[INFO] cloning repository https://github.com/ceyhunsony/rustffitest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ceyhunsony/rustffitest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceyhunsony%2Frustffitest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceyhunsony%2Frustffitest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76879913d1fc51f82f732ffd6c1f2409c38233cf
[INFO] testing ceyhunsony/rustffitest against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceyhunsony%2Frustffitest" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ceyhunsony/rustffitest on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ceyhunsony/rustffitest
[INFO] finished tweaking git repo https://github.com/ceyhunsony/rustffitest
[INFO] tweaked toml for git repo https://github.com/ceyhunsony/rustffitest written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/ceyhunsony/rustffitest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8166b200345823920600b71f1bc2d9068aa0ff3f5cc0129c69a7c4512622df89
[INFO] running `Command { std: "docker" "start" "-a" "8166b200345823920600b71f1bc2d9068aa0ff3f5cc0129c69a7c4512622df89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8166b200345823920600b71f1bc2d9068aa0ff3f5cc0129c69a7c4512622df89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8166b200345823920600b71f1bc2d9068aa0ff3f5cc0129c69a7c4512622df89", kill_on_drop: false }`
[INFO] [stdout] 8166b200345823920600b71f1bc2d9068aa0ff3f5cc0129c69a7c4512622df89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccfba97e789d9d9bd7d0fcb03dea4cc488ec7c63af65a7ef8fe1220b58b7ee7c
[INFO] running `Command { std: "docker" "start" "-a" "ccfba97e789d9d9bd7d0fcb03dea4cc488ec7c63af65a7ef8fe1220b58b7ee7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustffitest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub extern fn testing_array(len: usize, input: &[u8]) -> i32 {
[INFO] [stdout]   |                                                ^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]   = help: consider using a raw pointer instead
[INFO] [stdout]   = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "ccfba97e789d9d9bd7d0fcb03dea4cc488ec7c63af65a7ef8fe1220b58b7ee7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfba97e789d9d9bd7d0fcb03dea4cc488ec7c63af65a7ef8fe1220b58b7ee7c", kill_on_drop: false }`
[INFO] [stdout] ccfba97e789d9d9bd7d0fcb03dea4cc488ec7c63af65a7ef8fe1220b58b7ee7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbd4dd2c3611d6fa41cd841b7bba6ca401b6bc5aac21ce2a8924a59c1aa9f3bb
[INFO] running `Command { std: "docker" "start" "-a" "cbd4dd2c3611d6fa41cd841b7bba6ca401b6bc5aac21ce2a8924a59c1aa9f3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustffitest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub extern fn testing_array(len: usize, input: &[u8]) -> i32 {
[INFO] [stdout]   |                                                ^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]   = help: consider using a raw pointer instead
[INFO] [stdout]   = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cbd4dd2c3611d6fa41cd841b7bba6ca401b6bc5aac21ce2a8924a59c1aa9f3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd4dd2c3611d6fa41cd841b7bba6ca401b6bc5aac21ce2a8924a59c1aa9f3bb", kill_on_drop: false }`
[INFO] [stdout] cbd4dd2c3611d6fa41cd841b7bba6ca401b6bc5aac21ce2a8924a59c1aa9f3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ed31519e8ce27e167cec60e81d7a4a3eb8fd9ed7f3d587047a4abf0e27dad8e
[INFO] running `Command { std: "docker" "start" "-a" "2ed31519e8ce27e167cec60e81d7a4a3eb8fd9ed7f3d587047a4abf0e27dad8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub extern fn testing_array(len: usize, input: &[u8]) -> i32 {
[INFO] [stderr]   |                                                ^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]   = help: consider using a raw pointer instead
[INFO] [stderr]   = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `rustffitest` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustffitest-4cf34f898e1b2c4c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ed31519e8ce27e167cec60e81d7a4a3eb8fd9ed7f3d587047a4abf0e27dad8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed31519e8ce27e167cec60e81d7a4a3eb8fd9ed7f3d587047a4abf0e27dad8e", kill_on_drop: false }`
[INFO] [stdout] 2ed31519e8ce27e167cec60e81d7a4a3eb8fd9ed7f3d587047a4abf0e27dad8e