[INFO] updating cached repository golf1052/rustdns
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/golf1052/rustdns
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/golf1052/rustdns" "work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/golf1052/rustdns" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golf1052/rustdns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golf1052/rustdns'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 423b6610a46fecc1f7ad0e85d4fb91a0dcf94b7f
[INFO] sha for GitHub repo golf1052/rustdns: 423b6610a46fecc1f7ad0e85d4fb91a0dcf94b7f
[INFO] validating manifest of golf1052/rustdns 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 golf1052/rustdns 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 golf1052/rustdns
[INFO] finished frobbing golf1052/rustdns
[INFO] frobbed toml for golf1052/rustdns written to work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns/Cargo.toml
[INFO] started frobbing golf1052/rustdns
[INFO] finished frobbing golf1052/rustdns
[INFO] frobbed toml for golf1052/rustdns written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golf1052/rustdns/Cargo.toml
[INFO] crate golf1052/rustdns 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 golf1052/rustdns 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns:/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] 53f6c92e8c60ce037129cefabb709bdc93941f4dae712525d375c6945af3b6c6
[INFO] running `"docker" "start" "-a" "53f6c92e8c60ce037129cefabb709bdc93941f4dae712525d375c6945af3b6c6"`
[INFO] [stderr]    Compiling rustdns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `dump_packet`
[INFO] [stderr]    --> src/main.rs:385:1
[INFO] [stderr]     |
[INFO] [stderr] 385 | fn dump_packet(data: &[u8]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_char`
[INFO] [stderr]    --> src/main.rs:404:1
[INFO] [stderr]     |
[INFO] [stderr] 404 | fn get_char(datum: u8) -> char {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "53f6c92e8c60ce037129cefabb709bdc93941f4dae712525d375c6945af3b6c6"`
[INFO] running `"docker" "rm" "-f" "53f6c92e8c60ce037129cefabb709bdc93941f4dae712525d375c6945af3b6c6"`
[INFO] [stdout] 53f6c92e8c60ce037129cefabb709bdc93941f4dae712525d375c6945af3b6c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns:/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] 257d8f66127071b93dfca74281b64d9542e44003b111819388f47f5c717d4d9e
[INFO] running `"docker" "start" "-a" "257d8f66127071b93dfca74281b64d9542e44003b111819388f47f5c717d4d9e"`
[INFO] [stderr]    Compiling rustdns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `dump_packet`
[INFO] [stderr]    --> src/main.rs:385:1
[INFO] [stderr]     |
[INFO] [stderr] 385 | fn dump_packet(data: &[u8]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_char`
[INFO] [stderr]    --> src/main.rs:404:1
[INFO] [stderr]     |
[INFO] [stderr] 404 | fn get_char(datum: u8) -> char {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "257d8f66127071b93dfca74281b64d9542e44003b111819388f47f5c717d4d9e"`
[INFO] running `"docker" "rm" "-f" "257d8f66127071b93dfca74281b64d9542e44003b111819388f47f5c717d4d9e"`
[INFO] [stdout] 257d8f66127071b93dfca74281b64d9542e44003b111819388f47f5c717d4d9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golf1052/rustdns:/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] 635d85f198c0c401b731af86d48bc8fd04bc3a1079d4c3a5f5ebfeb82a16242f
[INFO] running `"docker" "start" "-a" "635d85f198c0c401b731af86d48bc8fd04bc3a1079d4c3a5f5ebfeb82a16242f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustdns-c09cbf1b4e6bc5fa
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_to_u32 ... ok
[INFO] [stdout] test test::test_dns_name_to_name ... ok
[INFO] [stdout] test test::test_to_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "635d85f198c0c401b731af86d48bc8fd04bc3a1079d4c3a5f5ebfeb82a16242f"`
[INFO] running `"docker" "rm" "-f" "635d85f198c0c401b731af86d48bc8fd04bc3a1079d4c3a5f5ebfeb82a16242f"`
[INFO] [stdout] 635d85f198c0c401b731af86d48bc8fd04bc3a1079d4c3a5f5ebfeb82a16242f