[INFO] cloning repository https://github.com/raldone01/no_std_io_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raldone01/no_std_io_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraldone01%2Fno_std_io_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraldone01%2Fno_std_io_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 610ddca876fa7372827016d02d3297c9d9e82393
[INFO] checking raldone01/no_std_io_rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraldone01%2Fno_std_io_rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raldone01/no_std_io_rs
[INFO] finished tweaking git repo https://github.com/raldone01/no_std_io_rs
[INFO] tweaked toml for git repo https://github.com/raldone01/no_std_io_rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raldone01/no_std_io_rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raldone01/no_std_io_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8b93a94e1e642246629e797bd788585fd90b232909a43c20767cc220cd2d9aa
[INFO] running `Command { std: "docker" "start" "-a" "d8b93a94e1e642246629e797bd788585fd90b232909a43c20767cc220cd2d9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b93a94e1e642246629e797bd788585fd90b232909a43c20767cc220cd2d9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b93a94e1e642246629e797bd788585fd90b232909a43c20767cc220cd2d9aa", kill_on_drop: false }`
[INFO] [stdout] d8b93a94e1e642246629e797bd788585fd90b232909a43c20767cc220cd2d9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b0bba327d9b27024bec027f8c05037a77276ab04e4a519fcd6f43ad4dc821e
[INFO] running `Command { std: "docker" "start" "-a" "69b0bba327d9b27024bec027f8c05037a77276ab04e4a519fcd6f43ad4dc821e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zerocopy-derive v0.8.26
[INFO] [stderr]     Checking no_std_io v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> src/extended_streams/compression/reader_compressed.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]   = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut`, `convert::Infallible`, `mem::MaybeUninit`, and `self`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   convert::Infallible,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |   hash::{BuildHasher, Hash},
[INFO] [stdout] 4 |   mem::MaybeUninit,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |   ops::{Index, IndexMut, RangeBounds},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 6 |   slice::{self, SliceIndex},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResizeError`
[INFO] [stdout]   --> src/limited_collections/limited_hash_map.rs:17:55
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{BackingBuffer, LimitedBackingBufferError, ResizeError};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vfs::*`
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use vfs::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TarParserOptions`
[INFO] [stdout]  --> src/extended_streams/tar/tar_test/mod.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     TarInode, TarParser, TarParserOptions,
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]   = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `expr` fragment specifier will accept more expressions in the 2024 edition
[INFO] [stdout]   --> src/extended_streams/tar/tar_test/mod.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |   ($file_path:expr) => {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see Migration Guide <https://doc.rust-lang.org/edition-guide/rust-2024/macro-fragment-specifiers.html>
[INFO] [stdout]    = note: `-W edition-2024-expr-fragment-specifier` implied by `-W rust-2024-compatibility`
[INFO] [stdout]    = help: to override `-W rust-2024-compatibility` add `#[allow(edition_2024_expr_fragment_specifier)]`
[INFO] [stdout] help: to keep the existing behavior, use the `expr_2021` fragment specifier
[INFO] [stdout]    |
[INFO] [stdout] 64 |   ($file_path:expr_2021) => {
[INFO] [stdout]    |                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut`, `convert::Infallible`, `mem::MaybeUninit`, and `self`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   convert::Infallible,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |   hash::{BuildHasher, Hash},
[INFO] [stdout] 4 |   mem::MaybeUninit,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |   ops::{Index, IndexMut, RangeBounds},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 6 |   slice::{self, SliceIndex},
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResizeError`
[INFO] [stdout]   --> src/limited_collections/limited_hash_map.rs:17:55
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{BackingBuffer, LimitedBackingBufferError, ResizeError};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vfs::*`
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use vfs::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BackingBuffer`
[INFO] [stdout]   --> src/limited_collections/limited_hash_map.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{BackingBuffer, LimitedBackingBufferError, ResizeError};
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceIndex`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |   slice::{self, SliceIndex},
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   ops::{Index, IndexMut, RangeBounds},
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/core_streams/reader_buffered.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     skip: bool, // TODO: Use this parameter to skip copying data to the internal buffer.
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W unused-variables` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[allow(unused_variables)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceIndex`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |   slice::{self, SliceIndex},
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/limited_collections/limited_hash_map.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   ops::{Index, IndexMut, RangeBounds},
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BackingBuffer`
[INFO] [stdout]   --> src/limited_collections/limited_hash_map.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{BackingBuffer, LimitedBackingBufferError, ResizeError};
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip`
[INFO] [stdout]   --> src/core_streams/reader_buffered.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     skip: bool, // TODO: Use this parameter to skip copying data to the internal buffer.
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_skip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `-W unused-variables` implied by `-W unused`
[INFO] [stdout]    = help: to override `-W unused` add `#[allow(unused_variables)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:790:28
[INFO] [stdout]     |
[INFO] [stdout] 790 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:777:28
[INFO] [stdout]     |
[INFO] [stdout] 777 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:765:28
[INFO] [stdout]     |
[INFO] [stdout] 765 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `typeflag` is never read
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:591:24
[INFO] [stdout]     |
[INFO] [stdout] 591 |     let mut typeflag = TarTypeFlag::UnknownTypeFlag(255);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `-W unused-assignments` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_assignments)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]     --> src/extended_streams/tar/tar_parser.rs:1060:24
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     self.finish_inode(|selv, inode_state| FileEntry::RegularFile(inode_state.into()));
[INFO] [stdout]      |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:790:28
[INFO] [stdout]     |
[INFO] [stdout] 790 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:777:28
[INFO] [stdout]     |
[INFO] [stdout] 777 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:765:28
[INFO] [stdout]     |
[INFO] [stdout] 765 |         self.finish_inode(|selv, inode_state| {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `typeflag` is never read
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:591:24
[INFO] [stdout]     |
[INFO] [stdout] 591 |     let mut typeflag = TarTypeFlag::UnknownTypeFlag(255);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `-W unused-assignments` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_assignments)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selv`
[INFO] [stdout]     --> src/extended_streams/tar/tar_parser.rs:1060:24
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     self.finish_inode(|selv, inode_state| FileEntry::RegularFile(inode_state.into()));
[INFO] [stdout]      |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_selv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/limited_collections/limited_hash_map.rs:142:31
[INFO] [stdout]     |
[INFO] [stdout] 142 |   pub fn retain<F>(&mut self, mut f: F)
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-mut` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_mut)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/limited_collections/limited_hash_map.rs:142:31
[INFO] [stdout]     |
[INFO] [stdout] 142 |   pub fn retain<F>(&mut self, mut f: F)
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-mut` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_mut)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PaxConfidence` is more private than the item `PaxParserError::WellKnownKeyAppearedInWrongPaxContext::expected_context`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     expected_context: PaxConfidence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `PaxParserError::WellKnownKeyAppearedInWrongPaxContext::expected_context` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `PaxConfidence` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum PaxConfidence {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PaxConfidence` is more private than the item `PaxParserError::WellKnownKeyAppearedInWrongPaxContext::actual_context`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     actual_context: PaxConfidence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `PaxParserError::WellKnownKeyAppearedInWrongPaxContext::actual_context` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `PaxConfidence` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum PaxConfidence {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_offset` and `parse_longnames` are never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:383:10
[INFO] [stdout]     |
[INFO] [stdout] 368 | impl GnuHeaderAdditions {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 383 |   pub fn parse_offset(&self) -> Result<u64, ParseOctalError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |   pub fn parse_longnames(&self) -> Result<u32, ParseOctalError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W dead-code` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHARSET` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |   pub const CHARSET: &str = "charset";
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMMENT` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:497:13
[INFO] [stdout]     |
[INFO] [stdout] 497 |   pub const COMMENT: &str = "comment";
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HDRCHARSET` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |   pub const HDRCHARSET: &str = "hdrcharset";
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_with_confidence` are never used
[INFO] [stdout]   --> src/extended_streams/tar/confident_value.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<C: Ord, T> ConfidentValue<C, T> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 13 |   #[must_use]
[INFO] [stdout] 14 |   pub fn new(initial_confidence: C, initial_value: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |   pub fn get_with_confidence(&self) -> Option<(&C, &T)> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:150:82
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn read(&mut self, output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]     |  __________________________________________________________________________________^
[INFO] [stdout] 151 | |     let reader = &mut Cursor::split(self).1;
[INFO] [stdout] 152 | |     let n = reader.read(output_buffer)?;
[INFO] [stdout] 153 | |     self.position += n;
[INFO] [stdout] 154 | |     Ok(n)
[INFO] [stdout] 155 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Ok(n)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:192:72
[INFO] [stdout]     |
[INFO] [stdout] 192 |     ) -> Result<&[u8], <Self as BufferedRead>::UnderlyingReadExactError> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 193 | |     let remaining = self.remaining().min(maximum_byte_count);
[INFO] [stdout] 194 | |     match self.read_exact_internal(remaining, peek) {
[INFO] [stdout] 195 | |       Ok(bytes) => Ok(bytes),
[INFO] [stdout] ...   |
[INFO] [stdout] 201 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | /     match self.read_exact_internal(remaining, peek) {
[INFO] [stdout] 195 | |       Ok(bytes) => Ok(bytes),
[INFO] [stdout] 196 | |       Err(ReadExactError::UnexpectedEof { .. }) => unreachable!(
[INFO] [stdout] 197 | |         "Buffered read should not return EOF, remaining bytes: {}",
[INFO] [stdout] 198 | |         remaining
[INFO] [stdout] 199 | |       ),
[INFO] [stdout] 200 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |       Ok(bytes) => Ok(bytes),
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:218:54
[INFO] [stdout]     |
[INFO] [stdout] 218 |     ) -> Result<usize, Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 219 | |     let bytes_to_skip = self.remaining().min(maximum_byte_count);
[INFO] [stdout] 220 | |     self.position += bytes_to_skip;
[INFO] [stdout] 221 | |     Ok(bytes_to_skip)
[INFO] [stdout] 222 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Ok(bytes_to_skip)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:227:54
[INFO] [stdout]     |
[INFO] [stdout] 227 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 228 | |     self.read_buffered_internal(maximum_byte_count, false)
[INFO] [stdout] 229 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     self.read_buffered_internal(maximum_byte_count, false)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:234:54
[INFO] [stdout]     |
[INFO] [stdout] 234 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 235 | |     self.read_buffered_internal(maximum_byte_count, true)
[INFO] [stdout] 236 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     self.read_buffered_internal(maximum_byte_count, true)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:22:97
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write(&mut self, input_buffer: &[u8], _sync_hint: bool) -> Result<usize, Self::WriteError> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 23 | |     Ok(input_buffer.len())
[INFO] [stdout] 24 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(input_buffer.len())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:34:83
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn read(&mut self, _output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]    |  ___________________________________________________________________________________^
[INFO] [stdout] 35 | |     Ok(0)
[INFO] [stdout] 36 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Ok(0)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let read_bytes = reader
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 159 | |     .read_buffered(temp_buffer.remaining())
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:883:25
[INFO] [stdout]     |
[INFO] [stdout] 883 |       let skipped_bytes = reader
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 884 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:903:27
[INFO] [stdout]     |
[INFO] [stdout] 903 |       let long_name_bytes = reader
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 904 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:988:21
[INFO] [stdout]     |
[INFO] [stdout] 988 |       let pax_bytes = reader
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 989 | |       .peek_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:995:5
[INFO] [stdout]     |
[INFO] [stdout] 995 |     reader.skip_buffered(bytes_read).unwrap_infallible();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]     --> src/extended_streams/tar/tar_parser.rs:1047:27
[INFO] [stdout]      |
[INFO] [stdout] 1047 |       let file_data_bytes = reader
[INFO] [stdout]      |  ___________________________^
[INFO] [stdout] 1048 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/gnu_sparse_1_0_parser.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |       let skipped_bytes = cursor
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 236 | |       .skip_buffered(state.remaining_padding)
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/pax_parser.rs:790:22
[INFO] [stdout]     |
[INFO] [stdout] 790 |     let bytes_read = cursor.read_buffered(bytes_needed).unwrap_infallible();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:165:54
[INFO] [stdout]     |
[INFO] [stdout] 165 |     ) -> Result<usize, Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 166 | |     let bytes_to_skip = self.len().min(maximum_byte_count);
[INFO] [stdout] 167 | |     *self = &self[bytes_to_skip..];
[INFO] [stdout] 168 | |     Ok(bytes_to_skip)
[INFO] [stdout] 169 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Ok(bytes_to_skip)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:174:54
[INFO] [stdout]     |
[INFO] [stdout] 174 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 175 | |     let byte_count = self.len().min(maximum_byte_count);
[INFO] [stdout] 176 | |     let bytes = &self[..byte_count];
[INFO] [stdout] 177 | |     *self = &self[byte_count..];
[INFO] [stdout] 178 | |     Ok(bytes)
[INFO] [stdout] 179 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     Ok(bytes)
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 185 | |     let byte_count = self.len().min(maximum_byte_count);
[INFO] [stdout] 186 | |     Ok(&self[..byte_count])
[INFO] [stdout] 187 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Ok(&self[..byte_count])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/traits/read.rs:64:82
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn read(&mut self, output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 65 | |     let amt = core::cmp::min(output_buffer.len(), self.len());
[INFO] [stdout] 66 | |     let (a, b) = self.split_at(amt);
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     Ok(amt)
[INFO] [stdout] 80 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/traits/read.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Ok(amt)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/traits/write.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     self.extend_from_slice(input_buffer);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `-W unused-must-use` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_must_use)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let _ = self.extend_from_slice(input_buffer);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_std_io` (lib) due to 34 previous errors; 23 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: type `pax_parser::PaxConfidence` is more private than the item `pax_parser::PaxParserError::WellKnownKeyAppearedInWrongPaxContext::expected_context`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     expected_context: PaxConfidence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `pax_parser::PaxParserError::WellKnownKeyAppearedInWrongPaxContext::expected_context` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `pax_parser::PaxConfidence` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum PaxConfidence {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pax_parser::PaxConfidence` is more private than the item `pax_parser::PaxParserError::WellKnownKeyAppearedInWrongPaxContext::actual_context`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     actual_context: PaxConfidence,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `pax_parser::PaxParserError::WellKnownKeyAppearedInWrongPaxContext::actual_context` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `pax_parser::PaxConfidence` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/extended_streams/tar/pax_parser.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(crate) enum PaxConfidence {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `parse_offset` and `parse_longnames` are never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:383:10
[INFO] [stdout]     |
[INFO] [stdout] 368 | impl GnuHeaderAdditions {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 383 |   pub fn parse_offset(&self) -> Result<u64, ParseOctalError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 387 |   pub fn parse_longnames(&self) -> Result<u32, ParseOctalError> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W dead-code` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(dead_code)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHARSET` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |   pub const CHARSET: &str = "charset";
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMMENT` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:497:13
[INFO] [stdout]     |
[INFO] [stdout] 497 |   pub const COMMENT: &str = "comment";
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HDRCHARSET` is never used
[INFO] [stdout]    --> src/extended_streams/tar/tar_constants.rs:509:13
[INFO] [stdout]     |
[INFO] [stdout] 509 |   pub const HDRCHARSET: &str = "hdrcharset";
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_with_confidence` are never used
[INFO] [stdout]   --> src/extended_streams/tar/confident_value.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<C: Ord, T> ConfidentValue<C, T> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 13 |   #[must_use]
[INFO] [stdout] 14 |   pub fn new(initial_confidence: C, initial_value: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |   pub fn get_with_confidence(&self) -> Option<(&C, &T)> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/reader_bytewise.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:150:82
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn read(&mut self, output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]     |  __________________________________________________________________________________^
[INFO] [stdout] 151 | |     let reader = &mut Cursor::split(self).1;
[INFO] [stdout] 152 | |     let n = reader.read(output_buffer)?;
[INFO] [stdout] 153 | |     self.position += n;
[INFO] [stdout] 154 | |     Ok(n)
[INFO] [stdout] 155 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let n = reader.read(output_buffer)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Ok(n)
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:192:72
[INFO] [stdout]     |
[INFO] [stdout] 192 |     ) -> Result<&[u8], <Self as BufferedRead>::UnderlyingReadExactError> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 193 | |     let remaining = self.remaining().min(maximum_byte_count);
[INFO] [stdout] 194 | |     match self.read_exact_internal(remaining, peek) {
[INFO] [stdout] 195 | |       Ok(bytes) => Ok(bytes),
[INFO] [stdout] ...   |
[INFO] [stdout] 201 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | /     match self.read_exact_internal(remaining, peek) {
[INFO] [stdout] 195 | |       Ok(bytes) => Ok(bytes),
[INFO] [stdout] 196 | |       Err(ReadExactError::UnexpectedEof { .. }) => unreachable!(
[INFO] [stdout] 197 | |         "Buffered read should not return EOF, remaining bytes: {}",
[INFO] [stdout] 198 | |         remaining
[INFO] [stdout] 199 | |       ),
[INFO] [stdout] 200 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |       Ok(bytes) => Ok(bytes),
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:218:54
[INFO] [stdout]     |
[INFO] [stdout] 218 |     ) -> Result<usize, Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 219 | |     let bytes_to_skip = self.remaining().min(maximum_byte_count);
[INFO] [stdout] 220 | |     self.position += bytes_to_skip;
[INFO] [stdout] 221 | |     Ok(bytes_to_skip)
[INFO] [stdout] 222 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     Ok(bytes_to_skip)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:227:54
[INFO] [stdout]     |
[INFO] [stdout] 227 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 228 | |     self.read_buffered_internal(maximum_byte_count, false)
[INFO] [stdout] 229 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     self.read_buffered_internal(maximum_byte_count, false)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:234:54
[INFO] [stdout]     |
[INFO] [stdout] 234 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 235 | |     self.read_buffered_internal(maximum_byte_count, true)
[INFO] [stdout] 236 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     self.read_buffered_internal(maximum_byte_count, true)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/core_streams/rw_cursor.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let n = reader.read(&mut buf).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:22:97
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write(&mut self, input_buffer: &[u8], _sync_hint: bool) -> Result<usize, Self::WriteError> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 23 | |     Ok(input_buffer.len())
[INFO] [stdout] 24 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Ok(input_buffer.len())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:34:83
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn read(&mut self, _output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]    |  ___________________________________________________________________________________^
[INFO] [stdout] 35 | |     Ok(0)
[INFO] [stdout] 36 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Ok(0)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/core_streams/rw_empty.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let bytes_read = reader.read(&mut buffer).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let read_bytes = reader
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 159 | |     .read_buffered(temp_buffer.remaining())
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:883:25
[INFO] [stdout]     |
[INFO] [stdout] 883 |       let skipped_bytes = reader
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 884 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:903:27
[INFO] [stdout]     |
[INFO] [stdout] 903 |       let long_name_bytes = reader
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 904 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:988:21
[INFO] [stdout]     |
[INFO] [stdout] 988 |       let pax_bytes = reader
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 989 | |       .peek_buffered(state.remaining_data)
[INFO] [stdout]     | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/tar_parser.rs:995:5
[INFO] [stdout]     |
[INFO] [stdout] 995 |     reader.skip_buffered(bytes_read).unwrap_infallible();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]     --> src/extended_streams/tar/tar_parser.rs:1047:27
[INFO] [stdout]      |
[INFO] [stdout] 1047 |       let file_data_bytes = reader
[INFO] [stdout]      |  ___________________________^
[INFO] [stdout] 1048 | |       .read_buffered(state.remaining_data)
[INFO] [stdout]      | |__________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/gnu_sparse_1_0_parser.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |       let skipped_bytes = cursor
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 236 | |       .skip_buffered(state.remaining_padding)
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/extended_streams/tar/pax_parser.rs:790:22
[INFO] [stdout]     |
[INFO] [stdout] 790 |     let bytes_read = cursor.read_buffered(bytes_needed).unwrap_infallible();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:165:54
[INFO] [stdout]     |
[INFO] [stdout] 165 |     ) -> Result<usize, Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 166 | |     let bytes_to_skip = self.len().min(maximum_byte_count);
[INFO] [stdout] 167 | |     *self = &self[bytes_to_skip..];
[INFO] [stdout] 168 | |     Ok(bytes_to_skip)
[INFO] [stdout] 169 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Ok(bytes_to_skip)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:174:54
[INFO] [stdout]     |
[INFO] [stdout] 174 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 175 | |     let byte_count = self.len().min(maximum_byte_count);
[INFO] [stdout] 176 | |     let bytes = &self[..byte_count];
[INFO] [stdout] 177 | |     *self = &self[byte_count..];
[INFO] [stdout] 178 | |     Ok(bytes)
[INFO] [stdout] 179 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     Ok(bytes)
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:184:54
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ) -> Result<&[u8], Self::UnderlyingReadExactError> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 185 | |     let byte_count = self.len().min(maximum_byte_count);
[INFO] [stdout] 186 | |     Ok(&self[..byte_count])
[INFO] [stdout] 187 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/traits/buffered_read.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Ok(&self[..byte_count])
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/traits/read.rs:64:82
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn read(&mut self, output_buffer: &mut [u8]) -> Result<usize, Self::ReadError> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 65 | |     let amt = core::cmp::min(output_buffer.len(), self.len());
[INFO] [stdout] 66 | |     let (a, b) = self.split_at(amt);
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |     Ok(amt)
[INFO] [stdout] 80 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/traits/read.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Ok(amt)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/read.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let bytes_read = reader.read(&mut output_buffer).unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/traits/read.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let bytes_read = reader.read(&mut output_buffer).unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/traits/write.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     self.extend_from_slice(input_buffer);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `-W unused-must-use` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_must_use)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let _ = self.extend_from_slice(input_buffer);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_std_io` (lib test) due to 46 previous errors; 24 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "69b0bba327d9b27024bec027f8c05037a77276ab04e4a519fcd6f43ad4dc821e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b0bba327d9b27024bec027f8c05037a77276ab04e4a519fcd6f43ad4dc821e", kill_on_drop: false }`
[INFO] [stdout] 69b0bba327d9b27024bec027f8c05037a77276ab04e4a519fcd6f43ad4dc821e
