[INFO] cloning repository https://github.com/jvff/rust-things-gateway-adapter-ipc-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvff/rust-things-gateway-adapter-ipc-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Frust-things-gateway-adapter-ipc-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Frust-things-gateway-adapter-ipc-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7d6fb20e3ed86389e381f7cffe0cea38819c35f
[INFO] testing jvff/rust-things-gateway-adapter-ipc-test against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvff%2Frust-things-gateway-adapter-ipc-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jvff/rust-things-gateway-adapter-ipc-test on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jvff/rust-things-gateway-adapter-ipc-test
[INFO] finished tweaking git repo https://github.com/jvff/rust-things-gateway-adapter-ipc-test
[INFO] tweaked toml for git repo https://github.com/jvff/rust-things-gateway-adapter-ipc-test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jvff/rust-things-gateway-adapter-ipc-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded cmake v0.1.35
[INFO] [stderr]   Downloaded nanomsg-sys v0.7.2
[INFO] [stderr]   Downloaded nanomsg v0.7.2
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01f7da1f5e2209465acbe0a65bd9a1e4a742a267313ba7fa68431784701d7f19
[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" "01f7da1f5e2209465acbe0a65bd9a1e4a742a267313ba7fa68431784701d7f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f7da1f5e2209465acbe0a65bd9a1e4a742a267313ba7fa68431784701d7f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f7da1f5e2209465acbe0a65bd9a1e4a742a267313ba7fa68431784701d7f19", kill_on_drop: false }`
[INFO] [stdout] 01f7da1f5e2209465acbe0a65bd9a1e4a742a267313ba7fa68431784701d7f19
[INFO] running `Command { std: "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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4ce61a4ec72b34f8f22ca1503ceb5012166b35a0e4856fab5dc1e52913e4a0
[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" "fe4ce61a4ec72b34f8f22ca1503ceb5012166b35a0e4856fab5dc1e52913e4a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling nanomsg-sys v0.7.2
[INFO] [stderr]    Compiling nanomsg v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling rust-gateway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     loop {
[INFO] [stdout] 109 | |         socket
[INFO] [stdout] 110 | |             .read_to_string(&mut message)
[INFO] [stdout] 111 | |             .expect("Failed to read from socket");
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |         message.clear();
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 135 | 
[INFO] [stdout] 136 |       endpoint.shutdown();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | /     loop {
[INFO] [stdout] 147 | |         socket
[INFO] [stdout] 148 | |             .read_to_string(&mut message)
[INFO] [stdout] 149 | |             .expect("Failed to read from plugin socket");
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |         message.clear();
[INFO] [stdout] 157 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 158 | 
[INFO] [stdout] 159 |       endpoint.shutdown();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endpoint`
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut endpoint = socket
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endpoint`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endpoint`
[INFO] [stdout]    --> src/main.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut endpoint = socket
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endpoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut endpoint = socket
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut endpoint = socket
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         socket.write_all(reply_message.as_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     endpoint.shutdown();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     endpoint.shutdown();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.rust_gateway.c63aj20h-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5" "/opt/rustwide/target/debug/deps/rust_gateway-df6e8cbe6876c4c5.2xw3gj73twco3q52.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/local/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserde_json-268783e3e9c3d22a.rlib" "/opt/rustwide/target/debug/deps/libryu-00795f02af989001.rlib" "/opt/rustwide/target/debug/deps/libitoa-976ae10b2fc88251.rlib" "/opt/rustwide/target/debug/deps/libserde-e08d37b8ed81ef66.rlib" "/opt/rustwide/target/debug/deps/libnanomsg-7d05520ec1409a94.rlib" "/opt/rustwide/target/debug/deps/libnanomsg_sys-ea932569cb10cbe9.rlib" "/opt/rustwide/target/debug/deps/liblibc-9f120d1438bf7694.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lnanomsg" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lnanomsg
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-gateway`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fe4ce61a4ec72b34f8f22ca1503ceb5012166b35a0e4856fab5dc1e52913e4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4ce61a4ec72b34f8f22ca1503ceb5012166b35a0e4856fab5dc1e52913e4a0", kill_on_drop: false }`
[INFO] [stdout] fe4ce61a4ec72b34f8f22ca1503ceb5012166b35a0e4856fab5dc1e52913e4a0