[INFO] fetching crate rust-mpfr 0.1.7...
[INFO] testing rust-mpfr-0.1.7 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rust-mpfr 0.1.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust-mpfr 0.1.7 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-gmp v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04c345c4d1e6d20833dbfffb21545f37e945a2432c96121c6a418897aff6fe59
[INFO] running `Command { std: "docker" "start" "-a" "04c345c4d1e6d20833dbfffb21545f37e945a2432c96121c6a418897aff6fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c345c4d1e6d20833dbfffb21545f37e945a2432c96121c6a418897aff6fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c345c4d1e6d20833dbfffb21545f37e945a2432c96121c6a418897aff6fe59", kill_on_drop: false }`
[INFO] [stdout] 04c345c4d1e6d20833dbfffb21545f37e945a2432c96121c6a418897aff6fe59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96ce3f99a66d3350c7170e578dc95b539c80329651083ae4ff20d529aca0b9fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96ce3f99a66d3350c7170e578dc95b539c80329651083ae4ff20d529aca0b9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-gmp v0.3.2
[INFO] [stderr]    Compiling rust-mpfr v0.1.7 (/opt/rustwide/workdir)
[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:12:5
[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] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.95roiueq-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/librust_mpfr.so" "-Wl,--version-script=/tmp/rustc0OX2F9/list" "/opt/rustwide/target/debug/deps/rust_mpfr.4a1rh199gthkwwdy.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.3ohftr2j8g6m08iv.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/librustc_serialize-826df4b40c62d022.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libgmp-7188a55213bfc955.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/liblibc-e52aab25f5d90c7e.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libstd-3532beb752f910d7.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libpanic_unwind-3529ece450b7f3c6.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libminiz_oxide-23e8f582a6744f80.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libadler-5e7e0793b29cbf78.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libobject-253e0736424ceb78.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libaddr2line-b6fd484888124c85.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libgimli-cca4d20e4b53839c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/librustc_demangle-0a7401891c2a4f50.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libhashbrown-efbb25e073df787e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/librustc_std_workspace_alloc-25965457612624bc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libunwind-09058283ea779342.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libcfg_if-ab973dacc0513511.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/liblibc-b437d6640b1f764b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/liballoc-8cc0b2380206399c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/librustc_std_workspace_core-727cdf2b6a468113.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0OX2F9/libcore-cf4d442d877ea2f4.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustc0OX2F9/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lgmp" "-lgmp" "-lgmp" "-lgmp" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmpfr
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-mpfr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "96ce3f99a66d3350c7170e578dc95b539c80329651083ae4ff20d529aca0b9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ce3f99a66d3350c7170e578dc95b539c80329651083ae4ff20d529aca0b9fb", kill_on_drop: false }`
[INFO] [stdout] 96ce3f99a66d3350c7170e578dc95b539c80329651083ae4ff20d529aca0b9fb
