[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#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimogawa%2FrDNS" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shimogawa/rDNS on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "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-0-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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Shimogawa/rDNS against try#925e66ec5d7d73da31ddd13e53f21e4674feb4ba for pr-119825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShimogawa%2FrDNS" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shimogawa/rDNS on toolchain 925e66ec5d7d73da31ddd13e53f21e4674feb4ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "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-0-tc2/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" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b2f2d88767b05db27b58a6762e92d33c04ea8c17fb686a65d5c093f8a3d7f74
[INFO] running `Command { std: "docker" "start" "-a" "2b2f2d88767b05db27b58a6762e92d33c04ea8c17fb686a65d5c093f8a3d7f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b2f2d88767b05db27b58a6762e92d33c04ea8c17fb686a65d5c093f8a3d7f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2f2d88767b05db27b58a6762e92d33c04ea8c17fb686a65d5c093f8a3d7f74", kill_on_drop: false }`
[INFO] [stdout] 2b2f2d88767b05db27b58a6762e92d33c04ea8c17fb686a65d5c093f8a3d7f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25dbf26e53cb3781a476fe17a6220ef3befc400088e2fd341f4fb219685b73e9
[INFO] running `Command { std: "docker" "start" "-a" "25dbf26e53cb3781a476fe17a6220ef3befc400088e2fd341f4fb219685b73e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[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: associated function `from_num` is never used
[INFO] [stdout]   --> src/rdns/records.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DNSRcode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn from_num(n: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]    --> src/rdns/records.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl DNSClass {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn from_num(n: u16) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `domain_name` is never used
[INFO] [stdout]    --> src/rdns/records.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 365 | impl DNSQuestion {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn domain_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]   --> src/rdns/records.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DNSRcode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 34 |     pub fn from_num(n: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_num` is never used
[INFO] [stdout]    --> src/rdns/records.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl DNSClass {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn from_num(n: u16) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `domain_name` is never used
[INFO] [stdout]    --> src/rdns/records.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 365 | impl DNSQuestion {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn domain_name(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "25dbf26e53cb3781a476fe17a6220ef3befc400088e2fd341f4fb219685b73e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dbf26e53cb3781a476fe17a6220ef3befc400088e2fd341f4fb219685b73e9", kill_on_drop: false }`
[INFO] [stdout] 25dbf26e53cb3781a476fe17a6220ef3befc400088e2fd341f4fb219685b73e9