[INFO] cloning repository https://github.com/lucasAxberg/mp3-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucasAxberg/mp3-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlucasAxberg%2Fmp3-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlucasAxberg%2Fmp3-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c94b8c78448197948f343a2f68d5ed42c71fe26
[INFO] checking lucasAxberg/mp3-tool against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlucasAxberg%2Fmp3-tool" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lucasAxberg/mp3-tool
[INFO] finished tweaking git repo https://github.com/lucasAxberg/mp3-tool
[INFO] tweaked toml for git repo https://github.com/lucasAxberg/mp3-tool written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lucasAxberg/mp3-tool on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lucasAxberg/mp3-tool 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ac9131c856cc58d220d5887bc6b491e5f432d49b7bfbca75afd4a283745ce9
[INFO] running `Command { std: "docker" "start" "-a" "23ac9131c856cc58d220d5887bc6b491e5f432d49b7bfbca75afd4a283745ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ac9131c856cc58d220d5887bc6b491e5f432d49b7bfbca75afd4a283745ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ac9131c856cc58d220d5887bc6b491e5f432d49b7bfbca75afd4a283745ce9", kill_on_drop: false }`
[INFO] [stdout] 23ac9131c856cc58d220d5887bc6b491e5f432d49b7bfbca75afd4a283745ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebf8ce2fe6f9244b1b364c36aa9a76eb312270167cdd3b232bb8062aa027a7d
[INFO] running `Command { std: "docker" "start" "-a" "4ebf8ce2fe6f9244b1b364c36aa9a76eb312270167cdd3b232bb8062aa027a7d", kill_on_drop: false }`
[INFO] [stderr]     Checking id3lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bytes_to_ascii_string` is never used
[INFO] [stdout]  --> src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn bytes_to_ascii_string(bytes: &[u8]) -> Result<String, StringParseError> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_to_utf16_string` is never used
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn bytes_to_utf16_string(bytes: &[u8]) -> Result<String, StringParseError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeaderFlag` is never constructed
[INFO] [stdout]    --> src/lib.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct HeaderFlag(u8);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `UNSYNCHRONISATION`, `EXTENDED_HEADER`, and `EXPERIMENTAL_INDICATOR` are never used
[INFO] [stdout]    --> src/lib.rs:131:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl HeaderFlag {
[INFO] [stdout]     | --------------- associated constants in this implementation
[INFO] [stdout] 131 |     pub const UNSYNCHRONISATION: Self = HeaderFlag(0b_1000_0000);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 132 |     pub const EXTENDED_HEADER: Self = HeaderFlag(0b_0100_0000);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 133 |     pub const EXPERIMENTAL_INDICATOR: Self = HeaderFlag(0b_0010_0000);
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Header` is never constructed
[INFO] [stdout]    --> src/lib.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | struct Header {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_from`, `valid_bytes`, `has_flag`, `set_flag`, and `unset_flag` are never used
[INFO] [stdout]    --> src/lib.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl Header {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 153 |     fn read_from(reader: &mut impl Read) -> Result<Self, ID3Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     fn valid_bytes(bytes: [u8; 10]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     fn has_flag(&self, flag: HeaderFlag) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn set_flag(&mut self, flag: HeaderFlag) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn unset_flag(&mut self, flag: HeaderFlag) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExtendedHeader` is never constructed
[INFO] [stdout]    --> src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | struct ExtendedHeader {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_from`, `size`, `crc`, and `padding_size` are never used
[INFO] [stdout]    --> src/lib.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl ExtendedHeader {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 210 |     fn read_from(reader: &mut impl Read) -> Result<Self, ID3Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn size(&self) -> u32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     fn crc(&self) -> Option<u32>{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn padding_size(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frame_id`, `size`, and `flags` are never read
[INFO] [stdout]   --> src/frame.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct FrameHeader {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 26 |     frame_id: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     size: [u8; 4],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     flags: [u8; 2]
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_from`, `size`, `id`, `has_flag`, `set_flag`, and `unset_flag` are never used
[INFO] [stdout]   --> src/frame.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl FrameHeader {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 32 |     fn read_from(reader: &mut impl Read) -> Result<Self, ID3Error> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn size(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn id(&self) -> String {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn has_flag(&self, flag: FrameFlag) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn set_flag(&mut self, flag: FrameFlag) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn unset_flag(&mut self, flag: FrameFlag) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `internal_data` is never used
[INFO] [stdout]   --> src/frame.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl FrameData {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 89 |     fn internal_data(&self) -> &Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `data` are never read
[INFO] [stdout]    --> src/frame.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct Frame {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 104 |     header: FrameHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 105 |     data: FrameData
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_from`, `id`, and `data` are never used
[INFO] [stdout]    --> src/frame.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl Frame {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 109 |     fn read_from(reader: &mut impl Read) -> Result<Self, ID3Error>{
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn id(&self) -> String {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn data(&self) -> &Vec<u8> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]    --> src/lib.rs:599:13
[INFO] [stdout]     |
[INFO] [stdout] 599 |         let string = "Castle Rat".to_string();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `identifier`, `version`, and `size` are never read
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 145 | struct Header {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 146 |     identifier: [u8; 3],
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 147 |     version: [u8; 2],
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 148 |     flags: u8,
[INFO] [stdout] 149 |     size: SyncSafe
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "4ebf8ce2fe6f9244b1b364c36aa9a76eb312270167cdd3b232bb8062aa027a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebf8ce2fe6f9244b1b364c36aa9a76eb312270167cdd3b232bb8062aa027a7d", kill_on_drop: false }`
[INFO] [stdout] 4ebf8ce2fe6f9244b1b364c36aa9a76eb312270167cdd3b232bb8062aa027a7d
