[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/VentGrey/FizzBuzz"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/VentGrey/FizzBuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VentGrey/FizzBuzz" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/VentGrey/FizzBuzz"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VentGrey/FizzBuzz on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/VentGrey/FizzBuzz/Cargo.toml
[INFO] crate VentGrey/FizzBuzz has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing VentGrey/FizzBuzz against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] e9a90df6e9855b928f5e39a0dc105bc3931fbc59ae5518bfc46c3b08f9c6d6e4
[INFO] running `"docker" "start" "-a" "e9a90df6e9855b928f5e39a0dc105bc3931fbc59ae5518bfc46c3b08f9c6d6e4"`
[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 0.81s
[INFO] running `"docker" "inspect" "e9a90df6e9855b928f5e39a0dc105bc3931fbc59ae5518bfc46c3b08f9c6d6e4"`
[INFO] running `"docker" "rm" "-f" "e9a90df6e9855b928f5e39a0dc105bc3931fbc59ae5518bfc46c3b08f9c6d6e4"`
[INFO] [stdout] e9a90df6e9855b928f5e39a0dc105bc3931fbc59ae5518bfc46c3b08f9c6d6e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0f3fbf76240b9da8a3fced464319d9de53c1bf2fd550b5b35545b0c9b2613dbf
[INFO] running `"docker" "start" "-a" "0f3fbf76240b9da8a3fced464319d9de53c1bf2fd550b5b35545b0c9b2613dbf"`
[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 0.68s
[INFO] running `"docker" "inspect" "0f3fbf76240b9da8a3fced464319d9de53c1bf2fd550b5b35545b0c9b2613dbf"`
[INFO] running `"docker" "rm" "-f" "0f3fbf76240b9da8a3fced464319d9de53c1bf2fd550b5b35545b0c9b2613dbf"`
[INFO] [stdout] 0f3fbf76240b9da8a3fced464319d9de53c1bf2fd550b5b35545b0c9b2613dbf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] dad419941b961dca2332f4f9ff2165bedbf83b391d62f3d17e4d012ec461fa3d
[INFO] running `"docker" "start" "-a" "dad419941b961dca2332f4f9ff2165bedbf83b391d62f3d17e4d012ec461fa3d"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/FizzBuzz-fb208011e487c644
[INFO] running `"docker" "inspect" "dad419941b961dca2332f4f9ff2165bedbf83b391d62f3d17e4d012ec461fa3d"`
[INFO] running `"docker" "rm" "-f" "dad419941b961dca2332f4f9ff2165bedbf83b391d62f3d17e4d012ec461fa3d"`
[INFO] [stdout] dad419941b961dca2332f4f9ff2165bedbf83b391d62f3d17e4d012ec461fa3d