[INFO] updating cached repository Dhole/rust-netcat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dhole/rust-netcat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dhole/rust-netcat" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Dhole/rust-netcat"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Dhole/rust-netcat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dhole/rust-netcat" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b51d0d132b4d383d4068f74ba4d63dc52d73579e
[INFO] sha for GitHub repo Dhole/rust-netcat: b51d0d132b4d383d4068f74ba4d63dc52d73579e
[INFO] validating manifest of Dhole/rust-netcat on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Dhole/rust-netcat on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Dhole/rust-netcat
[INFO] finished frobbing Dhole/rust-netcat
[INFO] frobbed toml for Dhole/rust-netcat written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Dhole/rust-netcat/Cargo.toml
[INFO] started frobbing Dhole/rust-netcat
[INFO] finished frobbing Dhole/rust-netcat
[INFO] frobbed toml for Dhole/rust-netcat written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat/Cargo.toml
[INFO] crate Dhole/rust-netcat has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Dhole/rust-netcat against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 54c46319569435613e97c069aef8d1b682b452c9481652bef64fed3fa772c4e5
[INFO] running `"docker" "start" "-a" "54c46319569435613e97c069aef8d1b682b452c9481652bef64fed3fa772c4e5"`
[INFO] [stderr]    Compiling netcat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `family`
[INFO] [stderr]    --> src/main.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     family: &Option<Family>,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_family`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "54c46319569435613e97c069aef8d1b682b452c9481652bef64fed3fa772c4e5"`
[INFO] running `"docker" "rm" "-f" "54c46319569435613e97c069aef8d1b682b452c9481652bef64fed3fa772c4e5"`
[INFO] [stdout] 54c46319569435613e97c069aef8d1b682b452c9481652bef64fed3fa772c4e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b7b9b9c24f69cc2430dfa4d68b90dbcdd500dc80c5d07c18b8d112e78592dd4
[INFO] running `"docker" "start" "-a" "9b7b9b9c24f69cc2430dfa4d68b90dbcdd500dc80c5d07c18b8d112e78592dd4"`
[INFO] [stderr]    Compiling netcat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `family`
[INFO] [stderr]    --> src/main.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     family: &Option<Family>,
[INFO] [stderr]     |     ^^^^^^ help: consider prefixing with an underscore: `_family`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "9b7b9b9c24f69cc2430dfa4d68b90dbcdd500dc80c5d07c18b8d112e78592dd4"`
[INFO] running `"docker" "rm" "-f" "9b7b9b9c24f69cc2430dfa4d68b90dbcdd500dc80c5d07c18b8d112e78592dd4"`
[INFO] [stdout] 9b7b9b9c24f69cc2430dfa4d68b90dbcdd500dc80c5d07c18b8d112e78592dd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Dhole/rust-netcat:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 8a9c40abfecf4a2b1d3f77a6fb14204db8d2d96b059071eaa176a82cfc2d8514
[INFO] running `"docker" "start" "-a" "8a9c40abfecf4a2b1d3f77a6fb14204db8d2d96b059071eaa176a82cfc2d8514"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/netcat-339390779370fc12
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8a9c40abfecf4a2b1d3f77a6fb14204db8d2d96b059071eaa176a82cfc2d8514"`
[INFO] running `"docker" "rm" "-f" "8a9c40abfecf4a2b1d3f77a6fb14204db8d2d96b059071eaa176a82cfc2d8514"`
[INFO] [stdout] 8a9c40abfecf4a2b1d3f77a6fb14204db8d2d96b059071eaa176a82cfc2d8514