[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] checking mattheww/microbit-blinkenlights against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattheww%2Fmicrobit-blinkenlights" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattheww/microbit-blinkenlights on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3765c702ee9120eaf20f74b6e428fe9006e2715cb37fa092a1ae62750fb4041a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3765c702ee9120eaf20f74b6e428fe9006e2715cb37fa092a1ae62750fb4041a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3765c702ee9120eaf20f74b6e428fe9006e2715cb37fa092a1ae62750fb4041a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3765c702ee9120eaf20f74b6e428fe9006e2715cb37fa092a1ae62750fb4041a", kill_on_drop: false }`
[INFO] [stdout] 3765c702ee9120eaf20f74b6e428fe9006e2715cb37fa092a1ae62750fb4041a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9db74522eb01bf7b8107a16f4fdc54377c3c7552fc5506652cdda68758c2f30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9db74522eb01bf7b8107a16f4fdc54377c3c7552fc5506652cdda68758c2f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]    Compiling nrf51 v0.7.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rtfm-core v0.3.0
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.3
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking cortex-m v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling rtfm-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.1
[INFO] [stderr]     Checking cortex-m-rt v0.6.15
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 3 warnings emitted
[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/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: 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/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: 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: 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: 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_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: 2 warnings emitted
[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] 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 `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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.27s
[INFO] running `Command { std: "docker" "inspect" "e9db74522eb01bf7b8107a16f4fdc54377c3c7552fc5506652cdda68758c2f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9db74522eb01bf7b8107a16f4fdc54377c3c7552fc5506652cdda68758c2f30", kill_on_drop: false }`
[INFO] [stdout] e9db74522eb01bf7b8107a16f4fdc54377c3c7552fc5506652cdda68758c2f30