[INFO] fetching crate nvptx-builtins 0.1.0...
[INFO] testing nvptx-builtins-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nvptx-builtins 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate nvptx-builtins 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nvptx-builtins 0.1.0
[INFO] finished tweaking crates.io crate nvptx-builtins 0.1.0
[INFO] tweaked toml for crates.io crate nvptx-builtins 0.1.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d2f4f47ea71cacbeae9421551d01dbef6933d06ddb1aab618eac6c41146034
[INFO] running `Command { std: "docker" "start" "-a" "f6d2f4f47ea71cacbeae9421551d01dbef6933d06ddb1aab618eac6c41146034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d2f4f47ea71cacbeae9421551d01dbef6933d06ddb1aab618eac6c41146034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d2f4f47ea71cacbeae9421551d01dbef6933d06ddb1aab618eac6c41146034", kill_on_drop: false }`
[INFO] [stdout] f6d2f4f47ea71cacbeae9421551d01dbef6933d06ddb1aab618eac6c41146034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fb4af431167a45160c47f9b131c5ac2ffec5216263579cce937d63f3dfc7ed0
[INFO] running `Command { std: "docker" "start" "-a" "6fb4af431167a45160c47f9b131c5ac2ffec5216263579cce937d63f3dfc7ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nvptx-builtins v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(platform_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_dim_x`
[INFO] [stdout]  --> src/intrinsics.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn nvptx_block_dim_x() -> i32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_dim_y`
[INFO] [stdout]  --> src/intrinsics.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn nvptx_block_dim_y() -> i32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_dim_z`
[INFO] [stdout]   --> src/intrinsics.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn nvptx_block_dim_z() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_idx_x`
[INFO] [stdout]   --> src/intrinsics.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn nvptx_block_idx_x() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_idx_y`
[INFO] [stdout]   --> src/intrinsics.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn nvptx_block_idx_y() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_block_idx_z`
[INFO] [stdout]   --> src/intrinsics.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn nvptx_block_idx_z() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_grid_dim_x`
[INFO] [stdout]   --> src/intrinsics.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn nvptx_grid_dim_x() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_grid_dim_y`
[INFO] [stdout]   --> src/intrinsics.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn nvptx_grid_dim_y() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_grid_dim_z`
[INFO] [stdout]   --> src/intrinsics.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn nvptx_grid_dim_z() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_syncthreads`
[INFO] [stdout]   --> src/intrinsics.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn nvptx_syncthreads() -> ();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_thread_idx_x`
[INFO] [stdout]   --> src/intrinsics.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn nvptx_thread_idx_x() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_thread_idx_y`
[INFO] [stdout]   --> src/intrinsics.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn nvptx_thread_idx_y() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unrecognized platform-specific intrinsic function: `nvptx_thread_idx_z`
[INFO] [stdout]   --> src/intrinsics.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn nvptx_thread_idx_z() -> i32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nvptx-builtins` due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "6fb4af431167a45160c47f9b131c5ac2ffec5216263579cce937d63f3dfc7ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb4af431167a45160c47f9b131c5ac2ffec5216263579cce937d63f3dfc7ed0", kill_on_drop: false }`
[INFO] [stdout] 6fb4af431167a45160c47f9b131c5ac2ffec5216263579cce937d63f3dfc7ed0