[INFO] updating cached repository mclark4386/formula-fib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mclark4386/formula-fib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mclark4386/formula-fib" "work/ex/beta-1.38-1/sources/1.37.0/gh/mclark4386/formula-fib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mclark4386/formula-fib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mclark4386/formula-fib" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mclark4386/formula-fib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mclark4386/formula-fib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b64ceff603f1df2dbd1fcb4c9714d6ba576dbe68
[INFO] sha for GitHub repo mclark4386/formula-fib: b64ceff603f1df2dbd1fcb4c9714d6ba576dbe68
[INFO] validating manifest of mclark4386/formula-fib 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 mclark4386/formula-fib 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 mclark4386/formula-fib
[INFO] finished frobbing mclark4386/formula-fib
[INFO] frobbed toml for mclark4386/formula-fib written to work/ex/beta-1.38-1/sources/1.37.0/gh/mclark4386/formula-fib/Cargo.toml
[INFO] started frobbing mclark4386/formula-fib
[INFO] finished frobbing mclark4386/formula-fib
[INFO] frobbed toml for mclark4386/formula-fib written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mclark4386/formula-fib/Cargo.toml
[INFO] crate mclark4386/formula-fib 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 mclark4386/formula-fib 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-4/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/mclark4386/formula-fib:/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] 11f4a5786f52d3f3c8a22239605b38956baa727a5e09d761a6bfc12c28030384
[INFO] running `"docker" "start" "-a" "11f4a5786f52d3f3c8a22239605b38956baa727a5e09d761a6bfc12c28030384"`
[INFO] [stderr]    Compiling formula-fib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "11f4a5786f52d3f3c8a22239605b38956baa727a5e09d761a6bfc12c28030384"`
[INFO] running `"docker" "rm" "-f" "11f4a5786f52d3f3c8a22239605b38956baa727a5e09d761a6bfc12c28030384"`
[INFO] [stdout] 11f4a5786f52d3f3c8a22239605b38956baa727a5e09d761a6bfc12c28030384
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mclark4386/formula-fib:/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] c9a7800263f7589e34a2d9d1a5e64461e9b3241fa6702c2b6a016df83715a582
[INFO] running `"docker" "start" "-a" "c9a7800263f7589e34a2d9d1a5e64461e9b3241fa6702c2b6a016df83715a582"`
[INFO] [stderr]    Compiling formula-fib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "c9a7800263f7589e34a2d9d1a5e64461e9b3241fa6702c2b6a016df83715a582"`
[INFO] running `"docker" "rm" "-f" "c9a7800263f7589e34a2d9d1a5e64461e9b3241fa6702c2b6a016df83715a582"`
[INFO] [stdout] c9a7800263f7589e34a2d9d1a5e64461e9b3241fa6702c2b6a016df83715a582
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mclark4386/formula-fib:/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] 2731dff6bcec4a7a1a7e9f0b092ab9ced0882e2e88ad26e81da94bc649487a87
[INFO] running `"docker" "start" "-a" "2731dff6bcec4a7a1a7e9f0b092ab9ced0882e2e88ad26e81da94bc649487a87"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/formula_fib-c06d0e7f9be885be
[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" "2731dff6bcec4a7a1a7e9f0b092ab9ced0882e2e88ad26e81da94bc649487a87"`
[INFO] running `"docker" "rm" "-f" "2731dff6bcec4a7a1a7e9f0b092ab9ced0882e2e88ad26e81da94bc649487a87"`
[INFO] [stdout] 2731dff6bcec4a7a1a7e9f0b092ab9ced0882e2e88ad26e81da94bc649487a87