[INFO] cloning repository https://github.com/xianminx/wrap-ffi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xianminx/wrap-ffi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d95a520ed78cce26dc071a610ceb92e70e095f9f
[INFO] testing xianminx/wrap-ffi-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxianminx%2Fwrap-ffi-rust" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xianminx/wrap-ffi-rust 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/xianminx/wrap-ffi-rust
[INFO] finished tweaking git repo https://github.com/xianminx/wrap-ffi-rust
[INFO] tweaked toml for git repo https://github.com/xianminx/wrap-ffi-rust written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/xianminx/wrap-ffi-rust 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] warning: unused manifest key: toolchain
[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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 1b2d00b027a5fd28c51c1c6ec3312d8a4e7f2057713ec4b1ab8fd58504d6a798
[INFO] running `Command { std: "docker" "start" "-a" "1b2d00b027a5fd28c51c1c6ec3312d8a4e7f2057713ec4b1ab8fd58504d6a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2d00b027a5fd28c51c1c6ec3312d8a4e7f2057713ec4b1ab8fd58504d6a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2d00b027a5fd28c51c1c6ec3312d8a4e7f2057713ec4b1ab8fd58504d6a798", kill_on_drop: false }`
[INFO] [stdout] 1b2d00b027a5fd28c51c1c6ec3312d8a4e7f2057713ec4b1ab8fd58504d6a798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 5b3aa6500e955db1816a839cc04c1f26ad172e249953e474db3ae93d15171125
[INFO] running `Command { std: "docker" "start" "-a" "5b3aa6500e955db1816a839cc04c1f26ad172e249953e474db3ae93d15171125", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling wrap-ffi-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `foo` should have an upper camel case name
[INFO] [stdout]  --> src/ffi.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type foo = *mut c_void;
[INFO] [stdout]   |          ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Foo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/foo.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |       let mut foo: ffi::foo = mem::uninitialized();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrap-ffi-rust` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5b3aa6500e955db1816a839cc04c1f26ad172e249953e474db3ae93d15171125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3aa6500e955db1816a839cc04c1f26ad172e249953e474db3ae93d15171125", kill_on_drop: false }`
[INFO] [stdout] 5b3aa6500e955db1816a839cc04c1f26ad172e249953e474db3ae93d15171125