[INFO] updating cached repository jawline/rust_dns_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jawline/rust_dns_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jawline/rust_dns_client" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jawline/rust_dns_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jawline/rust_dns_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jawline/rust_dns_client" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d86f63660711439907dc9c38516c33da0cb2d283
[INFO] sha for GitHub repo jawline/rust_dns_client: d86f63660711439907dc9c38516c33da0cb2d283
[INFO] validating manifest of jawline/rust_dns_client on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jawline/rust_dns_client on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jawline/rust_dns_client
[INFO] finished frobbing jawline/rust_dns_client
[INFO] frobbed toml for jawline/rust_dns_client written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jawline/rust_dns_client/Cargo.toml
[INFO] started frobbing jawline/rust_dns_client
[INFO] finished frobbing jawline/rust_dns_client
[INFO] frobbed toml for jawline/rust_dns_client written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client/Cargo.toml
[INFO] crate jawline/rust_dns_client has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jawline/rust_dns_client against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 3ce742d631a1e79b69b17a3e5d60408c8c7ce51f090821f2f8bddbf853cd1018
[INFO] running `"docker" "start" "-a" "3ce742d631a1e79b69b17a3e5d60408c8c7ce51f090821f2f8bddbf853cd1018"`
[INFO] [stderr]    Compiling dns_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SOA_CODE`
[INFO] [stderr]  --> src/record.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const SOA_CODE: u16 = 0x6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WKS_CODE`
[INFO] [stderr]  --> src/record.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const WKS_CODE: u16 = 0xB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PTR_CODE`
[INFO] [stderr]  --> src/record.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const PTR_CODE: u16 = 0xC;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRV_CODE`
[INFO] [stderr]   --> src/record.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SRV_CODE: u16 = 0x21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `AAAA_CODE`
[INFO] [stderr]   --> src/record.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const AAAA_CODE: u16 = 0x1C;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "3ce742d631a1e79b69b17a3e5d60408c8c7ce51f090821f2f8bddbf853cd1018"`
[INFO] running `"docker" "rm" "-f" "3ce742d631a1e79b69b17a3e5d60408c8c7ce51f090821f2f8bddbf853cd1018"`
[INFO] [stdout] 3ce742d631a1e79b69b17a3e5d60408c8c7ce51f090821f2f8bddbf853cd1018
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7c7e6c3560e9c73965e6b0f17946241cd6da6d841383c233f03b566a9007d557
[INFO] running `"docker" "start" "-a" "7c7e6c3560e9c73965e6b0f17946241cd6da6d841383c233f03b566a9007d557"`
[INFO] [stderr]    Compiling dns_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/record.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "NS" => Some(NS_CODE),
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SOA_CODE`
[INFO] [stderr]  --> src/record.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const SOA_CODE: u16 = 0x6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WKS_CODE`
[INFO] [stderr]  --> src/record.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const WKS_CODE: u16 = 0xB;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PTR_CODE`
[INFO] [stderr]  --> src/record.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const PTR_CODE: u16 = 0xC;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SRV_CODE`
[INFO] [stderr]   --> src/record.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SRV_CODE: u16 = 0x21;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `AAAA_CODE`
[INFO] [stderr]   --> src/record.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const AAAA_CODE: u16 = 0x1C;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "7c7e6c3560e9c73965e6b0f17946241cd6da6d841383c233f03b566a9007d557"`
[INFO] running `"docker" "rm" "-f" "7c7e6c3560e9c73965e6b0f17946241cd6da6d841383c233f03b566a9007d557"`
[INFO] [stdout] 7c7e6c3560e9c73965e6b0f17946241cd6da6d841383c233f03b566a9007d557
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jawline/rust_dns_client:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] b7494acaaae8fb82b29764744d6645186a9be1e315ccaa0272578c274a2ee37c
[INFO] running `"docker" "start" "-a" "b7494acaaae8fb82b29764744d6645186a9be1e315ccaa0272578c274a2ee37c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dns_client-0f00353f4e95858b
[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] [stderr]      Running /opt/crater/target/debug/deps/dns_client-36a3a4e27f116f62
[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] [stderr]    Doc-tests dns_client
[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" "b7494acaaae8fb82b29764744d6645186a9be1e315ccaa0272578c274a2ee37c"`
[INFO] running `"docker" "rm" "-f" "b7494acaaae8fb82b29764744d6645186a9be1e315ccaa0272578c274a2ee37c"`
[INFO] [stdout] b7494acaaae8fb82b29764744d6645186a9be1e315ccaa0272578c274a2ee37c