[INFO] fetching crate efficient_enum 0.3.1... [INFO] checking efficient_enum-0.3.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate efficient_enum 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate efficient_enum 0.3.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate efficient_enum 0.3.1 [INFO] finished tweaking crates.io crate efficient_enum 0.3.1 [INFO] tweaked toml for crates.io crate efficient_enum 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95385ce7c3701854bc9497a8f41a253d27fe4fce69da225b950ee8319ea7e4e9 [INFO] running `Command { std: "docker" "start" "-a" "95385ce7c3701854bc9497a8f41a253d27fe4fce69da225b950ee8319ea7e4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95385ce7c3701854bc9497a8f41a253d27fe4fce69da225b950ee8319ea7e4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95385ce7c3701854bc9497a8f41a253d27fe4fce69da225b950ee8319ea7e4e9", kill_on_drop: false }` [INFO] [stdout] 95385ce7c3701854bc9497a8f41a253d27fe4fce69da225b950ee8319ea7e4e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 139c714e6e907be90cd600858dad5d3eebb015181d34444823299c0f328cb4a6 [INFO] running `Command { std: "docker" "start" "-a" "139c714e6e907be90cd600858dad5d3eebb015181d34444823299c0f328cb4a6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking efficient_enum v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/tag.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::mem::{size_of, 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/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::{replace,uninitialized}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:143:26 [INFO] [stdout] | [INFO] [stdout] 143 | let b = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:651:46 [INFO] [stdout] | [INFO] [stdout] 651 | let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:743:26 [INFO] [stdout] | [INFO] [stdout] 743 | let b = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/tag.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/tag.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use std::mem::{size_of, 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/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::{replace,uninitialized}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:143:26 [INFO] [stdout] | [INFO] [stdout] 143 | let b = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:651:46 [INFO] [stdout] | [INFO] [stdout] 651 | let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/option.rs:743:26 [INFO] [stdout] | [INFO] [stdout] 743 | let b = unsafe { uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u8` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u16` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u32` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u64` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `usize` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u8` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u16` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u32` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `u64` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `usize` does not permit being left uninitialized [INFO] [stdout] --> src/tag.rs:205:23 [INFO] [stdout] | [INFO] [stdout] 205 | Self::tag(uninitialized(), o) [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] 222 | tag_msb!{u8 u16 u32 u64 usize} [INFO] [stdout] | ------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "139c714e6e907be90cd600858dad5d3eebb015181d34444823299c0f328cb4a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "139c714e6e907be90cd600858dad5d3eebb015181d34444823299c0f328cb4a6", kill_on_drop: false }` [INFO] [stdout] 139c714e6e907be90cd600858dad5d3eebb015181d34444823299c0f328cb4a6