[INFO] updating cached repository https://github.com/pwarren/rtl-entropy-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78e3f5f14a504da20147e437049744f8310fc27e
[INFO] testing pwarren/rtl-entropy-rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwarren/rtl-entropy-rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] b9f2fe3b066eda3b951ff38b7b6d0e7832e433957347aae8ca71fb2470ce9960
[INFO] running `"docker" "start" "-a" "b9f2fe3b066eda3b951ff38b7b6d0e7832e433957347aae8ca71fb2470ce9960"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling serde v1.0.10
[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/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.rtl_entropy_rs.301osh0c-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-29a2b0313db8e621.31kqoqiym9od1ch1.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/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsodiumoxide-6f261d08a18e5713.rlib" "/opt/rustwide/target/debug/deps/libserde-d094d67d3ad8d0c5.rlib" "/opt/rustwide/target/debug/deps/liblibsodium_sys-73ac2278338e8ddf.rlib" "/opt/rustwide/target/debug/deps/liblibc-e3f83089942ed07d.rlib" "/opt/rustwide/target/debug/deps/libbitstream_io-3867f234ae26ccf6.rlib" "/opt/rustwide/target/debug/deps/libargparse-28430c5036e29e9a.rlib" "/opt/rustwide/target/debug/deps/librtlsdr-b5ac9695c6476038.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-62f93208e14fa8f0.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b2c4dbe979cef5e2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8b9b66cb3e9f891d.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5998b08bf29f56ac.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-efd1670396ccb585.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6435b9209e888961.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-866e5dfb603b34d2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-75eac3089695b3b4.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-35744537b4825584.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f7ee5081d96fb2cd.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-5b28479cb639d76c.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.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" "b9f2fe3b066eda3b951ff38b7b6d0e7832e433957347aae8ca71fb2470ce9960"`
[INFO] running `"docker" "rm" "-f" "b9f2fe3b066eda3b951ff38b7b6d0e7832e433957347aae8ca71fb2470ce9960"`
[INFO] [stdout] b9f2fe3b066eda3b951ff38b7b6d0e7832e433957347aae8ca71fb2470ce9960