[INFO] updating cached repository thesabbir/rguess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thesabbir/rguess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thesabbir/rguess" "work/ex/beta-1.38-1/sources/1.37.0/gh/thesabbir/rguess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thesabbir/rguess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thesabbir/rguess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thesabbir/rguess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thesabbir/rguess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74b6e45362767a0db2da7efca0d840caf7aea948
[INFO] sha for GitHub repo thesabbir/rguess: 74b6e45362767a0db2da7efca0d840caf7aea948
[INFO] validating manifest of thesabbir/rguess 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 thesabbir/rguess 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 thesabbir/rguess
[INFO] finished frobbing thesabbir/rguess
[INFO] frobbed toml for thesabbir/rguess written to work/ex/beta-1.38-1/sources/1.37.0/gh/thesabbir/rguess/Cargo.toml
[INFO] started frobbing thesabbir/rguess
[INFO] finished frobbing thesabbir/rguess
[INFO] frobbed toml for thesabbir/rguess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thesabbir/rguess/Cargo.toml
[INFO] crate thesabbir/rguess 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thesabbir/rguess/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 thesabbir/rguess 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-6/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/thesabbir/rguess:/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] bc8d8e4d2f501c56e7ba028f6e81bdd5a004971426ec83d05d90ee58bf578ee6
[INFO] running `"docker" "start" "-a" "bc8d8e4d2f501c56e7ba028f6e81bdd5a004971426ec83d05d90ee58bf578ee6"`
[INFO] [stderr]    Compiling reportr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "bc8d8e4d2f501c56e7ba028f6e81bdd5a004971426ec83d05d90ee58bf578ee6"`
[INFO] running `"docker" "rm" "-f" "bc8d8e4d2f501c56e7ba028f6e81bdd5a004971426ec83d05d90ee58bf578ee6"`
[INFO] [stdout] bc8d8e4d2f501c56e7ba028f6e81bdd5a004971426ec83d05d90ee58bf578ee6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/thesabbir/rguess:/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] d4ce7a5dd92d5bb8e8f3d4dd625eb38b08c1434e1686c5984f4cd323aaa1a6cf
[INFO] running `"docker" "start" "-a" "d4ce7a5dd92d5bb8e8f3d4dd625eb38b08c1434e1686c5984f4cd323aaa1a6cf"`
[INFO] [stderr]    Compiling reportr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "d4ce7a5dd92d5bb8e8f3d4dd625eb38b08c1434e1686c5984f4cd323aaa1a6cf"`
[INFO] running `"docker" "rm" "-f" "d4ce7a5dd92d5bb8e8f3d4dd625eb38b08c1434e1686c5984f4cd323aaa1a6cf"`
[INFO] [stdout] d4ce7a5dd92d5bb8e8f3d4dd625eb38b08c1434e1686c5984f4cd323aaa1a6cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/thesabbir/rguess:/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] 8c4aa079e5527b7f2e4aecaae0bdb1601e4fa412b5a2f5816ebf986fe7732d9a
[INFO] running `"docker" "start" "-a" "8c4aa079e5527b7f2e4aecaae0bdb1601e4fa412b5a2f5816ebf986fe7732d9a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reportr-d0698bc54f28c0da
[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" "8c4aa079e5527b7f2e4aecaae0bdb1601e4fa412b5a2f5816ebf986fe7732d9a"`
[INFO] running `"docker" "rm" "-f" "8c4aa079e5527b7f2e4aecaae0bdb1601e4fa412b5a2f5816ebf986fe7732d9a"`
[INFO] [stdout] 8c4aa079e5527b7f2e4aecaae0bdb1601e4fa412b5a2f5816ebf986fe7732d9a