[INFO] updating cached repository https://github.com/TeslasGhost/Read-Write-WAV
[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] ffa75e25db5891496bc961b7331fa0c7fcb297ed
[INFO] testing TeslasGhost/Read-Write-WAV against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeslasGhost%2FRead-Write-WAV" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TeslasGhost/Read-Write-WAV on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TeslasGhost/Read-Write-WAV
[INFO] finished tweaking git repo https://github.com/TeslasGhost/Read-Write-WAV
[INFO] tweaked toml for git repo https://github.com/TeslasGhost/Read-Write-WAV written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TeslasGhost/Read-Write-WAV already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 45c1b418158ed1025225950594dc80189c8ce7cd035800f729d45cff5bdbde82
[INFO] running `"docker" "start" "-a" "45c1b418158ed1025225950594dc80189c8ce7cd035800f729d45cff5bdbde82"`
[INFO] [stderr]    Compiling hound v3.0.0
[INFO] [stderr]    Compiling readwritewav v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ToFrameSliceMut`
[INFO] [stderr]  --> src/main.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sample::{signal, Signal, ToFrameSliceMut};
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let start_frequency = ((begin as i32) * (sample_rate));
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let end_frequency = ((end as i32) * (sample_rate));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[[i16; 2]]` cannot be indexed by `std::ops::Range<i32>`
[INFO] [stderr]    --> src/main.rs:126:22
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let the_slice = &frames[start_frame..end_frame];
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[[i16; 2]]>` is not implemented for `std::ops::Range<i32>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<std::ops::Range<i32>>` for `std::vec::Vec<[i16; 2]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `readwritewav`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "45c1b418158ed1025225950594dc80189c8ce7cd035800f729d45cff5bdbde82"`
[INFO] running `"docker" "rm" "-f" "45c1b418158ed1025225950594dc80189c8ce7cd035800f729d45cff5bdbde82"`
[INFO] [stdout] 45c1b418158ed1025225950594dc80189c8ce7cd035800f729d45cff5bdbde82