[INFO] updating cached repository varlogtim/tscan
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/varlogtim/tscan
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/varlogtim/tscan" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/varlogtim/tscan"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/varlogtim/tscan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/varlogtim/tscan" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fffc54a38ecc0572f1f10fb654f497b21913b502
[INFO] sha for GitHub repo varlogtim/tscan: fffc54a38ecc0572f1f10fb654f497b21913b502
[INFO] validating manifest of varlogtim/tscan 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 varlogtim/tscan 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 varlogtim/tscan
[INFO] finished frobbing varlogtim/tscan
[INFO] frobbed toml for varlogtim/tscan written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/varlogtim/tscan/Cargo.toml
[INFO] started frobbing varlogtim/tscan
[INFO] finished frobbing varlogtim/tscan
[INFO] frobbed toml for varlogtim/tscan written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan/Cargo.toml
[INFO] crate varlogtim/tscan 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 varlogtim/tscan against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan:/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] 280b56aa35be76ac17a21d2fcac852dbdfe2148bd83600625c10644a01c9797e
[INFO] running `"docker" "start" "-a" "280b56aa35be76ac17a21d2fcac852dbdfe2148bd83600625c10644a01c9797e"`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling pnet_sys v0.21.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling pnet_datalink v0.21.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling parking_lot v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.3
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]    Compiling pnet_transport v0.21.0
[INFO] [stderr]    Compiling tscan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/main.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let handle = thread::spawn(move || connect(8000 + i));
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Ok(stream) = TcpStream::connect(addr) {
[INFO] [stderr]    |               ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wait`
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn wait() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "280b56aa35be76ac17a21d2fcac852dbdfe2148bd83600625c10644a01c9797e"`
[INFO] running `"docker" "rm" "-f" "280b56aa35be76ac17a21d2fcac852dbdfe2148bd83600625c10644a01c9797e"`
[INFO] [stdout] 280b56aa35be76ac17a21d2fcac852dbdfe2148bd83600625c10644a01c9797e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan:/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] 7618946dc24dd94157e10f36f99212bf556c66f3d3111e7d3c6ac8502a659ef5
[INFO] running `"docker" "start" "-a" "7618946dc24dd94157e10f36f99212bf556c66f3d3111e7d3c6ac8502a659ef5"`
[INFO] [stderr]    Compiling tscan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `handle`
[INFO] [stderr]   --> src/main.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let handle = thread::spawn(move || connect(8000 + i));
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Ok(stream) = TcpStream::connect(addr) {
[INFO] [stderr]    |               ^^^^^^ help: consider prefixing with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wait`
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn wait() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "7618946dc24dd94157e10f36f99212bf556c66f3d3111e7d3c6ac8502a659ef5"`
[INFO] running `"docker" "rm" "-f" "7618946dc24dd94157e10f36f99212bf556c66f3d3111e7d3c6ac8502a659ef5"`
[INFO] [stdout] 7618946dc24dd94157e10f36f99212bf556c66f3d3111e7d3c6ac8502a659ef5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/varlogtim/tscan:/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] d5a2f40a28e3effa5873477e352a07f254415c8fd189b65e4111cb6caaa6f50b
[INFO] running `"docker" "start" "-a" "d5a2f40a28e3effa5873477e352a07f254415c8fd189b65e4111cb6caaa6f50b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tscan-9fd4e92e1efbb018
[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" "d5a2f40a28e3effa5873477e352a07f254415c8fd189b65e4111cb6caaa6f50b"`
[INFO] running `"docker" "rm" "-f" "d5a2f40a28e3effa5873477e352a07f254415c8fd189b65e4111cb6caaa6f50b"`
[INFO] [stdout] d5a2f40a28e3effa5873477e352a07f254415c8fd189b65e4111cb6caaa6f50b