[INFO] updating cached repository KeisukeToyota/socket-programming
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KeisukeToyota/socket-programming
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KeisukeToyota/socket-programming" "work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeisukeToyota/socket-programming" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeisukeToyota/socket-programming"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeisukeToyota/socket-programming'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da2f5d734b8a9a4ddb2c8fb9308063cea07d11a4
[INFO] sha for GitHub repo KeisukeToyota/socket-programming: da2f5d734b8a9a4ddb2c8fb9308063cea07d11a4
[INFO] validating manifest of KeisukeToyota/socket-programming 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 KeisukeToyota/socket-programming 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 KeisukeToyota/socket-programming
[INFO] finished frobbing KeisukeToyota/socket-programming
[INFO] frobbed toml for KeisukeToyota/socket-programming written to work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming/Cargo.toml
[INFO] started frobbing KeisukeToyota/socket-programming
[INFO] finished frobbing KeisukeToyota/socket-programming
[INFO] frobbed toml for KeisukeToyota/socket-programming written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeisukeToyota/socket-programming/Cargo.toml
[INFO] crate KeisukeToyota/socket-programming 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 KeisukeToyota/socket-programming 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming:/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] 9db0a93c6a37800fc9600ca53d9e1fa86db658ccf4b849184d48cb304a213cf7
[INFO] running `"docker" "start" "-a" "9db0a93c6a37800fc9600ca53d9e1fa86db658ccf4b849184d48cb304a213cf7"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling socket-programming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.80s
[INFO] running `"docker" "inspect" "9db0a93c6a37800fc9600ca53d9e1fa86db658ccf4b849184d48cb304a213cf7"`
[INFO] running `"docker" "rm" "-f" "9db0a93c6a37800fc9600ca53d9e1fa86db658ccf4b849184d48cb304a213cf7"`
[INFO] [stdout] 9db0a93c6a37800fc9600ca53d9e1fa86db658ccf4b849184d48cb304a213cf7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming:/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] d56159ee20b08ba78fe1dee87e6c37d7499a2c76ccc8172ac834888e8072229f
[INFO] running `"docker" "start" "-a" "d56159ee20b08ba78fe1dee87e6c37d7499a2c76ccc8172ac834888e8072229f"`
[INFO] [stderr]    Compiling socket-programming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "d56159ee20b08ba78fe1dee87e6c37d7499a2c76ccc8172ac834888e8072229f"`
[INFO] running `"docker" "rm" "-f" "d56159ee20b08ba78fe1dee87e6c37d7499a2c76ccc8172ac834888e8072229f"`
[INFO] [stdout] d56159ee20b08ba78fe1dee87e6c37d7499a2c76ccc8172ac834888e8072229f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeisukeToyota/socket-programming:/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] 8df6f654f06b66ee0afb36be896413186f4bbf6f2a6885fbb476fe8e82753bcb
[INFO] running `"docker" "start" "-a" "8df6f654f06b66ee0afb36be896413186f4bbf6f2a6885fbb476fe8e82753bcb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/socket_programming-e9c60ea8a17dbdb2
[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" "8df6f654f06b66ee0afb36be896413186f4bbf6f2a6885fbb476fe8e82753bcb"`
[INFO] running `"docker" "rm" "-f" "8df6f654f06b66ee0afb36be896413186f4bbf6f2a6885fbb476fe8e82753bcb"`
[INFO] [stdout] 8df6f654f06b66ee0afb36be896413186f4bbf6f2a6885fbb476fe8e82753bcb