[INFO] fetching crate av-bitstream 0.1.2... [INFO] checking av-bitstream-0.1.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate av-bitstream 0.1.2 into /workspace/builds/worker-117/source [INFO] validating manifest of crates.io crate av-bitstream 0.1.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate av-bitstream 0.1.2 [INFO] finished tweaking crates.io crate av-bitstream 0.1.2 [INFO] tweaked toml for crates.io crate av-bitstream 0.1.2 written to /workspace/builds/worker-117/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13053247a9a453d82f11e22962e1b128ef305d68548f303de9eabf0fcffb2401 [INFO] running `Command { std: "docker" "start" "-a" "13053247a9a453d82f11e22962e1b128ef305d68548f303de9eabf0fcffb2401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13053247a9a453d82f11e22962e1b128ef305d68548f303de9eabf0fcffb2401", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13053247a9a453d82f11e22962e1b128ef305d68548f303de9eabf0fcffb2401", kill_on_drop: false }` [INFO] [stdout] 13053247a9a453d82f11e22962e1b128ef305d68548f303de9eabf0fcffb2401 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b16f623b5b0cabb205c21c36d739900a1549eccc3b14be9c2880437962d409dd [INFO] running `Command { std: "docker" "start" "-a" "b16f623b5b0cabb205c21c36d739900a1549eccc3b14be9c2880437962d409dd", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling rustversion v1.0.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling err-derive v0.2.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Checking av-bitstream v0.1.2 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `let` expressions are not supported here [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stdout] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:41 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:41 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:41 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:41 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:41 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:33 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/bytewrite.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `av_bitstream` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/bytewrite.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 52 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 92 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 97 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: `let` expressions are not supported here [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 102 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: only supported directly in conditions of `if`- and `while`-expressions [INFO] [stderr] = note: as well as when nested within `&&` and parenthesis in those conditions [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:33 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:41 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 32 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:33 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:41 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:33 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:41 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 52 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 52 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 52 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 52 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:33 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 87 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:41 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 92 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 92 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 92 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 92 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:41 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 97 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:33 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 97 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 97 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 97 | write_bytes_le!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:41 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 102 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:33 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 102 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 102 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0658]: `let` expressions in this position are experimental [INFO] [stderr] --> src/bytewrite.rs:11:17 [INFO] [stderr] | [INFO] [stderr] 11 | let _ = let _ = let _ = let _ = let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 102 | write_bytes_be!(buf, n); [INFO] [stderr] | ------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: see issue #53667 for more information [INFO] [stderr] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stderr] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stderr] = note: this error originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 50 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] error: aborting due to 50 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `av-bitstream` due to 51 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 27 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 32 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 37 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 42 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 47 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 52 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 87 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 92 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 97 | write_bytes_le!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_le` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bytewrite.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] ... [INFO] [stdout] 102 | write_bytes_be!(buf, n); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `write_bytes_be` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 11 | let _ = &mut $buf[..bytes.len()].copy_from_slice(&bytes); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "b16f623b5b0cabb205c21c36d739900a1549eccc3b14be9c2880437962d409dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b16f623b5b0cabb205c21c36d739900a1549eccc3b14be9c2880437962d409dd", kill_on_drop: false }` [INFO] [stdout] b16f623b5b0cabb205c21c36d739900a1549eccc3b14be9c2880437962d409dd