[INFO] fetching crate db-core 0.2.1...
[INFO] testing db-core-0.2.1 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate db-core 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate db-core 0.2.1 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate db-core 0.2.1
[INFO] finished tweaking crates.io crate db-core 0.2.1
[INFO] tweaked toml for crates.io crate db-core 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2050925011e27d417cddb899f0b51b68b4f76c63fb271b84d79f935b0b840265
[INFO] running `Command { std: "docker" "start" "-a" "2050925011e27d417cddb899f0b51b68b4f76c63fb271b84d79f935b0b840265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2050925011e27d417cddb899f0b51b68b4f76c63fb271b84d79f935b0b840265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2050925011e27d417cddb899f0b51b68b4f76c63fb271b84d79f935b0b840265", kill_on_drop: false }`
[INFO] [stdout] 2050925011e27d417cddb899f0b51b68b4f76c63fb271b84d79f935b0b840265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e955d9ef43fff06c0d28f676b38af4eb6b6560c861eba1eff98dbc427c1cf224
[INFO] running `Command { std: "docker" "start" "-a" "e955d9ef43fff06c0d28f676b38af4eb6b6560c861eba1eff98dbc427c1cf224", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling log v0.4.22
[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: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/storage/datastore.rs:757:44
[INFO] [stdout]     |
[INFO] [stdout] 757 |             if let Err(e) = self.lock_file.unlock() {
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[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 4.10s
[INFO] running `Command { std: "docker" "inspect" "e955d9ef43fff06c0d28f676b38af4eb6b6560c861eba1eff98dbc427c1cf224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e955d9ef43fff06c0d28f676b38af4eb6b6560c861eba1eff98dbc427c1cf224", kill_on_drop: false }`
[INFO] [stdout] e955d9ef43fff06c0d28f676b38af4eb6b6560c861eba1eff98dbc427c1cf224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed5c7dc8ccae317ad8ccadbb0200885d10e0481e005bb78c2d755f8b835a781
[INFO] running `Command { std: "docker" "start" "-a" "7ed5c7dc8ccae317ad8ccadbb0200885d10e0481e005bb78c2d755f8b835a781", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getrandom v0.2.15
[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: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/storage/datastore.rs:757:44
[INFO] [stdout]     |
[INFO] [stdout] 757 |             if let Err(e) = self.lock_file.unlock() {
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[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 v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/storage/datastore.rs:757:44
[INFO] [stdout]     |
[INFO] [stdout] 757 |             if let Err(e) = self.lock_file.unlock() {
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[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 10.87s
[INFO] running `Command { std: "docker" "inspect" "7ed5c7dc8ccae317ad8ccadbb0200885d10e0481e005bb78c2d755f8b835a781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed5c7dc8ccae317ad8ccadbb0200885d10e0481e005bb78c2d755f8b835a781", kill_on_drop: false }`
[INFO] [stdout] 7ed5c7dc8ccae317ad8ccadbb0200885d10e0481e005bb78c2d755f8b835a781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d890dbbe531f83e3f0808a7655028931c9e36e1a7923a8cedaa32820a7fe015
[INFO] running `Command { std: "docker" "start" "-a" "0d890dbbe531f83e3f0808a7655028931c9e36e1a7923a8cedaa32820a7fe015", 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] [stderr] 
[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: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/storage/datastore.rs:757:44
[INFO] [stderr]     |
[INFO] [stderr] 757 |             if let Err(e) = self.lock_file.unlock() {
[INFO] [stderr]     |                                            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[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 38 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 35 warnings (33 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/db_core-a305d966a666daad)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test block_mgr::block::tests::test_header_blocks ... ok
[INFO] [stdout] test buf_mgr::buf_mgr::tests::test ... ok
[INFO] [stdout] test log_mgr::buf::tests::zero_size ... ok
[INFO] [stdout] test common::misc::tests::run_conversions ... ok
[INFO] [stdout] test common::crc32::tests::test_crc32 ... 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 buf_mgr::buf_mgr::tests::test_buf_mgr ... ok
[INFO] [stdout] test storage::fs_ops::tests::traverse_test ... FAILED
[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 tran_mgr::tran_mgr::tests::test_tran_mgr ... ok
[INFO] [stdout] test storage::datastore::tests::test_datastore ... ok
[INFO] [stdout] test storage::version_store::tests::test_version_store ... ok
[INFO] [stdout] test block_mgr::allocator::tests::test_allocator ... ok
[INFO] [stdout] test block_mgr::block_mgr::tests::test_block_mgr ... 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 buf_mgr::buf_writer::tests::test_buf_writer ... ok
[INFO] [stdout] test system::instance::tests::test_instance ... 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:     0x61f47733c6da - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x61f47733c6da - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x61f47733c6da - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61f47733c6da - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61f477363983 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x61f477363983 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x61f4773394c3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x61f47733c522 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x61f47733db5d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x61f47733d967 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x61f477304177 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x61f477304177 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x61f47733e208 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x61f47733e208 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x61f47733dfca - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x61f47733cbb9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x61f47733dc5c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x61f4771b8230 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x61f4771b86b6 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x61f477225048 - core::result::Result<T,E>::unwrap::h6c71b2864ab2b1ce
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x61f477225048 - db_core::storage::fs_ops::tests::prepare_dir_tree::h397654ea59a1b595
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:48:13
[INFO] [stdout]   21:     0x61f4772303d8 - db_core::storage::fs_ops::tests::traverse_test::ha44f51c7344db59c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:74:9
[INFO] [stdout]   22:     0x61f4772302f7 - db_core::storage::fs_ops::tests::traverse_test::{{closure}}::hc3fba1e7ceb5b073
[INFO] [stdout]                                at /opt/rustwide/workdir/src/storage/fs_ops.rs:65:23
[INFO] [stdout]   23:     0x61f4771f34a6 - core::ops::function::FnOnce::call_once::h5ab0032bdeeb7e27
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61f477308c9b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61f477308c9b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   26:     0x61f477308688 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   27:     0x61f477308688 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x61f477308688 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x61f477308688 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x61f477308688 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x61f477308688 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   32:     0x61f477308688 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   33:     0x61f4772cc12a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   34:     0x61f4772cc12a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x61f4772cfaa4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   36:     0x61f4772cfaa4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x61f4772cfaa4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x61f4772cfaa4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x61f4772cfaa4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x61f4772cfaa4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   41:     0x61f4772cfaa4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61f477342ffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x61f477342ffb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x61f477342ffb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x7e9a7add1ac3 - <unknown>
[INFO] [stdout]   46:     0x7e9a7ae62a04 - 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 8.23s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0d890dbbe531f83e3f0808a7655028931c9e36e1a7923a8cedaa32820a7fe015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d890dbbe531f83e3f0808a7655028931c9e36e1a7923a8cedaa32820a7fe015", kill_on_drop: false }`
[INFO] [stdout] 0d890dbbe531f83e3f0808a7655028931c9e36e1a7923a8cedaa32820a7fe015
