[INFO] cloning repository https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell8888%2Fkaleidoscope_shapes_coding_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell8888%2Fkaleidoscope_shapes_coding_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21384e3e3af4f692e345c1dce218087370e191c9
[INFO] testing maxwell8888/kaleidoscope_shapes_coding_exercise against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxwell8888%2Fkaleidoscope_shapes_coding_exercise" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise
[INFO] finished tweaking git repo https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise
[INFO] tweaked toml for git repo https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxwell8888/kaleidoscope_shapes_coding_exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2949a90171e033addb6016dc6a2b2df74a4fa6cb07a47daa28863e38931783e
[INFO] running `Command { std: "docker" "start" "-a" "e2949a90171e033addb6016dc6a2b2df74a4fa6cb07a47daa28863e38931783e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2949a90171e033addb6016dc6a2b2df74a4fa6cb07a47daa28863e38931783e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2949a90171e033addb6016dc6a2b2df74a4fa6cb07a47daa28863e38931783e", kill_on_drop: false }`
[INFO] [stdout] e2949a90171e033addb6016dc6a2b2df74a4fa6cb07a47daa28863e38931783e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d484d4e8b4e7bae402aa4d2fc081c2a32edea649c0c98438a7d3b590669c6c87
[INFO] running `Command { std: "docker" "start" "-a" "d484d4e8b4e7bae402aa4d2fc081c2a32edea649c0c98438a7d3b590669c6c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling shapes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_area` is never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Shape {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_area(&self) -> f32;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `radius` is never read
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Circle {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 20 |     origin: Coord,
[INFO] [stdout] 21 |     radius: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `side_a` and `side_b` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 24 |     origin: Coord,
[INFO] [stdout] 25 |     side_a: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     side_b: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base` and `height` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Triangle {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 29 |     origin: Coord,
[INFO] [stdout] 30 |     base: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     height: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove` and `get_area` are never used
[INFO] [stdout]   --> src/main.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Canvas {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn remove(&mut self, index: usize) -> ShapeObject {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn get_area(&self, index: usize) -> Option<f32> {
[INFO] [stdout]    |        ^^^^^^^^
[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/rustcMGvNdk/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcMGvNdk/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/shapes-a0e6cd47fea34100" "-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 and instructions to reproduce the bug.
[INFO] [stdout]           Stack dump:
[INFO] [stdout]           0.	Program arguments: /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-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/cc3ClHti.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/shapes-a0e6cd47fea34100 /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/opt/rustwide/target/debug/deps/rustcMGvNdk/raw-dylibs -L/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib -L/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-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/../../.. /opt/rustwide/target/debug/deps/rustcMGvNdk/symbols.o /opt/rustwide/target/debug/deps/shapes-a0e6cd47fea34100.shapes.fad893d30d2ae309-cgu.0.rcgu.o /opt/rustwide/target/debug/deps/shapes-a0e6cd47fea34100.shapes.fad893d30d2ae309-cgu.1.rcgu.o /opt/rustwide/target/debug/deps/shapes-a0e6cd47fea34100.a49x8s3oxwi5qcdawt6m1zua3.rcgu.o --as-needed -Bstatic /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5a57b0e7c034fbdd.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-f72f09af191eabb3.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-09fe113bad79334a.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-e0ef5a96119a0e95.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-f1f26ade6d092ff8.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-380c3a3b861b4298.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-cb70a736da92489f.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-359f6ff73f3db78c.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a3b69f3b16f6cb15.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-35de4b4feb159ff1.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c930aac1b2ad72ae.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-06667b6fb30c5ffb.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler2-09bc376ff1564b2e.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-540148ddfa51b83d.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0b9aea7d9584b326.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6f6b703e9d4ba746.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-cf1dfb9501594fc2.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-f7ebed5483babf29.rlib /opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5c0e3ca9af4350bf.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 0x000072d89534c417 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/libLLVM.so.22.1-rust-1.95.0-beta+0x5f4c417)
[INFO] [stdout]            #1 0x000072d89534cd0d SignalHandler(int, siginfo_t*, void*) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/libLLVM.so.22.1-rust-1.95.0-beta+0x5f4cd0d)
[INFO] [stdout]            #2 0x000072d88f233330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
[INFO] [stdout]            #3 0x000057882639994b void lld::elf::writeResult<llvm::object::ELFType<(llvm::endianness)1, true>>(lld::elf::Ctx&) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x5ae94b)
[INFO] [stdout]            #4 0x00005788261725b5 void lld::elf::LinkerDriver::link<llvm::object::ELFType<(llvm::endianness)1, true>>(llvm::opt::InputArgList&) Driver.cpp:0:0
[INFO] [stdout]            #5 0x000057882614e4dc lld::elf::LinkerDriver::linkerMain(llvm::ArrayRef<char const*>) Driver.cpp:0:0
[INFO] [stdout]            #6 0x000057882614931e lld::elf::link(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, bool, bool) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x35e31e)
[INFO] [stdout]            #7 0x000057882604f105 lld::unsafeLldMain(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, llvm::ArrayRef<lld::DriverDef>, bool) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x264105)
[INFO] [stdout]            #8 0x000057882604e230 lld_main(int, char**, llvm::ToolContext const&) (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x263230)
[INFO] [stdout]            #9 0x000057882604e8a1 main (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x2638a1)
[INFO] [stdout]           #10 0x000072d88f2181ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
[INFO] [stdout]           #11 0x000072d88f21828b __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
[INFO] [stdout]           #12 0x0000578825ed1189 _start (/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0xe6189)
[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 `shapes` (bin "shapes") due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d484d4e8b4e7bae402aa4d2fc081c2a32edea649c0c98438a7d3b590669c6c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d484d4e8b4e7bae402aa4d2fc081c2a32edea649c0c98438a7d3b590669c6c87", kill_on_drop: false }`
[INFO] [stdout] d484d4e8b4e7bae402aa4d2fc081c2a32edea649c0c98438a7d3b590669c6c87
