[INFO] updating cached repository jvff/rust-things-gateway-adapter-ipc-test [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jvff/rust-things-gateway-adapter-ipc-test [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jvff/rust-things-gateway-adapter-ipc-test" "work/ex/beta-1.37-6/sources/1.36.0/gh/jvff/rust-things-gateway-adapter-ipc-test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jvff/rust-things-gateway-adapter-ipc-test'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jvff/rust-things-gateway-adapter-ipc-test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jvff/rust-things-gateway-adapter-ipc-test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jvff/rust-things-gateway-adapter-ipc-test'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a7d6fb20e3ed86389e381f7cffe0cea38819c35f [INFO] sha for GitHub repo jvff/rust-things-gateway-adapter-ipc-test: a7d6fb20e3ed86389e381f7cffe0cea38819c35f [INFO] validating manifest of jvff/rust-things-gateway-adapter-ipc-test 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 jvff/rust-things-gateway-adapter-ipc-test 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 jvff/rust-things-gateway-adapter-ipc-test [INFO] finished frobbing jvff/rust-things-gateway-adapter-ipc-test [INFO] frobbed toml for jvff/rust-things-gateway-adapter-ipc-test written to work/ex/beta-1.37-6/sources/1.36.0/gh/jvff/rust-things-gateway-adapter-ipc-test/Cargo.toml [INFO] started frobbing jvff/rust-things-gateway-adapter-ipc-test [INFO] finished frobbing jvff/rust-things-gateway-adapter-ipc-test [INFO] frobbed toml for jvff/rust-things-gateway-adapter-ipc-test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jvff/rust-things-gateway-adapter-ipc-test/Cargo.toml [INFO] crate jvff/rust-things-gateway-adapter-ipc-test 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jvff/rust-things-gateway-adapter-ipc-test against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jvff/rust-things-gateway-adapter-ipc-test:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] fbfc701a9c33e6e129bbfcafbbfd490f2026e5dc3a7a06e8e47a064cf81eb84b [INFO] running `"docker" "start" "-a" "fbfc701a9c33e6e129bbfcafbbfd490f2026e5dc3a7a06e8e47a064cf81eb84b"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling nanomsg-sys v0.7.2 [INFO] [stderr] Compiling nanomsg v0.7.2 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling rust-gateway v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | endpoint.shutdown(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:159:5 [INFO] [stderr] | [INFO] [stderr] 159 | endpoint.shutdown(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `endpoint` [INFO] [stderr] --> src/main.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut endpoint = socket [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `endpoint` [INFO] [stderr] --> src/main.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let mut endpoint = socket [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_endpoint` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut endpoint = socket [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:141:9 [INFO] [stderr] | [INFO] [stderr] 141 | let mut endpoint = socket [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | socket.write_all(reply_message.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | endpoint.shutdown(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:159:5 [INFO] [stderr] | [INFO] [stderr] 159 | endpoint.shutdown(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.rust_gateway.dz3sefdi-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e" "/opt/crater/target/debug/deps/rust_gateway-83e851eebd6fc94e.8ae9h87usndjaqy.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/local/lib" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libserde_json-72022231db573b0a.rlib" "/opt/crater/target/debug/deps/libryu-0a79168f3ba04445.rlib" "/opt/crater/target/debug/deps/libitoa-5ac5fbad12f6c895.rlib" "/opt/crater/target/debug/deps/libserde-00978d6e0e7eeae0.rlib" "/opt/crater/target/debug/deps/libnanomsg-7fd25cdd0f1ce176.rlib" "/opt/crater/target/debug/deps/libnanomsg_sys-53164b8404578353.rlib" "/opt/crater/target/debug/deps/liblibc-136f876c45e09ff6.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lnanomsg" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lnanomsg [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 `rust-gateway`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "fbfc701a9c33e6e129bbfcafbbfd490f2026e5dc3a7a06e8e47a064cf81eb84b"` [INFO] running `"docker" "rm" "-f" "fbfc701a9c33e6e129bbfcafbbfd490f2026e5dc3a7a06e8e47a064cf81eb84b"` [INFO] [stdout] fbfc701a9c33e6e129bbfcafbbfd490f2026e5dc3a7a06e8e47a064cf81eb84b