[INFO] cloning repository https://github.com/chenyuanrun/nbdsrv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenyuanrun/nbdsrv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyuanrun%2Fnbdsrv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyuanrun%2Fnbdsrv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61bbb5557335ad06a2923b7738e715f00cb043b2
[INFO] checking chenyuanrun/nbdsrv/61bbb5557335ad06a2923b7738e715f00cb043b2 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyuanrun%2Fnbdsrv" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenyuanrun/nbdsrv on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenyuanrun/nbdsrv
[INFO] finished tweaking git repo https://github.com/chenyuanrun/nbdsrv
[INFO] tweaked toml for git repo https://github.com/chenyuanrun/nbdsrv written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chenyuanrun/nbdsrv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a45f4b3c72c1b365b4346ce81363bc413a147b682b12a05da68b2a972341a1b
[INFO] running `Command { std: "docker" "start" "-a" "9a45f4b3c72c1b365b4346ce81363bc413a147b682b12a05da68b2a972341a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a45f4b3c72c1b365b4346ce81363bc413a147b682b12a05da68b2a972341a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a45f4b3c72c1b365b4346ce81363bc413a147b682b12a05da68b2a972341a1b", kill_on_drop: false }`
[INFO] [stdout] 9a45f4b3c72c1b365b4346ce81363bc413a147b682b12a05da68b2a972341a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b0bc9dc804b2d55c5e5f3db12a2e0fefe17acc5f27dc05b77049477438cd42
[INFO] running `Command { std: "docker" "start" "-a" "03b0bc9dc804b2d55c5e5f3db12a2e0fefe17acc5f27dc05b77049477438cd42", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling ctor v0.2.7
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking nbdsrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/server.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |     async fn handle_request(&mut self, req: Request, sock: &mut TcpStream) -> IoResult<bool> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]    --> src/server.rs:264:54
[INFO] [stdout]     |
[INFO] [stdout] 264 |     async fn handle_request(&mut self, req: Request, sock: &mut TcpStream) -> IoResult<bool> {
[INFO] [stdout]     |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]    --> src/server.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |     async fn handle_request(&mut self, req: Request, sock: &mut TcpStream) -> IoResult<bool> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]    --> src/server.rs:264:54
[INFO] [stdout]     |
[INFO] [stdout] 264 |     async fn handle_request(&mut self, req: Request, sock: &mut TcpStream) -> IoResult<bool> {
[INFO] [stdout]     |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/server.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         opt: NbdOpt,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/server.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         data: Vec<u8>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]    --> src/server.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         sock: &mut TcpStream,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/server.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         opt: NbdOpt,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/server.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         data: Vec<u8>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]    --> src/server.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         sock: &mut TcpStream,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "03b0bc9dc804b2d55c5e5f3db12a2e0fefe17acc5f27dc05b77049477438cd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0bc9dc804b2d55c5e5f3db12a2e0fefe17acc5f27dc05b77049477438cd42", kill_on_drop: false }`
[INFO] [stdout] 03b0bc9dc804b2d55c5e5f3db12a2e0fefe17acc5f27dc05b77049477438cd42