[INFO] crate linkbot 0.0.2 is already in cache [INFO] testing linkbot-0.0.2 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate linkbot 0.0.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate linkbot 0.0.2 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate linkbot 0.0.2 [INFO] finished tweaking crates.io crate linkbot 0.0.2 [INFO] tweaked toml for crates.io crate linkbot 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 87a854f5d82dcbfd892be68a294519ff61d960373563062162c31696ee26fe8e [INFO] running `"docker" "start" "-a" "87a854f5d82dcbfd892be68a294519ff61d960373563062162c31696ee26fe8e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling linkbot v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:27 [INFO] [stderr] | [INFO] [stderr] 65 | pub type ButtonCallback = FnMut(Button, ButtonState, u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Button, ButtonState, u32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:326:41 [INFO] [stderr] | [INFO] [stderr] 326 | ... cb: extern fn(i32, i32, i32, *mut Inner), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:327:47 [INFO] [stderr] | [INFO] [stderr] 327 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:329:42 [INFO] [stderr] | [INFO] [stderr] 329 | ... cb: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:330:48 [INFO] [stderr] | [INFO] [stderr] 330 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `"docker" "inspect" "87a854f5d82dcbfd892be68a294519ff61d960373563062162c31696ee26fe8e"` [INFO] running `"docker" "rm" "-f" "87a854f5d82dcbfd892be68a294519ff61d960373563062162c31696ee26fe8e"` [INFO] [stdout] 87a854f5d82dcbfd892be68a294519ff61d960373563062162c31696ee26fe8e [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 7b6f6359e420bce2567fda97cc2d04a92c5d4e9de87c44120e8d772a1e594402 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "7b6f6359e420bce2567fda97cc2d04a92c5d4e9de87c44120e8d772a1e594402"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:27 [INFO] [stderr] | [INFO] [stderr] 65 | pub type ButtonCallback = FnMut(Button, ButtonState, u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Button, ButtonState, u32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:326:41 [INFO] [stderr] | [INFO] [stderr] 326 | ... cb: extern fn(i32, i32, i32, *mut Inner), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:327:47 [INFO] [stderr] | [INFO] [stderr] 327 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:329:42 [INFO] [stderr] | [INFO] [stderr] 329 | ... cb: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:330:48 [INFO] [stderr] | [INFO] [stderr] 330 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling linkbot v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:65:27 [INFO] [stderr] | [INFO] [stderr] 65 | pub type ButtonCallback = FnMut(Button, ButtonState, u32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Button, ButtonState, u32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `button` [INFO] [stderr] --> src/lib.rs:342:32 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state` [INFO] [stderr] --> src/lib.rs:342:40 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `timestamp` [INFO] [stderr] --> src/lib.rs:342:47 [INFO] [stderr] | [INFO] [stderr] 342 | l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp` [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:326:41 [INFO] [stderr] | [INFO] [stderr] 326 | ... cb: extern fn(i32, i32, i32, *mut Inner), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:327:47 [INFO] [stderr] | [INFO] [stderr] 327 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:329:42 [INFO] [stderr] | [INFO] [stderr] 329 | ... cb: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: `extern` block uses type `std::sync::Mutex`, which is not FFI-safe [INFO] [stderr] --> src/lib.rs:330:48 [INFO] [stderr] | [INFO] [stderr] 330 | ... userdata: *mut Inner) -> i32; [INFO] [stderr] | ^^^^^^^^^^ not FFI-safe [INFO] [stderr] | [INFO] [stderr] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stderr] = note: this struct has unspecified layout [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:342:9 [INFO] [stderr] | [INFO] [stderr] 342 | / l.set_button_handler( |button, state, timestamp| { [INFO] [stderr] 343 | | println!("Button press!"); [INFO] [stderr] 344 | | }); [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/lib.rs:347:9 [INFO] [stderr] | [INFO] [stderr] 347 | l.move_motors(7, 90.0, 90.0, 90.0); [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/lib.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | l.move_wait(7); [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/lib.rs:349:9 [INFO] [stderr] | [INFO] [stderr] 349 | l.move_motors(7, -90.0, -90.0, -90.0); [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/lib.rs:350:9 [INFO] [stderr] | [INFO] [stderr] 350 | l.move_wait(7); [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/lib.rs:351:9 [INFO] [stderr] | [INFO] [stderr] 351 | l.unset_button_handler(); [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/lib.rs:352:9 [INFO] [stderr] | [INFO] [stderr] 352 | l.set_buzzer_frequency(440.0); [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/lib.rs:354:9 [INFO] [stderr] | [INFO] [stderr] 354 | l.set_buzzer_frequency(0.0); [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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.linkbot.7nf47k4h-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e" "/opt/rustwide/target/debug/deps/linkbot-a3e5636329bde05e.3a2sbqivrg3uaoq1.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-llinkbot" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0a07979da1fa7aa2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-171ede43b21d034c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ea69ac8b5a0936d1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6be6d4d5d08eb152.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c718480fe68c7cec.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -llinkbot [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 16 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `linkbot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7b6f6359e420bce2567fda97cc2d04a92c5d4e9de87c44120e8d772a1e594402"` [INFO] running `"docker" "rm" "-f" "7b6f6359e420bce2567fda97cc2d04a92c5d4e9de87c44120e8d772a1e594402"` [INFO] [stdout] 7b6f6359e420bce2567fda97cc2d04a92c5d4e9de87c44120e8d772a1e594402