[INFO] updating cached repository https://github.com/suttung3r/rustechoserver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ca492e70e3d465812bf595b8ea3d864398b4c78
[INFO] testing suttung3r/rustechoserver against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suttung3r/rustechoserver on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/suttung3r/rustechoserver
[INFO] finished tweaking git repo https://github.com/suttung3r/rustechoserver
[INFO] tweaked toml for git repo https://github.com/suttung3r/rustechoserver written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/suttung3r/rustechoserver already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 19a655bb477a1327c44b1d7f8f5b393e5c98dba780786c5c3b9d03051f59fb6f
[INFO] running `"docker" "start" "-a" "19a655bb477a1327c44b1d7f8f5b393e5c98dba780786c5c3b9d03051f59fb6f"`
[INFO] [stderr]    Compiling socket_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |           Ok(res) => {}
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "19a655bb477a1327c44b1d7f8f5b393e5c98dba780786c5c3b9d03051f59fb6f"`
[INFO] running `"docker" "rm" "-f" "19a655bb477a1327c44b1d7f8f5b393e5c98dba780786c5c3b9d03051f59fb6f"`
[INFO] [stdout] 19a655bb477a1327c44b1d7f8f5b393e5c98dba780786c5c3b9d03051f59fb6f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1cbfc83605570c7b76c1ef01054099faf748ff5987ec8823e2b74b78ce839764
[INFO] running `"docker" "start" "-a" "1cbfc83605570c7b76c1ef01054099faf748ff5987ec8823e2b74b78ce839764"`
[INFO] [stderr]    Compiling socket_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |           Ok(res) => {}
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "1cbfc83605570c7b76c1ef01054099faf748ff5987ec8823e2b74b78ce839764"`
[INFO] running `"docker" "rm" "-f" "1cbfc83605570c7b76c1ef01054099faf748ff5987ec8823e2b74b78ce839764"`
[INFO] [stdout] 1cbfc83605570c7b76c1ef01054099faf748ff5987ec8823e2b74b78ce839764
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 81c67c7692cf5c31e650a1394873aa17d464ec36a2c31cf772ef85c1a77c7e5b
[INFO] running `"docker" "start" "-a" "81c67c7692cf5c31e650a1394873aa17d464ec36a2c31cf772ef85c1a77c7e5b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/socket_test-54b2ec087950f09c
[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" "81c67c7692cf5c31e650a1394873aa17d464ec36a2c31cf772ef85c1a77c7e5b"`
[INFO] running `"docker" "rm" "-f" "81c67c7692cf5c31e650a1394873aa17d464ec36a2c31cf772ef85c1a77c7e5b"`
[INFO] [stdout] 81c67c7692cf5c31e650a1394873aa17d464ec36a2c31cf772ef85c1a77c7e5b