[INFO] cloning repository https://github.com/Sjain-dir/Bug_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sjain-dir/Bug_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSjain-dir%2FBug_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSjain-dir%2FBug_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d29a07ef2721b6d8e3ec6e121691bf93123e757
[INFO] building Sjain-dir/Bug_in_Rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSjain-dir%2FBug_in_Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sjain-dir/Bug_in_Rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sjain-dir/Bug_in_Rust
[INFO] finished tweaking git repo https://github.com/Sjain-dir/Bug_in_Rust
[INFO] tweaked toml for git repo https://github.com/Sjain-dir/Bug_in_Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sjain-dir/Bug_in_Rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddb5f17d5fe7273abb16b4d888c3f35f56f396038add7d77b230dd56a3b27080
[INFO] running `Command { std: "docker" "start" "-a" "ddb5f17d5fe7273abb16b4d888c3f35f56f396038add7d77b230dd56a3b27080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb5f17d5fe7273abb16b4d888c3f35f56f396038add7d77b230dd56a3b27080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb5f17d5fe7273abb16b4d888c3f35f56f396038add7d77b230dd56a3b27080", kill_on_drop: false }`
[INFO] [stdout] ddb5f17d5fe7273abb16b4d888c3f35f56f396038add7d77b230dd56a3b27080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb14cf9b430290b725ee208e053c8a2aebd9c4f3c6117549f5131db98c1fcc6e
[INFO] running `Command { std: "docker" "start" "-a" "cb14cf9b430290b725ee208e053c8a2aebd9c4f3c6117549f5131db98c1fcc6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling Bug_in_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `CString`, which is not FFI-safe
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn test2(string1 : *mut CString, i : *mut c_int);
[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: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "cb14cf9b430290b725ee208e053c8a2aebd9c4f3c6117549f5131db98c1fcc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb14cf9b430290b725ee208e053c8a2aebd9c4f3c6117549f5131db98c1fcc6e", kill_on_drop: false }`
[INFO] [stdout] cb14cf9b430290b725ee208e053c8a2aebd9c4f3c6117549f5131db98c1fcc6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3aada0dcd31114fac3fcbb34acdcdf105c99f05141f1e4090bc822c9f57a6aa
[INFO] running `Command { std: "docker" "start" "-a" "d3aada0dcd31114fac3fcbb34acdcdf105c99f05141f1e4090bc822c9f57a6aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling Bug_in_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `CString`, which is not FFI-safe
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn test2(string1 : *mut CString, i : *mut c_int);
[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: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "d3aada0dcd31114fac3fcbb34acdcdf105c99f05141f1e4090bc822c9f57a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3aada0dcd31114fac3fcbb34acdcdf105c99f05141f1e4090bc822c9f57a6aa", kill_on_drop: false }`
[INFO] [stdout] d3aada0dcd31114fac3fcbb34acdcdf105c99f05141f1e4090bc822c9f57a6aa