[INFO] cloning repository https://github.com/Credhat/ruueb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Credhat/ruueb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCredhat%2Fruueb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCredhat%2Fruueb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6303efcf0ea61c9f8f41ae9fe31713fc196842aa
[INFO] checking Credhat/ruueb against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCredhat%2Fruueb" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Credhat/ruueb 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/Credhat/ruueb
[INFO] finished tweaking git repo https://github.com/Credhat/ruueb
[INFO] tweaked toml for git repo https://github.com/Credhat/ruueb written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Credhat/ruueb 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.7
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded rustc-demangle v0.1.24
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.2
[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
[INFO] [stderr]   Downloaded cc v1.0.98
[INFO] [stderr]   Downloaded tokio v1.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6cad44f483b88976677da9d00cd10124d039284216448823b18111af63d50928
[INFO] running `Command { std: "docker" "start" "-a" "6cad44f483b88976677da9d00cd10124d039284216448823b18111af63d50928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cad44f483b88976677da9d00cd10124d039284216448823b18111af63d50928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cad44f483b88976677da9d00cd10124d039284216448823b18111af63d50928", kill_on_drop: false }`
[INFO] [stdout] 6cad44f483b88976677da9d00cd10124d039284216448823b18111af63d50928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fbd766500eeaf56a88d97f5b85614248e3acaaf310f983ac2cc30d5e8476f31e
[INFO] running `Command { std: "docker" "start" "-a" "fbd766500eeaf56a88d97f5b85614248e3acaaf310f983ac2cc30d5e8476f31e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking ruueb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn handle_connection(mut stream: TcpStream) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `worker_num` is never read
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct ThreadPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 181 |     worker_num: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn handle_connection(mut stream: TcpStream) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `worker_num` is never read
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct ThreadPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 181 |     worker_num: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "fbd766500eeaf56a88d97f5b85614248e3acaaf310f983ac2cc30d5e8476f31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd766500eeaf56a88d97f5b85614248e3acaaf310f983ac2cc30d5e8476f31e", kill_on_drop: false }`
[INFO] [stdout] fbd766500eeaf56a88d97f5b85614248e3acaaf310f983ac2cc30d5e8476f31e