[INFO] cloning repository https://github.com/jimih2o/kiss-agent-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimih2o/kiss-agent-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimih2o%2Fkiss-agent-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimih2o%2Fkiss-agent-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c83faa64d6b9327e646269630bc0490b2214c6c1
[INFO] checking jimih2o/kiss-agent-server against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimih2o%2Fkiss-agent-server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimih2o/kiss-agent-server on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimih2o/kiss-agent-server
[INFO] finished tweaking git repo https://github.com/jimih2o/kiss-agent-server
[INFO] tweaked toml for git repo https://github.com/jimih2o/kiss-agent-server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jimih2o/kiss-agent-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3b36d49c6c818531012733ddceda10c09578601d2da7144ba77982cdbd7906d
[INFO] running `Command { std: "docker" "start" "-a" "e3b36d49c6c818531012733ddceda10c09578601d2da7144ba77982cdbd7906d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b36d49c6c818531012733ddceda10c09578601d2da7144ba77982cdbd7906d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b36d49c6c818531012733ddceda10c09578601d2da7144ba77982cdbd7906d", kill_on_drop: false }`
[INFO] [stdout] e3b36d49c6c818531012733ddceda10c09578601d2da7144ba77982cdbd7906d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92f877104f439731d0e1cf2ccf659309f0750e47a75db6aeed2ab7903e84a0e6
[INFO] running `Command { std: "docker" "start" "-a" "92f877104f439731d0e1cf2ccf659309f0750e47a75db6aeed2ab7903e84a0e6", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking kiss-agent-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn handle_ping_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn handle_ping_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:270:28
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn handle_file_execute_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/main.rs:270:48
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn handle_file_execute_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:270:28
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn handle_file_execute_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> src/main.rs:270:48
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn handle_file_execute_cmd(config: &JsonValue, stream: &mut TcpStream) {
[INFO] [stdout]     |                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:398:21
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let mut json_string_len = [
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/main.rs:506:21
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 Err(why) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/main.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |         Err(why) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:398:21
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let mut json_string_len = [
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/main.rs:506:21
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 Err(why) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `why`
[INFO] [stdout]    --> src/main.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |         Err(why) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:561:46
[INFO] [stdout]     |
[INFO] [stdout] 561 | fn handle_client_execute(args: &Vec<String>, config : &JsonValue) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:568:23
[INFO] [stdout]     |
[INFO] [stdout] 568 | fn handle_client_ping(args: &Vec<String>, config : &JsonValue) {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:561:46
[INFO] [stdout]     |
[INFO] [stdout] 561 | fn handle_client_execute(args: &Vec<String>, config : &JsonValue) {
[INFO] [stdout]     |                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:568:23
[INFO] [stdout]     |
[INFO] [stdout] 568 | fn handle_client_ping(args: &Vec<String>, config : &JsonValue) {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:617:9
[INFO] [stdout]     |
[INFO] [stdout] 617 |     let mut run = true;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:617:9
[INFO] [stdout]     |
[INFO] [stdout] 617 |     let mut run = true;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "92f877104f439731d0e1cf2ccf659309f0750e47a75db6aeed2ab7903e84a0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f877104f439731d0e1cf2ccf659309f0750e47a75db6aeed2ab7903e84a0e6", kill_on_drop: false }`
[INFO] [stdout] 92f877104f439731d0e1cf2ccf659309f0750e47a75db6aeed2ab7903e84a0e6