[INFO] cloning repository https://github.com/Shimogawa/rDNS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shimogawa/rDNS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimogawa%2FrDNS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimogawa%2FrDNS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 002e6d6e6bf0a83f2a1e93f442375e978823ea4c
[INFO] checking Shimogawa/rDNS against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimogawa%2FrDNS" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shimogawa/rDNS on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shimogawa/rDNS
[INFO] finished tweaking git repo https://github.com/Shimogawa/rDNS
[INFO] tweaked toml for git repo https://github.com/Shimogawa/rDNS written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Shimogawa/rDNS 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f3495e9cbff85e77e2e5d9aa267661145d0b4703d3950a0e7a6c9106a0479eb
[INFO] running `Command { std: "docker" "start" "-a" "7f3495e9cbff85e77e2e5d9aa267661145d0b4703d3950a0e7a6c9106a0479eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3495e9cbff85e77e2e5d9aa267661145d0b4703d3950a0e7a6c9106a0479eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3495e9cbff85e77e2e5d9aa267661145d0b4703d3950a0e7a6c9106a0479eb", kill_on_drop: false }`
[INFO] [stdout] 7f3495e9cbff85e77e2e5d9aa267661145d0b4703d3950a0e7a6c9106a0479eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8c3665687acb87aafe41334b0717be5af4a70c520e7664f4289e1aa9d9da8d
[INFO] running `Command { std: "docker" "start" "-a" "de8c3665687acb87aafe41334b0717be5af4a70c520e7664f4289e1aa9d9da8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking rdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DNSClass`
[INFO] [stdout]  --> src/rdns/dns.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     DNSClass, DNSHeader, DNSPacket, DNSQuestion, DNSRcode, DNSRdata, DNSResourceRecord, DNSType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DNSClass`
[INFO] [stdout]  --> src/rdns/dns.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     DNSClass, DNSHeader, DNSPacket, DNSQuestion, DNSRcode, DNSRdata, DNSResourceRecord, DNSType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tc` is never read
[INFO] [stdout]   --> src/rdns/records.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DNSHeader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub tc: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DNSHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rdlength` is never read
[INFO] [stdout]   --> src/rdns/records.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct DNSResourceRecord {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub rdlength: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DNSResourceRecord` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WriteExt` is never used
[INFO] [stdout]   --> src/rdns/util.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub trait WriteExt: Write {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tc` is never read
[INFO] [stdout]   --> src/rdns/records.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DNSHeader {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub tc: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DNSHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rdlength` is never read
[INFO] [stdout]   --> src/rdns/records.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct DNSResourceRecord {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub rdlength: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DNSResourceRecord` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WriteExt` is never used
[INFO] [stdout]   --> src/rdns/util.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub trait WriteExt: Write {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "de8c3665687acb87aafe41334b0717be5af4a70c520e7664f4289e1aa9d9da8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8c3665687acb87aafe41334b0717be5af4a70c520e7664f4289e1aa9d9da8d", kill_on_drop: false }`
[INFO] [stdout] de8c3665687acb87aafe41334b0717be5af4a70c520e7664f4289e1aa9d9da8d