[INFO] fetching crate par-core 2.0.0...
[INFO] testing par-core-2.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate par-core 2.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate par-core 2.0.0
[INFO] finished tweaking crates.io crate par-core 2.0.0
[INFO] tweaked toml for crates.io crate par-core 2.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate par-core 2.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43f783d1869506f81200d423182d0745cf4199afb9558dc95bfdbf8f179d7cc1
[INFO] running `Command { std: "docker" "start" "-a" "43f783d1869506f81200d423182d0745cf4199afb9558dc95bfdbf8f179d7cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f783d1869506f81200d423182d0745cf4199afb9558dc95bfdbf8f179d7cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f783d1869506f81200d423182d0745cf4199afb9558dc95bfdbf8f179d7cc1", kill_on_drop: false }`
[INFO] [stdout] 43f783d1869506f81200d423182d0745cf4199afb9558dc95bfdbf8f179d7cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 903ee59c94fd80064f2509e917c80e052297e937a282099fb88d289b62e7287f
[INFO] running `Command { std: "docker" "start" "-a" "903ee59c94fd80064f2509e917c80e052297e937a282099fb88d289b62e7287f", kill_on_drop: false }`
[INFO] [stderr]    Compiling par-core v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must enable `chili` or `rayon` feature if you want to use `parallel` feature
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | compile_error!("You must enable `chili` or `rayon` feature if you want to use `parallel` feature");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `par-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "903ee59c94fd80064f2509e917c80e052297e937a282099fb88d289b62e7287f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903ee59c94fd80064f2509e917c80e052297e937a282099fb88d289b62e7287f", kill_on_drop: false }`
[INFO] [stdout] 903ee59c94fd80064f2509e917c80e052297e937a282099fb88d289b62e7287f