[INFO] cloning repository https://github.com/mattheww/microbit-blinkenlights
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattheww/microbit-blinkenlights" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattheww%2Fmicrobit-blinkenlights", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattheww%2Fmicrobit-blinkenlights'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7769626e940a852009bdba3b81ad3c4cf00438d
[INFO] testing mattheww/microbit-blinkenlights against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattheww%2Fmicrobit-blinkenlights" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattheww/microbit-blinkenlights on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mattheww/microbit-blinkenlights
[INFO] finished tweaking git repo https://github.com/mattheww/microbit-blinkenlights
[INFO] tweaked toml for git repo https://github.com/mattheww/microbit-blinkenlights written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded nrf51-hal v0.7.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
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[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded rtfm-core v0.3.0
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.5.1
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded rtfm-syntax v0.4.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.5.3
[INFO] [stderr]   Downloaded nrf51 v0.7.0
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf2e7e28ee800726fb4fc95a6e012ce56a6512c11d29f3b2554653d626699fad
[INFO] running `Command { std: "docker" "start" "-a" "bf2e7e28ee800726fb4fc95a6e012ce56a6512c11d29f3b2554653d626699fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf2e7e28ee800726fb4fc95a6e012ce56a6512c11d29f3b2554653d626699fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2e7e28ee800726fb4fc95a6e012ce56a6512c11d29f3b2554653d626699fad", kill_on_drop: false }`
[INFO] [stdout] bf2e7e28ee800726fb4fc95a6e012ce56a6512c11d29f3b2554653d626699fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba43ec02411a26f7c8b697c8b2230abda5241a7c5f9b6bada45f54d16fe89747
[INFO] running `Command { std: "docker" "start" "-a" "ba43ec02411a26f7c8b697c8b2230abda5241a7c5f9b6bada45f54d16fe89747", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]    Compiling nrf51 v0.7.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tiny-led-matrix v1.0.2
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling nrf51-hal v0.7.1
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/font.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ]};
[INFO] [stdout]    |       ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/image.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.48s
[INFO] running `Command { std: "docker" "inspect" "ba43ec02411a26f7c8b697c8b2230abda5241a7c5f9b6bada45f54d16fe89747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba43ec02411a26f7c8b697c8b2230abda5241a7c5f9b6bada45f54d16fe89747", kill_on_drop: false }`
[INFO] [stdout] ba43ec02411a26f7c8b697c8b2230abda5241a7c5f9b6bada45f54d16fe89747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ad26618ee4c2fd92c785e97e1b7f59bb4083ce6cf7a65fb2038b0e6a3e8688
[INFO] running `Command { std: "docker" "start" "-a" "69ad26618ee4c2fd92c785e97e1b7f59bb4083ce6cf7a65fb2038b0e6a3e8688", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling rtfm-core v0.3.0
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.3
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/font.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ]};
[INFO] [stdout]    |       ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/image.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.1
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/scroll_images.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_display_port.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn init(cx: init::Context) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `handle_buttons`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_single_button_monitor.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |            spawn = [handle_buttons],
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_single_button_monitor.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `handle_buttons`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_dual_button_monitor.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |            spawn = [handle_buttons],
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_dual_button_monitor.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> examples/demo/animation.rs:68:80
[INFO] [stdout]    |
[INFO] [stdout] 68 |             fn blank(_index: usize) -> GreyscaleImage {GreyscaleImage::blank()};
[INFO] [stdout]    |                                                                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `handle_buttons`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/demo/main.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 |            spawn = [handle_buttons],
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/demo/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/heartbeat.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/scroll_images.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         &cx.resources.anim_timer.clear_tick_event();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/scroll_text.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `width` should have an upper camel case name
[INFO] [stdout]   --> src/buttons/monitors/holding.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type width: PartialOrd + AddAssign + Copy;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/font.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ]};
[INFO] [stdout]    |       ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/graphics/image.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/demo/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         &cx.resources.anim_timer.clear_tick_event();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `handle_buttons`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_core_buttons.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |            spawn = [handle_buttons],
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `init`: cortex-m-rtfm has been renamed and is deprecated, use cortex-m-rtic instead.
[INFO] [stdout]   --> examples/use_core_buttons.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn init(cx: init::Context) -> init::LateResources {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/scroll_text.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         &cx.resources.anim_timer.clear_tick_event();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> examples/heartbeat.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         &cx.resources.anim_timer.clear_tick_event();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.4ru7f9oqsrjfcxw5.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.12.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.12.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/heartbeat-cf3bdd059fe4efb8.heartbeat.eea86c25-cgu.8.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmicrobit` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.40z46f6chsnr91qx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.0.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.0.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_display_port-f53939d5b1533b97.use_display_port.79f797c0-cgu.1.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.48gsmmmur2joxfh2.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.14.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.14.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_dual_button_monitor-cd2fccf8002a6f1d.use_dual_button_monitor.2a58de3e-cgu.5.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.2gzgl0exws8pex0u.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.10.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.14.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_text-cfc5d81918a8700e.scroll_text.cb090a2c-cgu.14.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.jf8567kmpxmxprb.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnumtoa-b5bdc6a05333a288.rlib" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/demo-838367a8c5bccebb" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.10.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.3.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/demo-838367a8c5bccebb.demo.232e113a-cgu.3.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.4g0nqgs4fej9nme7.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.10.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.14.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/scroll_images-157f2edc210b7b6a.scroll_images.0ccd2bce-cgu.14.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.1xpv0c0t56e147p0.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.11.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.11.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_core_buttons-9e2702b2f2e29d42.use_core_buttons.c83c858a-cgu.15.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.3ta9o1oyngd9oy41.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/rmicrobit-0aee48932e9e5e9a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-9a6c711bb1de6ec1/out" "-L" "/opt/rustwide/target/debug/build/nrf51-ff8ab215446ef447/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librmicrobit-c2ff502e42433862.rlib" "/opt/rustwide/target/debug/deps/libtiny_led_matrix-980008a14d3fc7d4.rlib" "/opt/rustwide/target/debug/deps/libnrf51_hal-1611fc0edc439634.rlib" "/opt/rustwide/target/debug/deps/libfpa-c6cda2a8a7d5fd2e.rlib" "/opt/rustwide/target/debug/deps/libcast-931ac4bab073f2a9.rlib" "/opt/rustwide/target/debug/deps/libnrf51-982517c4e195d21f.rlib" "/opt/rustwide/target/debug/deps/librtfm-ba617e7c909e4870.rlib" "/opt/rustwide/target/debug/deps/libheapless-dbf39acd9275c40e.rlib" "/opt/rustwide/target/debug/deps/libhash32-1b036e6b8e3c838b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-84627d465861af9b.rlib" "/opt/rustwide/target/debug/deps/librtfm_core-82d9d7973563a22d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-c473f038bd6e8583.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-beb0800e09906fd9.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-4ab2e24a700346a9.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-fe2c9dddbbd7afee.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libaligned-9f57ab98c51fe185.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-bdf562f9efe085e7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.11.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.11.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/use_single_button_monitor-8044b88f5b278da7.use_single_button_monitor.f23a5cf1-cgu.15.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:55: undefined reference to `__wfi'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "69ad26618ee4c2fd92c785e97e1b7f59bb4083ce6cf7a65fb2038b0e6a3e8688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ad26618ee4c2fd92c785e97e1b7f59bb4083ce6cf7a65fb2038b0e6a3e8688", kill_on_drop: false }`
[INFO] [stdout] 69ad26618ee4c2fd92c785e97e1b7f59bb4083ce6cf7a65fb2038b0e6a3e8688
