[INFO] updating cached repository wscrimsher3/Playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wscrimsher3/Playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wscrimsher3/Playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/wscrimsher3/Playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wscrimsher3/Playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wscrimsher3/Playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wscrimsher3/Playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wscrimsher3/Playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c2b94c075f3d002203561dacf13d801e54487fb
[INFO] sha for GitHub repo wscrimsher3/Playground: 3c2b94c075f3d002203561dacf13d801e54487fb
[INFO] validating manifest of wscrimsher3/Playground 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 wscrimsher3/Playground 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 wscrimsher3/Playground
[INFO] finished frobbing wscrimsher3/Playground
[INFO] frobbed toml for wscrimsher3/Playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/wscrimsher3/Playground/Cargo.toml
[INFO] started frobbing wscrimsher3/Playground
[INFO] finished frobbing wscrimsher3/Playground
[INFO] frobbed toml for wscrimsher3/Playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wscrimsher3/Playground/Cargo.toml
[INFO] crate wscrimsher3/Playground 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 wscrimsher3/Playground 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-6/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/wscrimsher3/Playground:/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] 38dc5acf79cdeee24d73745bef38bcd454214d4a865e308d55608cc6c1744138
[INFO] running `"docker" "start" "-a" "38dc5acf79cdeee24d73745bef38bcd454214d4a865e308d55608cc6c1744138"`
[INFO] [stderr]    Compiling Playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Playground` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `playground`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "38dc5acf79cdeee24d73745bef38bcd454214d4a865e308d55608cc6c1744138"`
[INFO] running `"docker" "rm" "-f" "38dc5acf79cdeee24d73745bef38bcd454214d4a865e308d55608cc6c1744138"`
[INFO] [stdout] 38dc5acf79cdeee24d73745bef38bcd454214d4a865e308d55608cc6c1744138
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/wscrimsher3/Playground:/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] b5689c3e19714898c09931df650349fa035b8fa596243a694da83ae958c9652e
[INFO] running `"docker" "start" "-a" "b5689c3e19714898c09931df650349fa035b8fa596243a694da83ae958c9652e"`
[INFO] [stderr]    Compiling Playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Playground` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `playground`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "b5689c3e19714898c09931df650349fa035b8fa596243a694da83ae958c9652e"`
[INFO] running `"docker" "rm" "-f" "b5689c3e19714898c09931df650349fa035b8fa596243a694da83ae958c9652e"`
[INFO] [stdout] b5689c3e19714898c09931df650349fa035b8fa596243a694da83ae958c9652e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/wscrimsher3/Playground:/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] 458028faac80ce1de6d770a818549cdf328ad20915f9b6d2cf36877c78a31066
[INFO] running `"docker" "start" "-a" "458028faac80ce1de6d770a818549cdf328ad20915f9b6d2cf36877c78a31066"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Playground-9c18dbc9bc8c6369
[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" "458028faac80ce1de6d770a818549cdf328ad20915f9b6d2cf36877c78a31066"`
[INFO] running `"docker" "rm" "-f" "458028faac80ce1de6d770a818549cdf328ad20915f9b6d2cf36877c78a31066"`
[INFO] [stdout] 458028faac80ce1de6d770a818549cdf328ad20915f9b6d2cf36877c78a31066