[INFO] updating cached repository Ryan1729/markov_jukebox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ryan1729/markov_jukebox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ryan1729/markov_jukebox" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ryan1729/markov_jukebox" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryan1729/markov_jukebox"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryan1729/markov_jukebox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c6c631a33a41ab937f9c0d9150775280a273a6a
[INFO] sha for GitHub repo Ryan1729/markov_jukebox: 9c6c631a33a41ab937f9c0d9150775280a273a6a
[INFO] validating manifest of Ryan1729/markov_jukebox on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Ryan1729/markov_jukebox on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Ryan1729/markov_jukebox
[INFO] finished frobbing Ryan1729/markov_jukebox
[INFO] frobbed toml for Ryan1729/markov_jukebox written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox/Cargo.toml
[INFO] started frobbing Ryan1729/markov_jukebox
[INFO] finished frobbing Ryan1729/markov_jukebox
[INFO] frobbed toml for Ryan1729/markov_jukebox written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Ryan1729/markov_jukebox/Cargo.toml
[INFO] crate Ryan1729/markov_jukebox has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Ryan1729/markov_jukebox against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] fa39a38cce33e9935d9e12682ee74e47d6850090118cbfd0f99b01e296049f98
[INFO] running `"docker" "start" "-a" "fa39a38cce33e9935d9e12682ee74e47d6850090118cbfd0f99b01e296049f98"`
[INFO] [stderr]    Compiling sample v0.6.2
[INFO] [stderr]    Compiling hound v2.0.0
[INFO] [stderr]    Compiling markov_jukebox v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `"docker" "inspect" "fa39a38cce33e9935d9e12682ee74e47d6850090118cbfd0f99b01e296049f98"`
[INFO] running `"docker" "rm" "-f" "fa39a38cce33e9935d9e12682ee74e47d6850090118cbfd0f99b01e296049f98"`
[INFO] [stdout] fa39a38cce33e9935d9e12682ee74e47d6850090118cbfd0f99b01e296049f98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] efa5be240646f48096413fd82e634844ce81ee4fa064b1ba1d53ff521120a86c
[INFO] running `"docker" "start" "-a" "efa5be240646f48096413fd82e634844ce81ee4fa064b1ba1d53ff521120a86c"`
[INFO] [stderr]    Compiling markov_jukebox v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "efa5be240646f48096413fd82e634844ce81ee4fa064b1ba1d53ff521120a86c"`
[INFO] running `"docker" "rm" "-f" "efa5be240646f48096413fd82e634844ce81ee4fa064b1ba1d53ff521120a86c"`
[INFO] [stdout] efa5be240646f48096413fd82e634844ce81ee4fa064b1ba1d53ff521120a86c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Ryan1729/markov_jukebox:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] dd483ebb439cc14030ca61d77522b9b2538671720d2e9274b4ab5a3b6f6b4939
[INFO] running `"docker" "start" "-a" "dd483ebb439cc14030ca61d77522b9b2538671720d2e9274b4ab5a3b6f6b4939"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/markov_jukebox-981ee6fe66025bb9
[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" "dd483ebb439cc14030ca61d77522b9b2538671720d2e9274b4ab5a3b6f6b4939"`
[INFO] running `"docker" "rm" "-f" "dd483ebb439cc14030ca61d77522b9b2538671720d2e9274b4ab5a3b6f6b4939"`
[INFO] [stdout] dd483ebb439cc14030ca61d77522b9b2538671720d2e9274b4ab5a3b6f6b4939