[INFO] fetching crate par-core 2.0.0...
[INFO] testing par-core-2.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate par-core 2.0.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate par-core 2.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 941902f899c2b15fb84041210f0655b2e41319f2c0a6ca5186bb2d1f7d792e2c
[INFO] running `Command { std: "docker" "start" "-a" "941902f899c2b15fb84041210f0655b2e41319f2c0a6ca5186bb2d1f7d792e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "941902f899c2b15fb84041210f0655b2e41319f2c0a6ca5186bb2d1f7d792e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941902f899c2b15fb84041210f0655b2e41319f2c0a6ca5186bb2d1f7d792e2c", kill_on_drop: false }`
[INFO] [stdout] 941902f899c2b15fb84041210f0655b2e41319f2c0a6ca5186bb2d1f7d792e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e80649269491112be0621427ee01ff6add6c36d7ece74fea5d4baeb9fc5de613
[INFO] running `Command { std: "docker" "start" "-a" "e80649269491112be0621427ee01ff6add6c36d7ece74fea5d4baeb9fc5de613", 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] [stdout] error[E0425]: cannot find value `ra` in this scope
[INFO] [stdout]    --> src/lib.rs:138:6
[INFO] [stdout]     |
[INFO] [stdout] 138 |     (ra, rb)
[INFO] [stdout]     |      ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rb` in this scope
[INFO] [stdout]    --> src/lib.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     (ra, rb)
[INFO] [stdout]     |          ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `par-core` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e80649269491112be0621427ee01ff6add6c36d7ece74fea5d4baeb9fc5de613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80649269491112be0621427ee01ff6add6c36d7ece74fea5d4baeb9fc5de613", kill_on_drop: false }`
[INFO] [stdout] e80649269491112be0621427ee01ff6add6c36d7ece74fea5d4baeb9fc5de613