
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn replay(&self, mut rs: &mut ReplayState, data: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `write_ready` is never read
[INFO] [stdout]   --> src/buf_mgr/buf_writer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BufWriter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     write_ready:        SyncNotification<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufWriter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metrics` is never constructed
[INFO] [stdout]    --> src/log_mgr/buf.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct Metrics {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_extent_bit` is never used
[INFO] [stdout]    --> src/block_mgr/free_info.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl FreeInfo {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn set_extent_bit(&self, file_id: u16, extent_id: u16, set: bool) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `used_iter` is never used
[INFO] [stdout]    --> src/block_mgr/free_info.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl FiData {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn used_iter(&self) -> FiDataIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(RwLockReadGuard<'a, ()>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(RwLockWriteGuard<'a, ()>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_crc` is never used
[INFO] [stdout]   --> src/block_mgr/block.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait BasicBlock {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 87 |
[INFO] [stdout] 88 |     fn get_crc(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete_entry` is never used
[INFO] [stdout]    --> src/block_mgr/block.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<'a> DataBlock<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 276 |     pub fn delete_entry(&mut self, entry_id: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark_extent_full` and `set_free_info_free` are never used
[INFO] [stdout]    --> src/block_mgr/allocator.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout] 37  | impl BlockAllocator {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn mark_extent_full(&self, file_id: u16, extent_id: u16) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn set_free_info_free(&self, block_id: &BlockId) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/storage/datastore.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         drop(v);
[INFO] [stdout]     |         ^^^^^-^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 764 -         drop(v);
[INFO] [stdout] 764 +         let _ = v;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "82f94d804b00bd1f762e174823939c2a93bea76a64728aa75649641a51ebb74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f94d804b00bd1f762e174823939c2a93bea76a64728aa75649641a51ebb74b", kill_on_drop: false }`
[INFO] [stdout] 82f94d804b00bd1f762e174823939c2a93bea76a64728aa75649641a51ebb74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790cca7692a12775778ff5af5280faf974fefa49d3e84d7f10c9751242639423
[INFO] running `Command { std: "docker" "start" "-a" "790cca7692a12775778ff5af5280faf974fefa49d3e84d7f10c9751242639423", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stdout] warning: unused import: `crate::log_mgr::io::LogRecordHeader`
[INFO] [stdout]   --> src/log_mgr/log_mgr.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use crate::log_mgr::io::LogRecordHeader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]   --> src/log_mgr/buf.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "metrics")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:248:7
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[cfg(feature = "metrics")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:259:11
[INFO] [stdout]     |
[INFO] [stdout] 259 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:417:11
[INFO] [stdout]     |
[INFO] [stdout] 417 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:425:11
[INFO] [stdout]     |
[INFO] [stdout] 425 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |         #[cfg(feature = "metrics")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout] 284 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:404:19
[INFO] [stdout]     |
[INFO] [stdout] 404 |             #[cfg(feature = "metrics")] {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:410:23
[INFO] [stdout]     |
[INFO] [stdout] 410 |             #[cfg(not(feature = "metrics"))] {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:579:19
[INFO] [stdout]     |
[INFO] [stdout] 579 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:141:104
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn open_write<'a>(&'a self, obj_id: &ObjectId, t: &'a mut Transaction, timeout: i64) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                       -- lifetime `'a` declared here                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:173:107
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn open_create<'a>(&'a self, file_id: u16, t: &'a mut Transaction, initial_size: usize) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                        -- lifetime `'a` declared here                                                     ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:135:161
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...ad<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, lock_type: usize) -> Result<BlockLocked<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                        ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:161:185
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...te<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, try_lock: bool, lock_type: usize) -> Result<BlockLockedMut<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                                           ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/block_mgr/block.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<'a, T> BlockLockedMut<'a, T> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn immut(&'a self) -> &BlockLocked<'a, T> {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     std::alloc::LayoutErr, IncorrectLayout, layout_err,
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:209:79
[INFO] [stdout]     |
[INFO] [stdout] 209 |     IncorrectLayout             , incorrect_layout              , std::alloc::LayoutErr,
[INFO] [stdout]     |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/common/intercom.rs:202:33
[INFO] [stdout]     |
[INFO] [stdout] 202 |             core::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:112:52
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:182:52
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:445:29
[INFO] [stdout]     |
[INFO] [stdout] 445 |     fn add_fi_blocks(&self, mut block_id: &mut BlockId, fi_block_num: usize, stub_pin: &AtomicU64, f: &std::fs::File) -> Result<(), Error> {
[INFO] [stdout]     |                             ----^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:863:13
[INFO] [stdout]     |
[INFO] [stdout] 863 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:869:13
[INFO] [stdout]     |
[INFO] [stdout] 869 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/block_driver.rs:731:26
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn replay(&self, mut rs: &mut ReplayState, data: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `write_ready` is never read
[INFO] [stdout]   --> src/buf_mgr/buf_writer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BufWriter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     write_ready:        SyncNotification<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufWriter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metrics` is never constructed
[INFO] [stdout]    --> src/log_mgr/buf.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct Metrics {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_extent_bit` is never used
[INFO] [stdout]    --> src/block_mgr/free_info.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl FreeInfo {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn set_extent_bit(&self, file_id: u16, extent_id: u16, set: bool) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `used_iter` is never used
[INFO] [stdout]    --> src/block_mgr/free_info.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 305 | impl FiData {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn used_iter(&self) -> FiDataIter {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(RwLockReadGuard<'a, ()>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(RwLockWriteGuard<'a, ()>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_crc` is never used
[INFO] [stdout]   --> src/block_mgr/block.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait BasicBlock {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 87 |
[INFO] [stdout] 88 |     fn get_crc(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete_entry` is never used
[INFO] [stdout]    --> src/block_mgr/block.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl<'a> DataBlock<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 276 |     pub fn delete_entry(&mut self, entry_id: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark_extent_full` and `set_free_info_free` are never used
[INFO] [stdout]    --> src/block_mgr/allocator.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout] 37  | impl BlockAllocator {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn mark_extent_full(&self, file_id: u16, extent_id: u16) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn set_free_info_free(&self, block_id: &BlockId) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/storage/datastore.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         drop(v);
[INFO] [stdout]     |         ^^^^^-^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 764 -         drop(v);
[INFO] [stdout] 764 +         let _ = v;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling db-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::log_mgr::io::LogRecordHeader`
[INFO] [stdout]   --> src/log_mgr/log_mgr.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use crate::log_mgr::io::LogRecordHeader;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]   --> src/log_mgr/buf.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(feature = "metrics")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:248:7
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[cfg(feature = "metrics")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:259:11
[INFO] [stdout]     |
[INFO] [stdout] 259 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:417:11
[INFO] [stdout]     |
[INFO] [stdout] 417 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:425:11
[INFO] [stdout]     |
[INFO] [stdout] 425 |     #[cfg(feature = "metrics")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |         #[cfg(feature = "metrics")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout] 284 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     #[cfg(feature = "metrics")] 
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:404:19
[INFO] [stdout]     |
[INFO] [stdout] 404 |             #[cfg(feature = "metrics")] {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:410:23
[INFO] [stdout]     |
[INFO] [stdout] 410 |             #[cfg(not(feature = "metrics"))] {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stdout]    --> src/log_mgr/buf.rs:579:19
[INFO] [stdout]     |
[INFO] [stdout] 579 |             #[cfg(feature = "metrics")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:141:104
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn open_write<'a>(&'a self, obj_id: &ObjectId, t: &'a mut Transaction, timeout: i64) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                       -- lifetime `'a` declared here                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/system/instance.rs:173:107
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn open_create<'a>(&'a self, file_id: u16, t: &'a mut Transaction, initial_size: usize) -> Result<ObjectWrite, Error> {
[INFO] [stdout]     |                        -- lifetime `'a` declared here                                                     ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:135:161
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...ad<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, lock_type: usize) -> Result<BlockLocked<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                        ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/block_mgr/block_mgr.rs:161:185
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...te<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, try_lock: bool, lock_type: usize) -> Result<BlockLockedMut<T>,...
[INFO] [stdout]     |       -- lifetime `'b` declared here                                                                                                                           ^ this elided lifetime gets resolved as `'b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/block_mgr/block.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<'a, T> BlockLockedMut<'a, T> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn immut(&'a self) -> &BlockLocked<'a, T> {
[INFO] [stdout]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     std::alloc::LayoutErr, IncorrectLayout, layout_err,
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/common/errors.rs:209:79
[INFO] [stdout]     |
[INFO] [stdout] 209 |     IncorrectLayout             , incorrect_layout              , std::alloc::LayoutErr,
[INFO] [stdout]     |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/common/intercom.rs:202:33
[INFO] [stdout]     |
[INFO] [stdout] 202 |             core::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:112:52
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/log_mgr/buf.rs:182:52
[INFO] [stdout]     |
[INFO] [stdout] 182 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:445:29
[INFO] [stdout]     |
[INFO] [stdout] 445 |     fn add_fi_blocks(&self, mut block_id: &mut BlockId, fi_block_num: usize, stub_pin: &AtomicU64, f: &std::fs::File) -> Result<(), Error> {
[INFO] [stdout]     |                             ----^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:863:13
[INFO] [stdout]     |
[INFO] [stdout] 863 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/datastore.rs:869:13
[INFO] [stdout]     |
[INFO] [stdout] 869 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/storage/block_driver.rs:731:26
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn replay(&self, mut rs: &mut ReplayState, data: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `write_ready` is never read
[INFO] [stdout]   --> src/buf_mgr/buf_writer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BufWriter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     write_ready:        SyncNotification<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BufWriter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Metrics` is never constructed
[INFO] [stdout]    --> src/log_mgr/buf.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct Metrics {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metrics` 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 `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(RwLockReadGuard<'a, ()>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Read(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/block_mgr/block.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(RwLockWriteGuard<'a, ()>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Write(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mark_extent_full` is never used
[INFO] [stdout]   --> src/block_mgr/allocator.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl BlockAllocator {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn mark_extent_full(&self, file_id: u16, extent_id: u16) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/storage/datastore.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         drop(v);
[INFO] [stdout]     |         ^^^^^-^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 764 -         drop(v);
[INFO] [stdout] 764 +         let _ = v;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/block_mgr/block.rs:1128:9
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         &mut entry4_buf.copy_from_slice(entry.data);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         let _ = &mut entry4_buf.copy_from_slice(entry.data);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "790cca7692a12775778ff5af5280faf974fefa49d3e84d7f10c9751242639423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790cca7692a12775778ff5af5280faf974fefa49d3e84d7f10c9751242639423", kill_on_drop: false }`
[INFO] [stdout] 790cca7692a12775778ff5af5280faf974fefa49d3e84d7f10c9751242639423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6956506230a928b68ae8217bc4c8b284a2e1668fd7c1b8f4050ed3ca4e2e174c
[INFO] running `Command { std: "docker" "start" "-a" "6956506230a928b68ae8217bc4c8b284a2e1668fd7c1b8f4050ed3ca4e2e174c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::log_mgr::io::LogRecordHeader`
[INFO] [stderr]   --> src/log_mgr/log_mgr.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub use crate::log_mgr::io::LogRecordHeader;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]   --> src/log_mgr/buf.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[cfg(feature = "metrics")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:248:7
[INFO] [stderr]     |
[INFO] [stderr] 248 | #[cfg(feature = "metrics")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:259:11
[INFO] [stderr]     |
[INFO] [stderr] 259 |     #[cfg(feature = "metrics")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:417:11
[INFO] [stderr]     |
[INFO] [stderr] 417 |     #[cfg(feature = "metrics")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:425:11
[INFO] [stderr]     |
[INFO] [stderr] 425 |     #[cfg(feature = "metrics")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:276:15
[INFO] [stderr]     |
[INFO] [stderr] 276 |         #[cfg(feature = "metrics")]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:284:19
[INFO] [stderr]     |
[INFO] [stderr] 284 |             #[cfg(feature = "metrics")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:346:27
[INFO] [stderr]     |
[INFO] [stderr] 346 |                     #[cfg(feature = "metrics")] 
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:356:27
[INFO] [stderr]     |
[INFO] [stderr] 356 |                     #[cfg(feature = "metrics")] 
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 21 tests
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:404:19
[INFO] [stderr]     |
[INFO] [stderr] 404 |             #[cfg(feature = "metrics")] {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:410:23
[INFO] [stderr]     |
[INFO] [stderr] 410 |             #[cfg(not(feature = "metrics"))] {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `metrics`
[INFO] [stderr]    --> src/log_mgr/buf.rs:579:19
[INFO] [stderr]     |
[INFO] [stderr] 579 |             #[cfg(feature = "metrics")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `metrics` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]    --> src/system/instance.rs:141:104
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn open_write<'a>(&'a self, obj_id: &ObjectId, t: &'a mut Transaction, timeout: i64) -> Result<ObjectWrite, Error> {
[INFO] [stderr]     |                       -- lifetime `'a` declared here                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]    --> src/system/instance.rs:173:107
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn open_create<'a>(&'a self, file_id: u16, t: &'a mut Transaction, initial_size: usize) -> Result<ObjectWrite, Error> {
[INFO] [stderr]     |                        -- lifetime `'a` declared here                                                     ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]    --> src/block_mgr/block_mgr.rs:135:161
[INFO] [stderr]     |
[INFO] [stderr] 135 | ...ad<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, lock_type: usize) -> Result<BlockLocked<T>,...
[INFO] [stderr]     |       -- lifetime `'b` declared here                                                                                                        ^ this elided lifetime gets resolved as `'b`
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]    --> src/block_mgr/block_mgr.rs:161:185
[INFO] [stderr]     |
[INFO] [stderr] 161 | ...te<'b, T>(&'b self, block_id: &BlockId, init_fun: fn(BlockId, usize, Pinned<'b, BlockArea>) -> T, try_lock: bool, lock_type: usize) -> Result<BlockLockedMut<T>,...
[INFO] [stderr]     |       -- lifetime `'b` declared here                                                                                                                           ^ this elided lifetime gets resolved as `'b`
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/block_mgr/block.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl<'a, T> BlockLockedMut<'a, T> {
[INFO] [stderr]    |      -- lifetime `'a` declared here
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn immut(&'a self) -> &BlockLocked<'a, T> {
[INFO] [stderr]    |                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stderr]    --> src/common/errors.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |     std::alloc::LayoutErr, IncorrectLayout, layout_err,
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stderr]    --> src/common/errors.rs:209:79
[INFO] [stderr]     |
[INFO] [stderr] 209 |     IncorrectLayout             , incorrect_layout              , std::alloc::LayoutErr,
[INFO] [stderr]     |                                                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]    --> src/common/intercom.rs:202:33
[INFO] [stderr]     |
[INFO] [stderr] 202 |             core::sync::atomic::spin_loop_hint();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/log_mgr/buf.rs:112:52
[INFO] [stderr]     |
[INFO] [stderr] 112 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/log_mgr/buf.rs:182:52
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let cur_acq_size = self.acquire_size.0.compare_and_swap(
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/datastore.rs:445:29
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn add_fi_blocks(&self, mut block_id: &mut BlockId, fi_block_num: usize, stub_pin: &AtomicU64, f: &std::fs::File) -> Result<(), Error> {
[INFO] [stderr]     |                             ----^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/datastore.rs:863:13
[INFO] [stderr]     |
[INFO] [stderr] 863 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/datastore.rs:869:13
[INFO] [stderr]     |
[INFO] [stderr] 869 |         let mut desc = xlock.get_mut(&file_id).unwrap();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/block_driver.rs:731:26
[INFO] [stderr]     |
[INFO] [stderr] 731 |     pub fn replay(&self, mut rs: &mut ReplayState, data: &[u8]) -> Result<(), Error> {
[INFO] [stderr]     |                          ----^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `write_ready` is never read
[INFO] [stderr]   --> src/buf_mgr/buf_writer.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct BufWriter {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 32 |     write_ready:        SyncNotification<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BufWriter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Metrics` is never constructed
[INFO] [stderr]    --> src/log_mgr/buf.rs:243:12
[INFO] [stderr]     |
[INFO] [stderr] 243 | pub struct Metrics {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_extent_bit` is never used
[INFO] [stderr]    --> src/block_mgr/free_info.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 36  | impl FreeInfo {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 121 |     pub fn set_extent_bit(&self, file_id: u16, extent_id: u16, set: bool) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `used_iter` is never used
[INFO] [stderr]    --> src/block_mgr/free_info.rs:321:12
[INFO] [stderr]     |
[INFO] [stderr] 305 | impl FiData {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 321 |     pub fn used_iter(&self) -> FiDataIter {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/block_mgr/block.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Read(RwLockReadGuard<'a, ()>),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Read(()),
[INFO] [stderr]    |          ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/block_mgr/block.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Write(RwLockWriteGuard<'a, ()>),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Write(()),
[INFO] [stderr]    |           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_crc` is never used
[INFO] [stderr]   --> src/block_mgr/block.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub trait BasicBlock {
[INFO] [stderr]    |           ---------- method in this trait
[INFO] [stderr] 87 |
[INFO] [stderr] 88 |     fn get_crc(&self) -> u32;
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `delete_entry` is never used
[INFO] [stderr]    --> src/block_mgr/block.rs:276:12
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl<'a> DataBlock<'a> {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 276 |     pub fn delete_entry(&mut self, entry_id: u16) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `mark_extent_full` and `set_free_info_free` are never used
[INFO] [stderr]    --> src/block_mgr/allocator.rs:93:12
[INFO] [stderr]     |
[INFO] [stderr] 37  | impl BlockAllocator {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 93  |     pub fn mark_extent_full(&self, file_id: u16, extent_id: u16) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 127 |     pub fn set_free_info_free(&self, block_id: &BlockId) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/storage/datastore.rs:764:9
[INFO] [stderr]     |
[INFO] [stderr] 764 |         drop(v);
[INFO] [stderr]     |         ^^^^^-^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 764 -         drop(v);
[INFO] [stderr] 764 +         let _ = v;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `db-core` (lib) generated 37 warnings (run `cargo fix --lib -p db-core` to apply 5 suggestions)
[INFO] [stderr] warning: method `mark_extent_full` is never used
[INFO] [stderr]   --> src/block_mgr/allocator.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl BlockAllocator {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 93 |     pub fn mark_extent_full(&self, file_id: u16, extent_id: u16) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/block_mgr/block.rs:1128:9
[INFO] [stderr]      |
[INFO] [stderr] 1128 |         &mut entry4_buf.copy_from_slice(entry.data);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1128 |         let _ = &mut entry4_buf.copy_from_slice(entry.data);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `db-core` (lib test) generated 34 warnings (32 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/db_core-fc28ddb0235695f6)
[INFO] [stdout] test common::misc::tests::run_conversions ... ok
[INFO] [stdout] test buf_mgr::buf_mgr::tests::test ... ok
[INFO] [stdout] test block_mgr::block::tests::test_header_blocks ... ok
[INFO] [stdout] test log_mgr::buf::tests::too_big_size ... ok
[INFO] [stdout] test block_mgr::block::tests::test_data_block ... ok
[INFO] [stdout] test log_mgr::buf::tests::zero_size ... ok
[INFO] [stdout] test common::crc32::tests::test_crc32 ... ok
[INFO] [stdout] test buf_mgr::buf_mgr::tests::test_buf_mgr ... ok
[INFO] [stdout] test log_mgr::fs::tests::test_file_stream ... ok
[INFO] [stdout] test log_mgr::log_mgr::tests::test_log_mgr ... ok
[INFO] [stdout] test storage::fs_ops::tests::traverse_test ... FAILED
[INFO] [stdout] test tran_mgr::tran_mgr::tests::test_tran_mgr ... ok
[INFO] [stdout] test block_mgr::block_mgr::tests::test_block_mgr ... ok
[INFO] [stdout] test storage::datastore::tests::test_datastore ... ok
[INFO] [stdout] test block_mgr::allocator::tests::test_allocator ... ok
[INFO] [stdout] test storage::version_store::tests::test_version_store ... ok
[INFO] [stdout] test storage::block_driver::tests::test_block_driver ... ok
[INFO] [stdout] test block_mgr::free_info::tests::test_free_info ... ok
[INFO] [stdout] test system::instance::tests::test_instance ... ok
[INFO] [stdout] test buf_mgr::buf_writer::tests::test_buf_writer ... ok
[INFO] [stdout] test storage::checkpoint_store::tests::test_checkpoint_store ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::fs_ops::tests::traverse_test stdout ----
[INFO] [stdout] thread 'storage::fs_ops::tests::traverse_test' panicked at src/storage/fs_ops.rs:48:43:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f0d4f05f59a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5f0d4f05f59a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5f0d4f05f59a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f0d4f05f59a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f0d4f086193 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5f0d4f086193 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5f0d4f05c3b3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5f0d4f05f3e2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5f0d4f0609fa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5f0d4f060804 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5f0d4f029389 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5f0d4f029389 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5f0d4f061098 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5f0d4f061098 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5f0d4f060e5a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5f0d4f05fa79 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5f0d4f060aec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5f0d4eee31e0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5f0d4eee3666 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5f0d4ef67ea8 - core::result::Result<T,E>::unwrap::hd9a00c624b761c1d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5f0d4ef67ea8 - db_core::storage::fs_ops::tests::prepare_dir_tree::h9b645a288dc20a00
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:48:13
[INFO] [stdout]   21:     0x5f0d4ef73308 - db_core::storage::fs_ops::tests::traverse_test::h417cdb2e94fb20c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:74:9
[INFO] [stdout]   22:     0x5f0d4ef73227 - db_core::storage::fs_ops::tests::traverse_test::{{closure}}::hd4955f327bc9c93f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:65:23
[INFO] [stdout]   23:     0x5f0d4ef1f306 - core::ops::function::FnOnce::call_once::h02487a002bc5f4ed
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5f0d4f02dd4b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f0d4f02dd4b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5f0d4f02d587 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5f0d4f02d587 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5f0d4f02d587 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x5f0d4f02d587 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x5f0d4f02d587 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x5f0d4f02d587 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5f0d4f02d587 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x5f0d4eff2864 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5f0d4eff2864 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x5f0d4eff5f2e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x5f0d4eff5f2e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5f0d4eff5f2e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x5f0d4eff5f2e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x5f0d4eff5f2e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x5f0d4eff5f2e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x5f0d4eff5f2e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5f0d4f065c7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5f0d4f065c7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   44:     0x5f0d4f065c7b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x71f8c908fac3 - <unknown>
[INFO] [stdout]   46:     0x71f8c9120a04 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::fs_ops::tests::traverse_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.27s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "6956506230a928b68ae8217bc4c8b284a2e1668fd7c1b8f4050ed3ca4e2e174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6956506230a928b68ae8217bc4c8b284a2e1668fd7c1b8f4050ed3ca4e2e174c", kill_on_drop: false }`
[INFO] [stdout] 6956506230a928b68ae8217bc4c8b284a2e1668fd7c1b8f4050ed3ca4e2e174c
