[INFO] fetching crate possum-core 0.1.0...
[INFO] testing possum-core-0.1.0 against 1.90.0 for beta-1.91-2
[INFO] extracting crate possum-core 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate possum-core 0.1.0
[INFO] finished tweaking crates.io crate possum-core 0.1.0
[INFO] tweaked toml for crates.io crate possum-core 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate possum-core 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d16bb88f35c7a85901adffaba2e62e6349c76ea0a688d7651c51ce008e10703
[INFO] running `Command { std: "docker" "start" "-a" "8d16bb88f35c7a85901adffaba2e62e6349c76ea0a688d7651c51ce008e10703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d16bb88f35c7a85901adffaba2e62e6349c76ea0a688d7651c51ce008e10703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d16bb88f35c7a85901adffaba2e62e6349c76ea0a688d7651c51ce008e10703", kill_on_drop: false }`
[INFO] [stdout] 8d16bb88f35c7a85901adffaba2e62e6349c76ea0a688d7651c51ce008e10703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca1164f8b55e149e195d6b304ff91f53f732f9a0d5c1e803bbb01d6f086a9de
[INFO] running `Command { std: "docker" "start" "-a" "aca1164f8b55e149e195d6b304ff91f53f732f9a0d5c1e803bbb01d6f086a9de", kill_on_drop: false }`
[INFO] [stderr]    Compiling possum-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "aca1164f8b55e149e195d6b304ff91f53f732f9a0d5c1e803bbb01d6f086a9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca1164f8b55e149e195d6b304ff91f53f732f9a0d5c1e803bbb01d6f086a9de", kill_on_drop: false }`
[INFO] [stdout] aca1164f8b55e149e195d6b304ff91f53f732f9a0d5c1e803bbb01d6f086a9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26541218b0a79445c7d2d281657cbac61d0e4c9913f2854536daf82e9afa27c0
[INFO] running `Command { std: "docker" "start" "-a" "26541218b0a79445c7d2d281657cbac61d0e4c9913f2854536daf82e9afa27c0", kill_on_drop: false }`
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling possum-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcxp5lUO/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcxp5lUO/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/possum_core-7ff4c5445b5e750d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]           Stack dump:
[INFO] [stdout]           0.    Program arguments: /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld -flavor gnu -plugin /usr/libexec/gcc/x86_64-linux-gnu/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-linux-gnu/13/lto-wrapper -plugin-opt=-fresolution=/tmp/ccovGV7J.res --build-id --eh-frame-hdr -m elf_x86_64 --hash-style=gnu --as-needed -dynamic-linker /lib64/ld-linux-x86-64.so.2 -pie -z now -z relro -o /opt/rustwide/target/debug/deps/possum_core-7ff4c5445b5e750d /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/13/crtbeginS.o -L/tmp/rustcxp5lUO/raw-dylibs -L/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib -L/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld -L/usr/lib/gcc/x86_64-linux-gnu/13 -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/13/../../../../lib -L/lib/x86_64-linux-gnu -L/lib/../lib -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/13/../../.. /tmp/rustcxp5lUO/symbols.o /opt/rustwide/target/debug/deps/possum_core-7ff4c5445b5e750d.possum_core.b99eaeed4e894ca1-cgu.0.rcgu.o /opt/rustwide/target/debug/deps/possum_core-7ff4c5445b5e750d.470h3bz3lpzcge36mika5j7ao.rcgu.o --as-needed -Bstatic /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-2391cfc39352f09e.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-753fd3c815e5fc3e.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-daafedee4e954e2f.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-31e31b7df4d72782.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-210854cf1daa4bec.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-60999f71969c62e4.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-c8ba02a03a2c8826.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-8fad20e6ec27261f.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-4762c639c5141640.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-68de3fb7a86859f3.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-4f7fbb1f095fcd3f.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-6a40cf5258f51f80.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-eac3a09b6db64fd7.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9764c127deb56b65.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-792c79271e16ea9f.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler2-ae8f2d91738556a4.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8777a826d833fed1.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6b0ee99d0cd367aa.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-25b9095ba4a91f19.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9eb003a32f0992fa.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-11a30f34fef80118.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-049beac0cc29bd50.rlib /opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8e6617d0a0e102d3.rlib -Bdynamic -lgcc_s -lutil -lrt -lpthread -lm -ldl -lc --eh-frame-hdr -z noexecstack --gc-sections -z relro -z now /usr/lib/gcc/x86_64-linux-gnu/13/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/crtn.o
[INFO] [stdout]            #0 0x00007e1fb7b51367 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/libLLVM.so.20.1-rust-1.90.0-stable+0x5751367)
[INFO] [stdout]            #1 0x00007e1fb7b51783 SignalHandler(int) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/libLLVM.so.20.1-rust-1.90.0-stable+0x5751783)
[INFO] [stdout]            #2 0x00007e1fb2233330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
[INFO] [stdout]            #3 0x000056680b3cd49a void lld::elf::writeResult<llvm::object::ELFType<(llvm::endianness)1, true>>(lld::elf::Ctx&) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x55749a)
[INFO] [stdout]            #4 0x000056680b1e6923 void lld::elf::LinkerDriver::link<llvm::object::ELFType<(llvm::endianness)1, true>>(llvm::opt::InputArgList&) Driver.cpp:0:0
[INFO] [stdout]            #5 0x000056680b1c45fa lld::elf::LinkerDriver::linkerMain(llvm::ArrayRef<char const*>) Driver.cpp:0:0
[INFO] [stdout]            #6 0x000056680b1bfa14 lld::elf::link(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, bool, bool) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x349a14)
[INFO] [stdout]            #7 0x000056680b0cf3b6 lld::unsafeLldMain(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, llvm::ArrayRef<lld::DriverDef>, bool) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x2593b6)
[INFO] [stdout]            #8 0x000056680b0ce400 lld_main(int, char**, llvm::ToolContext const&) (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x258400)
[INFO] [stdout]            #9 0x000056680b0ceab1 main (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x258ab1)
[INFO] [stdout]           #10 0x00007e1fb22181ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
[INFO] [stdout]           #11 0x00007e1fb221828b __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
[INFO] [stdout]           #12 0x000056680af51069 _start (/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0xdb069)
[INFO] [stdout]           collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `possum-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "26541218b0a79445c7d2d281657cbac61d0e4c9913f2854536daf82e9afa27c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26541218b0a79445c7d2d281657cbac61d0e4c9913f2854536daf82e9afa27c0", kill_on_drop: false }`
[INFO] [stdout] 26541218b0a79445c7d2d281657cbac61d0e4c9913f2854536daf82e9afa27c0