[INFO] cloning repository https://github.com/rendaardy/green_threads
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rendaardy/green_threads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frendaardy%2Fgreen_threads", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frendaardy%2Fgreen_threads'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 760a7103fbf5d5539387db722face2eb1d29b79a
[INFO] testing rendaardy/green_threads against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frendaardy%2Fgreen_threads" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rendaardy/green_threads on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rendaardy/green_threads
[INFO] finished tweaking git repo https://github.com/rendaardy/green_threads
[INFO] tweaked toml for git repo https://github.com/rendaardy/green_threads written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/rendaardy/green_threads already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68eaff8e8b1723a7d46987d61479182f5cd4a8d3d1e743de6f034b4f7ab9511b
[INFO] running `Command { std: "docker" "start" "-a" "68eaff8e8b1723a7d46987d61479182f5cd4a8d3d1e743de6f034b4f7ab9511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68eaff8e8b1723a7d46987d61479182f5cd4a8d3d1e743de6f034b4f7ab9511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68eaff8e8b1723a7d46987d61479182f5cd4a8d3d1e743de6f034b4f7ab9511b", kill_on_drop: false }`
[INFO] [stdout] 68eaff8e8b1723a7d46987d61479182f5cd4a8d3d1e743de6f034b4f7ab9511b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1b2b2e5440d057ad8070c2e0d11134a8b79fcf44c677dc4f4a790e93dac3d3
[INFO] running `Command { std: "docker" "start" "-a" "fb1b2b2e5440d057ad8070c2e0d11134a8b79fcf44c677dc4f4a790e93dac3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling green_threads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> src/main.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     llvm_asm!("
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm, naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn skip() {}
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(undefined_naked_function_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0787]: naked functions must contain a single asm block
[INFO] [stdout]    --> src/main.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn skip() {}
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 164 | unsafe fn switch(old: *const ThreadContext, new: *const ThreadContext) {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `green_threads` due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0787]: naked functions must contain a single asm block
[INFO] [stdout]    --> src/main.rs:164:1
[INFO] [stdout]     |
[INFO] [stdout] 164 | / unsafe fn switch(old: *const ThreadContext, new: *const ThreadContext) {
[INFO] [stdout] 165 | |     llvm_asm!("
[INFO] [stdout] 166 | |         mov %rsp, 0x00($0)
[INFO] [stdout] 167 | |         mov %r15, 0x08($0)
[INFO] [stdout] ...   |
[INFO] [stdout] 187 | |     );
[INFO] [stdout] 188 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: naked functions cannot be inlined
[INFO] [stdout]    --> src/main.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | #[inline(never)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0787.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb1b2b2e5440d057ad8070c2e0d11134a8b79fcf44c677dc4f4a790e93dac3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1b2b2e5440d057ad8070c2e0d11134a8b79fcf44c677dc4f4a790e93dac3d3", kill_on_drop: false }`
[INFO] [stdout] fb1b2b2e5440d057ad8070c2e0d11134a8b79fcf44c677dc4f4a790e93dac3d3