[INFO] fetching crate par-core 2.0.0...
[INFO] testing par-core-2.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate par-core 2.0.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate par-core 2.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chili v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c61d1b6986394ebb9027f9f5701b21058c83e1100d0f19196481b9b4793dbf12
[INFO] running `Command { std: "docker" "start" "-a" "c61d1b6986394ebb9027f9f5701b21058c83e1100d0f19196481b9b4793dbf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c61d1b6986394ebb9027f9f5701b21058c83e1100d0f19196481b9b4793dbf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61d1b6986394ebb9027f9f5701b21058c83e1100d0f19196481b9b4793dbf12", kill_on_drop: false }`
[INFO] [stdout] c61d1b6986394ebb9027f9f5701b21058c83e1100d0f19196481b9b4793dbf12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8762d5c2cc30001087dcc41ad57d213001bd943f6273f06623272d818fbfe5
[INFO] running `Command { std: "docker" "start" "-a" "ae8762d5c2cc30001087dcc41ad57d213001bd943f6273f06623272d818fbfe5", 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" "ae8762d5c2cc30001087dcc41ad57d213001bd943f6273f06623272d818fbfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8762d5c2cc30001087dcc41ad57d213001bd943f6273f06623272d818fbfe5", kill_on_drop: false }`
[INFO] [stdout] ae8762d5c2cc30001087dcc41ad57d213001bd943f6273f06623272d818fbfe5