[INFO] cloning repository https://github.com/wujy-cs/kv_raft_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wujy-cs/kv_raft_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujy-cs%2Fkv_raft_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujy-cs%2Fkv_raft_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f49003951ab52daf62e5246ccaf5d197a9e0936c
[INFO] checking wujy-cs/kv_raft_with_rust against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujy-cs%2Fkv_raft_with_rust" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wujy-cs/kv_raft_with_rust on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wujy-cs/kv_raft_with_rust
[INFO] finished tweaking git repo https://github.com/wujy-cs/kv_raft_with_rust
[INFO] tweaked toml for git repo https://github.com/wujy-cs/kv_raft_with_rust written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/wujy-cs/kv_raft_with_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/raft-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/rocksdb.git`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/bzip2-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/lz4-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/rust-snappy.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/snappy.git`
[INFO] [stderr]     Updating git repository `https://github.com/gyscos/zstd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/facebook/zstd`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc v2.2.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.5
[INFO] [stderr]   Downloaded protoc-grpcio v0.3.1
[INFO] [stderr]   Downloaded grpcio v0.4.1
[INFO] [stderr]   Downloaded grpcio-compiler v0.4.1
[INFO] [stderr]   Downloaded protobuf v2.0.5
[INFO] [stderr]   Downloaded blob v0.2.0
[INFO] [stderr]   Downloaded grpcio-sys v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3fa308a391c6bac971ee77fa446b710aba7eb9212a0103dff2172f1bcc29df
[INFO] running `Command { std: "docker" "start" "-a" "6e3fa308a391c6bac971ee77fa446b710aba7eb9212a0103dff2172f1bcc29df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3fa308a391c6bac971ee77fa446b710aba7eb9212a0103dff2172f1bcc29df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3fa308a391c6bac971ee77fa446b710aba7eb9212a0103dff2172f1bcc29df", kill_on_drop: false }`
[INFO] [stdout] 6e3fa308a391c6bac971ee77fa446b710aba7eb9212a0103dff2172f1bcc29df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99b414509e5082ad565d6d1d79cbeb1471747b04061e523b43c0eca3eeed956
[INFO] running `Command { std: "docker" "start" "-a" "a99b414509e5082ad565d6d1d79cbeb1471747b04061e523b43c0eca3eeed956", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "a99b414509e5082ad565d6d1d79cbeb1471747b04061e523b43c0eca3eeed956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99b414509e5082ad565d6d1d79cbeb1471747b04061e523b43c0eca3eeed956", kill_on_drop: false }`
[INFO] [stdout] a99b414509e5082ad565d6d1d79cbeb1471747b04061e523b43c0eca3eeed956