Dec 05 19:57:16.111 INFO testing jgall/obj_c_rust_test against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:57:16.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 19:57:16.411 INFO [stdout] 060681c73ca6440a1cede6bbcfa34fb40511e4b3e0215d1fd7c7804e479ee2cd
Dec 05 19:57:16.413 INFO running `"docker" "start" "-a" "060681c73ca6440a1cede6bbcfa34fb40511e4b3e0215d1fd7c7804e479ee2cd"`
Dec 05 19:57:16.861 INFO [stderr] usermod: no changes
Dec 05 19:57:16.901 INFO [stderr]    Compiling malloc_buf v0.0.6
Dec 05 19:57:17.250 INFO [stderr]    Compiling objc v0.2.5
Dec 05 19:57:18.163 INFO [stderr]    Compiling obj_c_rust_test v0.1.0 (/source)
Dec 05 19:57:18.452 INFO [stderr] warning: unused import: `objc::declare::ClassDecl`
Dec 05 19:57:18.452 INFO [stderr]  --> src/class.rs:1:5
Dec 05 19:57:18.452 INFO [stderr]   |
Dec 05 19:57:18.452 INFO [stderr] 1 | use objc::declare::ClassDecl;
Dec 05 19:57:18.452 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:57:18.452 INFO [stderr]   |
Dec 05 19:57:18.452 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:57:18.452 INFO [stderr] 
Dec 05 19:57:18.452 INFO [stderr] warning: unused imports: `Class`, `Object`, `Sel`
Dec 05 19:57:18.452 INFO [stderr]  --> src/class.rs:2:21
Dec 05 19:57:18.452 INFO [stderr]   |
Dec 05 19:57:18.452 INFO [stderr] 2 | use objc::runtime::{Class, Object, Sel};
Dec 05 19:57:18.452 INFO [stderr]   |                     ^^^^^  ^^^^^^  ^^^
Dec 05 19:57:18.452 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `obj`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:17:30
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
Dec 05 19:57:18.508 INFO [stderr]    |                              ^^^ help: consider using `_obj` instead
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `sel`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:17:48
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
Dec 05 19:57:18.508 INFO [stderr]    |                                                ^^^ help: consider using `_sel` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `i1`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:17:58
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
Dec 05 19:57:18.508 INFO [stderr]    |                                                          ^^ help: consider using `_i1` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `i2`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:17:67
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
Dec 05 19:57:18.508 INFO [stderr]    |                                                                   ^^ help: consider using `_i2` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `obj`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:26:68
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
Dec 05 19:57:18.508 INFO [stderr]    |                                                                    ^^^ help: consider using `_obj` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `sel`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:26:73
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
Dec 05 19:57:18.508 INFO [stderr]    |                                                                         ^^^ help: consider using `_sel` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `t1`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:26:29
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
Dec 05 19:57:18.508 INFO [stderr]    |                             ^^ help: consider using `_t1` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.508 INFO [stderr] warning: unused variable: `t2`
Dec 05 19:57:18.508 INFO [stderr]   --> src/main.rs:26:52
Dec 05 19:57:18.508 INFO [stderr]    |
Dec 05 19:57:18.508 INFO [stderr] 26 |         (sel getThing2:(u32)t1 withOtherThing:(u32)t2 -> u32 with |obj, sel| {
Dec 05 19:57:18.508 INFO [stderr]    |                                                    ^^ help: consider using `_t2` instead
Dec 05 19:57:18.508 INFO [stderr] 
Dec 05 19:57:18.766 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 19:57:18.766 INFO [stderr]   |
Dec 05 19:57:18.766 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.0.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.1.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.10.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.11.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.12.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.13.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.14.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.15.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.2.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.3.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.4.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.5.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.6.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.7.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.8.rcgu.o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.obj_c_rust_test.5x65u037-cgu.9.rcgu.o" "-o" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1" "/target/debug/deps/obj_c_rust_test-ce199b470b2b23a1.27zvw9yz40xmyyrf.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libobjc-de0ed4b7c4b79a55.rlib" "/target/debug/deps/libmalloc_buf-53f436ac7c16f9e1.rlib" "/target/debug/deps/liblibc-1c8349feb14a25ce.rlib" "-Wl,--start-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1783ee7db416cd31.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d52c5951c3cd2e1d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9a81b01b5e0e175b.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f1a5585a81eb855e.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0a7b7470c80cad43.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 19:57:18.766 INFO [stderr]   = note: /target/debug/deps/libobjc-de0ed4b7c4b79a55.rlib(objc-de0ed4b7c4b79a55.objc.51v0j2ua-cgu.0.rcgu.o): In function `objc::runtime::Object::class::he99fd7e907d8c2f6':
Dec 05 19:57:18.766 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.5/src/runtime.rs:464: undefined reference to `object_getClass'
Dec 05 19:57:18.766 INFO [stderr]           /target/debug/deps/libobjc-de0ed4b7c4b79a55.rlib(objc-de0ed4b7c4b79a55.objc.51v0j2ua-cgu.10.rcgu.o): In function `_$LT$objc..rc..strong..StrongPtr$u20$as$u20$core..ops..drop..Drop$GT$::drop::he66de8082ea336ee':
Dec 05 19:57:18.766 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.5/src/rc/strong.rs:48: undefined reference to `objc_release'
Dec 05 19:57:18.766 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 19:57:18.766 INFO [stderr]           
Dec 05 19:57:18.766 INFO [stderr] 
Dec 05 19:57:18.767 INFO [stderr] error: aborting due to previous error
Dec 05 19:57:18.767 INFO [stderr] 
Dec 05 19:57:18.775 INFO [stderr] error: Could not compile `obj_c_rust_test`.
Dec 05 19:57:18.775 INFO [stderr] 
Dec 05 19:57:18.775 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 19:57:18.777 INFO [stderr] su: No module specific data is present
Dec 05 19:57:19.307 INFO running `"docker" "inspect" "060681c73ca6440a1cede6bbcfa34fb40511e4b3e0215d1fd7c7804e479ee2cd"`
Dec 05 19:57:19.390 INFO running `"docker" "rm" "-f" "060681c73ca6440a1cede6bbcfa34fb40511e4b3e0215d1fd7c7804e479ee2cd"`
Dec 05 19:57:19.460 INFO [stdout] 060681c73ca6440a1cede6bbcfa34fb40511e4b3e0215d1fd7c7804e479ee2cd