[INFO] cloning repository https://github.com/NotaCSstudent/rstocpptopy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NotaCSstudent/rstocpptopy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotaCSstudent%2Frstocpptopy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotaCSstudent%2Frstocpptopy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77f47f2e80aaf7a89b3170aa91ab4617b0e7a2ab [INFO] testing NotaCSstudent/rstocpptopy/77f47f2e80aaf7a89b3170aa91ab4617b0e7a2ab against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotaCSstudent%2Frstocpptopy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NotaCSstudent/rstocpptopy on toolchain 1.81.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NotaCSstudent/rstocpptopy [INFO] finished tweaking git repo https://github.com/NotaCSstudent/rstocpptopy [INFO] tweaked toml for git repo https://github.com/NotaCSstudent/rstocpptopy written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NotaCSstudent/rstocpptopy 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20beb9ac01e84ae447ebde9bcd777282f3557a7b985f4aea5a424d17b91f92e6 [INFO] running `Command { std: "docker" "start" "-a" "20beb9ac01e84ae447ebde9bcd777282f3557a7b985f4aea5a424d17b91f92e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20beb9ac01e84ae447ebde9bcd777282f3557a7b985f4aea5a424d17b91f92e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20beb9ac01e84ae447ebde9bcd777282f3557a7b985f4aea5a424d17b91f92e6", kill_on_drop: false }` [INFO] [stdout] 20beb9ac01e84ae447ebde9bcd777282f3557a7b985f4aea5a424d17b91f92e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f0edaab5a2c6dfbf05d9648fff75cf522fe2be08a697a0ff0b7b9abd4f93ff3 [INFO] running `Command { std: "docker" "start" "-a" "6f0edaab5a2c6dfbf05d9648fff75cf522fe2be08a697a0ff0b7b9abd4f93ff3", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling random v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: random@0.1.0: bar.cpp: In function 'void bar()': [INFO] [stderr] warning: random@0.1.0: bar.cpp:6:10: warning: unused variable 'fds' [-Wunused-variable] [INFO] [stderr] warning: random@0.1.0: 6 | char fds = 'e'; [INFO] [stderr] warning: random@0.1.0: | ^~~ [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "6f0edaab5a2c6dfbf05d9648fff75cf522fe2be08a697a0ff0b7b9abd4f93ff3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f0edaab5a2c6dfbf05d9648fff75cf522fe2be08a697a0ff0b7b9abd4f93ff3", kill_on_drop: false }` [INFO] [stdout] 6f0edaab5a2c6dfbf05d9648fff75cf522fe2be08a697a0ff0b7b9abd4f93ff3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ec2f3f3fe7fc23197e747b2844282afb863fe49d5e66b97f2e0b0696ef18715 [INFO] running `Command { std: "docker" "start" "-a" "3ec2f3f3fe7fc23197e747b2844282afb863fe49d5e66b97f2e0b0696ef18715", kill_on_drop: false }` [INFO] [stderr] warning: random@0.1.0: bar.cpp: In function 'void bar()': [INFO] [stderr] warning: random@0.1.0: bar.cpp:6:10: warning: unused variable 'fds' [-Wunused-variable] [INFO] [stderr] warning: random@0.1.0: 6 | char fds = 'e'; [INFO] [stderr] warning: random@0.1.0: | ^~~ [INFO] [stderr] Compiling random v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcCV6PqJ/symbols.o" "/opt/rustwide/target/debug/deps/random-e21d047572854997.random.e0ea1d1692f8be4b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/random-e21d047572854997.d6ofkjcrvogfrk1jhfverx00q.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/random-3eca9fb2964963fd/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "-lbar" "-Wl,--no-whole-archive" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-b5e463c23b8ef446.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-d795265b28c533b0.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-21a4fa98f97aa691.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-5ae8eb979b2ca3d3.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1c4b19562077c20d.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-85a631ebc91746e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-fdace1a0b4cda412.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-e5c28d21823e9a85.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1e0edbcd516a8cce.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-77a1dc5e8fb357d6.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-8c9d2edb6dff139f.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ecadd85ae8bacc0c.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-67895a0c8dd8130b.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5b4263e767961458.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-4f03d5a171522141.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9e4e8543de06315e.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-7fc51dfce9c057eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-7ec98a9b1cc1792f.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-2f9b4333f6d32438.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6fe0262c36c500a.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a862c0b1c86f483.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-500f37ee5bcf0ffe.rlib" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-06dfbf1de02fde3b.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/random-e21d047572854997" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/build/random-3eca9fb2964963fd/out/libbar.a(bar.o): in function `__static_initialization_and_destruction_0(int, int)': [INFO] [stdout] /usr/include/c++/11/iostream:74: undefined reference to `std::ios_base::Init::Init()' [INFO] [stdout] /usr/bin/ld: /usr/include/c++/11/iostream:74: undefined reference to `std::ios_base::Init::~Init()' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: random@0.1.0: bar.cpp: In function 'void bar()': [INFO] [stderr] warning: random@0.1.0: bar.cpp:6:10: warning: unused variable 'fds' [-Wunused-variable] [INFO] [stderr] warning: random@0.1.0: 6 | char fds = 'e'; [INFO] [stderr] warning: random@0.1.0: | ^~~ [INFO] [stderr] [INFO] [stderr] error: could not compile `random` (bin "random" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3ec2f3f3fe7fc23197e747b2844282afb863fe49d5e66b97f2e0b0696ef18715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec2f3f3fe7fc23197e747b2844282afb863fe49d5e66b97f2e0b0696ef18715", kill_on_drop: false }` [INFO] [stdout] 3ec2f3f3fe7fc23197e747b2844282afb863fe49d5e66b97f2e0b0696ef18715