[INFO] updating cached repository nacardin/spf-resolver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nacardin/spf-resolver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nacardin/spf-resolver" "work/ex/beta-1.37-6/sources/1.36.0/gh/nacardin/spf-resolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nacardin/spf-resolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nacardin/spf-resolver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nacardin/spf-resolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nacardin/spf-resolver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 561d24bcf4ee92de1a52b6dbe4b6f5057dd41881
[INFO] sha for GitHub repo nacardin/spf-resolver: 561d24bcf4ee92de1a52b6dbe4b6f5057dd41881
[INFO] validating manifest of nacardin/spf-resolver 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 nacardin/spf-resolver 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 nacardin/spf-resolver
[INFO] finished frobbing nacardin/spf-resolver
[INFO] frobbed toml for nacardin/spf-resolver written to work/ex/beta-1.37-6/sources/1.36.0/gh/nacardin/spf-resolver/Cargo.toml
[INFO] started frobbing nacardin/spf-resolver
[INFO] finished frobbing nacardin/spf-resolver
[INFO] frobbed toml for nacardin/spf-resolver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nacardin/spf-resolver/Cargo.toml
[INFO] crate nacardin/spf-resolver 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nacardin/spf-resolver/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 nacardin/spf-resolver 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-4/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/nacardin/spf-resolver:/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] 912938104eca8f4e0983701c7b53f97a42edd219674d226b0e7a9e081d3a5b5b
[INFO] running `"docker" "start" "-a" "912938104eca8f4e0983701c7b53f97a42edd219674d226b0e7a9e081d3a5b5b"`
[INFO] [stderr]    Compiling dns-parser v0.3.5
[INFO] [stderr]    Compiling spf-resolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (amt, src) = socket.recv_from(&mut buf2).expect("cvfrm failed");
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/main.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (amt, src) = socket.recv_from(&mut buf2).expect("cvfrm failed");
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut socket = UdpSocket::bind("0.0.0.0:34254").expect("sock fails");
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     socket.send_to(buf, &sockaddr);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "912938104eca8f4e0983701c7b53f97a42edd219674d226b0e7a9e081d3a5b5b"`
[INFO] running `"docker" "rm" "-f" "912938104eca8f4e0983701c7b53f97a42edd219674d226b0e7a9e081d3a5b5b"`
[INFO] [stdout] 912938104eca8f4e0983701c7b53f97a42edd219674d226b0e7a9e081d3a5b5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/nacardin/spf-resolver:/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] 688500459bfd6b978251c2bf59eb419314e05e17547079351073f001b6b77850
[INFO] running `"docker" "start" "-a" "688500459bfd6b978251c2bf59eb419314e05e17547079351073f001b6b77850"`
[INFO] [stderr]    Compiling spf-resolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (amt, src) = socket.recv_from(&mut buf2).expect("cvfrm failed");
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/main.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (amt, src) = socket.recv_from(&mut buf2).expect("cvfrm failed");
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut socket = UdpSocket::bind("0.0.0.0:34254").expect("sock fails");
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     socket.send_to(buf, &sockaddr);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "688500459bfd6b978251c2bf59eb419314e05e17547079351073f001b6b77850"`
[INFO] running `"docker" "rm" "-f" "688500459bfd6b978251c2bf59eb419314e05e17547079351073f001b6b77850"`
[INFO] [stdout] 688500459bfd6b978251c2bf59eb419314e05e17547079351073f001b6b77850
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/nacardin/spf-resolver:/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] ca62c3195528ed59283b3339ae6eae11dcf2f5da98c8c80ee1c74b1b72496dd4
[INFO] running `"docker" "start" "-a" "ca62c3195528ed59283b3339ae6eae11dcf2f5da98c8c80ee1c74b1b72496dd4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spf_resolver-392642dd647168e0
[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" "ca62c3195528ed59283b3339ae6eae11dcf2f5da98c8c80ee1c74b1b72496dd4"`
[INFO] running `"docker" "rm" "-f" "ca62c3195528ed59283b3339ae6eae11dcf2f5da98c8c80ee1c74b1b72496dd4"`
[INFO] [stdout] ca62c3195528ed59283b3339ae6eae11dcf2f5da98c8c80ee1c74b1b72496dd4