[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] checking chyyuu/example-greenthreads/eb685ab428edcf1d3b24000f47611de291c3c78d against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Fexample-greenthreads" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chyyuu/example-greenthreads on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccdece29886ca432d8230c77a35e944d76e10f3a1403dd0f6b508f2209701217
[INFO] running `Command { std: "docker" "start" "-a" "ccdece29886ca432d8230c77a35e944d76e10f3a1403dd0f6b508f2209701217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccdece29886ca432d8230c77a35e944d76e10f3a1403dd0f6b508f2209701217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdece29886ca432d8230c77a35e944d76e10f3a1403dd0f6b508f2209701217", kill_on_drop: false }`
[INFO] [stdout] ccdece29886ca432d8230c77a35e944d76e10f3a1403dd0f6b508f2209701217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5543879072eeea91aa3791c0081eb7bbc4411b5db1c9f923da62f5100ed1f3cc
[INFO] running `Command { std: "docker" "start" "-a" "5543879072eeea91aa3791c0081eb7bbc4411b5db1c9f923da62f5100ed1f3cc", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] 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: 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] error[E0736]: attribute incompatible with `#[naked]`
[INFO] [stdout]    --> src/main.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[naked]
[INFO] [stdout]     | -------- function marked with `#[naked]` here
[INFO] [stdout] 244 | #[inline(never)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^ the `inline` attribute is incompatible with `#[naked]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0736]: attribute incompatible with `#[naked]`
[INFO] [stdout]    --> src/main.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[naked]
[INFO] [stdout]     | -------- function marked with `#[naked]` here
[INFO] [stdout] 244 | #[inline(never)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^ the `inline` attribute is incompatible with `#[naked]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:245:1
[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] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]    --> src/main.rs:245:1
[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[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0635, E0736.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0635, E0736.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `green_threads` (bin "green_threads") due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `green_threads` (bin "green_threads" test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5543879072eeea91aa3791c0081eb7bbc4411b5db1c9f923da62f5100ed1f3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5543879072eeea91aa3791c0081eb7bbc4411b5db1c9f923da62f5100ed1f3cc", kill_on_drop: false }`
[INFO] [stdout] 5543879072eeea91aa3791c0081eb7bbc4411b5db1c9f923da62f5100ed1f3cc