[INFO] cloning repository https://github.com/chyyuu/example-greenthreads
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chyyuu/example-greenthreads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Fexample-greenthreads", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Fexample-greenthreads'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb685ab428edcf1d3b24000f47611de291c3c78d
[INFO] testing chyyuu/example-greenthreads against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Fexample-greenthreads" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chyyuu/example-greenthreads 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/chyyuu/example-greenthreads
[INFO] finished tweaking git repo https://github.com/chyyuu/example-greenthreads
[INFO] tweaked toml for git repo https://github.com/chyyuu/example-greenthreads written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/chyyuu/example-greenthreads 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 640e05793a045b32a12bd19dfa207479cb520e9a20f19c0bd2e977cf961333d7
[INFO] running `Command { std: "docker" "start" "-a" "640e05793a045b32a12bd19dfa207479cb520e9a20f19c0bd2e977cf961333d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640e05793a045b32a12bd19dfa207479cb520e9a20f19c0bd2e977cf961333d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640e05793a045b32a12bd19dfa207479cb520e9a20f19c0bd2e977cf961333d7", kill_on_drop: false }`
[INFO] [stdout] 640e05793a045b32a12bd19dfa207479cb520e9a20f19c0bd2e977cf961333d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] ae6b4e3a346ac2eb193de5d6cfbcb48dc1887d2073f9db04598ba5e7a799476c
[INFO] running `Command { std: "docker" "start" "-a" "ae6b4e3a346ac2eb193de5d6cfbcb48dc1887d2073f9db04598ba5e7a799476c", 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:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(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(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:245:11
[INFO] [stdout]     |
[INFO] [stdout] 245 | unsafe fn switch(old: *mut TaskContext, new: *const TaskContext) {
[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:245:1
[INFO] [stdout]     |
[INFO] [stdout] 245 | / unsafe fn switch(old: *mut TaskContext, new: *const TaskContext) {
[INFO] [stdout] 246 | |     // a0: old, a1: new
[INFO] [stdout] 247 | |     llvm_asm!("
[INFO] [stdout] 248 | |         sd x1, 0x00(a0)
[INFO] [stdout] ...   |
[INFO] [stdout] 283 | |     );
[INFO] [stdout] 284 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: naked functions cannot be inlined
[INFO] [stdout]    --> src/main.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | #[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] [stderr] error: could not compile `green_threads` due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ae6b4e3a346ac2eb193de5d6cfbcb48dc1887d2073f9db04598ba5e7a799476c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6b4e3a346ac2eb193de5d6cfbcb48dc1887d2073f9db04598ba5e7a799476c", kill_on_drop: false }`
[INFO] [stdout] ae6b4e3a346ac2eb193de5d6cfbcb48dc1887d2073f9db04598ba5e7a799476c