[INFO] cloning repository https://github.com/suttung3r/rustechoserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suttung3r/rustechoserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ca492e70e3d465812bf595b8ea3d864398b4c78
[INFO] testing suttung3r/rustechoserver against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suttung3r/rustechoserver on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suttung3r/rustechoserver
[INFO] finished tweaking git repo https://github.com/suttung3r/rustechoserver
[INFO] tweaked toml for git repo https://github.com/suttung3r/rustechoserver written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/suttung3r/rustechoserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03572fd9b085aba541942128b9c2a8e63b8dab7072a435b7d13941fb7a6ac0a6
[INFO] running `Command { std: "docker" "start" "-a" "03572fd9b085aba541942128b9c2a8e63b8dab7072a435b7d13941fb7a6ac0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03572fd9b085aba541942128b9c2a8e63b8dab7072a435b7d13941fb7a6ac0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03572fd9b085aba541942128b9c2a8e63b8dab7072a435b7d13941fb7a6ac0a6", kill_on_drop: false }`
[INFO] [stdout] 03572fd9b085aba541942128b9c2a8e63b8dab7072a435b7d13941fb7a6ac0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1411f1c85f1eb27a58dd0258c9c298a0c59755050069ccf85085ecb5d16d9db5
[INFO] running `Command { std: "docker" "start" "-a" "1411f1c85f1eb27a58dd0258c9c298a0c59755050069ccf85085ecb5d16d9db5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling socket_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |           Ok(res) => {}
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[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 2.46s
[INFO] running `Command { std: "docker" "inspect" "1411f1c85f1eb27a58dd0258c9c298a0c59755050069ccf85085ecb5d16d9db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1411f1c85f1eb27a58dd0258c9c298a0c59755050069ccf85085ecb5d16d9db5", kill_on_drop: false }`
[INFO] [stdout] 1411f1c85f1eb27a58dd0258c9c298a0c59755050069ccf85085ecb5d16d9db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b77e20ebebdb588eb95ec7917c42d5f87617b66fd33989ba29ca0815816432
[INFO] running `Command { std: "docker" "start" "-a" "57b77e20ebebdb588eb95ec7917c42d5f87617b66fd33989ba29ca0815816432", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling socket_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |           Ok(res) => {}
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[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 2.85s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/socket_test-5d0e7d2ab1b3245c)
[INFO] running `Command { std: "docker" "inspect" "57b77e20ebebdb588eb95ec7917c42d5f87617b66fd33989ba29ca0815816432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b77e20ebebdb588eb95ec7917c42d5f87617b66fd33989ba29ca0815816432", kill_on_drop: false }`
[INFO] [stdout] 57b77e20ebebdb588eb95ec7917c42d5f87617b66fd33989ba29ca0815816432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67e4e859031045191930dec4e2eb33f04e71ec210e73a53635a4392bc8867b33
[INFO] running `Command { std: "docker" "start" "-a" "67e4e859031045191930dec4e2eb33f04e71ec210e73a53635a4392bc8867b33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |           Ok(res) => {}
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `socket_test` (bin "socket_test" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.82s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/socket_test-5d0e7d2ab1b3245c)
[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" "67e4e859031045191930dec4e2eb33f04e71ec210e73a53635a4392bc8867b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e4e859031045191930dec4e2eb33f04e71ec210e73a53635a4392bc8867b33", kill_on_drop: false }`
[INFO] [stdout] 67e4e859031045191930dec4e2eb33f04e71ec210e73a53635a4392bc8867b33