[INFO] cloning repository https://github.com/Alexander-Prime/unsarc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexander-Prime/unsarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander-Prime%2Funsarc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander-Prime%2Funsarc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78413a24ba6babf5e00825b19a64e92d8a8c1fea
[INFO] checking Alexander-Prime/unsarc against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexander-Prime%2Funsarc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Alexander-Prime/unsarc
[INFO] finished tweaking git repo https://github.com/Alexander-Prime/unsarc
[INFO] tweaked toml for git repo https://github.com/Alexander-Prime/unsarc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Alexander-Prime/unsarc on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Alexander-Prime/unsarc 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f452cbea26eab01a2eaf6f90d4ce38b47b9225de42c5ddd611140be69f2b473
[INFO] running `Command { std: "docker" "start" "-a" "8f452cbea26eab01a2eaf6f90d4ce38b47b9225de42c5ddd611140be69f2b473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f452cbea26eab01a2eaf6f90d4ce38b47b9225de42c5ddd611140be69f2b473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f452cbea26eab01a2eaf6f90d4ce38b47b9225de42c5ddd611140be69f2b473", kill_on_drop: false }`
[INFO] [stdout] 8f452cbea26eab01a2eaf6f90d4ce38b47b9225de42c5ddd611140be69f2b473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2230feae0f0acbcfba19ab29daa2debd61c1c2ad3429527d9fd8780447ca6ba9
[INFO] running `Command { std: "docker" "start" "-a" "2230feae0f0acbcfba19ab29daa2debd61c1c2ad3429527d9fd8780447ca6ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking unsarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sarc/reader.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub input: Box<Read>,
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub input: Box<dyn Read>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yaz0/reader.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     input: Box<Read>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     input: Box<dyn Read>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sarc/reader.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_reader(mut input: Box<Read>) -> Result<SarcReader> {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_reader(mut input: Box<dyn Read>) -> Result<SarcReader> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yaz0/reader.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn from_reader(input: Box<Read>) -> Result<Yaz0Reader> {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn from_reader(input: Box<dyn Read>) -> Result<Yaz0Reader> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sarc/reader.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub input: Box<Read>,
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub input: Box<dyn Read>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yaz0/reader.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     input: Box<Read>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     input: Box<dyn Read>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sarc/reader.rs:27:39
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_reader(mut input: Box<Read>) -> Result<SarcReader> {
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn from_reader(mut input: Box<dyn Read>) -> Result<SarcReader> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yaz0/reader.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn from_reader(input: Box<Read>) -> Result<Yaz0Reader> {
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn from_reader(input: Box<dyn Read>) -> Result<Yaz0Reader> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bufmt` is never constructed
[INFO] [stdout]  --> src/bufmt.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bufmt<'a>(pub &'a [u8]);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `header` are never read
[INFO] [stdout]   --> src/sarc/reader.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SarcReader {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 13 |     pub input: Box<Read>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub header: Header,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/sarc/reader.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SarcReader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn open(path: &str) -> Result<SarcReader> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_size` is never read
[INFO] [stdout]   --> src/sarc/header.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Header {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub file_size: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename_hash`, `flags`, `start_offset`, and `end_offset` are never read
[INFO] [stdout]  --> src/sarc/node.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     pub filename_hash: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub flags: u16,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub filename_offset: u16,
[INFO] [stdout] 7 |     pub start_offset: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub end_offset: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_key` is never read
[INFO] [stdout]   --> src/sarc/sfat.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Sfat {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub hash_key: u32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header_length` and `reserved` are never read
[INFO] [stdout]   --> src/sarc/sfnt.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Sfnt {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     pub header_length: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub reserved: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/yaz0/reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Yaz0Reader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn open(path: &str) -> Result<Yaz0Reader> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bufmt` is never constructed
[INFO] [stdout]  --> src/bufmt.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bufmt<'a>(pub &'a [u8]);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `header` are never read
[INFO] [stdout]   --> src/sarc/reader.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SarcReader {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 13 |     pub input: Box<Read>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub header: Header,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/sarc/reader.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SarcReader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn open(path: &str) -> Result<SarcReader> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_size` is never read
[INFO] [stdout]   --> src/sarc/header.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Header {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub file_size: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename_hash`, `flags`, `start_offset`, and `end_offset` are never read
[INFO] [stdout]  --> src/sarc/node.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     pub filename_hash: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub flags: u16,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub filename_offset: u16,
[INFO] [stdout] 7 |     pub start_offset: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub end_offset: u32,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_key` is never read
[INFO] [stdout]   --> src/sarc/sfat.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Sfat {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub hash_key: u32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header_length` and `reserved` are never read
[INFO] [stdout]   --> src/sarc/sfnt.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Sfnt {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     pub header_length: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub reserved: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/yaz0/reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Yaz0Reader {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn open(path: &str) -> Result<Yaz0Reader> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 file.read(&mut buf[..]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let _ = file.read(&mut buf[..]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 file.read(&mut buf[..]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let _ = file.read(&mut buf[..]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 file.seek(SeekFrom::Start(0x00));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let _ = file.seek(SeekFrom::Start(0x00));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/bufmt.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |                     write!(f, "{} ", byte);
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bufmt.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     write!(f, "{:02x} ", byte);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bufmt.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     write!(f, "{:02X} ", byte);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sarc/reader.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn nodes(&self) -> NodeIterator {
[INFO] [stdout]    |                  ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn nodes(&self) -> NodeIterator<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             self.input.read(&mut chunk[..=0x00]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let _ = self.input.read(&mut chunk[..=0x00]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     self.input.read(&mut self.output[new_len - 1..new_len]);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     let _ = self.input.read(&mut self.output[new_len - 1..new_len]);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     self.input.read(&mut chunk[..=0x01]);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let _ = self.input.read(&mut chunk[..=0x01]);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         self.input.read(&mut chunk[0x02..=0x02]);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         let _ = self.input.read(&mut chunk[0x02..=0x02]);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     slow_copy_within(&mut self.output[..], copy_start, size, old_len);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     let _ = slow_copy_within(&mut self.output[..], copy_start, size, old_len);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 file.seek(SeekFrom::Start(0x00));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let _ = file.seek(SeekFrom::Start(0x00));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/bufmt.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |                     write!(f, "{} ", byte);
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bufmt.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     write!(f, "{:02x} ", byte);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/bufmt.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |                     write!(f, "{:02X} ", byte);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sarc/reader.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn nodes(&self) -> NodeIterator {
[INFO] [stdout]    |                  ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn nodes(&self) -> NodeIterator<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             self.input.read(&mut chunk[..=0x00]);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let _ = self.input.read(&mut chunk[..=0x00]);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     self.input.read(&mut self.output[new_len - 1..new_len]);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                     let _ = self.input.read(&mut self.output[new_len - 1..new_len]);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     self.input.read(&mut chunk[..=0x01]);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     let _ = self.input.read(&mut chunk[..=0x01]);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         self.input.read(&mut chunk[0x02..=0x02]);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                         let _ = self.input.read(&mut chunk[0x02..=0x02]);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/yaz0/reader.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     slow_copy_within(&mut self.output[..], copy_start, size, old_len);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     let _ = slow_copy_within(&mut self.output[..], copy_start, size, old_len);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "2230feae0f0acbcfba19ab29daa2debd61c1c2ad3429527d9fd8780447ca6ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2230feae0f0acbcfba19ab29daa2debd61c1c2ad3429527d9fd8780447ca6ba9", kill_on_drop: false }`
[INFO] [stdout] 2230feae0f0acbcfba19ab29daa2debd61c1c2ad3429527d9fd8780447ca6ba9
