[INFO] fetching crate objc-macros 0.1.0...
[INFO] testing objc-macros-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate objc-macros 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate objc-macros 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate crates.io crate objc-macros 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb549da1051ac47bbce577096a2365e139c5e83d7411a181c667c8dec8a46f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6fb549da1051ac47bbce577096a2365e139c5e83d7411a181c667c8dec8a46f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb549da1051ac47bbce577096a2365e139c5e83d7411a181c667c8dec8a46f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb549da1051ac47bbce577096a2365e139c5e83d7411a181c667c8dec8a46f9", kill_on_drop: false }`
[INFO] [stdout] 6fb549da1051ac47bbce577096a2365e139c5e83d7411a181c667c8dec8a46f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b32b62547da602aef1c4f722018ef0636682ff4725b58f48092ef376f9806ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b32b62547da602aef1c4f722018ef0636682ff4725b58f48092ef376f9806ed", kill_on_drop: false }`
[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] [stderr] error: could not compile `objc-macros`
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.objc_macros.9wg2ybst-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927" "/opt/rustwide/target/debug/deps/objc_macros-f43fdcc6cb6fd927.4jhtqdajuxb60ftx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libobjc-78d617d110afa63c.rlib" "/opt/rustwide/target/debug/deps/libmalloc_buf-ed67069d640a1137.rlib" "/opt/rustwide/target/debug/deps/liblibc-981b8f56645ced90.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-21256c14e4504640.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-986e7fea4474d4d2.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-91d85f45babdb06e.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-756509c31813f9a6.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5c2ef587e740c0cc.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-ad8f9371d31db1b3.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-402820fb3b4d3dd8.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5e8e903f07dc8747.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7ab9ae5080c07187.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c8e8d47c6bf14de2.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5a02dbb58abd015a.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cedc8fec61444895.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1c96351c52bc56a.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-62493b241881590c.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/99e3aef02079e9c10583638520cd0c134dc3a01d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-78d617d110afa63c.rlib(objc-78d617d110afa63c.objc.21rb52fk-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-78d617d110afa63c.rlib(objc-78d617d110afa63c.objc.21rb52fk-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] [stderr] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9b32b62547da602aef1c4f722018ef0636682ff4725b58f48092ef376f9806ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b32b62547da602aef1c4f722018ef0636682ff4725b58f48092ef376f9806ed", kill_on_drop: false }`
[INFO] [stdout] 9b32b62547da602aef1c4f722018ef0636682ff4725b58f48092ef376f9806ed