[INFO] cloning repository https://github.com/dylhack/tcpchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylhack/tcpchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylhack%2Ftcpchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylhack%2Ftcpchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40b79f92bcb46236be8fd801eea6c98bcf88c73a
[INFO] testing dylhack/tcpchat against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylhack%2Ftcpchat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dylhack/tcpchat on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dylhack/tcpchat
[INFO] finished tweaking git repo https://github.com/dylhack/tcpchat
[INFO] tweaked toml for git repo https://github.com/dylhack/tcpchat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dylhack/tcpchat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 547d4dfafa0d04bcdeeb896daa7a1e1b00b0a4292dc9158e0148f1098af882a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "547d4dfafa0d04bcdeeb896daa7a1e1b00b0a4292dc9158e0148f1098af882a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547d4dfafa0d04bcdeeb896daa7a1e1b00b0a4292dc9158e0148f1098af882a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547d4dfafa0d04bcdeeb896daa7a1e1b00b0a4292dc9158e0148f1098af882a4", kill_on_drop: false }`
[INFO] [stdout] 547d4dfafa0d04bcdeeb896daa7a1e1b00b0a4292dc9158e0148f1098af882a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1bef0ddaf7d431a28fa920921b0bcec23672b1540eb61fd57fcc11a4ae1b41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec1bef0ddaf7d431a28fa920921b0bcec23672b1540eb61fd57fcc11a4ae1b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling mio v0.7.5
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling tcpchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `send_err`
[INFO] [stdout]   --> src/client/mod.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub async fn send_err(&self, socket: TcpStream, packet: Packet) {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.87s
[INFO] running `Command { std: "docker" "inspect" "ec1bef0ddaf7d431a28fa920921b0bcec23672b1540eb61fd57fcc11a4ae1b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1bef0ddaf7d431a28fa920921b0bcec23672b1540eb61fd57fcc11a4ae1b41", kill_on_drop: false }`
[INFO] [stdout] ec1bef0ddaf7d431a28fa920921b0bcec23672b1540eb61fd57fcc11a4ae1b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8153fee5420114dd9d6d90a6c5d066db100294c6f974c74e4a03b4f830f76eb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8153fee5420114dd9d6d90a6c5d066db100294c6f974c74e4a03b4f830f76eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `send_err`
[INFO] [stdout]   --> src/client/mod.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub async fn send_err(&self, socket: TcpStream, packet: Packet) {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8153fee5420114dd9d6d90a6c5d066db100294c6f974c74e4a03b4f830f76eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8153fee5420114dd9d6d90a6c5d066db100294c6f974c74e4a03b4f830f76eb5", kill_on_drop: false }`
[INFO] [stdout] 8153fee5420114dd9d6d90a6c5d066db100294c6f974c74e4a03b4f830f76eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] caddeb1e9101c5ccd8d54e8a20577475f61fa3f17749cf26ac7be0bbc87f2a1b
[INFO] running `Command { std: "docker" "start" "-a" "caddeb1e9101c5ccd8d54e8a20577475f61fa3f17749cf26ac7be0bbc87f2a1b", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `send_err`
[INFO] [stderr]   --> src/client/mod.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub async fn send_err(&self, socket: TcpStream, packet: Packet) {
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tcpchat-7db31724d83f10fe
[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 `Command { std: "docker" "inspect" "caddeb1e9101c5ccd8d54e8a20577475f61fa3f17749cf26ac7be0bbc87f2a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caddeb1e9101c5ccd8d54e8a20577475f61fa3f17749cf26ac7be0bbc87f2a1b", kill_on_drop: false }`
[INFO] [stdout] caddeb1e9101c5ccd8d54e8a20577475f61fa3f17749cf26ac7be0bbc87f2a1b