[INFO] crate objc-macros 0.1.0 is already in cache
[INFO] testing objc-macros-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate objc-macros 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate objc-macros 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate objc-macros 0.1.0
[INFO] finished tweaking crates.io crate objc-macros 0.1.0
[INFO] tweaked toml for crates.io crate objc-macros 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate objc-macros 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5270c1d0d11dbf8c91e19e5288ba002b0eaba631b49c234d36e67ae8c3dbe61c
[INFO] running `"docker" "start" "-a" "5270c1d0d11dbf8c91e19e5288ba002b0eaba631b49c234d36e67ae8c3dbe61c"`
[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] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `objc::declare::ClassDecl`
[INFO] [stderr]  --> src/class.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use objc::declare::ClassDecl;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Class`, `Object`, `Sel`
[INFO] [stderr]  --> src/class.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use objc::runtime::{Class, Object, Sel};
[INFO] [stderr]   |                     ^^^^^  ^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/class.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / macro_rules! process_field {
[INFO] [stderr] 36 | |     ($class_dec:expr, (sel $($sel_name:ident :)* <- $fun_name:expr)) => {{
[INFO] [stderr] 37 | |         unsafe {
[INFO] [stderr] 38 | |             $class_dec.add_method(sel!($($sel_name :)*), $fun_name)
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |     };
[INFO] [stderr] 62 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `objc::declare::ClassDecl`
[INFO] [stderr]  --> src/class.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use objc::declare::ClassDecl;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Class`, `Object`, `Sel`
[INFO] [stderr]  --> src/class.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use objc::runtime::{Class, Object, Sel};
[INFO] [stderr]   |                     ^^^^^  ^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/main.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/main.rs:17:48
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]   --> src/main.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                          ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i2`
[INFO] [stderr]   --> src/main.rs:17:67
[INFO] [stderr]    |
[INFO] [stderr] 17 |     extern "C" fn obj_method(obj: &mut Object, sel: Sel, i1: i32, i2: i32) -> i32 {
[INFO] [stderr]    |                                                                   ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/class.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |           extern "C" fn selector_fun($obj: &mut Object, $sel: Sel, $($sel_local_name:$sel_type),*) -> $ret_type $body
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |       let my_box_class = register_class!(MyBox:NSObject with {
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 23 | |         (pub width: u32),
[INFO] [stderr] 24 | |         (priv height: u32),
[INFO] [stderr] 25 | |         (sel getThing:withOtherThing: <- my_method),
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }),
[INFO] [stderr] 29 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sel`
[INFO] [stderr]   --> src/class.rs:43:55
[INFO] [stderr]    |
[INFO] [stderr] 43 |           extern "C" fn selector_fun($obj: &mut Object, $sel: Sel, $($sel_local_name:$sel_type),*) -> $ret_type $body
[INFO] [stderr]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |       let my_box_class = register_class!(MyBox:NSObject with {
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 23 | |         (pub width: u32),
[INFO] [stderr] 24 | |         (priv height: u32),
[INFO] [stderr] 25 | |         (sel getThing:withOtherThing: <- my_method),
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }),
[INFO] [stderr] 29 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/class.rs:43:68
[INFO] [stderr]    |
[INFO] [stderr] 43 |           extern "C" fn selector_fun($obj: &mut Object, $sel: Sel, $($sel_local_name:$sel_type),*) -> $ret_type $body
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |       let my_box_class = register_class!(MyBox:NSObject with {
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 23 | |         (pub width: u32),
[INFO] [stderr] 24 | |         (priv height: u32),
[INFO] [stderr] 25 | |         (sel getThing:withOtherThing: <- my_method),
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }),
[INFO] [stderr] 29 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]   --> src/class.rs:43:68
[INFO] [stderr]    |
[INFO] [stderr] 43 |           extern "C" fn selector_fun($obj: &mut Object, $sel: Sel, $($sel_local_name:$sel_type),*) -> $ret_type $body
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |       let my_box_class = register_class!(MyBox:NSObject with {
[INFO] [stderr]    |  ________________________-
[INFO] [stderr] 23 | |         (pub width: u32),
[INFO] [stderr] 24 | |         (priv height: u32),
[INFO] [stderr] 25 | |         (sel getThing:withOtherThing: <- my_method),
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }),
[INFO] [stderr] 29 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.objc_macros.5ly434z0-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa" "/opt/rustwide/target/debug/deps/objc_macros-93e61192d74513fa.12qihyutb1s9f60z.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libobjc-e6820c439c9e159e.rlib" "/opt/rustwide/target/debug/deps/libmalloc_buf-f168283e84513a3b.rlib" "/opt/rustwide/target/debug/deps/liblibc-03e7fbc917bcb234.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1dac1a412c98f50d.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b7841fd014bf83a1.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-338c0763450dca22.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f2e5d11836e0967.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-81a9070bd3553adf.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-e297830377b95af4.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b38b87f2dd197fa0.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-601015f2e15e7e26.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-439f3a589bd88586.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-57ab7e6ac23ce11f.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aec7f88778e912a.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-b6806800b307d4b9.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-e49d7651b12f7563.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8266574e26adcc3.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/libobjc-e6820c439c9e159e.rlib(objc-e6820c439c9e159e.objc.6pnzthit-cgu.0.rcgu.o): In function `objc::runtime::Object::class':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/runtime.rs:464: undefined reference to `object_getClass'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libobjc-e6820c439c9e159e.rlib(objc-e6820c439c9e159e.objc.6pnzthit-cgu.10.rcgu.o): In function `<objc::rc::strong::StrongPtr as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/strong.rs:48: undefined reference to `objc_release'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `objc-macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5270c1d0d11dbf8c91e19e5288ba002b0eaba631b49c234d36e67ae8c3dbe61c"`
[INFO] running `"docker" "rm" "-f" "5270c1d0d11dbf8c91e19e5288ba002b0eaba631b49c234d36e67ae8c3dbe61c"`
[INFO] [stdout] 5270c1d0d11dbf8c91e19e5288ba002b0eaba631b49c234d36e67ae8c3dbe61c