[INFO] updating cached repository it-sumanp/RustPlayground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/it-sumanp/RustPlayground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/it-sumanp/RustPlayground" "work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/it-sumanp/RustPlayground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/it-sumanp/RustPlayground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/it-sumanp/RustPlayground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e3f2e425de11bb9b48f2a38adfcacbeb2a513cc
[INFO] sha for GitHub repo it-sumanp/RustPlayground: 7e3f2e425de11bb9b48f2a38adfcacbeb2a513cc
[INFO] validating manifest of it-sumanp/RustPlayground 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 it-sumanp/RustPlayground 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 it-sumanp/RustPlayground
[INFO] finished frobbing it-sumanp/RustPlayground
[INFO] frobbed toml for it-sumanp/RustPlayground written to work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground/Cargo.toml
[INFO] started frobbing it-sumanp/RustPlayground
[INFO] finished frobbing it-sumanp/RustPlayground
[INFO] frobbed toml for it-sumanp/RustPlayground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/it-sumanp/RustPlayground/Cargo.toml
[INFO] crate it-sumanp/RustPlayground 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 it-sumanp/RustPlayground 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground:/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] b7592a50c96d2da05b0e80d3c7ac4bf65294864bbf5948a48d401b2065baef3e
[INFO] running `"docker" "start" "-a" "b7592a50c96d2da05b0e80d3c7ac4bf65294864bbf5948a48d401b2065baef3e"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "b7592a50c96d2da05b0e80d3c7ac4bf65294864bbf5948a48d401b2065baef3e"`
[INFO] running `"docker" "rm" "-f" "b7592a50c96d2da05b0e80d3c7ac4bf65294864bbf5948a48d401b2065baef3e"`
[INFO] [stdout] b7592a50c96d2da05b0e80d3c7ac4bf65294864bbf5948a48d401b2065baef3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground:/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] cc168e19633191be50583c025ba5d97d9693c748780abfc9cdcc4a1611a7220a
[INFO] running `"docker" "start" "-a" "cc168e19633191be50583c025ba5d97d9693c748780abfc9cdcc4a1611a7220a"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "cc168e19633191be50583c025ba5d97d9693c748780abfc9cdcc4a1611a7220a"`
[INFO] running `"docker" "rm" "-f" "cc168e19633191be50583c025ba5d97d9693c748780abfc9cdcc4a1611a7220a"`
[INFO] [stdout] cc168e19633191be50583c025ba5d97d9693c748780abfc9cdcc4a1611a7220a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/it-sumanp/RustPlayground:/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] ca5b82940ed4165ea7f3d2a1d82de285ab257ffd165e43ea77ffc14727006e60
[INFO] running `"docker" "start" "-a" "ca5b82940ed4165ea7f3d2a1d82de285ab257ffd165e43ea77ffc14727006e60"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-f3fa3631b8c50bb1
[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" "ca5b82940ed4165ea7f3d2a1d82de285ab257ffd165e43ea77ffc14727006e60"`
[INFO] running `"docker" "rm" "-f" "ca5b82940ed4165ea7f3d2a1d82de285ab257ffd165e43ea77ffc14727006e60"`
[INFO] [stdout] ca5b82940ed4165ea7f3d2a1d82de285ab257ffd165e43ea77ffc14727006e60