[INFO] updating cached repository https://github.com/Cubeasauros/audio_maker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4359cd5561ab69e5f771da2b91b9b07da57736a3
[INFO] testing Cubeasauros/audio_maker against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCubeasauros%2Faudio_maker" "work/builds/worker-8/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cubeasauros/audio_maker on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Cubeasauros/audio_maker
[INFO] finished tweaking git repo https://github.com/Cubeasauros/audio_maker
[INFO] tweaked toml for git repo https://github.com/Cubeasauros/audio_maker written to work/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Cubeasauros/audio_maker already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 3359d6b51164d8aa7fc4434ae297407d1ece375038cdd2f0c2f96b7319a061ec
[INFO] running `"docker" "start" "-a" "3359d6b51164d8aa7fc4434ae297407d1ece375038cdd2f0c2f96b7319a061ec"`
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/audio_test/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fmtType` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to snake case: `fmt_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `numChannels` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: convert the identifier to snake case: `num_channels`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:44
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bitsPerSample` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:59
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `bits_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/audio_test/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 sample.write_u32::<LittleEndian>(sample16bit);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/audio_test/mod.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         file.write(&audfile);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fmtType` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:16
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                ^^^^^^^ help: convert the identifier to snake case: `fmt_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `numChannels` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:28
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: convert the identifier to snake case: `num_channels`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:44
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bitsPerSample` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:59
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `bits_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `byteorder::LittleEndian`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::LittleEndian;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use byteorder::{BigEndian,WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^ ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `b` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut b:Vec<u8>=Vec::new();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     b=b"Hello world".to_vec();
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut music_vec:Vec<f32>=Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mani`
[INFO] [stderr]   --> src/main.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn mani(){
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ma`
[INFO] [stderr]   --> src/main.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn ma(){
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mainok`
[INFO] [stderr]    --> src/main.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn mainok() {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_to_bytes`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn file_to_bytes(path:&Path)->Result<Vec<u8>,std::io::Error>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let sampleRate=44100.0;
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     newfile.write(&test());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     new_image.write(&img);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "3359d6b51164d8aa7fc4434ae297407d1ece375038cdd2f0c2f96b7319a061ec"`
[INFO] running `"docker" "rm" "-f" "3359d6b51164d8aa7fc4434ae297407d1ece375038cdd2f0c2f96b7319a061ec"`
[INFO] [stdout] 3359d6b51164d8aa7fc4434ae297407d1ece375038cdd2f0c2f96b7319a061ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4313ad21dbd89ae47561c299ff5a37175b6934f3f2eabda3bd5121602c1cbbd4
[INFO] running `"docker" "start" "-a" "4313ad21dbd89ae47561c299ff5a37175b6934f3f2eabda3bd5121602c1cbbd4"`
[INFO] [stderr]    Compiling test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `byteorder::LittleEndian`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::LittleEndian;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `WriteBytesExt`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use byteorder::{BigEndian,WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^ ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/audio_test/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `b` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut b:Vec<u8>=Vec::new();
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     b=b"Hello world".to_vec();
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fmtType` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to snake case: `fmt_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `numChannels` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: convert the identifier to snake case: `num_channels`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:44
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bitsPerSample` should have a snake case name
[INFO] [stderr]   --> src/audio_test/mod.rs:68:59
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16)->Wave{
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `bits_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut music_vec:Vec<f32>=Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/audio_test/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 sample.write_u32::<LittleEndian>(sample16bit);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/audio_test/mod.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         file.write(&audfile);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fmtType` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:16
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                ^^^^^^^ help: convert the identifier to snake case: `fmt_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `numChannels` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:28
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: convert the identifier to snake case: `num_channels`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:44
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bitsPerSample` should have a snake case name
[INFO] [stderr]    --> src/audio_test/mod.rs:253:59
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn new(fmtType:u16,numChannels:u16,sampleRate:u32,bitsPerSample:u16,)->WaveHeader{
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: convert the identifier to snake case: `bits_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mani`
[INFO] [stderr]   --> src/main.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn mani(){
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ma`
[INFO] [stderr]   --> src/main.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn ma(){
[INFO] [stderr]    | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mainok`
[INFO] [stderr]    --> src/main.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn mainok() {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_to_bytes`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn file_to_bytes(path:&Path)->Result<Vec<u8>,std::io::Error>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let sampleRate=44100.0;
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     newfile.write(&test());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     new_image.write(&img);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4313ad21dbd89ae47561c299ff5a37175b6934f3f2eabda3bd5121602c1cbbd4"`
[INFO] running `"docker" "rm" "-f" "4313ad21dbd89ae47561c299ff5a37175b6934f3f2eabda3bd5121602c1cbbd4"`
[INFO] [stdout] 4313ad21dbd89ae47561c299ff5a37175b6934f3f2eabda3bd5121602c1cbbd4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 458128082fe12531e6b63371fcfe57e9da31608648f8cd2f9a93dad9ff491e09
[INFO] running `"docker" "start" "-a" "458128082fe12531e6b63371fcfe57e9da31608648f8cd2f9a93dad9ff491e09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test2-d8183658c231e6fe
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test2-9ac771bb2eb99a59
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "458128082fe12531e6b63371fcfe57e9da31608648f8cd2f9a93dad9ff491e09"`
[INFO] running `"docker" "rm" "-f" "458128082fe12531e6b63371fcfe57e9da31608648f8cd2f9a93dad9ff491e09"`
[INFO] [stdout] 458128082fe12531e6b63371fcfe57e9da31608648f8cd2f9a93dad9ff491e09