[INFO] cloning repository https://github.com/warsocket/rust-wasm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warsocket/rust-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarsocket%2Frust-wasm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarsocket%2Frust-wasm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a577da96264f8c55514bf43e28526aae52eb6d5f [INFO] checking warsocket/rust-wasm against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarsocket%2Frust-wasm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/warsocket/rust-wasm [INFO] finished tweaking git repo https://github.com/warsocket/rust-wasm [INFO] tweaked toml for git repo https://github.com/warsocket/rust-wasm written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/warsocket/rust-wasm on toolchain 4b596bbd847672da87763b76171687d3544863c2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/warsocket/rust-wasm 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" "+4b596bbd847672da87763b76171687d3544863c2" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 250fb8964e6ec5470cbde483d430c0ee493af134d12ef12e759caf09c43b6e5b [INFO] running `Command { std: "docker" "start" "-a" "250fb8964e6ec5470cbde483d430c0ee493af134d12ef12e759caf09c43b6e5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "250fb8964e6ec5470cbde483d430c0ee493af134d12ef12e759caf09c43b6e5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "250fb8964e6ec5470cbde483d430c0ee493af134d12ef12e759caf09c43b6e5b", kill_on_drop: false }` [INFO] [stdout] 250fb8964e6ec5470cbde483d430c0ee493af134d12ef12e759caf09c43b6e5b [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 756252742ba09321043fe9b1815e85701a23756115c53c84883f202cc3a56376 [INFO] running `Command { std: "docker" "start" "-a" "756252742ba09321043fe9b1815e85701a23756115c53c84883f202cc3a56376", kill_on_drop: false }` [INFO] [stderr] Checking wasm_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ffi::CString` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ffi::CString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::c_char` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ffi::c_char; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::CString` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ffi::CString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub extern fn rnd() -> usize { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::c_char` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ffi::c_char; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub extern fn rnd() -> usize { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/lib.rs:67:1 [INFO] [stdout] | [INFO] [stdout] 67 | extern{ [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `mem_from_wasm` should have an upper case name [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | static mut mem_from_wasm:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 5 - static mut mem_from_wasm:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] 5 + static mut MEM_FROM_WASM:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | unsafe { mem_from_wasm.as_ptr() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | fn log(ptr:&str) -> (); //as you can see rust will translate this &str to *const u8 + usize [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using `*const u8` and a length instead [INFO] [stdout] = note: string slices have no C equivalent [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `mem_from_wasm` should have an upper case name [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | static mut mem_from_wasm:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 5 - static mut mem_from_wasm:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] 5 + static mut MEM_FROM_WASM:[u8;0xFF] = [42;0xFF]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | unsafe { mem_from_wasm.as_ptr() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:68:16 [INFO] [stdout] | [INFO] [stdout] 68 | fn log(ptr:&str) -> (); //as you can see rust will translate this &str to *const u8 + usize [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using `*const u8` and a length instead [INFO] [stdout] = note: string slices have no C equivalent [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "756252742ba09321043fe9b1815e85701a23756115c53c84883f202cc3a56376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "756252742ba09321043fe9b1815e85701a23756115c53c84883f202cc3a56376", kill_on_drop: false }` [INFO] [stdout] 756252742ba09321043fe9b1815e85701a23756115c53c84883f202cc3a56376