[INFO] updating cached repository AnimatedRNG/skype-vpn [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AnimatedRNG/skype-vpn [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AnimatedRNG/skype-vpn" "work/ex/beta-1.37-6/sources/1.36.0/gh/AnimatedRNG/skype-vpn"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AnimatedRNG/skype-vpn'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AnimatedRNG/skype-vpn" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AnimatedRNG/skype-vpn"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AnimatedRNG/skype-vpn'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ae1979288b3ea993399676bc672c86e25715e0b4 [INFO] sha for GitHub repo AnimatedRNG/skype-vpn: ae1979288b3ea993399676bc672c86e25715e0b4 [INFO] validating manifest of AnimatedRNG/skype-vpn on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AnimatedRNG/skype-vpn on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AnimatedRNG/skype-vpn [INFO] finished frobbing AnimatedRNG/skype-vpn [INFO] frobbed toml for AnimatedRNG/skype-vpn written to work/ex/beta-1.37-6/sources/1.36.0/gh/AnimatedRNG/skype-vpn/Cargo.toml [INFO] started frobbing AnimatedRNG/skype-vpn [INFO] finished frobbing AnimatedRNG/skype-vpn [INFO] frobbed toml for AnimatedRNG/skype-vpn written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AnimatedRNG/skype-vpn/Cargo.toml [INFO] crate AnimatedRNG/skype-vpn already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/AnimatedRNG/skype-vpn/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing AnimatedRNG/skype-vpn against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AnimatedRNG/skype-vpn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 366a51c29cbbd71e4f35bfdaed6d213cd266d313d01d2b16df69ea67afc34b38 [INFO] running `"docker" "start" "-a" "366a51c29cbbd71e4f35bfdaed6d213cd266d313d01d2b16df69ea67afc34b38"` [INFO] [stderr] Compiling reed-solomon v0.2.1 [INFO] [stderr] Compiling skype-vpn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `server_tx` [INFO] [stderr] --> src/main.rs:314:10 [INFO] [stderr] | [INFO] [stderr] 314 | let (server_tx, server_rx) = handle_1_1_udp(server_sock, Some(socket_addr)); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_server_tx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `BitString` [INFO] [stderr] --> src/image_coder.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub type BitString = [u8; FRAME_LEN]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ImageBuffer` [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `create_image_buffer` [INFO] [stderr] --> src/image_coder.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn create_image_buffer(width: u16, height: u16, data: *mut u8) -> *mut ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `release_resources` [INFO] [stderr] --> src/image_coder.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn release_resources(buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `delete_handle` [INFO] [stderr] --> src/image_coder.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn delete_handle(buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `encode` [INFO] [stderr] --> src/image_coder.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn encode(input: *const BitString, write_buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `decode` [INFO] [stderr] --> src/image_coder.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn decode(output: *mut BitString, read_buffer: *const ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `MAX_UDP_PACKET_LEN` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | const MAX_UDP_PACKET_LEN: usize = 576; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `image_coder::ImageBuffer` which is not FFI-safe: this struct has no fields [INFO] [stderr] --> src/image_coder.rs:10:75 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn create_image_buffer(width: u16, height: u16, data: *mut u8) -> *mut ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(improper_ctypes)] on by default [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] note: type defined here [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `image_coder::ImageBuffer` which is not FFI-safe: this struct has no fields [INFO] [stderr] --> src/image_coder.rs:12:38 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn release_resources(buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] note: type defined here [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `image_coder::ImageBuffer` which is not FFI-safe: this struct has no fields [INFO] [stderr] --> src/image_coder.rs:14:34 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn delete_handle(buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] note: type defined here [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `image_coder::ImageBuffer` which is not FFI-safe: this struct has no fields [INFO] [stderr] --> src/image_coder.rs:16:58 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn encode(input: *const BitString, write_buffer: *mut ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] note: type defined here [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `image_coder::ImageBuffer` which is not FFI-safe: this struct has no fields [INFO] [stderr] --> src/image_coder.rs:18:56 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn decode(output: *mut BitString, read_buffer: *const ImageBuffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding a member to this struct [INFO] [stderr] note: type defined here [INFO] [stderr] --> src/image_coder.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ImageBuffer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.skype_vpn.cs55zeqp-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c" "/opt/crater/target/debug/deps/skype_vpn-03e9021cdff6b54c.1jcwfy34w1d07990.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lframecoder" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libreed_solomon-1d322f675a1829c7.rlib" "/opt/crater/target/debug/deps/libcrc-02de222e97c59c27.rlib" "/opt/crater/target/debug/deps/libbyteorder-066131f17ea0c99b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lframecoder [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 `skype-vpn`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "366a51c29cbbd71e4f35bfdaed6d213cd266d313d01d2b16df69ea67afc34b38"` [INFO] running `"docker" "rm" "-f" "366a51c29cbbd71e4f35bfdaed6d213cd266d313d01d2b16df69ea67afc34b38"` [INFO] [stdout] 366a51c29cbbd71e4f35bfdaed6d213cd266d313d01d2b16df69ea67afc34b38