[INFO] updating cached repository s5003597/rDNS
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/s5003597/rDNS
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/s5003597/rDNS" "work/ex/beta-1.37-6/sources/1.36.0/gh/s5003597/rDNS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/s5003597/rDNS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/s5003597/rDNS" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 651ca6e5bb8a4640539d894c7f1a7ee064939cd2
[INFO] sha for GitHub repo s5003597/rDNS: 651ca6e5bb8a4640539d894c7f1a7ee064939cd2
[INFO] validating manifest of s5003597/rDNS on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of s5003597/rDNS on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing s5003597/rDNS
[INFO] finished frobbing s5003597/rDNS
[INFO] frobbed toml for s5003597/rDNS written to work/ex/beta-1.37-6/sources/1.36.0/gh/s5003597/rDNS/Cargo.toml
[INFO] started frobbing s5003597/rDNS
[INFO] finished frobbing s5003597/rDNS
[INFO] frobbed toml for s5003597/rDNS written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS/Cargo.toml
[INFO] crate s5003597/rDNS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing s5003597/rDNS against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e91373473b1e7c5973004cd1554d9672f8c986f223e69c28812e96544331847e
[INFO] running `"docker" "start" "-a" "e91373473b1e7c5973004cd1554d9672f8c986f223e69c28812e96544331847e"`
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `test_2`
[INFO] [stderr]   --> src/main.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn test_2() {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "e91373473b1e7c5973004cd1554d9672f8c986f223e69c28812e96544331847e"`
[INFO] running `"docker" "rm" "-f" "e91373473b1e7c5973004cd1554d9672f8c986f223e69c28812e96544331847e"`
[INFO] [stdout] e91373473b1e7c5973004cd1554d9672f8c986f223e69c28812e96544331847e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 70979493a314af6419a8fd096fbff630a43a4966f64154f23b749d2fb8a7665d
[INFO] running `"docker" "start" "-a" "70979493a314af6419a8fd096fbff630a43a4966f64154f23b749d2fb8a7665d"`
[INFO] [stderr]    Compiling rdns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `test_2`
[INFO] [stderr]   --> src/main.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn test_2() {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "70979493a314af6419a8fd096fbff630a43a4966f64154f23b749d2fb8a7665d"`
[INFO] running `"docker" "rm" "-f" "70979493a314af6419a8fd096fbff630a43a4966f64154f23b749d2fb8a7665d"`
[INFO] [stdout] 70979493a314af6419a8fd096fbff630a43a4966f64154f23b749d2fb8a7665d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/s5003597/rDNS:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 48a23ebb978bc9a93f31fb1a53a8cb2d617d2abcccbb168afab574c7d1aaddda
[INFO] running `"docker" "start" "-a" "48a23ebb978bc9a93f31fb1a53a8cb2d617d2abcccbb168afab574c7d1aaddda"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rdns-29d42cc39b7db0ac
[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" "48a23ebb978bc9a93f31fb1a53a8cb2d617d2abcccbb168afab574c7d1aaddda"`
[INFO] running `"docker" "rm" "-f" "48a23ebb978bc9a93f31fb1a53a8cb2d617d2abcccbb168afab574c7d1aaddda"`
[INFO] [stdout] 48a23ebb978bc9a93f31fb1a53a8cb2d617d2abcccbb168afab574c7d1aaddda