[INFO] cloning repository https://github.com/subramanya1997/markdownfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subramanya1997/markdownfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubramanya1997%2Fmarkdownfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubramanya1997%2Fmarkdownfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae2e035050a8ae49fa3cf91e6456e0b0f6433c6
[INFO] checking subramanya1997/markdownfs against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubramanya1997%2Fmarkdownfs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/subramanya1997/markdownfs
[INFO] finished tweaking git repo https://github.com/subramanya1997/markdownfs
[INFO] tweaked toml for git repo https://github.com/subramanya1997/markdownfs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/subramanya1997/markdownfs on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/subramanya1997/markdownfs 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-1-tc2/source/src/bin/mdfs_mount.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-mount`
[INFO] [stderr]   * `bin` target `mdfs-mount`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-1-tc2/source/src/bin/mdfs_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-server`
[INFO] [stderr]   * `bin` target `mdfs-server`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-1-tc2/source/src/bin/mdfs_mcp.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-mcp`
[INFO] [stderr]   * `bin` target `mdfs-mcp`
[INFO] [stderr] warning: `markdownfs` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15
[INFO] running `Command { std: "docker" "start" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/bin/mdfs_mcp.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-mcp`
[INFO] [stderr]   * `bin` target `mdfs-mcp`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/bin/mdfs_mount.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-mount`
[INFO] [stderr]   * `bin` target `mdfs-mount`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/bin/mdfs_server.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `markdownfs-server`
[INFO] [stderr]   * `bin` target `mdfs-server`
[INFO] [stderr] warning: `markdownfs` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling rmcp v1.4.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking tokio v1.51.1
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling rmcp-macros v1.4.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking sse-stream v0.2.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15", kill_on_drop: false }`
[INFO] [stdout] d91f6ccb461d9a213cbc6b80fe5b3b5940bbc2c30c42c6a55de551c9deb3db15
