[INFO] cloning repository https://github.com/iowi479/rsdns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iowi479/rsdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiowi479%2Frsdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiowi479%2Frsdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce8b3a25ffdd40bcb8f1c806d54af0c77b63289
[INFO] checking iowi479/rsdns against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiowi479%2Frsdns" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iowi479/rsdns
[INFO] finished tweaking git repo https://github.com/iowi479/rsdns
[INFO] tweaked toml for git repo https://github.com/iowi479/rsdns written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iowi479/rsdns on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iowi479/rsdns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83aba497540729eb08a6925dedf52d49d7b9b07420b3e3d12f413cc957537156
[INFO] running `Command { std: "docker" "start" "-a" "83aba497540729eb08a6925dedf52d49d7b9b07420b3e3d12f413cc957537156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83aba497540729eb08a6925dedf52d49d7b9b07420b3e3d12f413cc957537156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aba497540729eb08a6925dedf52d49d7b9b07420b3e3d12f413cc957537156", kill_on_drop: false }`
[INFO] [stdout] 83aba497540729eb08a6925dedf52d49d7b9b07420b3e3d12f413cc957537156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7402d6900ed860e12ced75ca94d0d3c8c99c2becef6946c00ed808f9d5b204
[INFO] running `Command { std: "docker" "start" "-a" "3b7402d6900ed860e12ced75ca94d0d3c8c99c2becef6946c00ed808f9d5b204", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking rsdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_qname_from_buffer` is never used
[INFO] [stdout]    --> src/dns/packet_buffer.rs:435:8
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub fn read_qname_from_buffer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_qname_to_buffer` is never used
[INFO] [stdout]    --> src/dns/packet_buffer.rs:633:8
[INFO] [stdout]     |
[INFO] [stdout] 633 | pub fn write_qname_to_buffer(buffer: &mut [u8], start_pos: usize, qname: &str) -> Result<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_qname_from_buffer` is never used
[INFO] [stdout]    --> src/dns/packet_buffer.rs:435:8
[INFO] [stdout]     |
[INFO] [stdout] 435 | pub fn read_qname_from_buffer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_qname_to_buffer` is never used
[INFO] [stdout]    --> src/dns/packet_buffer.rs:633:8
[INFO] [stdout]     |
[INFO] [stdout] 633 | pub fn write_qname_to_buffer(buffer: &mut [u8], start_pos: usize, qname: &str) -> Result<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "3b7402d6900ed860e12ced75ca94d0d3c8c99c2becef6946c00ed808f9d5b204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7402d6900ed860e12ced75ca94d0d3c8c99c2becef6946c00ed808f9d5b204", kill_on_drop: false }`
[INFO] [stdout] 3b7402d6900ed860e12ced75ca94d0d3c8c99c2becef6946c00ed808f9d5b204