[INFO] cloning repository https://github.com/Trojanking123/rsping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trojanking123/rsping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Frsping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Frsping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 781a1af78fc2f4a056612b1169eee03adb2b6ff1
[INFO] checking Trojanking123/rsping against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Frsping" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trojanking123/rsping on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Trojanking123/rsping
[INFO] finished tweaking git repo https://github.com/Trojanking123/rsping
[INFO] tweaked toml for git repo https://github.com/Trojanking123/rsping written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Trojanking123/rsping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbc94c79db969e3eb8b596dc98bef5cf73202c543fff3d3385541ee992962661
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbc94c79db969e3eb8b596dc98bef5cf73202c543fff3d3385541ee992962661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbc94c79db969e3eb8b596dc98bef5cf73202c543fff3d3385541ee992962661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc94c79db969e3eb8b596dc98bef5cf73202c543fff3d3385541ee992962661", kill_on_drop: false }`
[INFO] [stdout] fbc94c79db969e3eb8b596dc98bef5cf73202c543fff3d3385541ee992962661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 095d9488b15cd371c12685262627d2d451a02f38ed1b97eb2097df27fdf5dcf0
[INFO] running `Command { std: "docker" "start" "-a" "095d9488b15cd371c12685262627d2d451a02f38ed1b97eb2097df27fdf5dcf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rsping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `vali_ipv4`
[INFO] [stdout]   --> src/valifunc.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn vali_ipv4(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_ipv6`
[INFO] [stdout]   --> src/valifunc.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn vali_ipv6(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_proxy`
[INFO] [stdout]   --> src/valifunc.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn vali_proxy(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_wt`
[INFO] [stdout]   --> src/valifunc.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn vali_wt(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_ipv4`
[INFO] [stdout]   --> src/valifunc.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn vali_ipv4(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_ipv6`
[INFO] [stdout]   --> src/valifunc.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn vali_ipv6(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_proxy`
[INFO] [stdout]   --> src/valifunc.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn vali_proxy(v: String) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vali_wt`
[INFO] [stdout]   --> src/valifunc.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn vali_wt(v: String) -> Result<(), 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 9.47s
[INFO] running `Command { std: "docker" "inspect" "095d9488b15cd371c12685262627d2d451a02f38ed1b97eb2097df27fdf5dcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095d9488b15cd371c12685262627d2d451a02f38ed1b97eb2097df27fdf5dcf0", kill_on_drop: false }`
[INFO] [stdout] 095d9488b15cd371c12685262627d2d451a02f38ed1b97eb2097df27fdf5dcf0