[INFO] cloning repository https://github.com/tmforshaw/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/tmforshaw/Rust-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%2FRust-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%2FRust-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c037381571b8a66afec5fc41be27efa974bcbe1
[INFO] checking tmforshaw/Rust-OS against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmforshaw%2FRust-OS" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmforshaw/Rust-OS on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tmforshaw/Rust-OS
[INFO] finished tweaking git repo https://github.com/tmforshaw/Rust-OS
[INFO] tweaked toml for git repo https://github.com/tmforshaw/Rust-OS written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tmforshaw/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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded uart_16550 v0.3.1
[INFO] [stderr]   Downloaded x86_64 v0.15.1
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] [stderr] error: failed to unpack package `x86 v0.52.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
 Downloading crates ...
  Downloaded pic8259 v0.11.0
  Downloaded uart_16550 v0.3.1
  Downloaded x86_64 v0.15.1
  Downloaded x86 v0.52.0
error: failed to unpack package `x86 v0.52.0`

Caused by:
  failed to unpack entry at `x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`

Caused by:
  failed to unpack `x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86-0.52.0/x86data/perfmon_data/KNL/KnightsLanding_uncore_V9.json`

Caused by:
  No space left on device (os error 28)