[INFO] cloning repository https://github.com/SoonIter/rust-build-rs-compile-time-optimization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoonIter/rust-build-rs-compile-time-optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoonIter%2Frust-build-rs-compile-time-optimization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoonIter%2Frust-build-rs-compile-time-optimization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04b1388b608a618a3e58230ef46745e6dcbbb48f
[INFO] testing SoonIter/rust-build-rs-compile-time-optimization against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoonIter%2Frust-build-rs-compile-time-optimization" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SoonIter/rust-build-rs-compile-time-optimization on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SoonIter/rust-build-rs-compile-time-optimization
[INFO] finished tweaking git repo https://github.com/SoonIter/rust-build-rs-compile-time-optimization
[INFO] tweaked toml for git repo https://github.com/SoonIter/rust-build-rs-compile-time-optimization written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SoonIter/rust-build-rs-compile-time-optimization 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 4803 ms: Could not connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)
[INFO] [stderr] error: failed to download from `https://static.crates.io/crates/cargo_toml/0.20.4/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)


command failed: exit status: 101

 Downloading crates ...
warning: spurious network error (3 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 4803 ms: Could not connect to server)
warning: spurious network error (2 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)
warning: spurious network error (1 tries remaining): [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)
error: failed to download from `https://static.crates.io/crates/cargo_toml/0.20.4/download`

Caused by:
  [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Could not connect to server)