[INFO] updating cached repository crsaracco/musicbrainz-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crsaracco/musicbrainz-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crsaracco/musicbrainz-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crsaracco/musicbrainz-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crsaracco/musicbrainz-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crsaracco/musicbrainz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7f8ccc81bb0aa2fd5a9382a09e3df60b41e16a3
[INFO] sha for GitHub repo crsaracco/musicbrainz-rs: a7f8ccc81bb0aa2fd5a9382a09e3df60b41e16a3
[INFO] validating manifest of crsaracco/musicbrainz-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 crsaracco/musicbrainz-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 crsaracco/musicbrainz-rs
[INFO] finished frobbing crsaracco/musicbrainz-rs
[INFO] frobbed toml for crsaracco/musicbrainz-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-rs/Cargo.toml
[INFO] started frobbing crsaracco/musicbrainz-rs
[INFO] finished frobbing crsaracco/musicbrainz-rs
[INFO] frobbed toml for crsaracco/musicbrainz-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crsaracco/musicbrainz-rs/Cargo.toml
[INFO] crate crsaracco/musicbrainz-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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing crsaracco/musicbrainz-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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-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] d8cf4480619814030a3cb552e47c65d852802222b954d5eb79ad5c07db3dc6e1
[INFO] running `"docker" "start" "-a" "d8cf4480619814030a3cb552e47c65d852802222b954d5eb79ad5c07db3dc6e1"`
[INFO] [stderr]    Compiling ratelimit v0.4.4
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling serde_json v1.0.35
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling h2 v0.1.15
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio v0.1.14
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling hyper v0.12.20
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.8
[INFO] [stderr]    Compiling musicbrainz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.08s
[INFO] running `"docker" "inspect" "d8cf4480619814030a3cb552e47c65d852802222b954d5eb79ad5c07db3dc6e1"`
[INFO] running `"docker" "rm" "-f" "d8cf4480619814030a3cb552e47c65d852802222b954d5eb79ad5c07db3dc6e1"`
[INFO] [stdout] d8cf4480619814030a3cb552e47c65d852802222b954d5eb79ad5c07db3dc6e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-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] c042dfcbff7180466ad853dc7de62346d78d8626050ee854659c42bdac513f69
[INFO] running `"docker" "start" "-a" "c042dfcbff7180466ad853dc7de62346d78d8626050ee854659c42bdac513f69"`
[INFO] [stderr]    Compiling musicbrainz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "c042dfcbff7180466ad853dc7de62346d78d8626050ee854659c42bdac513f69"`
[INFO] running `"docker" "rm" "-f" "c042dfcbff7180466ad853dc7de62346d78d8626050ee854659c42bdac513f69"`
[INFO] [stdout] c042dfcbff7180466ad853dc7de62346d78d8626050ee854659c42bdac513f69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crsaracco/musicbrainz-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] f6d166bee95d834c63224832479349e65915c8d73fdea94cecf538840f854ccf
[INFO] running `"docker" "start" "-a" "f6d166bee95d834c63224832479349e65915c8d73fdea94cecf538840f854ccf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/musicbrainz_rs-02edb8c1aadb60b8
[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" "f6d166bee95d834c63224832479349e65915c8d73fdea94cecf538840f854ccf"`
[INFO] running `"docker" "rm" "-f" "f6d166bee95d834c63224832479349e65915c8d73fdea94cecf538840f854ccf"`
[INFO] [stdout] f6d166bee95d834c63224832479349e65915c8d73fdea94cecf538840f854ccf