[INFO] cloning repository https://github.com/playXE/green-threads-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/green-threads-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgreen-threads-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgreen-threads-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 924c31a6d8503d470ce27fa72ed982a544ccc2ba
[INFO] testing playXE/green-threads-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fgreen-threads-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/green-threads-rs 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/playXE/green-threads-rs
[INFO] finished tweaking git repo https://github.com/playXE/green-threads-rs
[INFO] tweaked toml for git repo https://github.com/playXE/green-threads-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/green-threads-rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4fe5d5cb23058985c166d976dc3cb0d8cd7ea4f6deb4db8882a52dbe1f856803
[INFO] running `Command { std: "docker" "start" "-a" "4fe5d5cb23058985c166d976dc3cb0d8cd7ea4f6deb4db8882a52dbe1f856803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe5d5cb23058985c166d976dc3cb0d8cd7ea4f6deb4db8882a52dbe1f856803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe5d5cb23058985c166d976dc3cb0d8cd7ea4f6deb4db8882a52dbe1f856803", kill_on_drop: false }`
[INFO] [stdout] 4fe5d5cb23058985c166d976dc3cb0d8cd7ea4f6deb4db8882a52dbe1f856803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 99457f97ca1ae2915a00833c9df0d700be3fb350c1cb600713f86d88e5116da5
[INFO] running `Command { std: "docker" "start" "-a" "99457f97ca1ae2915a00833c9df0d700be3fb350c1cb600713f86d88e5116da5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling greenie v0.1.0 (/opt/rustwide/workdir/greenie)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> greenie/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stmt`
[INFO] [stdout]   --> greenie/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     stmt: Stmt,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple-green-threads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     asm!("
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             std::arch::asm
[INFO] [stdout]             core::arch::asm
[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(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: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn guard() {
[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:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | / fn guard() {
[INFO] [stdout] 135 | |     unsafe {
[INFO] [stdout] 136 | |         let rt_ptr = RUNTIME as *mut Runtime;
[INFO] [stdout]     | |         ------------------------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 137 | |         let rt = &mut *rt_ptr;
[INFO] [stdout]     | |         ---------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 138 | |         println!("THREAD {} FINISHED.", rt.threads[rt.current].id);
[INFO] [stdout]     | |         ---------------------------------------------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 139 | |         rt.t_return();
[INFO] [stdout]     | |         -------------- non-asm is unsupported in naked functions
[INFO] [stdout] 140 | |     };
[INFO] [stdout] 141 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:152:11
[INFO] [stdout]     |
[INFO] [stdout] 152 | unsafe fn switch(old: *mut ThreadContext, new: *const ThreadContext) {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0787]: naked functions must contain a single asm block
[INFO] [stdout]    --> src/main.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | / unsafe fn switch(old: *mut ThreadContext, new: *const ThreadContext) {
[INFO] [stdout] 153 | |     asm!("
[INFO] [stdout] 154 | |         mov     %rsp, 0x00($0)
[INFO] [stdout] 155 | |         mov     %r15, 0x08($0)
[INFO] [stdout] ...   |
[INFO] [stdout] 174 | |     );
[INFO] [stdout] 175 | | }
[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 `simple-green-threads` due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "99457f97ca1ae2915a00833c9df0d700be3fb350c1cb600713f86d88e5116da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99457f97ca1ae2915a00833c9df0d700be3fb350c1cb600713f86d88e5116da5", kill_on_drop: false }`
[INFO] [stdout] 99457f97ca1ae2915a00833c9df0d700be3fb350c1cb600713f86d88e5116da5