[INFO] cloning repository https://github.com/jgall/obj_c_rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgall/obj_c_rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgall%2Fobj_c_rust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgall%2Fobj_c_rust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b09ac01e74fdd7020c441cdba6dec9eb5811962
[INFO] testing jgall/obj_c_rust_test against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgall%2Fobj_c_rust_test" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgall/obj_c_rust_test on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgall/obj_c_rust_test
[INFO] finished tweaking git repo https://github.com/jgall/obj_c_rust_test
[INFO] tweaked toml for git repo https://github.com/jgall/obj_c_rust_test written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/jgall/obj_c_rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4d6c594cf3b91f40113786542b74acf4cda58b770078fff3dc49c7a4cd7e13
[INFO] running `Command { std: "docker" "start" "-a" "2b4d6c594cf3b91f40113786542b74acf4cda58b770078fff3dc49c7a4cd7e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4d6c594cf3b91f40113786542b74acf4cda58b770078fff3dc49c7a4cd7e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4d6c594cf3b91f40113786542b74acf4cda58b770078fff3dc49c7a4cd7e13", kill_on_drop: false }`
[INFO] [stdout] 2b4d6c594cf3b91f40113786542b74acf4cda58b770078fff3dc49c7a4cd7e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7246fb91edef1d6763c9c98edf283684bf4d63a13105919ad4056bef808d2244
[INFO] running `Command { std: "docker" "start" "-a" "7246fb91edef1d6763c9c98edf283684bf4d63a13105919ad4056bef808d2244", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling objc-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `objc::declare::ClassDecl`
[INFO] [stdout]  --> src/class.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use objc::declare::ClassDecl;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Class`, `Object`, `Sel`
[INFO] [stdout]  --> src/class.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use objc::runtime::{Class, Object, Sel};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/class.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / macro_rules! process_field {
[INFO] [stdout] 36 | |     ($class_dec:expr, (sel $($sel_name:ident :)* <- $fun_name:expr)) => {{
[INFO] [stdout] 37 | |         unsafe {
[INFO] [stdout] 38 | |             $class_dec.add_method(sel!($($sel_name :)*), $fun_name)
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     };
[INFO] [stdout] 62 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `objc::declare::ClassDecl`
[INFO] [stdout]  --> src/class.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use objc::declare::ClassDecl;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Class`, `Object`, `Sel`
[INFO] [stdout]  --> src/class.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use objc::runtime::{Class, Object, Sel};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/main.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sel`
[INFO] [stdout]   --> src/main.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]   --> src/main.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stdout]    |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i2`
[INFO] [stdout]   --> src/main.rs:17:67
[INFO] [stdout]    |
[INFO] [stdout] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stdout]    |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/main.rs:26:68
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stdout]    |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sel`
[INFO] [stdout]   --> src/main.rs:26:73
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stdout]    |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]   --> src/main.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t2`
[INFO] [stdout]   --> src/main.rs:26:52
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
[INFO] [stdout]    |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.objc_macros.5pbyx4fl-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e.2g9v433y1uwfipyt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libobjc-a41305e9f5a9e7f8.rlib" "/opt/rustwide/target/debug/deps/libmalloc_buf-8c7140c8e8872eee.rlib" "/opt/rustwide/target/debug/deps/liblibc-cccd5c1db59116a1.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/objc_macros-338cb59e5ad5378e" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-a41305e9f5a9e7f8.rlib(objc-a41305e9f5a9e7f8.objc.s94yybi1-cgu.11.rcgu.o): in function `<objc::rc::strong::StrongPtr as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/strong.rs:48: undefined reference to `objc_release'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-a41305e9f5a9e7f8.rlib(objc-a41305e9f5a9e7f8.objc.s94yybi1-cgu.3.rcgu.o): in function `objc::runtime::Object::class':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/runtime.rs:464: undefined reference to `object_getClass'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc-macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7246fb91edef1d6763c9c98edf283684bf4d63a13105919ad4056bef808d2244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7246fb91edef1d6763c9c98edf283684bf4d63a13105919ad4056bef808d2244", kill_on_drop: false }`
[INFO] [stdout] 7246fb91edef1d6763c9c98edf283684bf4d63a13105919ad4056bef808d2244
