[INFO] cloning repository https://github.com/tweedegolf/pcap-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tweedegolf/pcap-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fpcap-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fpcap-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fadf72fdb0279caaaa2fab0a22bd424914c48db
[INFO] checking tweedegolf/pcap-workshop against try#26ad8a85dc4eed299af809e52f278da81e284602 for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweedegolf%2Fpcap-workshop" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tweedegolf/pcap-workshop on toolchain 26ad8a85dc4eed299af809e52f278da81e284602
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tweedegolf/pcap-workshop
[INFO] finished tweaking git repo https://github.com/tweedegolf/pcap-workshop
[INFO] tweaked toml for git repo https://github.com/tweedegolf/pcap-workshop written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tweedegolf/pcap-workshop 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" "+26ad8a85dc4eed299af809e52f278da81e284602" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015f436ea54120c910425f7bed5294d86c492bf22b4f3e0150b6fb3b39fc371d
[INFO] running `Command { std: "docker" "start" "-a" "015f436ea54120c910425f7bed5294d86c492bf22b4f3e0150b6fb3b39fc371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015f436ea54120c910425f7bed5294d86c492bf22b4f3e0150b6fb3b39fc371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015f436ea54120c910425f7bed5294d86c492bf22b4f3e0150b6fb3b39fc371d", kill_on_drop: false }`
[INFO] [stdout] 015f436ea54120c910425f7bed5294d86c492bf22b4f3e0150b6fb3b39fc371d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+26ad8a85dc4eed299af809e52f278da81e284602" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5d12286a607a3f7153304ed40b725e0090903c27f2d6fc9b19f4cd340ba7c07
[INFO] running `Command { std: "docker" "start" "-a" "e5d12286a607a3f7153304ed40b725e0090903c27f2d6fc9b19f4cd340ba7c07", kill_on_drop: false }`
[INFO] [stderr]     Checking pcap_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]   --> src/step1.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/step1.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]   --> src/step1.rs:46:52
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]  --> src/step2.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]  --> src/step2.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]  --> src/step2.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_order_magic`
[INFO] [stdout]   --> src/step2.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let byte_order_magic = parse_u32(Endianness::Le, data, 8)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_order_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]  --> src/step3.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]  --> src/step3.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]  --> src/step3.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_order_magic`
[INFO] [stdout]   --> src/step3.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let byte_order_magic = parse_u32(Endianness::Le, data, 8).ok_or(InputTooShort)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_order_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Endianness` is never used
[INFO] [stdout]  --> src/step1.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Endianness {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SectionHeaderBlock` is never constructed
[INFO] [stdout]  --> src/step1.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SectionHeaderBlock<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/step1.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> SectionHeaderBlock<'a> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 14 |     fn parse(data: &'a [u8]) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]   --> src/step1.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u32` is never used
[INFO] [stdout]   --> src/step1.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_u32(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_array` is never used
[INFO] [stdout]   --> src/step1.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_array<T, const N: usize>(slice: &[T], start_index: usize) -> Option<&[T; N]> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_array` is never used
[INFO] [stdout]  --> src/step2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_array<T, const N: usize>(slice: &[T], start_index: usize) -> Option<&[T; N]> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]  --> src/step2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u32` is never used
[INFO] [stdout]  --> src/step2.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_u32(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Endianness` is never used
[INFO] [stdout]   --> src/step2.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Endianness {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SectionHeaderBlock` is never constructed
[INFO] [stdout]   --> src/step2.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SectionHeaderBlock<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/step2.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'a> SectionHeaderBlock<'a> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 30 |     fn parse(data: &'a [u8]) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_array` is never used
[INFO] [stdout]  --> src/step3.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_array<T, const N: usize>(slice: &[T], start_index: usize) -> Option<&[T; N]> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]  --> src/step3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u32` is never used
[INFO] [stdout]  --> src/step3.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parse_u32(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Endianness` is never used
[INFO] [stdout]   --> src/step3.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Endianness {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]   --> src/step3.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ParseError {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SectionHeaderBlock` is never constructed
[INFO] [stdout]   --> src/step3.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct SectionHeaderBlock<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/step3.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a> SectionHeaderBlock<'a> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     fn parse(data: &'a [u8]) -> Result<Self, ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]   --> src/step1.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]   --> src/step1.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]   --> src/step1.rs:46:52
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]  --> src/step2.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]  --> src/step2.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]  --> src/step2.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_order_magic`
[INFO] [stdout]   --> src/step2.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let byte_order_magic = parse_u32(Endianness::Le, data, 8)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_order_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endianness`
[INFO] [stdout]  --> src/step3.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]  --> src/step3.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_index`
[INFO] [stdout]  --> src/step3.rs:5:52
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_order_magic`
[INFO] [stdout]   --> src/step3.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let byte_order_magic = parse_u32(Endianness::Le, data, 8).ok_or(InputTooShort)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_order_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `major_version` and `minor_version` are never read
[INFO] [stdout]  --> src/step1.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct SectionHeaderBlock<'a> {
[INFO] [stdout]   |        ------------------ fields in this struct
[INFO] [stdout] 8 |     major_version: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 9 |     minor_version: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SectionHeaderBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]   --> src/step1.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u32` is never used
[INFO] [stdout]   --> src/step1.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_u32(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_array` is never used
[INFO] [stdout]   --> src/step1.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn get_array<T, const N: usize>(slice: &[T], start_index: usize) -> Option<&[T; N]> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]  --> src/step2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Be` is never constructed
[INFO] [stdout]   --> src/step2.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Endianness {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 18 |     Le,
[INFO] [stdout] 19 |     Be,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_u16` is never used
[INFO] [stdout]  --> src/step3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_u16(endianness: Endianness, slice: &[u8], start_index: usize) -> Option<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Be` is never constructed
[INFO] [stdout]   --> src/step3.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Endianness {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 18 |     Le,
[INFO] [stdout] 19 |     Be,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "e5d12286a607a3f7153304ed40b725e0090903c27f2d6fc9b19f4cd340ba7c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d12286a607a3f7153304ed40b725e0090903c27f2d6fc9b19f4cd340ba7c07", kill_on_drop: false }`
[INFO] [stdout] e5d12286a607a3f7153304ed40b725e0090903c27f2d6fc9b19f4cd340ba7c07