[INFO] fetching crate rust-mpfr 0.1.7...
[INFO] testing rust-mpfr-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rust-mpfr 0.1.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rust-mpfr 0.1.7
[INFO] finished tweaking crates.io crate rust-mpfr 0.1.7
[INFO] tweaked toml for crates.io crate rust-mpfr 0.1.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mpfr 0.1.7 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding rust-gmp v0.3.2 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c34f5d9bad3d61f498022994572947ed0b2344aee03bd441ebb1c0ef4a872b
[INFO] running `Command { std: "docker" "start" "-a" "e3c34f5d9bad3d61f498022994572947ed0b2344aee03bd441ebb1c0ef4a872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c34f5d9bad3d61f498022994572947ed0b2344aee03bd441ebb1c0ef4a872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c34f5d9bad3d61f498022994572947ed0b2344aee03bd441ebb1c0ef4a872b", kill_on_drop: false }`
[INFO] [stdout] e3c34f5d9bad3d61f498022994572947ed0b2344aee03bd441ebb1c0ef4a872b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362553ea5248c43a31ba211bf7e28a9ef5d64bcd2ab61a2c972d80f49c7361da
[INFO] running `Command { std: "docker" "start" "-a" "362553ea5248c43a31ba211bf7e28a9ef5d64bcd2ab61a2c972d80f49c7361da", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rust-gmp v0.3.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rust-mpfr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpfr.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/mpfr.rs:1224:17
[INFO] [stdout]      |
[INFO] [stdout] 1224 |         let s = try!(d.read_str());
[INFO] [stdout]      |                 ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mpfr.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::mem::uninitialized;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpfr.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let mut mpfr = uninitialized();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpfr.rs:177:28
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut mpfr = uninitialized();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpfr_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpfr.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let mut mpfr = uninitialized();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this code causes undefined behavior when executed
[INFO] [stdout]     |                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/mpfr.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 |     _mpfr_prec: mpfr_prec_t,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `mpfr_struct` does not permit being left uninitialized
[INFO] [stdout]    --> src/mpfr.rs:177:28
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut mpfr = uninitialized();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this code causes undefined behavior when executed
[INFO] [stdout]     |                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/mpfr.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 |     _mpfr_prec: mpfr_prec_t,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-Wl,--version-script=/tmp/rustctFWaGM/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustctFWaGM/symbols.o" "<1 object files omitted>" "/tmp/rustctFWaGM/rmeta.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lmpfr" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librustc_serialize-35acc58d1f5921cf,libgmp-d775802c9f66922f,liblibc-7a54cdb917ea7291}.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" "-lgmp" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustctFWaGM/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/librust_mpfr.so" "-shared" "-Wl,-soname=librust_mpfr.so" "-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: unable to find library -lmpfr
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-mpfr` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "362553ea5248c43a31ba211bf7e28a9ef5d64bcd2ab61a2c972d80f49c7361da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362553ea5248c43a31ba211bf7e28a9ef5d64bcd2ab61a2c972d80f49c7361da", kill_on_drop: false }`
[INFO] [stdout] 362553ea5248c43a31ba211bf7e28a9ef5d64bcd2ab61a2c972d80f49c7361da
