[INFO] fetching crate kmeans-color-gpu-cli 0.1.0...
[INFO] checking kmeans-color-gpu-cli-0.1.0 against master#74c3f5a146860c94ff4d179fc3bfa34f879adf41 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 74c3f5a146860c94ff4d179fc3bfa34f879adf41
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+74c3f5a146860c94ff4d179fc3bfa34f879adf41" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking kmeans-color-gpu-cli-0.1.0 against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kmeans-color-gpu-cli-0.1.0 against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kmeans-color-gpu-cli-0.1.0 against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kmeans-color-gpu-cli-0.1.0 against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kmeans-color-gpu-cli-0.1.0 against try#13cae6066db2d5e6c9bb508caceec8d34ca49980 for pr-120248
[INFO] extracting crate kmeans-color-gpu-cli 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate kmeans-color-gpu-cli 0.1.0 on toolchain 13cae6066db2d5e6c9bb508caceec8d34ca49980
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] finished tweaking crates.io crate kmeans-color-gpu-cli 0.1.0
[INFO] tweaked toml for crates.io crate kmeans-color-gpu-cli 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate kmeans-color-gpu-cli 0.1.0 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" "+13cae6066db2d5e6c9bb508caceec8d34ca49980" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.