[INFO] updating cached repository https://github.com/roblabla/test-xargo-217 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b1c25b7ea7b829c66e11cbeba412b1d206d5e613 [INFO] checking roblabla/test-xargo-217 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Ftest-xargo-217" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roblabla/test-xargo-217 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/roblabla/test-xargo-217 [INFO] finished tweaking git repo https://github.com/roblabla/test-xargo-217 [INFO] tweaked toml for git repo https://github.com/roblabla/test-xargo-217 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/roblabla/test-xargo-217 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 40c641e684e76e6cdda56f7eb78342f04e8a9f63d7c343da9e0098bfb84e6eab [INFO] running `"docker" "start" "-a" "40c641e684e76e6cdda56f7eb78342f04e8a9f63d7c343da9e0098bfb84e6eab"` [INFO] [stderr] Checking hello_world v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/main.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | pub extern fn panic_fmt(p: &core::panic::PanicInfo<'_>) -> ! { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `layout` [INFO] [stderr] --> src/main.rs:23:28 [INFO] [stderr] | [INFO] [stderr] 23 | unsafe fn alloc(&self, layout: alloc::alloc::Layout) -> *mut u8 { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_layout` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ptr` [INFO] [stderr] --> src/main.rs:26:30 [INFO] [stderr] | [INFO] [stderr] 26 | unsafe fn dealloc(&self, ptr: *mut u8, layout: alloc::alloc::Layout) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ptr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `layout` [INFO] [stderr] --> src/main.rs:26:44 [INFO] [stderr] | [INFO] [stderr] 26 | unsafe fn dealloc(&self, ptr: *mut u8, layout: alloc::alloc::Layout) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_layout` [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![link_args="-nostdlib"] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`. [INFO] [stderr] --> src/main.rs:10:41 [INFO] [stderr] | [INFO] [stderr] 10 | #[lang = "eh_personality"] #[no_mangle] pub extern fn eh_personality() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `panic_unwind` (which `std` depends on). [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`. [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | / pub extern fn panic_fmt(p: &core::panic::PanicInfo<'_>) -> ! { [INFO] [stderr] 14 | | loop {} [INFO] [stderr] 15 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std` (which `test` depends on). [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `oom`. [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | / fn rust_oom(_: alloc::alloc::Layout) -> ! { [INFO] [stderr] 33 | | loop {} [INFO] [stderr] 34 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std` (which `test` depends on). [INFO] [stderr] [INFO] [stderr] error[E0152]: duplicate lang item found: `start`. [INFO] [stderr] --> src/main.rs:37:1 [INFO] [stderr] | [INFO] [stderr] 37 | / fn start(rmain: fn(), _argc: isize, _argv: *const *const u8) -> isize { [INFO] [stderr] 38 | | rmain(); [INFO] [stderr] 39 | | 0 [INFO] [stderr] 40 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: first defined in crate `std` (which `test` depends on). [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0152`. [INFO] [stderr] error: could not compile `hello_world`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "40c641e684e76e6cdda56f7eb78342f04e8a9f63d7c343da9e0098bfb84e6eab"` [INFO] running `"docker" "rm" "-f" "40c641e684e76e6cdda56f7eb78342f04e8a9f63d7c343da9e0098bfb84e6eab"` [INFO] [stdout] 40c641e684e76e6cdda56f7eb78342f04e8a9f63d7c343da9e0098bfb84e6eab