[INFO] cloning repository https://github.com/djkoloski/rust_serialization_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djkoloski/rust_serialization_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b27ff9912ecaa45a83dd22f78e95a39e35c4b43
[INFO] checking djkoloski/rust_serialization_benchmark against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] finished tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] tweaked toml for git repo https://github.com/djkoloski/rust_serialization_benchmark written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/djkoloski/rust_serialization_benchmark on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 420 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding capnp v0.21.1 (available: v0.21.3)
[INFO] [stderr]       Adding capnpc v0.21.0 (available: v0.21.2)
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (available: v0.21.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding enum-iterator v0.8.1 (available: v2.1.0)
[INFO] [stderr]       Adding minicbor v1.0.0 (available: v1.1.0)
[INFO] [stderr]       Adding postcard v1.1.1 (available: v1.1.2)
[INFO] [stderr]       Adding pprof v0.14.0 (available: v0.15.0)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.1)
[INFO] [stderr]       Adding prost-build v0.13.5 (available: v0.14.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_pcg v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding savefile v0.18.6 (available: v0.18.7)
[INFO] [stderr]       Adding savefile-derive v0.18.6 (available: v0.18.7)
[INFO] [stderr]       Adding serde_json v1.0.140 (available: v1.0.141)
[INFO] [stderr]       Adding stylist v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding yew v0.20.0 (available: v0.21.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded munge v0.4.5
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[INFO] [stderr]   Downloaded wiring-derive v0.2.3
[INFO] [stderr]   Downloaded simd-json-derive-int v0.16.0
[INFO] [stderr]   Downloaded nachricht v0.4.0
[INFO] [stderr]   Downloaded libflate_lz77 v2.1.0
[INFO] [stderr]   Downloaded databuf-derive v0.5.0
[INFO] [stderr]   Downloaded fixed-map-derive v0.9.5
[INFO] [stderr]   Downloaded capnpc v0.21.0
[INFO] [stderr] error: failed to unpack package `capnpc v0.21.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `capnpc-0.21.0/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/capnpc-0.21.0/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `capnpc-0.21.0/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/capnpc-0.21.0/.cargo_vcs_info.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
 Downloading crates ...
  Downloaded munge v0.4.5
  Downloaded serde_bare v0.5.0
  Downloaded wiring-derive v0.2.3
  Downloaded simd-json-derive-int v0.16.0
  Downloaded nachricht v0.4.0
  Downloaded libflate_lz77 v2.1.0
  Downloaded databuf-derive v0.5.0
  Downloaded fixed-map-derive v0.9.5
  Downloaded capnpc v0.21.0
error: failed to unpack package `capnpc v0.21.0`

Caused by:
  failed to unpack entry at `capnpc-0.21.0/.cargo_vcs_info.json`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/capnpc-0.21.0/.cargo_vcs_info.json`

Caused by:
  failed to unpack `capnpc-0.21.0/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/capnpc-0.21.0/.cargo_vcs_info.json`

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