[INFO] cloning repository https://github.com/tianzeshi-study/nano-downloader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tianzeshi-study/nano-downloader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianzeshi-study%2Fnano-downloader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianzeshi-study%2Fnano-downloader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d54295560c7a4b95b16a05658c2ec14dad7c290a
[INFO] checking tianzeshi-study/nano-downloader against try#50b21af28e291c419ae81eebcb7705fb4200dc90 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftianzeshi-study%2Fnano-downloader" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tianzeshi-study/nano-downloader on toolchain 50b21af28e291c419ae81eebcb7705fb4200dc90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tianzeshi-study/nano-downloader
[INFO] finished tweaking git repo https://github.com/tianzeshi-study/nano-downloader
[INFO] tweaked toml for git repo https://github.com/tianzeshi-study/nano-downloader written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tianzeshi-study/nano-downloader 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" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba6934216c00a036500f4227e4b3de99aed66440a02b9e8eb9fca60a6a3a7aec
[INFO] running `Command { std: "docker" "start" "-a" "ba6934216c00a036500f4227e4b3de99aed66440a02b9e8eb9fca60a6a3a7aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6934216c00a036500f4227e4b3de99aed66440a02b9e8eb9fca60a6a3a7aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6934216c00a036500f4227e4b3de99aed66440a02b9e8eb9fca60a6a3a7aec", kill_on_drop: false }`
[INFO] [stdout] ba6934216c00a036500f4227e4b3de99aed66440a02b9e8eb9fca60a6a3a7aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+50b21af28e291c419ae81eebcb7705fb4200dc90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33455dea7da8bbdd99b533647cdf3d60cea275da53884f6f35db3e76c2d672dd
[INFO] running `Command { std: "docker" "start" "-a" "33455dea7da8bbdd99b533647cdf3d60cea275da53884f6f35db3e76c2d672dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]    Compiling x11-dl v2.21.0
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[INFO] [stderr]    Compiling pyo3 v0.22.2
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[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling indoc v2.0.5
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[INFO] [stderr]     Checking sync_wrapper v0.1.2
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[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
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[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking nano-downloader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let window = WindowBuilder::new()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_stress_test` is never used
[INFO] [stdout]  --> src/dos_lib.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn run_stress_test(url: String, request_count: usize, concurrent_tasks: usize) -> Result<(), reqwest::Error> {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/dos_lib.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let result = run_stress_test(url, 10, 2).await;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let window = WindowBuilder::new()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "33455dea7da8bbdd99b533647cdf3d60cea275da53884f6f35db3e76c2d672dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33455dea7da8bbdd99b533647cdf3d60cea275da53884f6f35db3e76c2d672dd", kill_on_drop: false }`
[INFO] [stdout] 33455dea7da8bbdd99b533647cdf3d60cea275da53884f6f35db3e76c2d672dd