[INFO] updating cached repository VentGrey/FizzBuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VentGrey/FizzBuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VentGrey/FizzBuzz" "work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VentGrey/FizzBuzz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VentGrey/FizzBuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VentGrey/FizzBuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7bfbc284384e887e863295d08755dc86d9d7ae3
[INFO] sha for GitHub repo VentGrey/FizzBuzz: e7bfbc284384e887e863295d08755dc86d9d7ae3
[INFO] validating manifest of VentGrey/FizzBuzz 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 VentGrey/FizzBuzz 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 VentGrey/FizzBuzz
[INFO] finished frobbing VentGrey/FizzBuzz
[INFO] frobbed toml for VentGrey/FizzBuzz written to work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz/Cargo.toml
[INFO] started frobbing VentGrey/FizzBuzz
[INFO] finished frobbing VentGrey/FizzBuzz
[INFO] frobbed toml for VentGrey/FizzBuzz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VentGrey/FizzBuzz/Cargo.toml
[INFO] crate VentGrey/FizzBuzz 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 VentGrey/FizzBuzz against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ad46a4a92157677c443faf8398a6c738663440dd89fd130af0dbefb62de6e6eb
[INFO] running `"docker" "start" "-a" "ad46a4a92157677c443faf8398a6c738663440dd89fd130af0dbefb62de6e6eb"`
[INFO] [stderr]    Compiling FizzBuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `FizzBuzz` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "ad46a4a92157677c443faf8398a6c738663440dd89fd130af0dbefb62de6e6eb"`
[INFO] running `"docker" "rm" "-f" "ad46a4a92157677c443faf8398a6c738663440dd89fd130af0dbefb62de6e6eb"`
[INFO] [stdout] ad46a4a92157677c443faf8398a6c738663440dd89fd130af0dbefb62de6e6eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fd8ceca13c076e0bb8f8a964ba353f68c6582ce3ddd569a899ca8cd5e5c37f28
[INFO] running `"docker" "start" "-a" "fd8ceca13c076e0bb8f8a964ba353f68c6582ce3ddd569a899ca8cd5e5c37f28"`
[INFO] [stderr]    Compiling FizzBuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `FizzBuzz` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "fd8ceca13c076e0bb8f8a964ba353f68c6582ce3ddd569a899ca8cd5e5c37f28"`
[INFO] running `"docker" "rm" "-f" "fd8ceca13c076e0bb8f8a964ba353f68c6582ce3ddd569a899ca8cd5e5c37f28"`
[INFO] [stdout] fd8ceca13c076e0bb8f8a964ba353f68c6582ce3ddd569a899ca8cd5e5c37f28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VentGrey/FizzBuzz:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2569fa354d0ba1425042d233507bae1f06c6b40955610f1b80c4fcf77b2d8f65
[INFO] running `"docker" "start" "-a" "2569fa354d0ba1425042d233507bae1f06c6b40955610f1b80c4fcf77b2d8f65"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/FizzBuzz-64aaab1a31133662
[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" "2569fa354d0ba1425042d233507bae1f06c6b40955610f1b80c4fcf77b2d8f65"`
[INFO] running `"docker" "rm" "-f" "2569fa354d0ba1425042d233507bae1f06c6b40955610f1b80c4fcf77b2d8f65"`
[INFO] [stdout] 2569fa354d0ba1425042d233507bae1f06c6b40955610f1b80c4fcf77b2d8f65