[INFO] updating cached repository imnotbad/mvmusic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/imnotbad/mvmusic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/imnotbad/mvmusic" "work/ex/beta-1.38-1/sources/1.37.0/gh/imnotbad/mvmusic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/imnotbad/mvmusic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/imnotbad/mvmusic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c31b95ea4cc9f2a9467c843efc0508c34836e4c7
[INFO] sha for GitHub repo imnotbad/mvmusic: c31b95ea4cc9f2a9467c843efc0508c34836e4c7
[INFO] validating manifest of imnotbad/mvmusic 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 imnotbad/mvmusic 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 imnotbad/mvmusic
[INFO] finished frobbing imnotbad/mvmusic
[INFO] frobbed toml for imnotbad/mvmusic written to work/ex/beta-1.38-1/sources/1.37.0/gh/imnotbad/mvmusic/Cargo.toml
[INFO] started frobbing imnotbad/mvmusic
[INFO] finished frobbing imnotbad/mvmusic
[INFO] frobbed toml for imnotbad/mvmusic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic/Cargo.toml
[INFO] crate imnotbad/mvmusic 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 imnotbad/mvmusic against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1fafd7e8fa3fa0c8e5cf78029760ce2ef4697bd6e1e279272e0c8f1fda215ecb
[INFO] running `"docker" "start" "-a" "1fafd7e8fa3fa0c8e5cf78029760ce2ef4697bd6e1e279272e0c8f1fda215ecb"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling structopt v0.2.8
[INFO] [stderr]    Compiling mvmusic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.43s
[INFO] running `"docker" "inspect" "1fafd7e8fa3fa0c8e5cf78029760ce2ef4697bd6e1e279272e0c8f1fda215ecb"`
[INFO] running `"docker" "rm" "-f" "1fafd7e8fa3fa0c8e5cf78029760ce2ef4697bd6e1e279272e0c8f1fda215ecb"`
[INFO] [stdout] 1fafd7e8fa3fa0c8e5cf78029760ce2ef4697bd6e1e279272e0c8f1fda215ecb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c0d93c8fcf651bc31b97ccdb68ddfb46e6ee9f67b24ccb33a75fa170b1fe0f25
[INFO] running `"docker" "start" "-a" "c0d93c8fcf651bc31b97ccdb68ddfb46e6ee9f67b24ccb33a75fa170b1fe0f25"`
[INFO] [stderr]    Compiling mvmusic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "c0d93c8fcf651bc31b97ccdb68ddfb46e6ee9f67b24ccb33a75fa170b1fe0f25"`
[INFO] running `"docker" "rm" "-f" "c0d93c8fcf651bc31b97ccdb68ddfb46e6ee9f67b24ccb33a75fa170b1fe0f25"`
[INFO] [stdout] c0d93c8fcf651bc31b97ccdb68ddfb46e6ee9f67b24ccb33a75fa170b1fe0f25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/imnotbad/mvmusic:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 41c48c000099837bd3310a052ae769e9dd74beb44011ac3f211dfc10d8d7acde
[INFO] running `"docker" "start" "-a" "41c48c000099837bd3310a052ae769e9dd74beb44011ac3f211dfc10d8d7acde"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mvmusic-8a2c625fc4790aa8
[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" "41c48c000099837bd3310a052ae769e9dd74beb44011ac3f211dfc10d8d7acde"`
[INFO] running `"docker" "rm" "-f" "41c48c000099837bd3310a052ae769e9dd74beb44011ac3f211dfc10d8d7acde"`
[INFO] [stdout] 41c48c000099837bd3310a052ae769e9dd74beb44011ac3f211dfc10d8d7acde