[INFO] updating cached repository kenburcham/rust_tutorials
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kenburcham/rust_tutorials
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kenburcham/rust_tutorials" "work/ex/beta-1.38-1/sources/1.37.0/gh/kenburcham/rust_tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kenburcham/rust_tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kenburcham/rust_tutorials" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78fd5731936dc0b033772bc9736fbc1c7aa6cdef
[INFO] sha for GitHub repo kenburcham/rust_tutorials: 78fd5731936dc0b033772bc9736fbc1c7aa6cdef
[INFO] validating manifest of kenburcham/rust_tutorials 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 kenburcham/rust_tutorials 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 kenburcham/rust_tutorials
[INFO] finished frobbing kenburcham/rust_tutorials
[INFO] frobbed toml for kenburcham/rust_tutorials written to work/ex/beta-1.38-1/sources/1.37.0/gh/kenburcham/rust_tutorials/Cargo.toml
[INFO] started frobbing kenburcham/rust_tutorials
[INFO] finished frobbing kenburcham/rust_tutorials
[INFO] frobbed toml for kenburcham/rust_tutorials written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials/Cargo.toml
[INFO] crate kenburcham/rust_tutorials 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 kenburcham/rust_tutorials against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3889db5c6306dfab4ed5a7a9b59ce3e9a992c71593b6937ee7fa0f8aa4967699
[INFO] running `"docker" "start" "-a" "3889db5c6306dfab4ed5a7a9b59ce3e9a992c71593b6937ee7fa0f8aa4967699"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "3889db5c6306dfab4ed5a7a9b59ce3e9a992c71593b6937ee7fa0f8aa4967699"`
[INFO] running `"docker" "rm" "-f" "3889db5c6306dfab4ed5a7a9b59ce3e9a992c71593b6937ee7fa0f8aa4967699"`
[INFO] [stdout] 3889db5c6306dfab4ed5a7a9b59ce3e9a992c71593b6937ee7fa0f8aa4967699
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3c638d83077bcd15e18cd4558474ef0f2a075ee75a8f09c85b1672fe77b4be0e
[INFO] running `"docker" "start" "-a" "3c638d83077bcd15e18cd4558474ef0f2a075ee75a8f09c85b1672fe77b4be0e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "3c638d83077bcd15e18cd4558474ef0f2a075ee75a8f09c85b1672fe77b4be0e"`
[INFO] running `"docker" "rm" "-f" "3c638d83077bcd15e18cd4558474ef0f2a075ee75a8f09c85b1672fe77b4be0e"`
[INFO] [stdout] 3c638d83077bcd15e18cd4558474ef0f2a075ee75a8f09c85b1672fe77b4be0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kenburcham/rust_tutorials:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9393e846878f1a20bb3d566db57fc6c3a29a2f5f0dae7068d33cd4ae42e9dc22
[INFO] running `"docker" "start" "-a" "9393e846878f1a20bb3d566db57fc6c3a29a2f5f0dae7068d33cd4ae42e9dc22"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[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] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-27ea0961b9015337
[INFO] running `"docker" "inspect" "9393e846878f1a20bb3d566db57fc6c3a29a2f5f0dae7068d33cd4ae42e9dc22"`
[INFO] running `"docker" "rm" "-f" "9393e846878f1a20bb3d566db57fc6c3a29a2f5f0dae7068d33cd4ae42e9dc22"`
[INFO] [stdout] 9393e846878f1a20bb3d566db57fc6c3a29a2f5f0dae7068d33cd4ae42e9dc22