[INFO] cloning repository https://github.com/sangwon090/gyeran
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sangwon090/gyeran" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsangwon090%2Fgyeran", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsangwon090%2Fgyeran'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4005aa68ba20f363907a8e8db01c3a61250434b6
[INFO] checking sangwon090/gyeran against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsangwon090%2Fgyeran" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sangwon090/gyeran on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sangwon090/gyeran
[INFO] finished tweaking git repo https://github.com/sangwon090/gyeran
[INFO] tweaked toml for git repo https://github.com/sangwon090/gyeran written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sangwon090/gyeran 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5b8139f8d91aafe56d1fa5d70c5a57312a1c565fa4139e7d92db68df70a75d
[INFO] running `Command { std: "docker" "start" "-a" "7b5b8139f8d91aafe56d1fa5d70c5a57312a1c565fa4139e7d92db68df70a75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5b8139f8d91aafe56d1fa5d70c5a57312a1c565fa4139e7d92db68df70a75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5b8139f8d91aafe56d1fa5d70c5a57312a1c565fa4139e7d92db68df70a75d", kill_on_drop: false }`
[INFO] [stdout] 7b5b8139f8d91aafe56d1fa5d70c5a57312a1c565fa4139e7d92db68df70a75d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56478797773c2c9e6f03c89fa00a87543cbc752b0fad9eeb1d2d97003d35c23
[INFO] running `Command { std: "docker" "start" "-a" "d56478797773c2c9e6f03c89fa00a87543cbc752b0fad9eeb1d2d97003d35c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking gyeran v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/container/egg/mod.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/container/egg/mod.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ExtraField16 {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 27 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraField16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ExtraField32 {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 34 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     size: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraField32` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct EncryptionHeader128 {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 41 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     size: [u8; 17],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     method: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 45 |     verification: [u8; 12],
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 46 |     crc32: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     aes_header: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 48 |     aes_footer: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EncryptionHeader128` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct EncryptionHeader256 {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 53 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     size: [u8; 17],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     method: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 57 |     verification: [u8; 12],
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 58 |     crc32: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 59 |     aes_header: [u8; 18],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 60 |     aes_footer: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EncryptionHeader256` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct PosixFileInfo {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 74 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 75 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 76 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     mode: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     uid: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 79 |     gid: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 80 |     last_modified: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PosixFileInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, and `data` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct DummyHeader {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 85 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 86 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 88 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DummyHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, and `comment` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct CommentHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 103 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 104 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 105 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     comment: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommentHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, `prev_file_id`, and `next_file_id` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct SplitHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 111 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 112 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 113 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 114 |     prev_file_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 115 |     next_file_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SplitHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct SolidHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 120 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 121 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 122 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolidHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ExtraField16 {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 27 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraField16` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ExtraField32 {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 34 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     size: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExtraField32` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct EncryptionHeader128 {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 41 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 43 |     size: [u8; 17],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     method: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 45 |     verification: [u8; 12],
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 46 |     crc32: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 47 |     aes_header: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 48 |     aes_footer: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EncryptionHeader128` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct EncryptionHeader256 {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 53 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     size: [u8; 17],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     method: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 57 |     verification: [u8; 12],
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 58 |     crc32: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 59 |     aes_header: [u8; 18],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 60 |     aes_footer: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EncryptionHeader256` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/container/egg/header.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct PosixFileInfo {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 74 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 75 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 76 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     mode: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     uid: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 79 |     gid: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 80 |     last_modified: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PosixFileInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, and `data` are never read
[INFO] [stdout]   --> src/container/egg/header.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct DummyHeader {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 85 |     signature: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 86 |     flag: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     size: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 88 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DummyHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, and `comment` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct CommentHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 103 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 104 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 105 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     comment: Vec<u8>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CommentHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, `size`, `prev_file_id`, and `next_file_id` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct SplitHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 111 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 112 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 113 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 114 |     prev_file_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 115 |     next_file_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SplitHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signature`, `flag`, and `size` are never read
[INFO] [stdout]    --> src/container/egg/header.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct SolidHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 120 |     signature: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 121 |     flag: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 122 |     size: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolidHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "d56478797773c2c9e6f03c89fa00a87543cbc752b0fad9eeb1d2d97003d35c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56478797773c2c9e6f03c89fa00a87543cbc752b0fad9eeb1d2d97003d35c23", kill_on_drop: false }`
[INFO] [stdout] d56478797773c2c9e6f03c89fa00a87543cbc752b0fad9eeb1d2d97003d35c23
