[INFO] cloning repository https://github.com/DiscoreMe/ruxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscoreMe/ruxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoreMe%2Fruxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoreMe%2Fruxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 223bdc24a48326f63ef002752ea701bd09b018b5
[INFO] testing DiscoreMe/ruxy against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoreMe%2Fruxy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiscoreMe/ruxy on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DiscoreMe/ruxy
[INFO] finished tweaking git repo https://github.com/DiscoreMe/ruxy
[INFO] tweaked toml for git repo https://github.com/DiscoreMe/ruxy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DiscoreMe/ruxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a703f7deb7aa58d0f5dd433544e93511dae29d78e81b38e0b26441a2c5969d8c
[INFO] running `Command { std: "docker" "start" "-a" "a703f7deb7aa58d0f5dd433544e93511dae29d78e81b38e0b26441a2c5969d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a703f7deb7aa58d0f5dd433544e93511dae29d78e81b38e0b26441a2c5969d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a703f7deb7aa58d0f5dd433544e93511dae29d78e81b38e0b26441a2c5969d8c", kill_on_drop: false }`
[INFO] [stdout] a703f7deb7aa58d0f5dd433544e93511dae29d78e81b38e0b26441a2c5969d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0cda8a4234baa08b78bddf9da8cf2ec2e01ad6197d2324cd25e96f3a6c3136d
[INFO] running `Command { std: "docker" "start" "-a" "b0cda8a4234baa08b78bddf9da8cf2ec2e01ad6197d2324cd25e96f3a6c3136d", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> client/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let port = &args[1];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.29s
[INFO] running `Command { std: "docker" "inspect" "b0cda8a4234baa08b78bddf9da8cf2ec2e01ad6197d2324cd25e96f3a6c3136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cda8a4234baa08b78bddf9da8cf2ec2e01ad6197d2324cd25e96f3a6c3136d", kill_on_drop: false }`
[INFO] [stdout] b0cda8a4234baa08b78bddf9da8cf2ec2e01ad6197d2324cd25e96f3a6c3136d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c84287374bb068a747c5266e363eb5c72ae319116b612b4ef197858c6b85bb7
[INFO] running `Command { std: "docker" "start" "-a" "0c84287374bb068a747c5266e363eb5c72ae319116b612b4ef197858c6b85bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> client/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let port = &args[1];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "0c84287374bb068a747c5266e363eb5c72ae319116b612b4ef197858c6b85bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c84287374bb068a747c5266e363eb5c72ae319116b612b4ef197858c6b85bb7", kill_on_drop: false }`
[INFO] [stdout] 0c84287374bb068a747c5266e363eb5c72ae319116b612b4ef197858c6b85bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 179b80af441f9daa4c104bfa2a275180ecc6329ca0d17109e33916f94a8d702f
[INFO] running `Command { std: "docker" "start" "-a" "179b80af441f9daa4c104bfa2a275180ecc6329ca0d17109e33916f94a8d702f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `port`
[INFO] [stderr]   --> client/src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let port = &args[1];
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `client` (bin "client" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-c98b66757c4f60a7)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-182b7c8627aee8bf)
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "179b80af441f9daa4c104bfa2a275180ecc6329ca0d17109e33916f94a8d702f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179b80af441f9daa4c104bfa2a275180ecc6329ca0d17109e33916f94a8d702f", kill_on_drop: false }`
[INFO] [stdout] 179b80af441f9daa4c104bfa2a275180ecc6329ca0d17109e33916f94a8d702f