[INFO] fetching crate objc2-metal-kit 0.3.0...
[INFO] checking objc2-metal-kit-0.3.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate objc2-metal-kit 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking objc2-metal-kit-0.3.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate objc2-metal-kit 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] checking objc2-metal-kit-0.3.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate objc2-metal-kit 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate objc2-metal-kit 0.3.0 on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objc2-metal-kit 0.3.0
[INFO] finished tweaking crates.io crate objc2-metal-kit 0.3.0
[INFO] tweaked toml for crates.io crate objc2-metal-kit 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate objc2-metal-kit 0.3.0 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" "+af54b6062f33b99e418444700f3a823ef0214052" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-model-io v0.3.0
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecda52d813065d645d463f0915b38a89fc9e83b38f8c0272c3f4253c553fad72
[INFO] running `Command { std: "docker" "start" "-a" "ecda52d813065d645d463f0915b38a89fc9e83b38f8c0272c3f4253c553fad72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecda52d813065d645d463f0915b38a89fc9e83b38f8c0272c3f4253c553fad72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecda52d813065d645d463f0915b38a89fc9e83b38f8c0272c3f4253c553fad72", kill_on_drop: false }`
[INFO] [stdout] ecda52d813065d645d463f0915b38a89fc9e83b38f8c0272c3f4253c553fad72
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb39288fecd567ee8b2c25a8751817060c855ee2da6bfe66f09d31be3a485e5c
[INFO] running `Command { std: "docker" "start" "-a" "eb39288fecd567ee8b2c25a8751817060c855ee2da6bfe66f09d31be3a485e5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2 v0.6.0
[INFO] [stderr]     Checking objc2-encode v4.1.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stdout] error: A runtime must be selected
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/objc2-0.6.0/src/lib.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 206 | compile_error!("A runtime must be selected");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb39288fecd567ee8b2c25a8751817060c855ee2da6bfe66f09d31be3a485e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb39288fecd567ee8b2c25a8751817060c855ee2da6bfe66f09d31be3a485e5c", kill_on_drop: false }`
[INFO] [stdout] eb39288fecd567ee8b2c25a8751817060c855ee2da6bfe66f09d31be3a485e5c