[INFO] updating cached repository sourcepirate/L-voice-changer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sourcepirate/L-voice-changer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sourcepirate/L-voice-changer" "work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sourcepirate/L-voice-changer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourcepirate/L-voice-changer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourcepirate/L-voice-changer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 745500c4a0f4bcb9da781c862f22badd6275bf21
[INFO] sha for GitHub repo sourcepirate/L-voice-changer: 745500c4a0f4bcb9da781c862f22badd6275bf21
[INFO] validating manifest of sourcepirate/L-voice-changer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sourcepirate/L-voice-changer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sourcepirate/L-voice-changer
[INFO] finished frobbing sourcepirate/L-voice-changer
[INFO] frobbed toml for sourcepirate/L-voice-changer written to work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer/Cargo.toml
[INFO] started frobbing sourcepirate/L-voice-changer
[INFO] finished frobbing sourcepirate/L-voice-changer
[INFO] frobbed toml for sourcepirate/L-voice-changer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sourcepirate/L-voice-changer/Cargo.toml
[INFO] crate sourcepirate/L-voice-changer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sourcepirate/L-voice-changer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 40780f21c6db413af7582f17d382f177cc506a49c9383de93e66e9218750c23b
[INFO] running `"docker" "start" "-a" "40780f21c6db413af7582f17d382f177cc506a49c9383de93e66e9218750c23b"`
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling lvoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/temp.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{File, remove_file};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     lowpass_file.create(input_path.to_str().unwrap());
[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:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     highpass_file.create(input_path.to_str().unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/temp.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         remove_file(self.path.as_str());
[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 5.14s
[INFO] running `"docker" "inspect" "40780f21c6db413af7582f17d382f177cc506a49c9383de93e66e9218750c23b"`
[INFO] running `"docker" "rm" "-f" "40780f21c6db413af7582f17d382f177cc506a49c9383de93e66e9218750c23b"`
[INFO] [stdout] 40780f21c6db413af7582f17d382f177cc506a49c9383de93e66e9218750c23b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 309a8603d85f0c7b482ccf38fe857ab6f8bf98ed08e55856b4106f69f6460a74
[INFO] running `"docker" "start" "-a" "309a8603d85f0c7b482ccf38fe857ab6f8bf98ed08e55856b4106f69f6460a74"`
[INFO] [stderr]    Compiling lvoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/temp.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{File, remove_file};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     lowpass_file.create(input_path.to_str().unwrap());
[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:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     highpass_file.create(input_path.to_str().unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/temp.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         remove_file(self.path.as_str());
[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 1.16s
[INFO] running `"docker" "inspect" "309a8603d85f0c7b482ccf38fe857ab6f8bf98ed08e55856b4106f69f6460a74"`
[INFO] running `"docker" "rm" "-f" "309a8603d85f0c7b482ccf38fe857ab6f8bf98ed08e55856b4106f69f6460a74"`
[INFO] [stdout] 309a8603d85f0c7b482ccf38fe857ab6f8bf98ed08e55856b4106f69f6460a74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sourcepirate/L-voice-changer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 099cdb2f86cf858b2ef52e21116f0f3c6050e3718430609b990c08579e472974
[INFO] running `"docker" "start" "-a" "099cdb2f86cf858b2ef52e21116f0f3c6050e3718430609b990c08579e472974"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lvoice-329e71ebde3b0ff7
[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" "099cdb2f86cf858b2ef52e21116f0f3c6050e3718430609b990c08579e472974"`
[INFO] running `"docker" "rm" "-f" "099cdb2f86cf858b2ef52e21116f0f3c6050e3718430609b990c08579e472974"`
[INFO] [stdout] 099cdb2f86cf858b2ef52e21116f0f3c6050e3718430609b990c08579e472974