[INFO] fetching crate tetsy-db 0.1.2...
[INFO] testing tetsy-db-0.1.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tetsy-db 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tetsy-db 0.1.2
[INFO] finished tweaking crates.io crate tetsy-db 0.1.2
[INFO] tweaked toml for crates.io crate tetsy-db 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tetsy-db 0.1.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.10)
[INFO] [stderr]       Adding parking_lot v0.10.2 (available: v0.12.5)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 931a0064dc256f203d6034c3646897e0e8874e3554052e3c90bce3ebdff51a5f
[INFO] running `Command { std: "docker" "start" "-a" "931a0064dc256f203d6034c3646897e0e8874e3554052e3c90bce3ebdff51a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931a0064dc256f203d6034c3646897e0e8874e3554052e3c90bce3ebdff51a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931a0064dc256f203d6034c3646897e0e8874e3554052e3c90bce3ebdff51a5f", kill_on_drop: false }`
[INFO] [stdout] 931a0064dc256f203d6034c3646897e0e8874e3554052e3c90bce3ebdff51a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efa787e42456c348cf8f03c5cdff606a8b886f115694a3d346a92a83dc51d30
[INFO] running `Command { std: "docker" "start" "-a" "1efa787e42456c348cf8f03c5cdff606a8b886f115694a3d346a92a83dc51d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling tetsy-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/log.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     BeginRecord(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 40 -     BeginRecord(u64),
[INFO] [stdout] 40 +     BeginRecord(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:219:48
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:317:36
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:328:36
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:404:49
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:507:48
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:548:48
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:576:48
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU32; 2048]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:77:70
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut value_histogram: [AtomicU32; HISTOGRAM_BUCKETS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU64; 16]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:81:63
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut query_histogram: [AtomicU64; SIZE_TIERS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                     |
[INFO] [stdout]    |                                                                     this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "1efa787e42456c348cf8f03c5cdff606a8b886f115694a3d346a92a83dc51d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efa787e42456c348cf8f03c5cdff606a8b886f115694a3d346a92a83dc51d30", kill_on_drop: false }`
[INFO] [stdout] 1efa787e42456c348cf8f03c5cdff606a8b886f115694a3d346a92a83dc51d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57fdb40454d3fe2eaf9b61b22d0d384d932e60a54f95e27504f1ce1ceecaeeb
[INFO] running `Command { std: "docker" "start" "-a" "f57fdb40454d3fe2eaf9b61b22d0d384d932e60a54f95e27504f1ce1ceecaeeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/log.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     BeginRecord(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 40 -     BeginRecord(u64),
[INFO] [stdout] 40 +     BeginRecord(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:219:48
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:317:36
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:328:36
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:404:49
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:507:48
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:548:48
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:576:48
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU32; 2048]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:77:70
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut value_histogram: [AtomicU32; HISTOGRAM_BUCKETS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU64; 16]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:81:63
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut query_histogram: [AtomicU64; SIZE_TIERS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                     |
[INFO] [stdout]    |                                                                     this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tetsy-db v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/table.rs:609:24
[INFO] [stdout]     |
[INFO] [stdout] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/log.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     BeginRecord(u64),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 40 -     BeginRecord(u64),
[INFO] [stdout] 40 +     BeginRecord(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/index.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:219:48
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:317:36
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:328:36
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:404:49
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:466:3
[INFO] [stdout]     |
[INFO] [stdout] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/table.rs:467:3
[INFO] [stdout]     |
[INFO] [stdout] 467 |         &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:507:48
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:548:48
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stdout]    --> src/table.rs:576:48
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/column.rs:457:7
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU32; 2048]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:77:70
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut value_histogram: [AtomicU32; HISTOGRAM_BUCKETS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[AtomicU64; 16]` does not permit being left uninitialized
[INFO] [stdout]   --> src/stats.rs:81:63
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut query_histogram: [AtomicU64; SIZE_TIERS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                     |
[INFO] [stdout]    |                                                                     this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "f57fdb40454d3fe2eaf9b61b22d0d384d932e60a54f95e27504f1ce1ceecaeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57fdb40454d3fe2eaf9b61b22d0d384d932e60a54f95e27504f1ce1ceecaeeb", kill_on_drop: false }`
[INFO] [stdout] f57fdb40454d3fe2eaf9b61b22d0d384d932e60a54f95e27504f1ce1ceecaeeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8392542d715df4ecb596b56f105f443778e60f4f6348cf61c5a5449dc2bc9b30
[INFO] running `Command { std: "docker" "start" "-a" "8392542d715df4ecb596b56f105f443778e60f4f6348cf61c5a5449dc2bc9b30", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] 
[INFO] [stderr]    --> src/table.rs:609:24
[INFO] [stdout] running 7 tests
[INFO] [stderr]     |
[INFO] [stderr] 609 |         if self.dirty_header.compare_and_swap(true, false, Ordering::Relaxed) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/log.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     BeginRecord(u64),
[INFO] [stderr]    |     ----------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 40 -     BeginRecord(u64),
[INFO] [stderr] 40 +     BeginRecord(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:307:4
[INFO] [stderr]     |
[INFO] [stderr] 307 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/index.rs:353:4
[INFO] [stderr]     |
[INFO] [stderr] 353 |             &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 353 |             let _ = &mut chunk[i * 8 .. i * 8 + 8].copy_from_slice(&new_entry.as_u64().to_le_bytes());
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:219:48
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      this code causes undefined behavior when executed
[INFO] [stderr]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:317:36
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          this code causes undefined behavior when executed
[INFO] [stderr]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 10]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:328:36
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let mut buf: [u8; 10] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          this code causes undefined behavior when executed
[INFO] [stderr]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:404:49
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          this code causes undefined behavior when executed
[INFO] [stderr]     |                                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/table.rs:466:3
[INFO] [stderr]     |
[INFO] [stderr] 466 |         &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let _ = &buf[0..2].copy_from_slice(TOMBSTONE);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/table.rs:467:3
[INFO] [stderr]     |
[INFO] [stderr] 467 |         &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 467 |         let _ = &buf[2..10].copy_from_slice(&last_removed.to_le_bytes());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:507:48
[INFO] [stderr]     |
[INFO] [stderr] 507 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      this code causes undefined behavior when executed
[INFO] [stderr]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:548:48
[INFO] [stderr]     |
[INFO] [stderr] 548 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      this code causes undefined behavior when executed
[INFO] [stderr]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[u8; 65533]` does not permit being left uninitialized
[INFO] [stderr]    --> src/table.rs:576:48
[INFO] [stderr]     |
[INFO] [stderr] 576 |         let mut buf: [u8; MAX_ENTRY_SIZE] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      this code causes undefined behavior when executed
[INFO] [stderr]     |                                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/column.rs:457:7
[INFO] [stderr]     |
[INFO] [stderr] 457 |                         &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 457 |                         let _ = &mut key[0..8].copy_from_slice(&index_key.to_be_bytes());
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[AtomicU32; 2048]` does not permit being left uninitialized
[INFO] [stderr]   --> src/stats.rs:77:70
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut value_histogram: [AtomicU32; HISTOGRAM_BUCKETS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                                            |
[INFO] [stderr]    |                                                                            this code causes undefined behavior when executed
[INFO] [stderr]    |                                                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `[AtomicU64; 16]` does not permit being left uninitialized
[INFO] [stderr]   --> src/stats.rs:81:63
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut query_histogram: [AtomicU64; SIZE_TIERS] = unsafe { MaybeUninit::uninit().assume_init() };
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                                     |
[INFO] [stderr]    |                                                                     this code causes undefined behavior when executed
[INFO] [stderr]    |                                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `tetsy-db` (lib) generated 17 warnings
[INFO] [stderr] warning: `tetsy-db` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tetsy_db-cb6ba52ba59d269f)
[INFO] [stdout] test table::test::replace_simple ... ok
[INFO] [stdout] test table::test::insert_simple ... ok
[INFO] [stdout] test table::test::remove_simple ... ok
[INFO] [stdout] test table::test::ref_counting ... ok
[INFO] [stdout] test table::test::replace_multipart_longer ... ok
[INFO] [stdout] test table::test::replace_multipart_shorter ... ok
[INFO] [stdout] test table::test::oversized_into_fixed_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetsy_db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8392542d715df4ecb596b56f105f443778e60f4f6348cf61c5a5449dc2bc9b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8392542d715df4ecb596b56f105f443778e60f4f6348cf61c5a5449dc2bc9b30", kill_on_drop: false }`
[INFO] [stdout] 8392542d715df4ecb596b56f105f443778e60f4f6348cf61c5a5449dc2bc9b30
