[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwarren%2Frtl-entropy-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwarren/rtl-entropy-rs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsodium-sys v0.0.15
[INFO] [stderr]   Downloaded sodiumoxide v0.0.15
[INFO] [stderr]   Downloaded bitstream-io v0.6.1
[INFO] [stderr]   Downloaded rtl-sdr v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ea86eff83fec69ce6257a344271a0ec9fcecaf213cb0eb320832cf77d8a382
[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" "73ea86eff83fec69ce6257a344271a0ec9fcecaf213cb0eb320832cf77d8a382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ea86eff83fec69ce6257a344271a0ec9fcecaf213cb0eb320832cf77d8a382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ea86eff83fec69ce6257a344271a0ec9fcecaf213cb0eb320832cf77d8a382", kill_on_drop: false }`
[INFO] [stdout] 73ea86eff83fec69ce6257a344271a0ec9fcecaf213cb0eb320832cf77d8a382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb28b7b4f09c3ca74fc2d86476052924925c56d81f6114f204d3409b3b6a29e
[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" "3cb28b7b4f09c3ca74fc2d86476052924925c56d81f6114f204d3409b3b6a29e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 bitstream-io v0.6.1
[INFO] [stderr]    Compiling rtl-sdr v0.1.5
[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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.rtl_entropy_rs.39omohiv-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e" "/opt/rustwide/target/debug/deps/rtl_entropy_rs-9475d1aea049df7e.40k6j95cy42rg7q6.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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsodiumoxide-77b56f9c21debca0.rlib" "/opt/rustwide/target/debug/deps/libserde-163b96bbc08a71c6.rlib" "/opt/rustwide/target/debug/deps/liblibsodium_sys-cab9e0fa11039cbc.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e4b36f5ac291ae0.rlib" "/opt/rustwide/target/debug/deps/libbitstream_io-9912f9caab84fb81.rlib" "/opt/rustwide/target/debug/deps/libargparse-6c2bff0dffe5630b.rlib" "/opt/rustwide/target/debug/deps/librtlsdr-22069b5191c7bc85.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lsodium" "-lutil" "-lrtlsdr" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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" "3cb28b7b4f09c3ca74fc2d86476052924925c56d81f6114f204d3409b3b6a29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb28b7b4f09c3ca74fc2d86476052924925c56d81f6114f204d3409b3b6a29e", kill_on_drop: false }`
[INFO] [stdout] 3cb28b7b4f09c3ca74fc2d86476052924925c56d81f6114f204d3409b3b6a29e