[INFO] fetching crate evcxr 0.11.0...
[INFO] building evcxr-0.11.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate evcxr 0.11.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate evcxr 0.11.0 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 evcxr 0.11.0
[INFO] finished tweaking crates.io crate evcxr 0.11.0
[INFO] tweaked toml for crates.io crate evcxr 0.11.0 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate crates.io crate evcxr 0.11.0 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 camino v1.0.4
[INFO] [stderr]   Downloaded kqueue-sys v1.0.2
[INFO] [stderr]   Downloaded kqueue v1.0.3
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.66
[INFO] [stderr]   Downloaded sig v1.0.0
[INFO] [stderr]   Downloaded ra_ap_hir_ty v0.0.66
[INFO] [stderr]   Downloaded ra_ap_mbe v0.0.66
[INFO] [stderr]   Downloaded ra_ap_hir_expand v0.0.66
[INFO] [stderr]   Downloaded chalk-derive v0.69.0
[INFO] [stderr]   Downloaded ra_ap_ide_ssr v0.0.66
[INFO] [stderr]   Downloaded chalk-recursive v0.69.0
[INFO] [stderr]   Downloaded ra_ap_vfs-notify v0.0.66
[INFO] [stderr]   Downloaded ra_ap_ide_completion v0.0.66
[INFO] [stderr]   Downloaded ra_ap_ide_assists v0.0.66
[INFO] [stderr]   Downloaded chalk-solve v0.69.0
[INFO] [stderr]   Downloaded ra_ap_test_utils v0.0.66
[INFO] [stderr]   Downloaded ra_ap_ide_diagnostics v0.0.66
[INFO] [stderr]   Downloaded evcxr_input v1.0.0
[INFO] [stderr]   Downloaded ra_ap_cfg v0.0.66
[INFO] [stderr]   Downloaded ra_ap_tt v0.0.66
[INFO] [stderr]   Downloaded ra_ap_ide_db v0.0.66
[INFO] [stderr]   Downloaded ra_ap_base_db v0.0.66
[INFO] [stderr]   Downloaded ra_ap_project_model v0.0.66
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.66
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.66
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.66
[INFO] [stderr]   Downloaded ra_ap_ide v0.0.66
[INFO] [stderr]   Downloaded chalk-ir v0.69.0
[INFO] [stderr]   Downloaded ra_ap_hir v0.0.66
[INFO] [stderr]   Downloaded ra_ap_la-arena v0.0.66
[INFO] [stderr]   Downloaded ra_ap_proc_macro_api v0.0.66
[INFO] [stderr]   Downloaded rowan v0.13.0-pre.7
[INFO] [stderr]   Downloaded ra_ap_hir_def v0.0.66
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.66
[INFO] [stderr]   Downloaded ra_ap_vfs v0.0.66
[INFO] [stderr]   Downloaded ra_ap_paths v0.0.66
[INFO] [stderr]   Downloaded ra_ap_toolchain v0.0.66
[INFO] [stderr]   Downloaded notify v5.0.0-pre.11
[INFO] [stderr]   Downloaded ra_ap_limit v0.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 352321b33633e664bb2c3d6e299c537590b034ebc25747c7e909d7807a4e2bfc
[INFO] running `Command { std: "docker" "start" "-a" "352321b33633e664bb2c3d6e299c537590b034ebc25747c7e909d7807a4e2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352321b33633e664bb2c3d6e299c537590b034ebc25747c7e909d7807a4e2bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352321b33633e664bb2c3d6e299c537590b034ebc25747c7e909d7807a4e2bfc", kill_on_drop: false }`
[INFO] [stdout] 352321b33633e664bb2c3d6e299c537590b034ebc25747c7e909d7807a4e2bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 8f6a5dd37043008512f886b041514cf190e1ba3cee3d2f8ef2b2121ff24624f0
[INFO] running `Command { std: "docker" "start" "-a" "8f6a5dd37043008512f886b041514cf190e1ba3cee3d2f8ef2b2121ff24624f0", 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" "8f6a5dd37043008512f886b041514cf190e1ba3cee3d2f8ef2b2121ff24624f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6a5dd37043008512f886b041514cf190e1ba3cee3d2f8ef2b2121ff24624f0", kill_on_drop: false }`
[INFO] [stdout] 8f6a5dd37043008512f886b041514cf190e1ba3cee3d2f8ef2b2121ff24624f0