[INFO] updating cached repository yupferris/ans-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yupferris/ans-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yupferris/ans-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yupferris/ans-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yupferris/ans-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yupferris/ans-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a92d5aa8c47b32f4edc65b1032407b1107cd0fe3
[INFO] sha for GitHub repo yupferris/ans-playground: a92d5aa8c47b32f4edc65b1032407b1107cd0fe3
[INFO] validating manifest of yupferris/ans-playground 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 yupferris/ans-playground 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 yupferris/ans-playground
[INFO] finished frobbing yupferris/ans-playground
[INFO] frobbed toml for yupferris/ans-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-playground/Cargo.toml
[INFO] started frobbing yupferris/ans-playground
[INFO] finished frobbing yupferris/ans-playground
[INFO] frobbed toml for yupferris/ans-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yupferris/ans-playground/Cargo.toml
[INFO] crate yupferris/ans-playground 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 yupferris/ans-playground 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 30534a24bbe5f8f1e625a6987fea2af4375cb34e2ce00c1573691739a2efb008
[INFO] running `"docker" "start" "-a" "30534a24bbe5f8f1e625a6987fea2af4375cb34e2ce00c1573691739a2efb008"`
[INFO] [stderr]    Compiling ans-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "30534a24bbe5f8f1e625a6987fea2af4375cb34e2ce00c1573691739a2efb008"`
[INFO] running `"docker" "rm" "-f" "30534a24bbe5f8f1e625a6987fea2af4375cb34e2ce00c1573691739a2efb008"`
[INFO] [stdout] 30534a24bbe5f8f1e625a6987fea2af4375cb34e2ce00c1573691739a2efb008
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb1081a97e18f66f978361e04211a6b83042d921835520b9eb388cd0dffd4171
[INFO] running `"docker" "start" "-a" "fb1081a97e18f66f978361e04211a6b83042d921835520b9eb388cd0dffd4171"`
[INFO] [stderr]    Compiling ans-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "fb1081a97e18f66f978361e04211a6b83042d921835520b9eb388cd0dffd4171"`
[INFO] running `"docker" "rm" "-f" "fb1081a97e18f66f978361e04211a6b83042d921835520b9eb388cd0dffd4171"`
[INFO] [stdout] fb1081a97e18f66f978361e04211a6b83042d921835520b9eb388cd0dffd4171
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yupferris/ans-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 78bdb075df626f42270ce3d5c1315227dcd662bcdbd3564b84544657451ba035
[INFO] running `"docker" "start" "-a" "78bdb075df626f42270ce3d5c1315227dcd662bcdbd3564b84544657451ba035"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ans_playground-30897549443f3cf7
[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" "78bdb075df626f42270ce3d5c1315227dcd662bcdbd3564b84544657451ba035"`
[INFO] running `"docker" "rm" "-f" "78bdb075df626f42270ce3d5c1315227dcd662bcdbd3564b84544657451ba035"`
[INFO] [stdout] 78bdb075df626f42270ce3d5c1315227dcd662bcdbd3564b84544657451ba035