[INFO] fetching crate tensorflow 0.17.0...
[INFO] building tensorflow-0.17.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate tensorflow 0.17.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate tensorflow 0.17.0 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 tensorflow 0.17.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tensorflow 0.17.0
[INFO] tweaked toml for crates.io crate tensorflow 0.17.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate tensorflow 0.17.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.35
[INFO] [stderr]   Downloaded tensorflow-sys v0.20.0
[INFO] [stderr]   Downloaded bzip2 v0.4.2
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded crc v2.0.0
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded protobuf v2.23.0
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded tensorflow-internal-macros v0.0.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.58
[INFO] [stderr]   Downloaded filetime v0.2.10
[INFO] [stderr]   Downloaded vcpkg v0.2.9
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 92e26427c9d4497f6195012aae1cfe1512e5079f21e5e0d53b0a01a3c6b01c77
[INFO] running `Command { std: "docker" "start" "-a" "92e26427c9d4497f6195012aae1cfe1512e5079f21e5e0d53b0a01a3c6b01c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e26427c9d4497f6195012aae1cfe1512e5079f21e5e0d53b0a01a3c6b01c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e26427c9d4497f6195012aae1cfe1512e5079f21e5e0d53b0a01a3c6b01c77", kill_on_drop: false }`
[INFO] [stdout] 92e26427c9d4497f6195012aae1cfe1512e5079f21e5e0d53b0a01a3c6b01c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 81390e694bf4776ac91b9694070fe389d2f46c2c1b290f1b710c2adaf21e1ac4
[INFO] running `Command { std: "docker" "start" "-a" "81390e694bf4776ac91b9694070fe389d2f46c2c1b290f1b710c2adaf21e1ac4", 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" "81390e694bf4776ac91b9694070fe389d2f46c2c1b290f1b710c2adaf21e1ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81390e694bf4776ac91b9694070fe389d2f46c2c1b290f1b710c2adaf21e1ac4", kill_on_drop: false }`
[INFO] [stdout] 81390e694bf4776ac91b9694070fe389d2f46c2c1b290f1b710c2adaf21e1ac4