[INFO] fetching crate hyper 0.14.11...
[INFO] building hyper-0.14.11 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate hyper 0.14.11 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate hyper 0.14.11 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 hyper 0.14.11
[INFO] removed 16 missing examples
[INFO] removed 3 missing tests
[INFO] finished tweaking crates.io crate hyper 0.14.11
[INFO] tweaked toml for crates.io crate hyper 0.14.11 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate hyper 0.14.11 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] d2679c14a94d73048a9183390799f458215727e2803e95b22ba82f4384089330
[INFO] running `Command { std: "docker" "start" "-a" "d2679c14a94d73048a9183390799f458215727e2803e95b22ba82f4384089330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2679c14a94d73048a9183390799f458215727e2803e95b22ba82f4384089330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2679c14a94d73048a9183390799f458215727e2803e95b22ba82f4384089330", kill_on_drop: false }`
[INFO] [stdout] d2679c14a94d73048a9183390799f458215727e2803e95b22ba82f4384089330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] fc8fd36e8646b856a74f8171af1db3ada4c8f40109ffcb783ee8940aebc80122
[INFO] running `Command { std: "docker" "start" "-a" "fc8fd36e8646b856a74f8171af1db3ada4c8f40109ffcb783ee8940aebc80122", 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" "fc8fd36e8646b856a74f8171af1db3ada4c8f40109ffcb783ee8940aebc80122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8fd36e8646b856a74f8171af1db3ada4c8f40109ffcb783ee8940aebc80122", kill_on_drop: false }`
[INFO] [stdout] fc8fd36e8646b856a74f8171af1db3ada4c8f40109ffcb783ee8940aebc80122