[INFO] updating cached repository quangtung97-study/hex-file
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/quangtung97-study/hex-file
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/quangtung97-study/hex-file" "work/ex/beta-1.38-1/sources/1.37.0/gh/quangtung97-study/hex-file"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/quangtung97-study/hex-file'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/quangtung97-study/hex-file" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quangtung97-study/hex-file"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quangtung97-study/hex-file'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4145dac18a55ea065743be56ab06c5b6b0aa0d5
[INFO] sha for GitHub repo quangtung97-study/hex-file: f4145dac18a55ea065743be56ab06c5b6b0aa0d5
[INFO] validating manifest of quangtung97-study/hex-file 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 quangtung97-study/hex-file 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 quangtung97-study/hex-file
[INFO] finished frobbing quangtung97-study/hex-file
[INFO] frobbed toml for quangtung97-study/hex-file written to work/ex/beta-1.38-1/sources/1.37.0/gh/quangtung97-study/hex-file/Cargo.toml
[INFO] started frobbing quangtung97-study/hex-file
[INFO] finished frobbing quangtung97-study/hex-file
[INFO] frobbed toml for quangtung97-study/hex-file written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quangtung97-study/hex-file/Cargo.toml
[INFO] crate quangtung97-study/hex-file 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 quangtung97-study/hex-file 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/quangtung97-study/hex-file:/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] 3af8aaa66fec41ec547c0b38f6796f0c8be729f437c2391a823be3b5c779b005
[INFO] running `"docker" "start" "-a" "3af8aaa66fec41ec547c0b38f6796f0c8be729f437c2391a823be3b5c779b005"`
[INFO] [stderr]    Compiling hex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "3af8aaa66fec41ec547c0b38f6796f0c8be729f437c2391a823be3b5c779b005"`
[INFO] running `"docker" "rm" "-f" "3af8aaa66fec41ec547c0b38f6796f0c8be729f437c2391a823be3b5c779b005"`
[INFO] [stdout] 3af8aaa66fec41ec547c0b38f6796f0c8be729f437c2391a823be3b5c779b005
[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/quangtung97-study/hex-file:/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] d7a412cbe5e2009712f458aaf6bc740ebaf2320b9f79f543898e0c76663472aa
[INFO] running `"docker" "start" "-a" "d7a412cbe5e2009712f458aaf6bc740ebaf2320b9f79f543898e0c76663472aa"`
[INFO] [stderr]    Compiling hex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "d7a412cbe5e2009712f458aaf6bc740ebaf2320b9f79f543898e0c76663472aa"`
[INFO] running `"docker" "rm" "-f" "d7a412cbe5e2009712f458aaf6bc740ebaf2320b9f79f543898e0c76663472aa"`
[INFO] [stdout] d7a412cbe5e2009712f458aaf6bc740ebaf2320b9f79f543898e0c76663472aa
[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/quangtung97-study/hex-file:/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] b27f5bfeb6038acc7642c6733859af96271e8702ec522b53d446e59c66470fa4
[INFO] running `"docker" "start" "-a" "b27f5bfeb6038acc7642c6733859af96271e8702ec522b53d446e59c66470fa4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hex-40387d221bf5405f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_char_to_byte ... ok
[INFO] [stdout] test test_two_char_to_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b27f5bfeb6038acc7642c6733859af96271e8702ec522b53d446e59c66470fa4"`
[INFO] running `"docker" "rm" "-f" "b27f5bfeb6038acc7642c6733859af96271e8702ec522b53d446e59c66470fa4"`
[INFO] [stdout] b27f5bfeb6038acc7642c6733859af96271e8702ec522b53d446e59c66470fa4