[INFO] updating cached repository endeav0r/muzik
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/endeav0r/muzik
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/endeav0r/muzik" "work/ex/beta-1.37-6/sources/1.36.0/gh/endeav0r/muzik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/endeav0r/muzik'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/endeav0r/muzik" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8152cec727e66b522e5a86781c36a2186e6c6fcc
[INFO] sha for GitHub repo endeav0r/muzik: 8152cec727e66b522e5a86781c36a2186e6c6fcc
[INFO] validating manifest of endeav0r/muzik on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of endeav0r/muzik on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing endeav0r/muzik
[INFO] finished frobbing endeav0r/muzik
[INFO] frobbed toml for endeav0r/muzik written to work/ex/beta-1.37-6/sources/1.36.0/gh/endeav0r/muzik/Cargo.toml
[INFO] started frobbing endeav0r/muzik
[INFO] finished frobbing endeav0r/muzik
[INFO] frobbed toml for endeav0r/muzik written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik/Cargo.toml
[INFO] crate endeav0r/muzik already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing endeav0r/muzik against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f79b6a7759e5138b7721335a2c03b5d687cb981d07e061928a964c3463fab8c4
[INFO] running `"docker" "start" "-a" "f79b6a7759e5138b7721335a2c03b5d687cb981d07e061928a964c3463fab8c4"`
[INFO] [stderr]    Compiling muzik v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> lib/track.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sample: Box<Sample>,
[INFO] [stderr]   |                 ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/track.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn sample(&self) -> &Sample { self.sample.as_ref() }
[INFO] [stderr]    |                              ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/lib.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     sample: Box<Sample>
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "f79b6a7759e5138b7721335a2c03b5d687cb981d07e061928a964c3463fab8c4"`
[INFO] running `"docker" "rm" "-f" "f79b6a7759e5138b7721335a2c03b5d687cb981d07e061928a964c3463fab8c4"`
[INFO] [stdout] f79b6a7759e5138b7721335a2c03b5d687cb981d07e061928a964c3463fab8c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54306690aad9d63b464fd6628519b74c36ae32ea645cf2bf225efab1024c4a3e
[INFO] running `"docker" "start" "-a" "54306690aad9d63b464fd6628519b74c36ae32ea645cf2bf225efab1024c4a3e"`
[INFO] [stderr]    Compiling muzik v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> lib/track.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sample: Box<Sample>,
[INFO] [stderr]   |                 ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/track.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn sample(&self) -> &Sample { self.sample.as_ref() }
[INFO] [stderr]    |                              ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/lib.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     sample: Box<Sample>
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Sample`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "54306690aad9d63b464fd6628519b74c36ae32ea645cf2bf225efab1024c4a3e"`
[INFO] running `"docker" "rm" "-f" "54306690aad9d63b464fd6628519b74c36ae32ea645cf2bf225efab1024c4a3e"`
[INFO] [stdout] 54306690aad9d63b464fd6628519b74c36ae32ea645cf2bf225efab1024c4a3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/endeav0r/muzik:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9a0e86fa481e7e96460ae8de425005ce671984e751e03e9eb1dc2ea8ee45e34d
[INFO] running `"docker" "start" "-a" "9a0e86fa481e7e96460ae8de425005ce671984e751e03e9eb1dc2ea8ee45e34d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muzik-59c024eba29ba35a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muzik-809996ed06229fa3
[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] [stdout] 
[INFO] [stderr]    Doc-tests muzik
[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] [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" "9a0e86fa481e7e96460ae8de425005ce671984e751e03e9eb1dc2ea8ee45e34d"`
[INFO] running `"docker" "rm" "-f" "9a0e86fa481e7e96460ae8de425005ce671984e751e03e9eb1dc2ea8ee45e34d"`
[INFO] [stdout] 9a0e86fa481e7e96460ae8de425005ce671984e751e03e9eb1dc2ea8ee45e34d