[INFO] updating cached repository jcswart/rp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jcswart/rp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jcswart/rp" "work/ex/beta-1.37-6/sources/1.36.0/gh/jcswart/rp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jcswart/rp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jcswart/rp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jcswart/rp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jcswart/rp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4c7505b5f7aee738d1f82aea5eb6ba7882e884b
[INFO] sha for GitHub repo jcswart/rp: e4c7505b5f7aee738d1f82aea5eb6ba7882e884b
[INFO] validating manifest of jcswart/rp 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 jcswart/rp 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 jcswart/rp
[INFO] finished frobbing jcswart/rp
[INFO] frobbed toml for jcswart/rp written to work/ex/beta-1.37-6/sources/1.36.0/gh/jcswart/rp/Cargo.toml
[INFO] started frobbing jcswart/rp
[INFO] finished frobbing jcswart/rp
[INFO] frobbed toml for jcswart/rp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jcswart/rp/Cargo.toml
[INFO] crate jcswart/rp 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 jcswart/rp 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-4/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/jcswart/rp:/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] 6a5fb62f751dcc363f97244b79e261807949d653b530f09b360157eb01cdde66
[INFO] running `"docker" "start" "-a" "6a5fb62f751dcc363f97244b79e261807949d653b530f09b360157eb01cdde66"`
[INFO] [stderr]    Compiling redis-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |                             stream2.write(&buf);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "6a5fb62f751dcc363f97244b79e261807949d653b530f09b360157eb01cdde66"`
[INFO] running `"docker" "rm" "-f" "6a5fb62f751dcc363f97244b79e261807949d653b530f09b360157eb01cdde66"`
[INFO] [stdout] 6a5fb62f751dcc363f97244b79e261807949d653b530f09b360157eb01cdde66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/jcswart/rp:/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] f3147218e919b5047b9eee7844cf446edf2467c823d72fe3e220d494d5602541
[INFO] running `"docker" "start" "-a" "f3147218e919b5047b9eee7844cf446edf2467c823d72fe3e220d494d5602541"`
[INFO] [stderr]    Compiling redis-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |                             stream2.write(&buf);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "f3147218e919b5047b9eee7844cf446edf2467c823d72fe3e220d494d5602541"`
[INFO] running `"docker" "rm" "-f" "f3147218e919b5047b9eee7844cf446edf2467c823d72fe3e220d494d5602541"`
[INFO] [stdout] f3147218e919b5047b9eee7844cf446edf2467c823d72fe3e220d494d5602541
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/jcswart/rp:/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] 8915ab257ea5965b7429cf20a46d016ba2c5aad1fd9f2f997fbc8667266b0bf2
[INFO] running `"docker" "start" "-a" "8915ab257ea5965b7429cf20a46d016ba2c5aad1fd9f2f997fbc8667266b0bf2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/redis_proxy-1f9d0e2835aee6db
[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" "8915ab257ea5965b7429cf20a46d016ba2c5aad1fd9f2f997fbc8667266b0bf2"`
[INFO] running `"docker" "rm" "-f" "8915ab257ea5965b7429cf20a46d016ba2c5aad1fd9f2f997fbc8667266b0bf2"`
[INFO] [stdout] 8915ab257ea5965b7429cf20a46d016ba2c5aad1fd9f2f997fbc8667266b0bf2