[INFO] updating cached repository ormrepo/rustlings
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ormrepo/rustlings
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ormrepo/rustlings" "work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ormrepo/rustlings" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07ca480f87f9db112f15cc5a208542c881bc7628
[INFO] sha for GitHub repo ormrepo/rustlings: 07ca480f87f9db112f15cc5a208542c881bc7628
[INFO] validating manifest of ormrepo/rustlings 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 ormrepo/rustlings 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 ormrepo/rustlings
[INFO] finished frobbing ormrepo/rustlings
[INFO] frobbed toml for ormrepo/rustlings written to work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings/Cargo.toml
[INFO] started frobbing ormrepo/rustlings
[INFO] finished frobbing ormrepo/rustlings
[INFO] frobbed toml for ormrepo/rustlings written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ormrepo/rustlings/Cargo.toml
[INFO] crate ormrepo/rustlings 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 ormrepo/rustlings 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings:/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] fc2d03d38a998e00575744e1a3e2235870813cc7d8817c1d58f4a09a8ece16e3
[INFO] running `"docker" "start" "-a" "fc2d03d38a998e00575744e1a3e2235870813cc7d8817c1d58f4a09a8ece16e3"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "fc2d03d38a998e00575744e1a3e2235870813cc7d8817c1d58f4a09a8ece16e3"`
[INFO] running `"docker" "rm" "-f" "fc2d03d38a998e00575744e1a3e2235870813cc7d8817c1d58f4a09a8ece16e3"`
[INFO] [stdout] fc2d03d38a998e00575744e1a3e2235870813cc7d8817c1d58f4a09a8ece16e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings:/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] 2f6f10572e6a2ad859ec51aca2555bfd35fa95f3904467592e92c4f04da55ddf
[INFO] running `"docker" "start" "-a" "2f6f10572e6a2ad859ec51aca2555bfd35fa95f3904467592e92c4f04da55ddf"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "2f6f10572e6a2ad859ec51aca2555bfd35fa95f3904467592e92c4f04da55ddf"`
[INFO] running `"docker" "rm" "-f" "2f6f10572e6a2ad859ec51aca2555bfd35fa95f3904467592e92c4f04da55ddf"`
[INFO] [stdout] 2f6f10572e6a2ad859ec51aca2555bfd35fa95f3904467592e92c4f04da55ddf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ormrepo/rustlings:/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] b2b488292b3dddc37d7bf3c5ea64eab7f28bfe4070a66d19c236a9f6ead36b62
[INFO] running `"docker" "start" "-a" "b2b488292b3dddc37d7bf3c5ea64eab7f28bfe4070a66d19c236a9f6ead36b62"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-f3509c269cd20c08
[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" "b2b488292b3dddc37d7bf3c5ea64eab7f28bfe4070a66d19c236a9f6ead36b62"`
[INFO] running `"docker" "rm" "-f" "b2b488292b3dddc37d7bf3c5ea64eab7f28bfe4070a66d19c236a9f6ead36b62"`
[INFO] [stdout] b2b488292b3dddc37d7bf3c5ea64eab7f28bfe4070a66d19c236a9f6ead36b62