[INFO] cloning repository https://github.com/pwarren/rtl-entropy-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pwarren/rtl-entropy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78e3f5f14a504da20147e437049744f8310fc27e
[INFO] testing pwarren/rtl-entropy-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwarren/rtl-entropy-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pwarren/rtl-entropy-rs
[INFO] finished tweaking git repo https://github.com/pwarren/rtl-entropy-rs
[INFO] tweaked toml for git repo https://github.com/pwarren/rtl-entropy-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pwarren/rtl-entropy-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtl-sdr v0.1.5
[INFO] [stderr]   Downloaded bitstream-io v0.6.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2051111eaa9796ce6a68fe84932d8f92b00005f4abee47fb6abc7c32a09f9b85
[INFO] running `"docker" "start" "-a" "2051111eaa9796ce6a68fe84932d8f92b00005f4abee47fb6abc7c32a09f9b85"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling rtl-sdr v0.1.5
[INFO] [stderr]    Compiling bitstream-io v0.6.1
[INFO] [stderr]    Compiling libsodium-sys v0.0.15
[INFO] [stderr]    Compiling sodiumoxide v0.0.15
[INFO] [stderr]    Compiling rtl-entropy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bit1`
[INFO] [stderr]    --> src/main.rs:226:21
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 let bit1 = match bit1 {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bit1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bit1`
[INFO] [stderr]    --> src/main.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let bit1 = match bit1 {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bit1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/main.rs:391:20
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let (data, count, err) = dev.read_sync(rtlsdr::DEFAULT_BUF_LENGTH);
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[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-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.rtl_entropy_rs.beu6iu0e-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-e7949996ee4d0f9b.25ksdlcclxgbtuwo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsodiumoxide-2fd93581936fd833.rlib" "/opt/rustwide/target/debug/deps/libserde-8116332e30666c3f.rlib" "/opt/rustwide/target/debug/deps/liblibsodium_sys-5306d6cf682529ca.rlib" "/opt/rustwide/target/debug/deps/liblibc-97b2be9b0c3986af.rlib" "/opt/rustwide/target/debug/deps/libbitstream_io-8c8ed1a2bbccae39.rlib" "/opt/rustwide/target/debug/deps/libargparse-612ba8b13c14b13d.rlib" "/opt/rustwide/target/debug/deps/librtlsdr-b87910b070f2a2d8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lsodium" "-lutil" "-lrtlsdr" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rtl-entropy-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2051111eaa9796ce6a68fe84932d8f92b00005f4abee47fb6abc7c32a09f9b85"`
[INFO] running `"docker" "rm" "-f" "2051111eaa9796ce6a68fe84932d8f92b00005f4abee47fb6abc7c32a09f9b85"`
[INFO] [stdout] 2051111eaa9796ce6a68fe84932d8f92b00005f4abee47fb6abc7c32a09f9b85