[INFO] updating cached repository ul/project-root
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ul/project-root
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ul/project-root" "work/ex/beta-1.38-1/sources/1.37.0/gh/ul/project-root"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ul/project-root'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ul/project-root" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ul/project-root"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ul/project-root'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28039739e8bf8ac3edc35739d2493dc393249b0c
[INFO] sha for GitHub repo ul/project-root: 28039739e8bf8ac3edc35739d2493dc393249b0c
[INFO] validating manifest of ul/project-root 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 ul/project-root 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 ul/project-root
[INFO] finished frobbing ul/project-root
[INFO] frobbed toml for ul/project-root written to work/ex/beta-1.38-1/sources/1.37.0/gh/ul/project-root/Cargo.toml
[INFO] started frobbing ul/project-root
[INFO] finished frobbing ul/project-root
[INFO] frobbed toml for ul/project-root written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ul/project-root/Cargo.toml
[INFO] crate ul/project-root 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 ul/project-root 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-0/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/ul/project-root:/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] 18c2379096c6b095795345590136025d4abecff4b278f2e2b798a2ee74e343f9
[INFO] running `"docker" "start" "-a" "18c2379096c6b095795345590136025d4abecff4b278f2e2b798a2ee74e343f9"`
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling project-root v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `"docker" "inspect" "18c2379096c6b095795345590136025d4abecff4b278f2e2b798a2ee74e343f9"`
[INFO] running `"docker" "rm" "-f" "18c2379096c6b095795345590136025d4abecff4b278f2e2b798a2ee74e343f9"`
[INFO] [stdout] 18c2379096c6b095795345590136025d4abecff4b278f2e2b798a2ee74e343f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/ul/project-root:/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] fe1beafcc6779a334a66e4dc5a80573675fb42ba61bc486771a5afc9fb0337d9
[INFO] running `"docker" "start" "-a" "fe1beafcc6779a334a66e4dc5a80573675fb42ba61bc486771a5afc9fb0337d9"`
[INFO] [stderr]    Compiling project-root v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "fe1beafcc6779a334a66e4dc5a80573675fb42ba61bc486771a5afc9fb0337d9"`
[INFO] running `"docker" "rm" "-f" "fe1beafcc6779a334a66e4dc5a80573675fb42ba61bc486771a5afc9fb0337d9"`
[INFO] [stdout] fe1beafcc6779a334a66e4dc5a80573675fb42ba61bc486771a5afc9fb0337d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/ul/project-root:/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] 73264ec1ff839aa8728ec12deceac693bd487bfb21ab1836c65512ac172bfa0d
[INFO] running `"docker" "start" "-a" "73264ec1ff839aa8728ec12deceac693bd487bfb21ab1836c65512ac172bfa0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[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/project_root-4b5eedb21626b17f
[INFO] running `"docker" "inspect" "73264ec1ff839aa8728ec12deceac693bd487bfb21ab1836c65512ac172bfa0d"`
[INFO] running `"docker" "rm" "-f" "73264ec1ff839aa8728ec12deceac693bd487bfb21ab1836c65512ac172bfa0d"`
[INFO] [stdout] 73264ec1ff839aa8728ec12deceac693bd487bfb21ab1836c65512ac172bfa0d