[INFO] cloning repository https://github.com/tivrfoa/rust-ffi-c-singly-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tivrfoa/rust-ffi-c-singly-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Frust-ffi-c-singly-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Frust-ffi-c-singly-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 139c7c08bc3bcf7678e379a7b66699ac636ae1e0
[INFO] testing tivrfoa/rust-ffi-c-singly-linked-list 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%2Ftivrfoa%2Frust-ffi-c-singly-linked-list" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tivrfoa/rust-ffi-c-singly-linked-list
[INFO] finished tweaking git repo https://github.com/tivrfoa/rust-ffi-c-singly-linked-list
[INFO] tweaked toml for git repo https://github.com/tivrfoa/rust-ffi-c-singly-linked-list written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tivrfoa/rust-ffi-c-singly-linked-list 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/tivrfoa/rust-ffi-c-singly-linked-list 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0e44648983fc9ed2df0178dcd8c076939fca6fcf42a0ac7471ab53407ba8bc3a
[INFO] running `Command { std: "docker" "start" "-a" "0e44648983fc9ed2df0178dcd8c076939fca6fcf42a0ac7471ab53407ba8bc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e44648983fc9ed2df0178dcd8c076939fca6fcf42a0ac7471ab53407ba8bc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e44648983fc9ed2df0178dcd8c076939fca6fcf42a0ac7471ab53407ba8bc3a", kill_on_drop: false }`
[INFO] [stdout] 0e44648983fc9ed2df0178dcd8c076939fca6fcf42a0ac7471ab53407ba8bc3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 77eb7875a4487a502cd8668537ab80dfb5dfcb7e26e26035c33962d0339ef749
[INFO] running `Command { std: "docker" "start" "-a" "77eb7875a4487a502cd8668537ab80dfb5dfcb7e26e26035c33962d0339ef749", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling ffi1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustckqJpKo/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "-lsll" "/opt/rustwide/target/debug/deps/liblibc-e97dc10e4d08f66c.rlib" "<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/rustckqJpKo/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" "/opt/rustwide/target/debug/build/ffi1-509ef2e8ecced22f/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ffi1-d5b33ceeb1d70f4a" "-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: rust-lld: error: duplicate symbol: main
[INFO] [stdout]           >>> defined at ffi1.64c54c8768060576-cgu.0
[INFO] [stdout]           >>>            /opt/rustwide/target/debug/deps/ffi1-d5b33ceeb1d70f4a.ffi1.64c54c8768060576-cgu.0.rcgu.o:(main)
[INFO] [stdout]           >>> defined at sll.c:103 (src/sll.c:103)
[INFO] [stdout]           >>>            ea708c7824d36062-sll.o:(.text.main+0x0) in archive /opt/rustwide/target/debug/build/ffi1-509ef2e8ecced22f/out/libsll.a
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ffi1` (bin "ffi1") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "77eb7875a4487a502cd8668537ab80dfb5dfcb7e26e26035c33962d0339ef749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77eb7875a4487a502cd8668537ab80dfb5dfcb7e26e26035c33962d0339ef749", kill_on_drop: false }`
[INFO] [stdout] 77eb7875a4487a502cd8668537ab80dfb5dfcb7e26e26035c33962d0339ef749
