[INFO] fetching crate pcg_rand 0.13.0...
[INFO] building pcg_rand-0.13.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate pcg_rand 0.13.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate pcg_rand 0.13.0 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 pcg_rand 0.13.0
[INFO] finished tweaking crates.io crate pcg_rand 0.13.0
[INFO] tweaked toml for crates.io crate pcg_rand 0.13.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate pcg_rand 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 8eee2694c04f50cf2e6462ead763bdd7daf6bccc2daff4fc0af8e640ae400e63
[INFO] running `Command { std: "docker" "start" "-a" "8eee2694c04f50cf2e6462ead763bdd7daf6bccc2daff4fc0af8e640ae400e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eee2694c04f50cf2e6462ead763bdd7daf6bccc2daff4fc0af8e640ae400e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eee2694c04f50cf2e6462ead763bdd7daf6bccc2daff4fc0af8e640ae400e63", kill_on_drop: false }`
[INFO] [stdout] 8eee2694c04f50cf2e6462ead763bdd7daf6bccc2daff4fc0af8e640ae400e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6a0e34f3686198739edc1c090aef132b5433ac0a5a3cc1f48334aef6ef3e710a
[INFO] running `Command { std: "docker" "start" "-a" "6a0e34f3686198739edc1c090aef132b5433ac0a5a3cc1f48334aef6ef3e710a", kill_on_drop: false }`
[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" "6a0e34f3686198739edc1c090aef132b5433ac0a5a3cc1f48334aef6ef3e710a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0e34f3686198739edc1c090aef132b5433ac0a5a3cc1f48334aef6ef3e710a", kill_on_drop: false }`
[INFO] [stdout] 6a0e34f3686198739edc1c090aef132b5433ac0a5a3cc1f48334aef6ef3e710a