[INFO] updating cached repository proshunsuke/fizzbuzz-rust-ver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/proshunsuke/fizzbuzz-rust-ver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/proshunsuke/fizzbuzz-rust-ver" "work/ex/beta-1.38-1/sources/1.37.0/gh/proshunsuke/fizzbuzz-rust-ver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/proshunsuke/fizzbuzz-rust-ver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/proshunsuke/fizzbuzz-rust-ver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proshunsuke/fizzbuzz-rust-ver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proshunsuke/fizzbuzz-rust-ver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 552ff4fc901fddbd1dcbc439f4f114a6af9942c3
[INFO] sha for GitHub repo proshunsuke/fizzbuzz-rust-ver: 552ff4fc901fddbd1dcbc439f4f114a6af9942c3
[INFO] validating manifest of proshunsuke/fizzbuzz-rust-ver 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 proshunsuke/fizzbuzz-rust-ver 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 proshunsuke/fizzbuzz-rust-ver
[INFO] finished frobbing proshunsuke/fizzbuzz-rust-ver
[INFO] frobbed toml for proshunsuke/fizzbuzz-rust-ver written to work/ex/beta-1.38-1/sources/1.37.0/gh/proshunsuke/fizzbuzz-rust-ver/Cargo.toml
[INFO] started frobbing proshunsuke/fizzbuzz-rust-ver
[INFO] finished frobbing proshunsuke/fizzbuzz-rust-ver
[INFO] frobbed toml for proshunsuke/fizzbuzz-rust-ver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proshunsuke/fizzbuzz-rust-ver/Cargo.toml
[INFO] crate proshunsuke/fizzbuzz-rust-ver 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 proshunsuke/fizzbuzz-rust-ver 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-3/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/proshunsuke/fizzbuzz-rust-ver:/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] eb53a8a1e22c84870c20054af97a0dd191b0696aabff966148ae1d1af30ba568
[INFO] running `"docker" "start" "-a" "eb53a8a1e22c84870c20054af97a0dd191b0696aabff966148ae1d1af30ba568"`
[INFO] [stderr]    Compiling RustFizzBuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustFizzBuzz` 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: `rust_fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustFizzBuzz` 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: `rust_fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "eb53a8a1e22c84870c20054af97a0dd191b0696aabff966148ae1d1af30ba568"`
[INFO] running `"docker" "rm" "-f" "eb53a8a1e22c84870c20054af97a0dd191b0696aabff966148ae1d1af30ba568"`
[INFO] [stdout] eb53a8a1e22c84870c20054af97a0dd191b0696aabff966148ae1d1af30ba568
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/proshunsuke/fizzbuzz-rust-ver:/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] 2518725e7f03384924e6aa018a14e2ee2dac3fdd03af9a40eb696e2e85930c44
[INFO] running `"docker" "start" "-a" "2518725e7f03384924e6aa018a14e2ee2dac3fdd03af9a40eb696e2e85930c44"`
[INFO] [stderr]    Compiling RustFizzBuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustFizzBuzz` 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: `rust_fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustFizzBuzz` 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: `rust_fizz_buzz`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "2518725e7f03384924e6aa018a14e2ee2dac3fdd03af9a40eb696e2e85930c44"`
[INFO] running `"docker" "rm" "-f" "2518725e7f03384924e6aa018a14e2ee2dac3fdd03af9a40eb696e2e85930c44"`
[INFO] [stdout] 2518725e7f03384924e6aa018a14e2ee2dac3fdd03af9a40eb696e2e85930c44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/proshunsuke/fizzbuzz-rust-ver:/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] 08f60b5137b73d334b5e44669be579f2ebf72d4a12fbcb79a061c6fb9397b27d
[INFO] running `"docker" "start" "-a" "08f60b5137b73d334b5e44669be579f2ebf72d4a12fbcb79a061c6fb9397b27d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustFizzBuzz-502f713f3ec69260
[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/RustFizzBuzz-4599e8ee7347a2e2
[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/test_rust_fizzbuzz-a0c24faa5d921264
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test can_test ... ok
[INFO] [stdout] test _5is_buzz ... ok
[INFO] [stdout] test _3is_fizz ... ok
[INFO] [stdout] test _1is_1 ... ok
[INFO] [stdout] test _15is_fizzbuzz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests RustFizzBuzz
[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" "08f60b5137b73d334b5e44669be579f2ebf72d4a12fbcb79a061c6fb9397b27d"`
[INFO] running `"docker" "rm" "-f" "08f60b5137b73d334b5e44669be579f2ebf72d4a12fbcb79a061c6fb9397b27d"`
[INFO] [stdout] 08f60b5137b73d334b5e44669be579f2ebf72d4a12fbcb79a061c6fb9397b27d