[INFO] fetching crate thread-scoped 1.0.2...
[INFO] building thread-scoped-1.0.2 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate thread-scoped 1.0.2 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate thread-scoped 1.0.2 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 thread-scoped 1.0.2
[INFO] finished tweaking crates.io crate thread-scoped 1.0.2
[INFO] tweaked toml for crates.io crate thread-scoped 1.0.2 written to /workspace/builds/worker-57/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] ca6f56d45e7577b215a222d7d6b84eb3c0aa30d5b122a43259f36917f77b0d39
[INFO] running `Command { std: "docker" "start" "-a" "ca6f56d45e7577b215a222d7d6b84eb3c0aa30d5b122a43259f36917f77b0d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6f56d45e7577b215a222d7d6b84eb3c0aa30d5b122a43259f36917f77b0d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6f56d45e7577b215a222d7d6b84eb3c0aa30d5b122a43259f36917f77b0d39", kill_on_drop: false }`
[INFO] [stdout] ca6f56d45e7577b215a222d7d6b84eb3c0aa30d5b122a43259f36917f77b0d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] f1162b8c6063056aa25cb13630abbd07d96cfd7964e1a8140316afdfb25b831d
[INFO] running `Command { std: "docker" "start" "-a" "f1162b8c6063056aa25cb13630abbd07d96cfd7964e1a8140316afdfb25b831d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-scoped v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "f1162b8c6063056aa25cb13630abbd07d96cfd7964e1a8140316afdfb25b831d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1162b8c6063056aa25cb13630abbd07d96cfd7964e1a8140316afdfb25b831d", kill_on_drop: false }`
[INFO] [stdout] f1162b8c6063056aa25cb13630abbd07d96cfd7964e1a8140316afdfb25b831d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d00de1bfd82c71eed88f0daadc1918e00823e662eb60ace1febf2e52e8d18ab3
[INFO] running `Command { std: "docker" "start" "-a" "d00de1bfd82c71eed88f0daadc1918e00823e662eb60ace1febf2e52e8d18ab3", 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" "d00de1bfd82c71eed88f0daadc1918e00823e662eb60ace1febf2e52e8d18ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00de1bfd82c71eed88f0daadc1918e00823e662eb60ace1febf2e52e8d18ab3", kill_on_drop: false }`
[INFO] [stdout] d00de1bfd82c71eed88f0daadc1918e00823e662eb60ace1febf2e52e8d18ab3