[INFO] updating cached repository justinmoon/dnrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinmoon/dnrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmoon/dnrs" "work/ex/beta-1.37-6/sources/1.36.0/gh/justinmoon/dnrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/justinmoon/dnrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinmoon/dnrs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/justinmoon/dnrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/justinmoon/dnrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e21c398c2714b168ddf311bbddf6a263e8fc76e
[INFO] sha for GitHub repo justinmoon/dnrs: 6e21c398c2714b168ddf311bbddf6a263e8fc76e
[INFO] validating manifest of justinmoon/dnrs 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 justinmoon/dnrs 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 justinmoon/dnrs
[INFO] finished frobbing justinmoon/dnrs
[INFO] frobbed toml for justinmoon/dnrs written to work/ex/beta-1.37-6/sources/1.36.0/gh/justinmoon/dnrs/Cargo.toml
[INFO] started frobbing justinmoon/dnrs
[INFO] finished frobbing justinmoon/dnrs
[INFO] frobbed toml for justinmoon/dnrs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/justinmoon/dnrs/Cargo.toml
[INFO] crate justinmoon/dnrs 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 justinmoon/dnrs 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-7/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/justinmoon/dnrs:/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] 7028eb100578c288dd8dfdf7d26cf4b40561ad1e12cd70962c3ec815ff165847
[INFO] running `"docker" "start" "-a" "7028eb100578c288dd8dfdf7d26cf4b40561ad1e12cd70962c3ec815ff165847"`
[INFO] [stderr]    Compiling dnrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | fn parse() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]    --> src/main.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn resolve(url: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 |         buffer.read_qname(&mut domain);
[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 1.82s
[INFO] running `"docker" "inspect" "7028eb100578c288dd8dfdf7d26cf4b40561ad1e12cd70962c3ec815ff165847"`
[INFO] running `"docker" "rm" "-f" "7028eb100578c288dd8dfdf7d26cf4b40561ad1e12cd70962c3ec815ff165847"`
[INFO] [stdout] 7028eb100578c288dd8dfdf7d26cf4b40561ad1e12cd70962c3ec815ff165847
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/justinmoon/dnrs:/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] c8ca32aae4e7caf3492dcbdd46717d2794ffa7bfc664feca632a88bfca4949f0
[INFO] running `"docker" "start" "-a" "c8ca32aae4e7caf3492dcbdd46717d2794ffa7bfc664feca632a88bfca4949f0"`
[INFO] [stderr]    Compiling dnrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:729:1
[INFO] [stderr]     |
[INFO] [stderr] 729 | fn parse() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `resolve`
[INFO] [stderr]    --> src/main.rs:751:1
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn resolve(url: &str) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 |         buffer.read_qname(&mut domain);
[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 1.12s
[INFO] running `"docker" "inspect" "c8ca32aae4e7caf3492dcbdd46717d2794ffa7bfc664feca632a88bfca4949f0"`
[INFO] running `"docker" "rm" "-f" "c8ca32aae4e7caf3492dcbdd46717d2794ffa7bfc664feca632a88bfca4949f0"`
[INFO] [stdout] c8ca32aae4e7caf3492dcbdd46717d2794ffa7bfc664feca632a88bfca4949f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/justinmoon/dnrs:/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] c070d16318f5dbcff59ac90850fda32492ba18098e62b3da58f21a79f6d250b6
[INFO] running `"docker" "start" "-a" "c070d16318f5dbcff59ac90850fda32492ba18098e62b3da58f21a79f6d250b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dnrs-e1bd7e1d3de9f3ca
[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" "c070d16318f5dbcff59ac90850fda32492ba18098e62b3da58f21a79f6d250b6"`
[INFO] running `"docker" "rm" "-f" "c070d16318f5dbcff59ac90850fda32492ba18098e62b3da58f21a79f6d250b6"`
[INFO] [stdout] c070d16318f5dbcff59ac90850fda32492ba18098e62b3da58f21a79f6d250b6