[INFO] crate rtl-sdr 0.1.5 is already in cache
[INFO] testing rtl-sdr-0.1.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rtl-sdr 0.1.5 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate rtl-sdr 0.1.5 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rtl-sdr 0.1.5
[INFO] finished tweaking crates.io crate rtl-sdr 0.1.5
[INFO] tweaked toml for crates.io crate rtl-sdr 0.1.5 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /big/crater/work/builds/worker-5/source/examples/ex1.rs
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] cfd3fee009c3065013c5b17704486b57abca6e026f0143ba41c4dedcaa0b22e5
[INFO] running `"docker" "start" "-a" "cfd3fee009c3065013c5b17704486b57abca6e026f0143ba41c4dedcaa0b22e5"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/ex1.rs
[INFO] [stderr]    Compiling rtl-sdr v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/ex1.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let (m, p, s, mut err) = dev.get_usb_strings();
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/ex1.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let (mut hw_info, mut err) = dev.get_hw_info();
[INFO] [stderr]    |          ----^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.ex1.6lgkz6e5-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480" "/opt/rustwide/target/debug/deps/ex1-40de4c155dcac480.5cg34s69ffw0vcet.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librtlsdr-7a52a48df2d9c3d8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lrtlsdr" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lrtlsdr
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rtl-sdr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cfd3fee009c3065013c5b17704486b57abca6e026f0143ba41c4dedcaa0b22e5"`
[INFO] running `"docker" "rm" "-f" "cfd3fee009c3065013c5b17704486b57abca6e026f0143ba41c4dedcaa0b22e5"`
[INFO] [stdout] cfd3fee009c3065013c5b17704486b57abca6e026f0143ba41c4dedcaa0b22e5