[INFO] updating cached repository UF-ACE/rust-mentor-activity
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/UF-ACE/rust-mentor-activity
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/UF-ACE/rust-mentor-activity" "work/ex/beta-1.37-6/sources/1.36.0/gh/UF-ACE/rust-mentor-activity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/UF-ACE/rust-mentor-activity'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UF-ACE/rust-mentor-activity" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UF-ACE/rust-mentor-activity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UF-ACE/rust-mentor-activity'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c48d7598a7e8e2fe7a068e445ee62328a20867ad
[INFO] sha for GitHub repo UF-ACE/rust-mentor-activity: c48d7598a7e8e2fe7a068e445ee62328a20867ad
[INFO] validating manifest of UF-ACE/rust-mentor-activity 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 UF-ACE/rust-mentor-activity 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 UF-ACE/rust-mentor-activity
[INFO] finished frobbing UF-ACE/rust-mentor-activity
[INFO] frobbed toml for UF-ACE/rust-mentor-activity written to work/ex/beta-1.37-6/sources/1.36.0/gh/UF-ACE/rust-mentor-activity/Cargo.toml
[INFO] started frobbing UF-ACE/rust-mentor-activity
[INFO] finished frobbing UF-ACE/rust-mentor-activity
[INFO] frobbed toml for UF-ACE/rust-mentor-activity written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UF-ACE/rust-mentor-activity/Cargo.toml
[INFO] crate UF-ACE/rust-mentor-activity 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 UF-ACE/rust-mentor-activity 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-2/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/UF-ACE/rust-mentor-activity:/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] 7f0c6d50ef83e08a3947b2e8cefe13afab694b4d413566f27d190fd0004a1aad
[INFO] running `"docker" "start" "-a" "7f0c6d50ef83e08a3947b2e8cefe13afab694b4d413566f27d190fd0004a1aad"`
[INFO] [stderr]    Compiling rust-mentor-activity v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "7f0c6d50ef83e08a3947b2e8cefe13afab694b4d413566f27d190fd0004a1aad"`
[INFO] running `"docker" "rm" "-f" "7f0c6d50ef83e08a3947b2e8cefe13afab694b4d413566f27d190fd0004a1aad"`
[INFO] [stdout] 7f0c6d50ef83e08a3947b2e8cefe13afab694b4d413566f27d190fd0004a1aad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/UF-ACE/rust-mentor-activity:/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] d572a8290d1251916ecb7d85ebf11048518bfeca3fc3356263ebfef71b91df3d
[INFO] running `"docker" "start" "-a" "d572a8290d1251916ecb7d85ebf11048518bfeca3fc3356263ebfef71b91df3d"`
[INFO] [stderr]    Compiling rust-mentor-activity v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "d572a8290d1251916ecb7d85ebf11048518bfeca3fc3356263ebfef71b91df3d"`
[INFO] running `"docker" "rm" "-f" "d572a8290d1251916ecb7d85ebf11048518bfeca3fc3356263ebfef71b91df3d"`
[INFO] [stdout] d572a8290d1251916ecb7d85ebf11048518bfeca3fc3356263ebfef71b91df3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/UF-ACE/rust-mentor-activity:/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] 3e04ee1f4da5e8161dce55dec892db1681163f55b671b9d0df1f4a9f773e1531
[INFO] running `"docker" "start" "-a" "3e04ee1f4da5e8161dce55dec892db1681163f55b671b9d0df1f4a9f773e1531"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mentor_activity-7169fc6ea6ee7eb8
[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" "3e04ee1f4da5e8161dce55dec892db1681163f55b671b9d0df1f4a9f773e1531"`
[INFO] running `"docker" "rm" "-f" "3e04ee1f4da5e8161dce55dec892db1681163f55b671b9d0df1f4a9f773e1531"`
[INFO] [stdout] 3e04ee1f4da5e8161dce55dec892db1681163f55b671b9d0df1f4a9f773e1531