[INFO] fetching crate blackhole 0.18.0...
[INFO] building blackhole-0.18.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate blackhole 0.18.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate blackhole 0.18.0 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 blackhole 0.18.0
[INFO] finished tweaking crates.io crate blackhole 0.18.0
[INFO] tweaked toml for crates.io crate blackhole 0.18.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9572b2314f45f2af184c2f36274d955ca3e23650e5a7fa6ccb98fe32c3376416
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9572b2314f45f2af184c2f36274d955ca3e23650e5a7fa6ccb98fe32c3376416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9572b2314f45f2af184c2f36274d955ca3e23650e5a7fa6ccb98fe32c3376416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9572b2314f45f2af184c2f36274d955ca3e23650e5a7fa6ccb98fe32c3376416", kill_on_drop: false }`
[INFO] [stdout] 9572b2314f45f2af184c2f36274d955ca3e23650e5a7fa6ccb98fe32c3376416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 03a64e4f667251e06097031398b45fef37f641b86159fde10e8489962c918bc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03a64e4f667251e06097031398b45fef37f641b86159fde10e8489962c918bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackhole v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "03a64e4f667251e06097031398b45fef37f641b86159fde10e8489962c918bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a64e4f667251e06097031398b45fef37f641b86159fde10e8489962c918bc2", kill_on_drop: false }`
[INFO] [stdout] 03a64e4f667251e06097031398b45fef37f641b86159fde10e8489962c918bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 47a0b2f151e1fecdef33a13fe8ffadc980cf4068b366511711b7f5baf71d59f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47a0b2f151e1fecdef33a13fe8ffadc980cf4068b366511711b7f5baf71d59f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (75b84863966839e5, 8a92c743b00988cf), 0, 0
[INFO] [stderr]    Compiling blackhole v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: root, (749ed4f324dc5713, 3be68a3daf123ceb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: blackhole, (527f44965d0c5f1f, ef47f09a8f2cfaeb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: blackhole, (e69bf58afe785106, 596809f112a1c8f0), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: blackhole, (335eae471a7b4c7b, 84f1bc40c29346c8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: root, (3577d37faca79ac1, 1a199609a4eff402), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: root, (5b311bd4a33307b6, c9d6ae40502e79f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: root, (ffd7a53aeb8ec861, 70faae907f9e8a9f), 8, 8
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "47a0b2f151e1fecdef33a13fe8ffadc980cf4068b366511711b7f5baf71d59f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a0b2f151e1fecdef33a13fe8ffadc980cf4068b366511711b7f5baf71d59f5", kill_on_drop: false }`
[INFO] [stdout] 47a0b2f151e1fecdef33a13fe8ffadc980cf4068b366511711b7f5baf71d59f5