[INFO] cloning repository https://github.com/pwarren/rtl-entropy-rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f6c10ce7dd7fa07e059e80190287a15bc704d09
[INFO] testing pwarren/rtl-entropy-rs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwarren/rtl-entropy-rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f651e2964ebfc0d46ae1a0835bd186054d6575ab81783a656ff3f1f996bd585
[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" "7f651e2964ebfc0d46ae1a0835bd186054d6575ab81783a656ff3f1f996bd585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f651e2964ebfc0d46ae1a0835bd186054d6575ab81783a656ff3f1f996bd585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f651e2964ebfc0d46ae1a0835bd186054d6575ab81783a656ff3f1f996bd585", kill_on_drop: false }`
[INFO] [stdout] 7f651e2964ebfc0d46ae1a0835bd186054d6575ab81783a656ff3f1f996bd585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bbfdcb11933c6b05c80c9278924b4e0b342d03ed43d7a482e65a66e536a86fa
[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" "1bbfdcb11933c6b05c80c9278924b4e0b342d03ed43d7a482e65a66e536a86fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[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] [stdout] warning: unused variable: `bit1`
[INFO] [stdout]    --> src/main.rs:226:21
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let bit1 = match bit1 {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bit1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bit1`
[INFO] [stdout]    --> src/main.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let bit1 = match bit1 {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_bit1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/main.rs:391:20
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let (data, count, err) = dev.read_sync(rtlsdr::DEFAULT_BUF_LENGTH);
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.rtl_entropy_rs.468upi45-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-2c8fe467f6c38851.3u62ntq80vp299ew.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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsodiumoxide-42c2c04246e7d65f.rlib" "/opt/rustwide/target/debug/deps/libserde-eae72f6b32c4ce4a.rlib" "/opt/rustwide/target/debug/deps/liblibsodium_sys-dd180a4bd5ab73f1.rlib" "/opt/rustwide/target/debug/deps/liblibc-0a783a61aafd358b.rlib" "/opt/rustwide/target/debug/deps/libbitstream_io-efe3aa2649391832.rlib" "/opt/rustwide/target/debug/deps/libargparse-976eb62b243e6949.rlib" "/opt/rustwide/target/debug/deps/librtlsdr-df463f9738063fbe.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lsodium" "-lutil" "-lrtlsdr" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lrtlsdr
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtl-entropy-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1bbfdcb11933c6b05c80c9278924b4e0b342d03ed43d7a482e65a66e536a86fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbfdcb11933c6b05c80c9278924b4e0b342d03ed43d7a482e65a66e536a86fa", kill_on_drop: false }`
[INFO] [stdout] 1bbfdcb11933c6b05c80c9278924b4e0b342d03ed43d7a482e65a66e536a86fa
