[INFO] cloning repository https://github.com/rishit-khandelwal/benin-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rishit-khandelwal/benin-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishit-khandelwal%2Fbenin-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishit-khandelwal%2Fbenin-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37d3336d4dc8894bddd9280427de05aaafd7c8df
[INFO] testing rishit-khandelwal/benin-db against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frishit-khandelwal%2Fbenin-db" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rishit-khandelwal/benin-db on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rishit-khandelwal/benin-db
[INFO] finished tweaking git repo https://github.com/rishit-khandelwal/benin-db
[INFO] tweaked toml for git repo https://github.com/rishit-khandelwal/benin-db written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/rishit-khandelwal/benin-db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 653dd16d544722f9ecdc0a6b0db982dd3836ae2853fbb93aa9f160ee55b291b9
[INFO] running `Command { std: "docker" "start" "-a" "653dd16d544722f9ecdc0a6b0db982dd3836ae2853fbb93aa9f160ee55b291b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "653dd16d544722f9ecdc0a6b0db982dd3836ae2853fbb93aa9f160ee55b291b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653dd16d544722f9ecdc0a6b0db982dd3836ae2853fbb93aa9f160ee55b291b9", kill_on_drop: false }`
[INFO] [stdout] 653dd16d544722f9ecdc0a6b0db982dd3836ae2853fbb93aa9f160ee55b291b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eb34faefeed2160c66a0ed98f0631ccc47ec72019558d5f8b72deed0d8f98e2
[INFO] running `Command { std: "docker" "start" "-a" "9eb34faefeed2160c66a0ed98f0631ccc47ec72019558d5f8b72deed0d8f98e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 import: `thread`
[INFO] [stdout]  --> client/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> server/src/connection.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 | / ...                   TcpStream::connect(req.peer_addr().unwrap())
[INFO] [stdout] 60 | | ...                       .unwrap()
[INFO] [stdout] 61 | | ...                       .write(b"OK");
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.87s
[INFO] running `Command { std: "docker" "inspect" "9eb34faefeed2160c66a0ed98f0631ccc47ec72019558d5f8b72deed0d8f98e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb34faefeed2160c66a0ed98f0631ccc47ec72019558d5f8b72deed0d8f98e2", kill_on_drop: false }`
[INFO] [stdout] 9eb34faefeed2160c66a0ed98f0631ccc47ec72019558d5f8b72deed0d8f98e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c57f6a7748ca14b3da9d087d8c0381c0ebb27bed3e44867aa1e72b896df03f
[INFO] running `Command { std: "docker" "start" "-a" "b7c57f6a7748ca14b3da9d087d8c0381c0ebb27bed3e44867aa1e72b896df03f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 import: `thread`
[INFO] [stdout]  --> client/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> server/src/connection.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 | / ...                   TcpStream::connect(req.peer_addr().unwrap())
[INFO] [stdout] 60 | | ...                       .unwrap()
[INFO] [stdout] 61 | | ...                       .write(b"OK");
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b7c57f6a7748ca14b3da9d087d8c0381c0ebb27bed3e44867aa1e72b896df03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c57f6a7748ca14b3da9d087d8c0381c0ebb27bed3e44867aa1e72b896df03f", kill_on_drop: false }`
[INFO] [stdout] b7c57f6a7748ca14b3da9d087d8c0381c0ebb27bed3e44867aa1e72b896df03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed8d7c9edb5d2427ab63219b2a379691de73c82aa382558903536d7eccb7b4ec
[INFO] running `Command { std: "docker" "start" "-a" "ed8d7c9edb5d2427ab63219b2a379691de73c82aa382558903536d7eccb7b4ec", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> client/src/main.rs:4:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     thread,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `client` (bin "client" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> server/src/connection.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 | / ...                   TcpStream::connect(req.peer_addr().unwrap())
[INFO] [stderr] 60 | | ...                       .unwrap()
[INFO] [stderr] 61 | | ...                       .write(b"OK");
[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] warning: `server` (bin "server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-4649f189abc2211a)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-99d3ae0fc33efd5d)
[INFO] running `Command { std: "docker" "inspect" "ed8d7c9edb5d2427ab63219b2a379691de73c82aa382558903536d7eccb7b4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8d7c9edb5d2427ab63219b2a379691de73c82aa382558903536d7eccb7b4ec", kill_on_drop: false }`
[INFO] [stdout] ed8d7c9edb5d2427ab63219b2a379691de73c82aa382558903536d7eccb7b4ec