[INFO] updating cached repository SHewitt95/rust_fizzbuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SHewitt95/rust_fizzbuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SHewitt95/rust_fizzbuzz" "work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SHewitt95/rust_fizzbuzz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SHewitt95/rust_fizzbuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SHewitt95/rust_fizzbuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d468498bbd8efdba7a127a411d91378267bf729f
[INFO] sha for GitHub repo SHewitt95/rust_fizzbuzz: d468498bbd8efdba7a127a411d91378267bf729f
[INFO] validating manifest of SHewitt95/rust_fizzbuzz 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 SHewitt95/rust_fizzbuzz 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 SHewitt95/rust_fizzbuzz
[INFO] finished frobbing SHewitt95/rust_fizzbuzz
[INFO] frobbed toml for SHewitt95/rust_fizzbuzz written to work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_fizzbuzz/Cargo.toml
[INFO] started frobbing SHewitt95/rust_fizzbuzz
[INFO] finished frobbing SHewitt95/rust_fizzbuzz
[INFO] frobbed toml for SHewitt95/rust_fizzbuzz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SHewitt95/rust_fizzbuzz/Cargo.toml
[INFO] crate SHewitt95/rust_fizzbuzz 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 SHewitt95/rust_fizzbuzz against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4295dfb41df741410395ba276388aa325ad0b3a54c1902413c1dee33dd871730
[INFO] running `"docker" "start" "-a" "4295dfb41df741410395ba276388aa325ad0b3a54c1902413c1dee33dd871730"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "4295dfb41df741410395ba276388aa325ad0b3a54c1902413c1dee33dd871730"`
[INFO] running `"docker" "rm" "-f" "4295dfb41df741410395ba276388aa325ad0b3a54c1902413c1dee33dd871730"`
[INFO] [stdout] 4295dfb41df741410395ba276388aa325ad0b3a54c1902413c1dee33dd871730
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 17b7c9bfff0b0b5c2de77d9bc5a2e098e4150eb3491e07d5c22430d7085a86f9
[INFO] running `"docker" "start" "-a" "17b7c9bfff0b0b5c2de77d9bc5a2e098e4150eb3491e07d5c22430d7085a86f9"`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "17b7c9bfff0b0b5c2de77d9bc5a2e098e4150eb3491e07d5c22430d7085a86f9"`
[INFO] running `"docker" "rm" "-f" "17b7c9bfff0b0b5c2de77d9bc5a2e098e4150eb3491e07d5c22430d7085a86f9"`
[INFO] [stdout] 17b7c9bfff0b0b5c2de77d9bc5a2e098e4150eb3491e07d5c22430d7085a86f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SHewitt95/rust_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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 588c2928b36d7d581364a2d4b2bbc0c77381bedf1fac08b29a25cf2fe1bbc2f3
[INFO] running `"docker" "start" "-a" "588c2928b36d7d581364a2d4b2bbc0c77381bedf1fac08b29a25cf2fe1bbc2f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-455ddfa537d37676
[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" "588c2928b36d7d581364a2d4b2bbc0c77381bedf1fac08b29a25cf2fe1bbc2f3"`
[INFO] running `"docker" "rm" "-f" "588c2928b36d7d581364a2d4b2bbc0c77381bedf1fac08b29a25cf2fe1bbc2f3"`
[INFO] [stdout] 588c2928b36d7d581364a2d4b2bbc0c77381bedf1fac08b29a25cf2fe1bbc2f3