[INFO] cloning repository https://github.com/golf1052/rustdns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golf1052/rustdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolf1052%2Frustdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolf1052%2Frustdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 423b6610a46fecc1f7ad0e85d4fb91a0dcf94b7f
[INFO] checking golf1052/rustdns against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolf1052%2Frustdns" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golf1052/rustdns on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/golf1052/rustdns
[INFO] finished tweaking git repo https://github.com/golf1052/rustdns
[INFO] tweaked toml for git repo https://github.com/golf1052/rustdns written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/golf1052/rustdns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34e11b4631440b7081e6dc13f131eb650dff3d0278b7ff272cac7b07acfb52d6
[INFO] running `Command { std: "docker" "start" "-a" "34e11b4631440b7081e6dc13f131eb650dff3d0278b7ff272cac7b07acfb52d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e11b4631440b7081e6dc13f131eb650dff3d0278b7ff272cac7b07acfb52d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e11b4631440b7081e6dc13f131eb650dff3d0278b7ff272cac7b07acfb52d6", kill_on_drop: false }`
[INFO] [stdout] 34e11b4631440b7081e6dc13f131eb650dff3d0278b7ff272cac7b07acfb52d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 232c1df92ac1f95afddac0d1d2c4f07e48d647be63c48bb93afe45260e086eb0
[INFO] running `Command { std: "docker" "start" "-a" "232c1df92ac1f95afddac0d1d2c4f07e48d647be63c48bb93afe45260e086eb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `dump_packet`
[INFO] [stdout]    --> src/main.rs:385:4
[INFO] [stdout]     |
[INFO] [stdout] 385 | fn dump_packet(data: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_char`
[INFO] [stdout]    --> src/main.rs:404:4
[INFO] [stdout]     |
[INFO] [stdout] 404 | fn get_char(datum: u8) -> char {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump_packet`
[INFO] [stdout]    --> src/main.rs:385:4
[INFO] [stdout]     |
[INFO] [stdout] 385 | fn dump_packet(data: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_char`
[INFO] [stdout]    --> src/main.rs:404:4
[INFO] [stdout]     |
[INFO] [stdout] 404 | fn get_char(datum: u8) -> char {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "232c1df92ac1f95afddac0d1d2c4f07e48d647be63c48bb93afe45260e086eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232c1df92ac1f95afddac0d1d2c4f07e48d647be63c48bb93afe45260e086eb0", kill_on_drop: false }`
[INFO] [stdout] 232c1df92ac1f95afddac0d1d2c4f07e48d647be63c48bb93afe45260e086eb0