[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] 1b2b9c54dadeeb107ffd4c342f83efa0459ae50d
[INFO] checking mattheww/microbit-blinkenlights against master#6fc0273b5a57eb78cc00841181113fda3e509478 for pr-112842-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattheww%2Fmicrobit-blinkenlights" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattheww/microbit-blinkenlights on toolchain 6fc0273b5a57eb78cc00841181113fda3e509478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30ff8a87f446458f96dc88319e28b9cd2c3063fe0bcfa439e9b2feb2dafc04b6
[INFO] running `Command { std: "docker" "start" "-a" "30ff8a87f446458f96dc88319e28b9cd2c3063fe0bcfa439e9b2feb2dafc04b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ff8a87f446458f96dc88319e28b9cd2c3063fe0bcfa439e9b2feb2dafc04b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff8a87f446458f96dc88319e28b9cd2c3063fe0bcfa439e9b2feb2dafc04b6", kill_on_drop: false }`
[INFO] [stdout] 30ff8a87f446458f96dc88319e28b9cd2c3063fe0bcfa439e9b2feb2dafc04b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6fc0273b5a57eb78cc00841181113fda3e509478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5246efa82ef1d56118a2527ca751e9fad95f2f7fa298adc7de4716a648dc749
[INFO] running `Command { std: "docker" "start" "-a" "b5246efa82ef1d56118a2527ca751e9fad95f2f7fa298adc7de4716a648dc749", kill_on_drop: false }`
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[INFO] [stderr]    Compiling semver v1.0.17
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[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
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[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling nrf51 v0.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cortex-m-rtfm v0.5.3
[INFO] [stderr]    Compiling rmicrobit v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking rtfm-core v0.3.0
[INFO] [stderr]     Checking panic-semihosting v0.5.6
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[INFO] [stderr]     Checking as-slice v0.1.5
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[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.5.1
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[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 `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 `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: 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: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> examples/demo/demo.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |         10..=17 => (18 - frame_index),
[INFO] [stdout]    |                    ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -         10..=17 => (18 - frame_index),
[INFO] [stdout] 85 +         10..=17 => 18 - frame_index,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> examples/demo/demo.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         10..=17 => (18 - frame_index),
[INFO] [stdout]    |                    ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -         10..=17 => (18 - frame_index),
[INFO] [stdout] 94 +         10..=17 => 18 - frame_index,
[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/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: 1 warning emitted
[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: 1 warning emitted
[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: 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.22s
[INFO] running `Command { std: "docker" "inspect" "b5246efa82ef1d56118a2527ca751e9fad95f2f7fa298adc7de4716a648dc749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5246efa82ef1d56118a2527ca751e9fad95f2f7fa298adc7de4716a648dc749", kill_on_drop: false }`
[INFO] [stdout] b5246efa82ef1d56118a2527ca751e9fad95f2f7fa298adc7de4716a648dc749