[INFO] updating cached repository https://github.com/ryandv/dense
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4ff6215ec7d04dabd1475b5513382f748e2991a
[INFO] testing ryandv/dense against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryandv%2Fdense" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryandv/dense on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ryandv/dense
[INFO] finished tweaking git repo https://github.com/ryandv/dense
[INFO] tweaked toml for git repo https://github.com/ryandv/dense written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ryandv/dense already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e13f25d5c1cc20dcd1dfde5d0e1a8b197ec06fe1b80689485e04a6dc9d91d4a
[INFO] running `"docker" "start" "-a" "8e13f25d5c1cc20dcd1dfde5d0e1a8b197ec06fe1b80689485e04a6dc9d91d4a"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling dense v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         count: u16,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "8e13f25d5c1cc20dcd1dfde5d0e1a8b197ec06fe1b80689485e04a6dc9d91d4a"`
[INFO] running `"docker" "rm" "-f" "8e13f25d5c1cc20dcd1dfde5d0e1a8b197ec06fe1b80689485e04a6dc9d91d4a"`
[INFO] [stdout] 8e13f25d5c1cc20dcd1dfde5d0e1a8b197ec06fe1b80689485e04a6dc9d91d4a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e4d9060621438941b7b9f794897369bb3137ae0d4790dd71e0aa216102a9095
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9e4d9060621438941b7b9f794897369bb3137ae0d4790dd71e0aa216102a9095"`
[INFO] [stderr]    Compiling dense v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         count: u16,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |         let domain_name = String::from("f.isi.arpa");
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:641:13
[INFO] [stderr]     |
[INFO] [stderr] 641 |         let mut domain_table = HashMap::<u16, String>::new();
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `"docker" "inspect" "9e4d9060621438941b7b9f794897369bb3137ae0d4790dd71e0aa216102a9095"`
[INFO] running `"docker" "rm" "-f" "9e4d9060621438941b7b9f794897369bb3137ae0d4790dd71e0aa216102a9095"`
[INFO] [stdout] 9e4d9060621438941b7b9f794897369bb3137ae0d4790dd71e0aa216102a9095
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 288d7aa12c4c147497624e2a217471eb4058453792fec6825b66f81d6c0eafd3
[INFO] running `"docker" "start" "-a" "288d7aa12c4c147497624e2a217471eb4058453792fec6825b66f81d6c0eafd3"`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stdout] running 5 tests
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         count: u16,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |         let domain_name = String::from("f.isi.arpa");
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domain_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:641:13
[INFO] [stderr]     |
[INFO] [stderr] 641 |         let mut domain_table = HashMap::<u16, String>::new();
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dense-3385ac7bf9f805a7
[INFO] [stdout] test test::unmarshals_dnsmessage_headers_from_packet ... ok
[INFO] [stdout] test test::constructs_a_well_formed_packet_from_a_dnsmessage ... ok
[INFO] [stdout] test test::unmarshals_dnsquestions_from_packet ... ok
[INFO] [stdout] test test::unmarshals_resource_records_from_packet_with_pointer_domain_names ... ok
[INFO] [stdout] test test::unmarshals_resource_records_from_packet ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "288d7aa12c4c147497624e2a217471eb4058453792fec6825b66f81d6c0eafd3"`
[INFO] running `"docker" "rm" "-f" "288d7aa12c4c147497624e2a217471eb4058453792fec6825b66f81d6c0eafd3"`
[INFO] [stdout] 288d7aa12c4c147497624e2a217471eb4058453792fec6825b66f81d6c0eafd3