[INFO] cloning repository https://github.com/open-rust/macro-log [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/open-rust/macro-log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-rust%2Fmacro-log", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-rust%2Fmacro-log'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 84aef338c2d6a27382a75706dae7b5125852fca2 [INFO] checking open-rust/macro-log against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-rust%2Fmacro-log" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/open-rust/macro-log [INFO] finished tweaking git repo https://github.com/open-rust/macro-log [INFO] tweaked toml for git repo https://github.com/open-rust/macro-log written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/open-rust/macro-log on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/open-rust/macro-log 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" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63f78731735f0fac31e32847f0a1ff6279c53a4d5c51a109003988acd8456c3c [INFO] running `Command { std: "docker" "start" "-a" "63f78731735f0fac31e32847f0a1ff6279c53a4d5c51a109003988acd8456c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63f78731735f0fac31e32847f0a1ff6279c53a4d5c51a109003988acd8456c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63f78731735f0fac31e32847f0a1ff6279c53a4d5c51a109003988acd8456c3c", kill_on_drop: false }` [INFO] [stdout] 63f78731735f0fac31e32847f0a1ff6279c53a4d5c51a109003988acd8456c3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e460ac65c424a36f95da69910fc59648197ad9869163900ba9de1175803a5b3 [INFO] running `Command { std: "docker" "start" "-a" "4e460ac65c424a36f95da69910fc59648197ad9869163900ba9de1175803a5b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking quote v1.0.32 [INFO] [stderr] Checking syn v2.0.28 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking macro-log-macros v0.3.0 (/opt/rustwide/workdir/macro-log-macros) [INFO] [stderr] Checking macro-log v0.3.0 (/opt/rustwide/workdir/macro-log) [INFO] [stderr] Checking app v0.3.0 (/opt/rustwide/workdir/app) [INFO] [stdout] visit dir: "app/src/" [INFO] [stdout] file => main.rs [INFO] [stdout] wrokspace: /opt/rustwide/workdir/app/src [INFO] [stdout] warning: `extern` fn uses type `(i8, i8)`, which is not FFI-safe [INFO] [stdout] --> app/src/main.rs:27:54 [INFO] [stdout] | [INFO] [stdout] 27 | pub extern "C" fn test<'a, T>(value: &'a T, another: (i8, i8), arg: Arg, ) -> &'a T [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using a struct instead [INFO] [stdout] = note: tuples have unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `(i8, i8)`, which is not FFI-safe [INFO] [stdout] --> app/src/main.rs:27:54 [INFO] [stdout] | [INFO] [stdout] 27 | pub extern "C" fn test<'a, T>(value: &'a T, another: (i8, i8), arg: Arg, ) -> &'a T [INFO] [stdout] | ^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using a struct instead [INFO] [stdout] = note: tuples have unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Arg`, which is not FFI-safe [INFO] [stdout] --> app/src/main.rs:27:69 [INFO] [stdout] | [INFO] [stdout] 27 | pub extern "C" fn test<'a, T>(value: &'a T, another: (i8, i8), arg: Arg, ) -> &'a T [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] note: the type is defined here [INFO] [stdout] --> app/src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Arg { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Arg`, which is not FFI-safe [INFO] [stdout] --> app/src/main.rs:27:69 [INFO] [stdout] | [INFO] [stdout] 27 | pub extern "C" fn test<'a, T>(value: &'a T, another: (i8, i8), arg: Arg, ) -> &'a T [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] note: the type is defined here [INFO] [stdout] --> app/src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Arg { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.11s [INFO] running `Command { std: "docker" "inspect" "4e460ac65c424a36f95da69910fc59648197ad9869163900ba9de1175803a5b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e460ac65c424a36f95da69910fc59648197ad9869163900ba9de1175803a5b3", kill_on_drop: false }` [INFO] [stdout] 4e460ac65c424a36f95da69910fc59648197ad9869163900ba9de1175803a5b3