[INFO] fetching crate rurust 0.2.0...
[INFO] checking rurust-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rurust 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rurust 0.2.0
[INFO] finished tweaking crates.io crate rurust 0.2.0
[INFO] tweaked toml for crates.io crate rurust 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rurust 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rurust 0.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mri-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b107a50822dcf987655bb8df638d070af40321d6b5652b8970724050883204eb
[INFO] running `Command { std: "docker" "start" "-a" "b107a50822dcf987655bb8df638d070af40321d6b5652b8970724050883204eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b107a50822dcf987655bb8df638d070af40321d6b5652b8970724050883204eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b107a50822dcf987655bb8df638d070af40321d6b5652b8970724050883204eb", kill_on_drop: false }`
[INFO] [stdout] b107a50822dcf987655bb8df638d070af40321d6b5652b8970724050883204eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf726a142c0c1c2a4d34b6ea10abaae2f7e3593d85640b917eb83ee7b39cdb2d
[INFO] running `Command { std: "docker" "start" "-a" "cf726a142c0c1c2a4d34b6ea10abaae2f7e3593d85640b917eb83ee7b39cdb2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling mri-sys v0.2.5
[INFO] [stderr]     Checking rurust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/vm.rs:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn define_global_function(&self, name: &str, f: *mut extern fn() -> Value, arg_count: u8) -> Value {
[INFO] [stdout]    |                                                              ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/builder/klass.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     func: *mut extern fn() -> Value,
[INFO] [stdout]   |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/klass.rs:87:57
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn method<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/klass.rs:98:67
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn singleton_method<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/builder/module.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     func: *mut extern fn() -> Value,
[INFO] [stdout]   |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/module.rs:65:59
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn function<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/vm.rs:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn define_global_function(&self, name: &str, f: *mut extern fn() -> Value, arg_count: u8) -> Value {
[INFO] [stdout]    |                                                              ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/builder/klass.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     func: *mut extern fn() -> Value,
[INFO] [stdout]   |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/klass.rs:87:57
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn method<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/klass.rs:98:67
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn singleton_method<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                                   ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/builder/module.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     func: *mut extern fn() -> Value,
[INFO] [stdout]   |                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/builder/module.rs:65:59
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn function<S>(mut self, name: S, func_addr: *mut extern fn() -> Value, arg_count: i8) -> Self
[INFO] [stdout]    |                                                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> tools/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn thing(self_obj: rurust::Value, num: rurust::Value) -> rurust::Value {
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> tools/repl.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub extern fn thing(self_obj: rurust::Value, num: rurust::Value) -> rurust::Value {
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "cf726a142c0c1c2a4d34b6ea10abaae2f7e3593d85640b917eb83ee7b39cdb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf726a142c0c1c2a4d34b6ea10abaae2f7e3593d85640b917eb83ee7b39cdb2d", kill_on_drop: false }`
[INFO] [stdout] cf726a142c0c1c2a4d34b6ea10abaae2f7e3593d85640b917eb83ee7b39cdb2d