[INFO] fetching crate stp258-serp 0.5.3...
[INFO] building stp258-serp-0.5.3 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate stp258-serp 0.5.3 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate stp258-serp 0.5.3 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stp258-serp 0.5.3
[INFO] finished tweaking crates.io crate stp258-serp 0.5.3
[INFO] tweaked toml for crates.io crate stp258-serp 0.5.3 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-ws v0.10.1
[INFO] [stderr]   Downloaded rocksdb v0.16.0
[INFO] [stderr]   Downloaded sc-cli v0.9.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.1
[INFO] [stderr]   Downloaded frame-benchmarking-cli v3.0.0
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] [stderr]   Downloaded parity-db v0.2.4
[INFO] [stderr]   Downloaded statrs v0.15.0
[INFO] [stderr]   Downloaded linregress v0.4.3
[INFO] [stderr]   Downloaded fixed v1.9.0
[INFO] [stderr]   Downloaded orml-utilities v0.4.0
[INFO] [stderr]   Downloaded serp-traits v0.5.3
[INFO] [stderr]   Downloaded primitive-types v0.9.1
[INFO] [stderr]   Downloaded impl-codec v0.5.1
[INFO] [stderr]   Downloaded pallet-treasury v3.0.0
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded nalgebra v0.27.1
[INFO] [stderr]   Downloaded pallet-elections-phragmen v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e034522a82445e40023e8ad04fc9f0f95118cef37974c6cbaf1615a7feb719be
[INFO] running `Command { std: "docker" "start" "-a" "e034522a82445e40023e8ad04fc9f0f95118cef37974c6cbaf1615a7feb719be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e034522a82445e40023e8ad04fc9f0f95118cef37974c6cbaf1615a7feb719be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e034522a82445e40023e8ad04fc9f0f95118cef37974c6cbaf1615a7feb719be", kill_on_drop: false }`
[INFO] [stdout] e034522a82445e40023e8ad04fc9f0f95118cef37974c6cbaf1615a7feb719be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcfadf647d8b576309ac33ef2f34cc7a14a6aaeb5fbca3bcdb280f5ae76612ee
[INFO] running `Command { std: "docker" "start" "-a" "fcfadf647d8b576309ac33ef2f34cc7a14a6aaeb5fbca3bcdb280f5ae76612ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "fcfadf647d8b576309ac33ef2f34cc7a14a6aaeb5fbca3bcdb280f5ae76612ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfadf647d8b576309ac33ef2f34cc7a14a6aaeb5fbca3bcdb280f5ae76612ee", kill_on_drop: false }`
[INFO] [stdout] fcfadf647d8b576309ac33ef2f34cc7a14a6aaeb5fbca3bcdb280f5ae76612ee