[INFO] cloning repository sector-f/xtraceroute
[INFO] running `"git" "clone" "--bare" "git://github.com/sector-f/xtraceroute.git" "work/cache/sources/gh/sector-f/xtraceroute"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sector-f/xtraceroute'...
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/xtraceroute" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sector-f/xtraceroute"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sector-f/xtraceroute'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/xtraceroute" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sector-f/xtraceroute"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sector-f/xtraceroute'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca2a6b3278a3a668a00f9ee314ea6574e125db0f
[INFO] sha for GitHub repo sector-f/xtraceroute: ca2a6b3278a3a668a00f9ee314ea6574e125db0f
[INFO] validating manifest of sector-f/xtraceroute on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sector-f/xtraceroute on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sector-f/xtraceroute
[INFO] finished frobbing sector-f/xtraceroute
[INFO] frobbed toml for sector-f/xtraceroute written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sector-f/xtraceroute/Cargo.toml
[INFO] started frobbing sector-f/xtraceroute
[INFO] finished frobbing sector-f/xtraceroute
[INFO] frobbed toml for sector-f/xtraceroute written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sector-f/xtraceroute/Cargo.toml
[INFO] crate sector-f/xtraceroute already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traceroute v0.1.1
[INFO] [stderr]   Downloaded socket v0.0.7
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking sector-f/xtraceroute against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sector-f/xtraceroute:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c021b295fd0e6f8ec9e8a0b1e0de03e38a3ad9c831d7d78dcffb4170b918a832
[INFO] running `"docker" "start" "-a" "c021b295fd0e6f8ec9e8a0b1e0de03e38a3ad9c831d7d78dcffb4170b918a832"`
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking socket v0.0.7
[INFO] [stderr]     Checking traceroute v0.1.1
[INFO] [stderr]     Checking xtraceroute v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::net::IpAddr`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::net::IpAddr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::IpAddr`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::net::IpAddr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn validate_addr(addr: String) -> Result<(), String> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn validate_addr(addr: String) -> Result<(), String> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `"docker" "inspect" "c021b295fd0e6f8ec9e8a0b1e0de03e38a3ad9c831d7d78dcffb4170b918a832"`
[INFO] running `"docker" "rm" "-f" "c021b295fd0e6f8ec9e8a0b1e0de03e38a3ad9c831d7d78dcffb4170b918a832"`
[INFO] [stdout] c021b295fd0e6f8ec9e8a0b1e0de03e38a3ad9c831d7d78dcffb4170b918a832