[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-1.38-1/sources/1.37.0/gh/endeav0r/muzik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/endeav0r/muzik'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/endeav0r/muzik" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/endeav0r/muzik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of endeav0r/muzik 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 endeav0r/muzik
[INFO] finished frobbing endeav0r/muzik
[INFO] frobbed toml for endeav0r/muzik written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 endeav0r/muzik 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7b0e3bddb3f9379c4a325b39c62cf77c764b484c2c7bbf231f6ccc479f3f4c69
[INFO] running `"docker" "start" "-a" "7b0e3bddb3f9379c4a325b39c62cf77c764b484c2c7bbf231f6ccc479f3f4c69"`
[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 1.65s
[INFO] running `"docker" "inspect" "7b0e3bddb3f9379c4a325b39c62cf77c764b484c2c7bbf231f6ccc479f3f4c69"`
[INFO] running `"docker" "rm" "-f" "7b0e3bddb3f9379c4a325b39c62cf77c764b484c2c7bbf231f6ccc479f3f4c69"`
[INFO] [stdout] 7b0e3bddb3f9379c4a325b39c62cf77c764b484c2c7bbf231f6ccc479f3f4c69
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 974a0343c0c88bf79a047021065b7c1031523211ad971fab9dd6f137b8b7d6c7
[INFO] running `"docker" "start" "-a" "974a0343c0c88bf79a047021065b7c1031523211ad971fab9dd6f137b8b7d6c7"`
[INFO] [stderr]    Compiling muzik v0.1.0 (/opt/crater/workdir)
[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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "974a0343c0c88bf79a047021065b7c1031523211ad971fab9dd6f137b8b7d6c7"`
[INFO] running `"docker" "rm" "-f" "974a0343c0c88bf79a047021065b7c1031523211ad971fab9dd6f137b8b7d6c7"`
[INFO] [stdout] 974a0343c0c88bf79a047021065b7c1031523211ad971fab9dd6f137b8b7d6c7
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9b112ee093bdb4c9a10bc0a713d9c01772a6cfe37e5cf88596718946fe5cfd39
[INFO] running `"docker" "start" "-a" "9b112ee093bdb4c9a10bc0a713d9c01772a6cfe37e5cf88596718946fe5cfd39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muzik-6cdac15dddca7427
[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]      Running /opt/crater/target/debug/deps/muzik-4b97486728e25cbd
[INFO] [stderr]    Doc-tests muzik
[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] [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" "9b112ee093bdb4c9a10bc0a713d9c01772a6cfe37e5cf88596718946fe5cfd39"`
[INFO] running `"docker" "rm" "-f" "9b112ee093bdb4c9a10bc0a713d9c01772a6cfe37e5cf88596718946fe5cfd39"`
[INFO] [stdout] 9b112ee093bdb4c9a10bc0a713d9c01772a6cfe37e5cf88596718946fe5cfd39