[INFO] fetching crate newt-sys 0.1.6...
[INFO] checking newt-sys-0.1.6 against beta for pr-78714
[INFO] extracting crate newt-sys 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate newt-sys 0.1.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newt-sys 0.1.6
[INFO] finished tweaking crates.io crate newt-sys 0.1.6
[INFO] tweaked toml for crates.io crate newt-sys 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c6e2fbfa5de9ee80dcddabc836a0dd127bece1f61f2add9a6a4bb0a6eaf229
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2c6e2fbfa5de9ee80dcddabc836a0dd127bece1f61f2add9a6a4bb0a6eaf229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c6e2fbfa5de9ee80dcddabc836a0dd127bece1f61f2add9a6a4bb0a6eaf229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c6e2fbfa5de9ee80dcddabc836a0dd127bece1f61f2add9a6a4bb0a6eaf229", kill_on_drop: false }`
[INFO] [stdout] e2c6e2fbfa5de9ee80dcddabc836a0dd127bece1f61f2add9a6a4bb0a6eaf229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d701a5d9c6e45390c10952fcc5dbae22ce96c894760ba9f7e535d7aa71f17d95
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d701a5d9c6e45390c10952fcc5dbae22ce96c894760ba9f7e535d7aa71f17d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling newt-sys v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1926:15
[INFO] [stdout]      |
[INFO] [stdout] 1926 |         args: va_list,
[INFO] [stdout]      |               ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1949:15
[INFO] [stdout]      |
[INFO] [stdout] 1949 |         argv: va_list,
[INFO] [stdout]      |               ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1926:15
[INFO] [stdout]      |
[INFO] [stdout] 1926 |         args: va_list,
[INFO] [stdout]      |               ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[__va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]     --> src/lib.rs:1949:15
[INFO] [stdout]      |
[INFO] [stdout] 1949 |         argv: va_list,
[INFO] [stdout]      |               ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider passing a pointer to the array
[INFO] [stdout]      = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "d701a5d9c6e45390c10952fcc5dbae22ce96c894760ba9f7e535d7aa71f17d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d701a5d9c6e45390c10952fcc5dbae22ce96c894760ba9f7e535d7aa71f17d95", kill_on_drop: false }`
[INFO] [stdout] d701a5d9c6e45390c10952fcc5dbae22ce96c894760ba9f7e535d7aa71f17d95