[INFO] updating cached repository LaurenceM10/tokio-tcp-stream
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LaurenceM10/tokio-tcp-stream
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LaurenceM10/tokio-tcp-stream" "work/ex/beta-1.37-6/sources/1.36.0/gh/LaurenceM10/tokio-tcp-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/LaurenceM10/tokio-tcp-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LaurenceM10/tokio-tcp-stream" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fbacb83f7b46cfa3cadf18a90ffdbf2a226a717
[INFO] sha for GitHub repo LaurenceM10/tokio-tcp-stream: 6fbacb83f7b46cfa3cadf18a90ffdbf2a226a717
[INFO] validating manifest of LaurenceM10/tokio-tcp-stream on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LaurenceM10/tokio-tcp-stream on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LaurenceM10/tokio-tcp-stream
[INFO] finished frobbing LaurenceM10/tokio-tcp-stream
[INFO] frobbed toml for LaurenceM10/tokio-tcp-stream written to work/ex/beta-1.37-6/sources/1.36.0/gh/LaurenceM10/tokio-tcp-stream/Cargo.toml
[INFO] started frobbing LaurenceM10/tokio-tcp-stream
[INFO] finished frobbing LaurenceM10/tokio-tcp-stream
[INFO] frobbed toml for LaurenceM10/tokio-tcp-stream written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream/Cargo.toml
[INFO] crate LaurenceM10/tokio-tcp-stream already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing LaurenceM10/tokio-tcp-stream against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c8aa01d3c891953b84f5840f221f8d3b457417e7d99b430da1eeebb5614aa008
[INFO] running `"docker" "start" "-a" "c8aa01d3c891953b84f5840f221f8d3b457417e7d99b430da1eeebb5614aa008"`
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let client = TcpStream::connect(&addr);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `"docker" "inspect" "c8aa01d3c891953b84f5840f221f8d3b457417e7d99b430da1eeebb5614aa008"`
[INFO] running `"docker" "rm" "-f" "c8aa01d3c891953b84f5840f221f8d3b457417e7d99b430da1eeebb5614aa008"`
[INFO] [stdout] c8aa01d3c891953b84f5840f221f8d3b457417e7d99b430da1eeebb5614aa008
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 029563de9863e540f39aa4d4ec2039908ed7b12bc188e3b5a358e4d64c3a05f0
[INFO] running `"docker" "start" "-a" "029563de9863e540f39aa4d4ec2039908ed7b12bc188e3b5a358e4d64c3a05f0"`
[INFO] [stderr]    Compiling tokio_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `client`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let client = TcpStream::connect(&addr);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "029563de9863e540f39aa4d4ec2039908ed7b12bc188e3b5a358e4d64c3a05f0"`
[INFO] running `"docker" "rm" "-f" "029563de9863e540f39aa4d4ec2039908ed7b12bc188e3b5a358e4d64c3a05f0"`
[INFO] [stdout] 029563de9863e540f39aa4d4ec2039908ed7b12bc188e3b5a358e4d64c3a05f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LaurenceM10/tokio-tcp-stream:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 45052669ab0bfcda91fe78282e16ad8bcde658e86ef429e48d9ad7d9c18f3403
[INFO] running `"docker" "start" "-a" "45052669ab0bfcda91fe78282e16ad8bcde658e86ef429e48d9ad7d9c18f3403"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_test-ce1ef36c7ac554a1
[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" "45052669ab0bfcda91fe78282e16ad8bcde658e86ef429e48d9ad7d9c18f3403"`
[INFO] running `"docker" "rm" "-f" "45052669ab0bfcda91fe78282e16ad8bcde658e86ef429e48d9ad7d9c18f3403"`
[INFO] [stdout] 45052669ab0bfcda91fe78282e16ad8bcde658e86ef429e48d9ad7d9c18f3403