[INFO] cloning repository https://github.com/hyetigran/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyetigran/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5814fe645c5e14fe0af0c3c3f7e248fe922800f8
[INFO] checking hyetigran/rust-os against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyetigran/rust-os on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hyetigran/rust-os
[INFO] finished tweaking git repo https://github.com/hyetigran/rust-os
[INFO] tweaked toml for git repo https://github.com/hyetigran/rust-os written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hyetigran/rust-os 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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 4804 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] error: failed to download from `https://static.crates.io/crates/bootloader/0.9.22/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.