[INFO] cloning repository https://github.com/robertohuertasm/rust-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/robertohuertasm/rust-green-threads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-green-threads", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-green-threads'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92c58744f87c3a7f929c8ce1fe321752740b161c
[INFO] building robertohuertasm/rust-green-threads against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertohuertasm%2Frust-green-threads" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertohuertasm/rust-green-threads on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robertohuertasm/rust-green-threads
[INFO] finished tweaking git repo https://github.com/robertohuertasm/rust-green-threads
[INFO] tweaked toml for git repo https://github.com/robertohuertasm/rust-green-threads written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/robertohuertasm/rust-green-threads already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1047bafc420ac97553dfe1855e52ba9fa9e2f265f89cd6d7102015a78685b3f
[INFO] running `Command { std: "docker" "start" "-a" "f1047bafc420ac97553dfe1855e52ba9fa9e2f265f89cd6d7102015a78685b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1047bafc420ac97553dfe1855e52ba9fa9e2f265f89cd6d7102015a78685b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1047bafc420ac97553dfe1855e52ba9fa9e2f265f89cd6d7102015a78685b3f", kill_on_drop: false }`
[INFO] [stdout] f1047bafc420ac97553dfe1855e52ba9fa9e2f265f89cd6d7102015a78685b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1e4c84710bc6efc7f0552dcf57994a5669426f8429b73f0d00fbb154dda6d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a1e4c84710bc6efc7f0552dcf57994a5669426f8429b73f0d00fbb154dda6d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling green_threads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> src/main.rs:118:3
[INFO] [stdout]     |
[INFO] [stdout] 118 |     asm!("
[INFO] [stdout]     |     ^---
[INFO] [stdout]     |     |
[INFO] [stdout]     |  ___help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 119 | |         mov     %rsp, 0x00($0)
[INFO] [stdout] 120 | |         mov     %r15, 0x08($0)
[INFO] [stdout] 121 | |         mov     %r14, 0x10($0)
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |   : "alignstack" // needed to work on windows
[INFO] [stdout] 141 | |   );
[INFO] [stdout]     | |____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn guard() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unsupported_naked_functions)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: naked functions must contain a single asm block
[INFO] [stdout]    --> src/main.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | / fn guard() {
[INFO] [stdout] 101 | |   unsafe {
[INFO] [stdout] 102 | |     let rt_ptr = RUNTIME as *mut Runtime;
[INFO] [stdout]     | |     ------------------------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 103 | |     let rt = &mut *rt_ptr;
[INFO] [stdout]     | |     ---------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 104 | |     println!("THREAD {} FINISHED", rt.threads[rt.current].id);
[INFO] [stdout]     | |     ---------------------------------------------------------- non-asm is unsupported in naked functions
[INFO] [stdout] 105 | |     rt.t_return();
[INFO] [stdout]     | |     -------------- non-asm is unsupported in naked functions
[INFO] [stdout] 106 | |   }
[INFO] [stdout] 107 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:117:11
[INFO] [stdout]     |
[INFO] [stdout] 117 | unsafe fn switch(old: *mut ThreadContext, new: *const ThreadContext) {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: naked functions must contain a single asm block
[INFO] [stdout]    --> src/main.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | / unsafe fn switch(old: *mut ThreadContext, new: *const ThreadContext) {
[INFO] [stdout] 118 | |   asm!("
[INFO] [stdout] 119 | |         mov     %rsp, 0x00($0)
[INFO] [stdout] 120 | |         mov     %r15, 0x08($0)
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |   );
[INFO] [stdout] 142 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `green_threads`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1a1e4c84710bc6efc7f0552dcf57994a5669426f8429b73f0d00fbb154dda6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1e4c84710bc6efc7f0552dcf57994a5669426f8429b73f0d00fbb154dda6d3", kill_on_drop: false }`
[INFO] [stdout] 1a1e4c84710bc6efc7f0552dcf57994a5669426f8429b73f0d00fbb154dda6d3
