[INFO] updating cached repository izissise/rustchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/izissise/rustchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/izissise/rustchat" "work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/izissise/rustchat" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/izissise/rustchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/izissise/rustchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db94a8af0dd1d9df974a62a7d1ff4142d6e4729e
[INFO] sha for GitHub repo izissise/rustchat: db94a8af0dd1d9df974a62a7d1ff4142d6e4729e
[INFO] validating manifest of izissise/rustchat 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 izissise/rustchat 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 izissise/rustchat
[INFO] finished frobbing izissise/rustchat
[INFO] frobbed toml for izissise/rustchat written to work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat/Cargo.toml
[INFO] started frobbing izissise/rustchat
[INFO] finished frobbing izissise/rustchat
[INFO] frobbed toml for izissise/rustchat written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/izissise/rustchat/Cargo.toml
[INFO] crate izissise/rustchat 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 izissise/rustchat against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2f285d897b75cc102a124077c16e0e3485e2689865b02fb4412fc20acd6c75b6
[INFO] running `"docker" "start" "-a" "2f285d897b75cc102a124077c16e0e3485e2689865b02fb4412fc20acd6c75b6"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling tokio-timer v0.2.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling rustchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `clients`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     clients: Vec<tokio::net::TcpStream>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `"docker" "inspect" "2f285d897b75cc102a124077c16e0e3485e2689865b02fb4412fc20acd6c75b6"`
[INFO] running `"docker" "rm" "-f" "2f285d897b75cc102a124077c16e0e3485e2689865b02fb4412fc20acd6c75b6"`
[INFO] [stdout] 2f285d897b75cc102a124077c16e0e3485e2689865b02fb4412fc20acd6c75b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 081ee9ad1b66a8304295c242d6b5af227b4be6ec959b0b26742f66ea4843f0b3
[INFO] running `"docker" "start" "-a" "081ee9ad1b66a8304295c242d6b5af227b4be6ec959b0b26742f66ea4843f0b3"`
[INFO] [stderr]    Compiling rustchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `clients`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     clients: Vec<tokio::net::TcpStream>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "081ee9ad1b66a8304295c242d6b5af227b4be6ec959b0b26742f66ea4843f0b3"`
[INFO] running `"docker" "rm" "-f" "081ee9ad1b66a8304295c242d6b5af227b4be6ec959b0b26742f66ea4843f0b3"`
[INFO] [stdout] 081ee9ad1b66a8304295c242d6b5af227b4be6ec959b0b26742f66ea4843f0b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/izissise/rustchat:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5a11296953d234090b5c55cac459d2d65faf47512909f84d71ab689b50d98043
[INFO] running `"docker" "start" "-a" "5a11296953d234090b5c55cac459d2d65faf47512909f84d71ab689b50d98043"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustchat-8757d6bae1c71231
[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" "5a11296953d234090b5c55cac459d2d65faf47512909f84d71ab689b50d98043"`
[INFO] running `"docker" "rm" "-f" "5a11296953d234090b5c55cac459d2d65faf47512909f84d71ab689b50d98043"`
[INFO] [stdout] 5a11296953d234090b5c55cac459d2d65faf47512909f84d71ab689b50d98043