error[E0583]: file not found for module `sys` about substrate

[bkchr]

Try to delete your folder ~/.cargo/registry.

This isn't any Substrate issue, more a general Rust/Cargo issue.

[istommao]

The following warnings were emitted during compilation:

warning: src/helpers.c:1:10: fatal error: 'setjmp.h' file not found
warning: #include <setjmp.h>
warning: ^~~~~~~~~~
warning: 1 error generated.

error: failed to run custom build command for wasmtime-runtime v8.0.1

Caused by:
process didn't exit successfully: /home/mao/WorkSpace/Substrate-HotStuff/target/debug/wbuild/node-template-runtime/target/release/build/wasmtime-runtime-b6ea060f875367a3/build-script-build (exit status: 1)
--- stdout
cargo:rerun-if-changed=src/helpers.c
TARGET = Some("wasm32-unknown-unknown")
OPT_LEVEL = Some("3")
HOST = Some("x86_64-unknown-linux-gnu")
cargo:rerun-if-env-changed=CC_wasm32-unknown-unknown
CC_wasm32-unknown-unknown = None
cargo:rerun-if-env-changed=CC_wasm32_unknown_unknown
CC_wasm32_unknown_unknown = None
cargo:rerun-if-env-changed=TARGET_CC
TARGET_CC = None
cargo:rerun-if-env-changed=CC
CC = None
cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
CRATE_CC_NO_DEFAULTS = None
DEBUG = Some("false")
cargo:rerun-if-env-changed=CFLAGS_wasm32-unknown-unknown
CFLAGS_wasm32-unknown-unknown = None
cargo:rerun-if-env-changed=CFLAGS_wasm32_unknown_unknown
CFLAGS_wasm32_unknown_unknown = None
cargo:rerun-if-env-changed=TARGET_CFLAGS
TARGET_CFLAGS = None
cargo:rerun-if-env-changed=CFLAGS
CFLAGS = None
running: "clang" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "--target=wasm32-unknown-unknown" "-Wall" "-Wextra" "-DCFG_TARGET_OS_unknown" "-DCFG_TARGET_ARCH_wasm32" "-o" "/home/mao/WorkSpace/Substrate-HotStuff/target/debug/wbuild/node-template-runtime/target/wasm32-unknown-unknown/release/build/wasmtime-runtime-d047019335ae77d2/out/src/helpers.o" "-c" "src/helpers.c"
cargo:warning=src/helpers.c:1:10: fatal error: 'setjmp.h' file not found

cargo:warning=#include <setjmp.h>

cargo:warning=         ^~~~~~~~~~

cargo:warning=1 error generated.

exit status: 1

--- stderr


error occurred: Command "clang" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "--target=wasm32-unknown-unknown" "-Wall" "-Wextra" "-DCFG_TARGET_OS_unknown" "-DCFG_TARGET_ARCH_wasm32" "-o" "/home/mao/WorkSpace/Substrate-HotStuff/target/debug/wbuild/node-template-runtime/target/wasm32-unknown-unknown/release/build/wasmtime-runtime-d047019335ae77d2/out/src/helpers.o" "-c" "src/helpers.c" with args "clang" did not execute successfully (status code exit status: 1).

warning: build failed, waiting for other jobs to finish...
error[E0583]: file not found for module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:26:1
|
26 | mod sys;
| ^^^^^^^^
|
= help: to create the module sys, create file "/home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/sys.rs" or "/home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/sys/mod.rs"

error[E0425]: cannot find function with_description in module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:47:14
|
47 | sys::with_description(*self, |desc| {
| ^^^^^^^^^^^^^^^^ not found in sys

error[E0425]: cannot find function with_description in module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:58:14
|
58 | sys::with_description(*self, |desc| match desc {
| ^^^^^^^^^^^^^^^^ not found in sys

error[E0425]: cannot find value STRERROR_NAME in module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:64:22
|
64 | sys::STRERROR_NAME,
| ^^^^^^^^^^^^^ not found in sys

error[E0425]: cannot find function errno in module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:95:10
|
95 | sys::errno()
| ^^^^^ not found in sys

error[E0425]: cannot find function set_errno in module sys
--> /home/mao/.cargo/registry/src/index.crates.io-6f17d22bba15001f/errno-0.3.2/src/lib.rs:100:10
|
100 | sys::set_errno(err)
| ^^^^^^^^^ not found in sys

Some errors have detailed explanations: E0425, E0583.
For more information about an error, try rustc --explain E0425.
error: could not compile errno (lib) due to 6 previous errors

[istommao]

@bkchr

[bkchr]

As you see it is wasmtime-runtime that fails to compile and nothing in Substrate. Please google for your error.