[INFO] updating cached repository sector-f/xtraceroute
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sector-f/xtraceroute
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/xtraceroute" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sector-f/xtraceroute"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sector-f/xtraceroute'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sector-f/xtraceroute" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/sector-f/xtraceroute"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/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#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sector-f/xtraceroute on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-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-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/sector-f/xtraceroute/Cargo.toml
[INFO] crate sector-f/xtraceroute has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sector-f/xtraceroute against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/sector-f/xtraceroute:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a44a4055cf052a503affefb9f3fce7587cb79fc50945b06bd658f7741bc3645e
[INFO] running `"docker" "start" "-a" "a44a4055cf052a503affefb9f3fce7587cb79fc50945b06bd658f7741bc3645e"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[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 22.30s
[INFO] running `"docker" "inspect" "a44a4055cf052a503affefb9f3fce7587cb79fc50945b06bd658f7741bc3645e"`
[INFO] running `"docker" "rm" "-f" "a44a4055cf052a503affefb9f3fce7587cb79fc50945b06bd658f7741bc3645e"`
[INFO] [stdout] a44a4055cf052a503affefb9f3fce7587cb79fc50945b06bd658f7741bc3645e