[INFO] fetching crate tokio 1.10.0...
[INFO] building tokio-1.10.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate tokio 1.10.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate tokio 1.10.0 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 tokio 1.10.0
[INFO] finished tweaking crates.io crate tokio 1.10.0
[INFO] tweaked toml for crates.io crate tokio 1.10.0 written to /workspace/builds/worker-105/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] [stderr]     Blocking waiting for file lock on package cache
[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 tracing v0.1.26
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded generator v0.7.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded loom v0.5.1
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 96ac828e7f0305e5dece05fee05eee3ed476a8a4ca91e9390e5cf7e0060cbab4
[INFO] running `Command { std: "docker" "start" "-a" "96ac828e7f0305e5dece05fee05eee3ed476a8a4ca91e9390e5cf7e0060cbab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ac828e7f0305e5dece05fee05eee3ed476a8a4ca91e9390e5cf7e0060cbab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ac828e7f0305e5dece05fee05eee3ed476a8a4ca91e9390e5cf7e0060cbab4", kill_on_drop: false }`
[INFO] [stdout] 96ac828e7f0305e5dece05fee05eee3ed476a8a4ca91e9390e5cf7e0060cbab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 2a884bee8af310a04a54f9d8484d4ffd127b0b1e89046d9a56663b9d1b4e011b
[INFO] running `Command { std: "docker" "start" "-a" "2a884bee8af310a04a54f9d8484d4ffd127b0b1e89046d9a56663b9d1b4e011b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (d318f0ec49d2844c, 9963dc6836664ff6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (10275bade51f3a64, 1a4993f89775eba9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (ad71db94d2b0dded, b3dc5e463857ea36), 32, 32
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (82926ac54d2532ce, 8542c3146f879d7f), 32, 32
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (47682469233aa24e, 6234a8c7872b30b8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (2f2196d24a853f8a, 7c1449fef3a08a41), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (65e85fdf8a9e1307, 8abe54fcfafac5c9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (ece079b67c37958b, 2ad04b3daca5c227), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: autocfg, (680b341ec5c76adc, 6c9b8c7d6ea4fc6a), 0, 0
[INFO] [stderr]    Compiling tokio v1.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "2a884bee8af310a04a54f9d8484d4ffd127b0b1e89046d9a56663b9d1b4e011b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a884bee8af310a04a54f9d8484d4ffd127b0b1e89046d9a56663b9d1b4e011b", kill_on_drop: false }`
[INFO] [stdout] 2a884bee8af310a04a54f9d8484d4ffd127b0b1e89046d9a56663b9d1b4e011b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] a99a0a5ee76ff43d6cc910b70e1568ff01a102b206ae1e80d9aa2e685c13782c
[INFO] running `Command { std: "docker" "start" "-a" "a99a0a5ee76ff43d6cc910b70e1568ff01a102b206ae1e80d9aa2e685c13782c", 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" "a99a0a5ee76ff43d6cc910b70e1568ff01a102b206ae1e80d9aa2e685c13782c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99a0a5ee76ff43d6cc910b70e1568ff01a102b206ae1e80d9aa2e685c13782c", kill_on_drop: false }`
[INFO] [stdout] a99a0a5ee76ff43d6cc910b70e1568ff01a102b206ae1e80d9aa2e685c13782c