[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-1.38-1/sources/1.37.0/gh/LaurenceM10/tokio-tcp-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LaurenceM10/tokio-tcp-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LaurenceM10/tokio-tcp-stream" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LaurenceM10/tokio-tcp-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LaurenceM10/tokio-tcp-stream on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing LaurenceM10/tokio-tcp-stream against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a11ee42da4e55eb12a2860e31ebd54248c9562f0a00fcceb4c41cd753b085869
[INFO] running `"docker" "start" "-a" "a11ee42da4e55eb12a2860e31ebd54248c9562f0a00fcceb4c41cd753b085869"`
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.19
[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 10.88s
[INFO] running `"docker" "inspect" "a11ee42da4e55eb12a2860e31ebd54248c9562f0a00fcceb4c41cd753b085869"`
[INFO] running `"docker" "rm" "-f" "a11ee42da4e55eb12a2860e31ebd54248c9562f0a00fcceb4c41cd753b085869"`
[INFO] [stdout] a11ee42da4e55eb12a2860e31ebd54248c9562f0a00fcceb4c41cd753b085869
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 93d92b728ed2dda377e827a074a231f8b93e9fb0ba42694856901c6d4e0aab5b
[INFO] running `"docker" "start" "-a" "93d92b728ed2dda377e827a074a231f8b93e9fb0ba42694856901c6d4e0aab5b"`
[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 1.46s
[INFO] running `"docker" "inspect" "93d92b728ed2dda377e827a074a231f8b93e9fb0ba42694856901c6d4e0aab5b"`
[INFO] running `"docker" "rm" "-f" "93d92b728ed2dda377e827a074a231f8b93e9fb0ba42694856901c6d4e0aab5b"`
[INFO] [stdout] 93d92b728ed2dda377e827a074a231f8b93e9fb0ba42694856901c6d4e0aab5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 52866f9f5c7f8c748633a7fc76b9a1ce71255e9a6f1c46c52b80aa1ad51ab98f
[INFO] running `"docker" "start" "-a" "52866f9f5c7f8c748633a7fc76b9a1ce71255e9a6f1c46c52b80aa1ad51ab98f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_test-6e9d9598d9e177b1
[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" "52866f9f5c7f8c748633a7fc76b9a1ce71255e9a6f1c46c52b80aa1ad51ab98f"`
[INFO] running `"docker" "rm" "-f" "52866f9f5c7f8c748633a7fc76b9a1ce71255e9a6f1c46c52b80aa1ad51ab98f"`
[INFO] [stdout] 52866f9f5c7f8c748633a7fc76b9a1ce71255e9a6f1c46c52b80aa1ad51ab98f