[INFO] crate drone-test 0.1.2 is already in cache [INFO] building drone-test-0.1.2 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3 [INFO] extracting crate drone-test 0.1.2 into /workspace/builds/worker-95/source [INFO] validating manifest of crates.io crate drone-test 0.1.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate drone-test 0.1.2 [INFO] finished tweaking crates.io crate drone-test 0.1.2 [INFO] tweaked toml for crates.io crate drone-test 0.1.2 written to /workspace/builds/worker-95/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63693710f7882e1c1be4850dbd403ba9f0de22590701b2261951777e3c74c37b [INFO] running `Command { std: "docker" "start" "-a" "63693710f7882e1c1be4850dbd403ba9f0de22590701b2261951777e3c74c37b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63693710f7882e1c1be4850dbd403ba9f0de22590701b2261951777e3c74c37b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63693710f7882e1c1be4850dbd403ba9f0de22590701b2261951777e3c74c37b", kill_on_drop: false }` [INFO] [stdout] 63693710f7882e1c1be4850dbd403ba9f0de22590701b2261951777e3c74c37b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1a3cb2b397f39e750cbfbf722eb50a4c465eefe65d67000d113a05a0267e127 [INFO] running `Command { std: "docker" "start" "-a" "d1a3cb2b397f39e750cbfbf722eb50a4c465eefe65d67000d113a05a0267e127", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sc v0.2.5 [INFO] [stderr] Compiling drone-test v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/panicking.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 34 | unsafe { intrinsics::abort() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `fn()`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | main: fn(), [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Arguments`, which is not FFI-safe [INFO] [stdout] --> src/panicking.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | args: fmt::Arguments, [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/panicking.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | file: &'static str, [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] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "d1a3cb2b397f39e750cbfbf722eb50a4c465eefe65d67000d113a05a0267e127", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1a3cb2b397f39e750cbfbf722eb50a4c465eefe65d67000d113a05a0267e127", kill_on_drop: false }` [INFO] [stdout] d1a3cb2b397f39e750cbfbf722eb50a4c465eefe65d67000d113a05a0267e127 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a7dbe01f1d0c2b176d8145a5db35002478eb4b76ce0fd8aacc50e585548b9a0 [INFO] running `Command { std: "docker" "start" "-a" "5a7dbe01f1d0c2b176d8145a5db35002478eb4b76ce0fd8aacc50e585548b9a0", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/panicking.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 34 | unsafe { intrinsics::abort() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling drone-test v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `fn()`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | main: fn(), [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Arguments`, which is not FFI-safe [INFO] [stdout] --> src/panicking.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | args: fmt::Arguments, [INFO] [stdout] | ^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe [INFO] [stdout] --> src/panicking.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | file: &'static str, [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] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `start` [INFO] [stdout] --> src/lib.rs:123:1 [INFO] [stdout] | [INFO] [stdout] 123 | / extern "C" fn start( [INFO] [stdout] 124 | | main: fn(), [INFO] [stdout] 125 | | _argc: isize, [INFO] [stdout] 126 | | _argv: *const *const u8, [INFO] [stdout] 127 | | ) -> isize { [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/d5c88c22807925c189328ef9d923c5d2b11a95b8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-10ccbcbb85a60ebf.so, /opt/rustwide/rustup-home/toolchains/d5c88c22807925c189328ef9d923c5d2b11a95b8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-10ccbcbb85a60ebf.rlib [INFO] [stdout] = note: second definition in the local crate (`drone_test`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drone-test` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5a7dbe01f1d0c2b176d8145a5db35002478eb4b76ce0fd8aacc50e585548b9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a7dbe01f1d0c2b176d8145a5db35002478eb4b76ce0fd8aacc50e585548b9a0", kill_on_drop: false }` [INFO] [stdout] 5a7dbe01f1d0c2b176d8145a5db35002478eb4b76ce0fd8aacc50e585548b9a0