[INFO] fetching crate cxx-test-suite 0.0.0...
[INFO] building cxx-test-suite-0.0.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate cxx-test-suite 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cxx-test-suite 0.0.0 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 cxx-test-suite 0.0.0
[INFO] finished tweaking crates.io crate cxx-test-suite 0.0.0
[INFO] tweaked toml for crates.io crate cxx-test-suite 0.0.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffcf6c5c479d24f27a9416bd51f00c0a4e2f3c18a7ecafba877d1049c2e4d608
[INFO] running `Command { std: "docker" "start" "-a" "ffcf6c5c479d24f27a9416bd51f00c0a4e2f3c18a7ecafba877d1049c2e4d608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffcf6c5c479d24f27a9416bd51f00c0a4e2f3c18a7ecafba877d1049c2e4d608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcf6c5c479d24f27a9416bd51f00c0a4e2f3c18a7ecafba877d1049c2e4d608", kill_on_drop: false }`
[INFO] [stdout] ffcf6c5c479d24f27a9416bd51f00c0a4e2f3c18a7ecafba877d1049c2e4d608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1356736e0a0aa1a73c67c06dda33698778284ab7eca19560e0030131a5af879
[INFO] running `Command { std: "docker" "start" "-a" "c1356736e0a0aa1a73c67c06dda33698778284ab7eca19560e0030131a5af879", kill_on_drop: false }`
[INFO] [stderr]    Compiling cxx-test-suite v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-test-suite` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c1356736e0a0aa1a73c67c06dda33698778284ab7eca19560e0030131a5af879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1356736e0a0aa1a73c67c06dda33698778284ab7eca19560e0030131a5af879", kill_on_drop: false }`
[INFO] [stdout] c1356736e0a0aa1a73c67c06dda33698778284ab7eca19560e0030131a5af879