[INFO] fetching crate rong_child_process 0.2.0...
[INFO] testing rong_child_process-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rong_child_process 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rong_child_process 0.2.0
[INFO] finished tweaking crates.io crate rong_child_process 0.2.0
[INFO] tweaked toml for crates.io crate rong_child_process 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rong_child_process 0.2.0 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] crate crates.io crate rong_child_process 0.2.0 already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] faf63e908dfab64aebe45ce2ac0ba8e5268dea333b22689231467dd7579d044d
[INFO] running `Command { std: "docker" "start" "-a" "faf63e908dfab64aebe45ce2ac0ba8e5268dea333b22689231467dd7579d044d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf63e908dfab64aebe45ce2ac0ba8e5268dea333b22689231467dd7579d044d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf63e908dfab64aebe45ce2ac0ba8e5268dea333b22689231467dd7579d044d", kill_on_drop: false }`
[INFO] [stdout] faf63e908dfab64aebe45ce2ac0ba8e5268dea333b22689231467dd7579d044d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a0c9d2dec29c4f9c4bdf6d5c03925f0ff6b1808281746fe0f18a3702cdf7c7a
[INFO] running `Command { std: "docker" "start" "-a" "0a0c9d2dec29c4f9c4bdf6d5c03925f0ff6b1808281746fe0f18a3702cdf7c7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling rong_macro v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rong_core v0.2.0
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling rong v0.2.0
[INFO] [stdout] error: `rong` requires an engine feature: enable one of `quickjs` or `jscore`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rong-0.2.0/src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | compile_error!("`rong` requires an engine feature: enable one of `quickjs` or `jscore`.");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rong` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a0c9d2dec29c4f9c4bdf6d5c03925f0ff6b1808281746fe0f18a3702cdf7c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0c9d2dec29c4f9c4bdf6d5c03925f0ff6b1808281746fe0f18a3702cdf7c7a", kill_on_drop: false }`
[INFO] [stdout] 0a0c9d2dec29c4f9c4bdf6d5c03925f0ff6b1808281746fe0f18a3702cdf7c7a