[INFO] cloning repository https://github.com/rustbomber/substrate_tcp_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustbomber/substrate_tcp_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustbomber%2Fsubstrate_tcp_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustbomber%2Fsubstrate_tcp_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ced1c2321e16c74ecf39a10981f3f52f70de0a1
[INFO] checking rustbomber/substrate_tcp_server against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustbomber%2Fsubstrate_tcp_server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rustbomber/substrate_tcp_server
[INFO] finished tweaking git repo https://github.com/rustbomber/substrate_tcp_server
[INFO] tweaked toml for git repo https://github.com/rustbomber/substrate_tcp_server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustbomber/substrate_tcp_server on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustbomber/substrate_tcp_server 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `substrate_tcp_server` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-0-tc2/source/target/.../substrate_tcp_server
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `substrate-tcp-server`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "substrate_tcp_server"
[INFO] [stderr] 5 + name = "substrate-tcp-server"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `substrate-tcp-server`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "substrate-tcp-server"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `substrate_tcp_server` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb
[INFO] running `Command { std: "docker" "start" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `substrate_tcp_server` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../substrate_tcp_server
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `substrate-tcp-server`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "substrate_tcp_server"
[INFO] [stderr] 5 + name = "substrate-tcp-server"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `substrate-tcp-server`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "substrate-tcp-server"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `substrate_tcp_server` (manifest) generated 1 warning
[INFO] [stderr]     Checking substrate_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(i) => {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             stream.write(msg.as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = stream.write(msg.as_bytes());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(i) => {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             stream.write(msg.as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = stream.write(msg.as_bytes());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb", kill_on_drop: false }`
[INFO] [stdout] eac9b44e867faf64eda152aec1b0804463ea453602b0bd1966b087dfb97d8fdb