[INFO] updating cached repository germangb/minimp3-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/germangb/minimp3-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/germangb/minimp3-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/germangb/minimp3-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/germangb/minimp3-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/germangb/minimp3-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 675cd9639c22e3e5c1e68b157f025c345dbef29b
[INFO] sha for GitHub repo germangb/minimp3-rs: 675cd9639c22e3e5c1e68b157f025c345dbef29b
[INFO] validating manifest of germangb/minimp3-rs 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 germangb/minimp3-rs 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 germangb/minimp3-rs
[INFO] removed path dependency minimp3-sys from germangb/minimp3-rs
[INFO] finished frobbing germangb/minimp3-rs
[INFO] frobbed toml for germangb/minimp3-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs/Cargo.toml
[INFO] started frobbing germangb/minimp3-rs
[INFO] removed path dependency minimp3-sys from germangb/minimp3-rs
[INFO] finished frobbing germangb/minimp3-rs
[INFO] frobbed toml for germangb/minimp3-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/germangb/minimp3-rs/Cargo.toml
[INFO] crate germangb/minimp3-rs 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 germangb/minimp3-rs 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs:/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] a3def73b3178d9a783af2e3c2975c28e8f808dce1761018d1732440ffcf9eb82
[INFO] running `"docker" "start" "-a" "a3def73b3178d9a783af2e3c2975c28e8f808dce1761018d1732440ffcf9eb82"`
[INFO] [stderr]    Compiling libc v0.2.63
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling minimp3 v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `"docker" "inspect" "a3def73b3178d9a783af2e3c2975c28e8f808dce1761018d1732440ffcf9eb82"`
[INFO] running `"docker" "rm" "-f" "a3def73b3178d9a783af2e3c2975c28e8f808dce1761018d1732440ffcf9eb82"`
[INFO] [stdout] a3def73b3178d9a783af2e3c2975c28e8f808dce1761018d1732440ffcf9eb82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs:/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] 5c2b4d26422ecd9901dccaf8b3e3a576ad738963cd816bc3409a5cb725bae2f2
[INFO] running `"docker" "start" "-a" "5c2b4d26422ecd9901dccaf8b3e3a576ad738963cd816bc3409a5cb725bae2f2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minimp3 v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sample_rate`
[INFO] [stderr]   --> examples/example.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Ok(Frame { data, sample_rate, channels, .. }) => {
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: try ignoring the field: `sample_rate: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "5c2b4d26422ecd9901dccaf8b3e3a576ad738963cd816bc3409a5cb725bae2f2"`
[INFO] running `"docker" "rm" "-f" "5c2b4d26422ecd9901dccaf8b3e3a576ad738963cd816bc3409a5cb725bae2f2"`
[INFO] [stdout] 5c2b4d26422ecd9901dccaf8b3e3a576ad738963cd816bc3409a5cb725bae2f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/germangb/minimp3-rs:/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] 09c83109e576cb22cfdf340899e0664b6b72395107545f377c57c20372585148
[INFO] running `"docker" "start" "-a" "09c83109e576cb22cfdf340899e0664b6b72395107545f377c57c20372585148"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minimp3-1acad3f0c5d34ff0
[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 minimp3
[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" "09c83109e576cb22cfdf340899e0664b6b72395107545f377c57c20372585148"`
[INFO] running `"docker" "rm" "-f" "09c83109e576cb22cfdf340899e0664b6b72395107545f377c57c20372585148"`
[INFO] [stdout] 09c83109e576cb22cfdf340899e0664b6b72395107545f377c57c20372585148