[INFO] fetching crate hexe_core 0.0.5... [INFO] checking hexe_core-0.0.5 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate hexe_core 0.0.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate hexe_core 0.0.5 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hexe_core 0.0.5 [INFO] finished tweaking crates.io crate hexe_core 0.0.5 [INFO] tweaked toml for crates.io crate hexe_core 0.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding static_assertions v0.2.5 (latest: v1.1.0) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.57) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uncon_derive v1.1.1 [INFO] [stderr] Downloaded uncon v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8e1de5f405a953a75934d1374a65df6bd405216631ccdcca2cfffbb1205791a [INFO] running `Command { std: "docker" "start" "-a" "e8e1de5f405a953a75934d1374a65df6bd405216631ccdcca2cfffbb1205791a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8e1de5f405a953a75934d1374a65df6bd405216631ccdcca2cfffbb1205791a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8e1de5f405a953a75934d1374a65df6bd405216631ccdcca2cfffbb1205791a", kill_on_drop: false }` [INFO] [stdout] e8e1de5f405a953a75934d1374a65df6bd405216631ccdcca2cfffbb1205791a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93f21c984cf65c252efa86008dc086d8fe883f4860077c764022e1d0326be500 [INFO] running `Command { std: "docker" "start" "-a" "93f21c984cf65c252efa86008dc086d8fe883f4860077c764022e1d0326be500", kill_on_drop: false }` [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking uncon v1.1.0 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling uncon_derive v1.1.1 [INFO] [stderr] Checking hexe_core v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fmt` is imported redundantly [INFO] [stdout] --> src/board/bitboard/carry_rippler.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fmt` is already imported here [INFO] [stdout] 2 | use core::{fmt, u64}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/board/piece_map/iter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::mem; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 2 | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `mem` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/board/piece_map/mod.rs:209:21 [INFO] [stdout] | [INFO] [stdout] 209 | b'1'...b'8' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:109:28 [INFO] [stdout] | [INFO] [stdout] 109 | $lo...$hi => unsafe { ($b - $lo).into_unchecked() }, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] ... [INFO] [stdout] 114 | Ok(Square::new(convert!(b'a', b'h', bytes[0] | 32), [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `convert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:109:28 [INFO] [stdout] | [INFO] [stdout] 109 | $lo...$hi => unsafe { ($b - $lo).into_unchecked() }, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] ... [INFO] [stdout] 115 | convert!(b'1', b'8', bytes[1]))) [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `convert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:514:22 [INFO] [stdout] | [INFO] [stdout] 514 | b @ b'a' ... b'f' => unsafe { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:568:22 [INFO] [stdout] | [INFO] [stdout] 568 | b @ b'1' ... b'8' => unsafe { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fmt` is imported redundantly [INFO] [stdout] --> src/board/bitboard/carry_rippler.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `fmt` is already imported here [INFO] [stdout] 2 | use core::{fmt, u64}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/board/piece_map/iter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::mem; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 2 | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `mem` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/board/piece_map/mod.rs:209:21 [INFO] [stdout] | [INFO] [stdout] 209 | b'1'...b'8' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:109:28 [INFO] [stdout] | [INFO] [stdout] 109 | $lo...$hi => unsafe { ($b - $lo).into_unchecked() }, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] ... [INFO] [stdout] 114 | Ok(Square::new(convert!(b'a', b'h', bytes[0] | 32), [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `convert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:109:28 [INFO] [stdout] | [INFO] [stdout] 109 | $lo...$hi => unsafe { ($b - $lo).into_unchecked() }, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] ... [INFO] [stdout] 115 | convert!(b'1', b'8', bytes[1]))) [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `convert` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:514:22 [INFO] [stdout] | [INFO] [stdout] 514 | b @ b'a' ... b'f' => unsafe { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/square/mod.rs:568:22 [INFO] [stdout] | [INFO] [stdout] 568 | b @ b'1' ... b'8' => unsafe { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/board/piece_map/mod.rs:257:47 [INFO] [stdout] | [INFO] [stdout] 257 | let mut map: PieceMap = unsafe { 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/board/piece_map/mod.rs:732:43 [INFO] [stdout] | [INFO] [stdout] 732 | let mut buf: [u8; MAX] = 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/mv/vec.rs:55:38 [INFO] [stdout] | [INFO] [stdout] 55 | MoveVec { buf: unsafe { mem::uninitialized() }, len: 0 } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/util/mod.rs:24:51 [INFO] [stdout] | [INFO] [stdout] 24 | let mut pairs: [(T, U); 1000] = unsafe { 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/board/piece_map/mod.rs:257:47 [INFO] [stdout] | [INFO] [stdout] 257 | let mut map: PieceMap = unsafe { 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/board/piece_map/mod.rs:732:43 [INFO] [stdout] | [INFO] [stdout] 732 | let mut buf: [u8; MAX] = 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/mv/vec.rs:55:38 [INFO] [stdout] | [INFO] [stdout] 55 | MoveVec { buf: unsafe { mem::uninitialized() }, len: 0 } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board/piece_map/entry.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | let field: &fmt::Debug = match *self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 122 | let field: &dyn fmt::Debug = match *self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board/piece_map/entry.rs:122:21 [INFO] [stdout] | [INFO] [stdout] 122 | let field: &fmt::Debug = match *self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 122 | let field: &dyn fmt::Debug = match *self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused [INFO] [stdout] --> src/board/piece_map/mod.rs:472:18 [INFO] [stdout] | [INFO] [stdout] 471 | let ptr = &mut buf[start_sq as usize] as *mut u8 as *mut u32; [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | backing allocation comes from here [INFO] [stdout] | casting happend here [INFO] [stdout] 472 | unsafe { *ptr = VALUES.value[right as usize] }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: casting from `u8` (1 bytes) to `u32` (4 bytes) [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 71]` does not permit being left uninitialized [INFO] [stdout] --> src/board/piece_map/mod.rs:732:38 [INFO] [stdout] | [INFO] [stdout] 732 | let mut buf: [u8; MAX] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` 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 `[u16; 255]` does not permit being left uninitialized [INFO] [stdout] --> src/mv/vec.rs:55:33 [INFO] [stdout] | [INFO] [stdout] 55 | MoveVec { buf: unsafe { mem::uninitialized() }, len: 0 } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` 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] error: aborting due to 1 previous error; 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hexe_core` (lib) due to 2 previous errors; 13 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `rand_pairs` is never used [INFO] [stdout] --> src/util/mod.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn rand_pairs() -> [(T, U); 1000] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused [INFO] [stdout] --> src/board/piece_map/mod.rs:472:18 [INFO] [stdout] | [INFO] [stdout] 471 | let ptr = &mut buf[start_sq as usize] as *mut u8 as *mut u32; [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | backing allocation comes from here [INFO] [stdout] | casting happend here [INFO] [stdout] 472 | unsafe { *ptr = VALUES.value[right as usize] }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: casting from `u8` (1 bytes) to `u32` (4 bytes) [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 71]` does not permit being left uninitialized [INFO] [stdout] --> src/board/piece_map/mod.rs:732:38 [INFO] [stdout] | [INFO] [stdout] 732 | let mut buf: [u8; MAX] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` 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 `[u16; 255]` does not permit being left uninitialized [INFO] [stdout] --> src/mv/vec.rs:55:33 [INFO] [stdout] | [INFO] [stdout] 55 | MoveVec { buf: unsafe { mem::uninitialized() }, len: 0 } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` 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] error: aborting due to 1 previous error; 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hexe_core` (lib test) due to 2 previous errors; 15 warnings emitted [INFO] running `Command { std: "docker" "inspect" "93f21c984cf65c252efa86008dc086d8fe883f4860077c764022e1d0326be500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93f21c984cf65c252efa86008dc086d8fe883f4860077c764022e1d0326be500", kill_on_drop: false }` [INFO] [stdout] 93f21c984cf65c252efa86008dc086d8fe883f4860077c764022e1d0326be500