[INFO] cloning repository https://github.com/LynithDev/multithreaded-http-router
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LynithDev/multithreaded-http-router" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynithDev%2Fmultithreaded-http-router", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynithDev%2Fmultithreaded-http-router'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 742bbcc4d4308fbdc286bff5a9d062087c3cd030
[INFO] checking LynithDev/multithreaded-http-router against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynithDev%2Fmultithreaded-http-router" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LynithDev/multithreaded-http-router 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/LynithDev/multithreaded-http-router
[INFO] finished tweaking git repo https://github.com/LynithDev/multithreaded-http-router
[INFO] tweaked toml for git repo https://github.com/LynithDev/multithreaded-http-router written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LynithDev/multithreaded-http-router 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 url v2.3.1
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 97822bdc1b4208faa15f737156cb45cef4aa3cfc71ee7a4fa50b81ce3979c63e
[INFO] running `Command { std: "docker" "start" "-a" "97822bdc1b4208faa15f737156cb45cef4aa3cfc71ee7a4fa50b81ce3979c63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97822bdc1b4208faa15f737156cb45cef4aa3cfc71ee7a4fa50b81ce3979c63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97822bdc1b4208faa15f737156cb45cef4aa3cfc71ee7a4fa50b81ce3979c63e", kill_on_drop: false }`
[INFO] [stdout] 97822bdc1b4208faa15f737156cb45cef4aa3cfc71ee7a4fa50b81ce3979c63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 01569fb4341daf00c7a2d23b47bc58bcb8dae71de478da86ee389c100c0e6836
[INFO] running `Command { std: "docker" "start" "-a" "01569fb4341daf00c7a2d23b47bc58bcb8dae71de478da86ee389c100c0e6836", kill_on_drop: false }`
[INFO] [stderr]     Checking http-router v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]  --> examples/hello_world.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |     router.get("/", Arc::new(|req, res| {
[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: `req`
[INFO] [stdout]   --> examples/hello_world.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     router.get("/blocking", Arc::new(|req, res| {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "01569fb4341daf00c7a2d23b47bc58bcb8dae71de478da86ee389c100c0e6836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01569fb4341daf00c7a2d23b47bc58bcb8dae71de478da86ee389c100c0e6836", kill_on_drop: false }`
[INFO] [stdout] 01569fb4341daf00c7a2d23b47bc58bcb8dae71de478da86ee389c100c0e6836