[INFO] fetching crate idx 0.2.0...
[INFO] building idx-0.2.0 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate idx 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate idx 0.2.0
[INFO] finished tweaking crates.io crate idx 0.2.0
[INFO] tweaked toml for crates.io crate idx 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate idx 0.2.0 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding memmap v0.6.2 (available: v0.7.0)
[INFO] [stderr]       Adding parking_lot v0.5.5 (available: v0.12.5)
[INFO] [stderr]       Adding seahash v3.0.7 (available: v4.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d208b151b865b9d19716e8323e1e0daebd0cc8ae8db8767c3865e85e5d71d5a
[INFO] running `Command { std: "docker" "start" "-a" "0d208b151b865b9d19716e8323e1e0daebd0cc8ae8db8767c3865e85e5d71d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d208b151b865b9d19716e8323e1e0daebd0cc8ae8db8767c3865e85e5d71d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d208b151b865b9d19716e8323e1e0daebd0cc8ae8db8767c3865e85e5d71d5a", kill_on_drop: false }`
[INFO] [stdout] 0d208b151b865b9d19716e8323e1e0daebd0cc8ae8db8767c3865e85e5d71d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 56f5853f6a7e8b865ccdb9e300c796d82d3ec9da70ee3fd68094786d05978bd4
[INFO] running `Command { std: "docker" "start" "-a" "56f5853f6a7e8b865ccdb9e300c796d82d3ec9da70ee3fd68094786d05978bd4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling idx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]    --> src/diskvec.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |             #[cfg(not(release))]
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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 name: `release`
[INFO] [stdout]    --> src/diskvec.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 |         #[cfg(not(release))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:123:59
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RawPage<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[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 (in this struct field)
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     bytes: [u8; PAGE_SIZE],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<V> {
[INFO] [stdout]     |                ^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<'_, V> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[UnsafeCell<Option<MmapMut>>; 128]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[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: enums with multiple inhabited variants have to be initialized to a variant
[INFO] [stdout]    --> /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/option.rs:600:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[parking_lot::Mutex<()>; 1024]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:123:54
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/diskvec.rs:214:20
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<T>> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "56f5853f6a7e8b865ccdb9e300c796d82d3ec9da70ee3fd68094786d05978bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f5853f6a7e8b865ccdb9e300c796d82d3ec9da70ee3fd68094786d05978bd4", kill_on_drop: false }`
[INFO] [stdout] 56f5853f6a7e8b865ccdb9e300c796d82d3ec9da70ee3fd68094786d05978bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 8584fcfe90d6e4b07e2e5fdf690d4d0d9df9d879797b3ced6497a35eccb3adb8
[INFO] running `Command { std: "docker" "start" "-a" "8584fcfe90d6e4b07e2e5fdf690d4d0d9df9d879797b3ced6497a35eccb3adb8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]    --> src/diskvec.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |             #[cfg(not(release))]
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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 name: `release`
[INFO] [stdout]    --> src/diskvec.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 |         #[cfg(not(release))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:123:59
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RawPage<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[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 (in this struct field)
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     bytes: [u8; PAGE_SIZE],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<V> {
[INFO] [stdout]     |                ^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<'_, V> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[UnsafeCell<Option<MmapMut>>; 128]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[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: enums with multiple inhabited variants have to be initialized to a variant
[INFO] [stdout]    --> /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/option.rs:600:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[parking_lot::Mutex<()>; 1024]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:123:54
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/diskvec.rs:214:20
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<T>> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling idx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `release`
[INFO] [stdout]    --> src/diskvec.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |             #[cfg(not(release))]
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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 name: `release`
[INFO] [stdout]    --> src/diskvec.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 |         #[cfg(not(release))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(release)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(release)");` to the top of the `build.rs`
[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: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/diskvec.rs:123:59
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `RawPage<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let mut page: RawPage<K, V> = mem::uninitialized();
[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 (in this struct field)
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     bytes: [u8; PAGE_SIZE],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<V> {
[INFO] [stdout]     |                ^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn get(&self, slot: u64, k: &K) -> Get<'_, V> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[UnsafeCell<Option<MmapMut>>; 128]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 mem::uninitialized();
[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: enums with multiple inhabited variants have to be initialized to a variant
[INFO] [stdout]    --> /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/option.rs:600:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[parking_lot::Mutex<()>; 1024]` does not permit being left uninitialized
[INFO] [stdout]    --> src/diskvec.rs:123:54
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut writelocks: [Mutex<()>; LOCKS] = mem::uninitialized();
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/diskvec.rs:214:20
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<T>> {
[INFO] [stdout]     |                    ^^^^^                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn get_mut(&self, idx: usize) -> Option<MutableReference<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "8584fcfe90d6e4b07e2e5fdf690d4d0d9df9d879797b3ced6497a35eccb3adb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8584fcfe90d6e4b07e2e5fdf690d4d0d9df9d879797b3ced6497a35eccb3adb8", kill_on_drop: false }`
[INFO] [stdout] 8584fcfe90d6e4b07e2e5fdf690d4d0d9df9d879797b3ced6497a35eccb3adb8
