[INFO] cloning repository https://github.com/lijinpei/mlir-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lijinpei/mlir-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijinpei%2Fmlir-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijinpei%2Fmlir-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e90215cbba706e34ece56d093fd224e7d54f9651
[INFO] testing lijinpei/mlir-rs against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flijinpei%2Fmlir-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lijinpei/mlir-rs on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lijinpei/mlir-rs
[INFO] finished tweaking git repo https://github.com/lijinpei/mlir-rs
[INFO] tweaked toml for git repo https://github.com/lijinpei/mlir-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lijinpei/mlir-rs 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" "+beta-2025-01-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lijinpei/mlir-capi-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/lijinpei/llvm-capi-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding llvm-capi v0.1.0 (https://github.com/lijinpei/llvm-capi-rs.git#fda093f1)
[INFO] [stderr]       Adding mlir-capi v0.1.0 (https://github.com/lijinpei/mlir-capi-rs.git#3d0bd1c3)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09369c164de405a56e9f2405bcd209b5ec0a89da530c2b454a4eef2a397da234
[INFO] running `Command { std: "docker" "start" "-a" "09369c164de405a56e9f2405bcd209b5ec0a89da530c2b454a4eef2a397da234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09369c164de405a56e9f2405bcd209b5ec0a89da530c2b454a4eef2a397da234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09369c164de405a56e9f2405bcd209b5ec0a89da530c2b454a4eef2a397da234", kill_on_drop: false }`
[INFO] [stdout] 09369c164de405a56e9f2405bcd209b5ec0a89da530c2b454a4eef2a397da234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce0b5a4acd8a93c83ea4f5e3839e4d0a5d5b4547162279c3205a515cb6164e5
[INFO] running `Command { std: "docker" "start" "-a" "0ce0b5a4acd8a93c83ea4f5e3839e4d0a5d5b4547162279c3205a515cb6164e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling llvm-capi v0.1.0 (https://github.com/lijinpei/llvm-capi-rs.git#fda093f1)
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling mlir-capi v0.1.0 (https://github.com/lijinpei/mlir-capi-rs.git#3d0bd1c3)
[INFO] [stderr]    Compiling mlir-capi-extra v0.1.0 (/opt/rustwide/workdir/mlir-capi-extra-rs)
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling mlir-impl-macros v0.0.0 (/opt/rustwide/workdir/mlir-impl-macros-rs)
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling mlir-rs v0.1.0 (/opt/rustwide/workdir/mlir-rs)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> mlir-rs/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_as_ref_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mlir-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0ce0b5a4acd8a93c83ea4f5e3839e4d0a5d5b4547162279c3205a515cb6164e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce0b5a4acd8a93c83ea4f5e3839e4d0a5d5b4547162279c3205a515cb6164e5", kill_on_drop: false }`
[INFO] [stdout] 0ce0b5a4acd8a93c83ea4f5e3839e4d0a5d5b4547162279c3205a515cb6164e5