[INFO] cloning repository https://github.com/Congyuwang/microbit-tug-of-war [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Congyuwang/microbit-tug-of-war" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2Fmicrobit-tug-of-war", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2Fmicrobit-tug-of-war'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7632ce0e5433cfd4ded669845258ca18d7cd4885 [INFO] checking Congyuwang/microbit-tug-of-war against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2Fmicrobit-tug-of-war" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Congyuwang/microbit-tug-of-war on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Congyuwang/microbit-tug-of-war [INFO] finished tweaking git repo https://github.com/Congyuwang/microbit-tug-of-war [INFO] tweaked toml for git repo https://github.com/Congyuwang/microbit-tug-of-war written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Congyuwang/microbit-tug-of-war already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded critical-section v0.2.8 [INFO] [stderr] Downloaded nrf52833-hal v0.14.1 [INFO] [stderr] Downloaded microbit-v2 v0.12.0 [INFO] [stderr] Downloaded tiny-led-matrix v1.0.2 [INFO] [stderr] Downloaded microbit-common v0.12.0 [INFO] [stderr] Downloaded nrf-usbd v0.1.1 [INFO] [stderr] Downloaded fixed v1.26.0 [INFO] [stderr] Downloaded nrf52833-pac v0.10.1 [INFO] [stderr] Downloaded nrf-hal-common v0.14.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4eec8d7de8c83897c05a62615d978fc5578ad19f862e434ef0f5876b198b586e [INFO] running `Command { std: "docker" "start" "-a" "4eec8d7de8c83897c05a62615d978fc5578ad19f862e434ef0f5876b198b586e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4eec8d7de8c83897c05a62615d978fc5578ad19f862e434ef0f5876b198b586e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eec8d7de8c83897c05a62615d978fc5578ad19f862e434ef0f5876b198b586e", kill_on_drop: false }` [INFO] [stdout] 4eec8d7de8c83897c05a62615d978fc5578ad19f862e434ef0f5876b198b586e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e96a34b74ea8295ce749dfe693fb6c2d10fd38a61050bca58fd929bc7358a4d [INFO] running `Command { std: "docker" "start" "-a" "8e96a34b74ea8295ce749dfe693fb6c2d10fd38a61050bca58fd929bc7358a4d", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling cortex-m-rt v0.7.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling nrf52833-pac v0.10.1 [INFO] [stderr] Checking critical-section v1.1.2 [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling fixed v1.26.0 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Compiling nrf-hal-common v0.14.1 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking usb-device v0.2.9 [INFO] [stderr] Checking critical-section v0.2.8 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Checking embedded-dma v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling nrf52833-hal v0.14.1 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking embedded-storage v0.2.0 [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking tiny-led-matrix v1.0.2 [INFO] [stderr] Compiling tug-of-war v0.1.1 (/opt/rustwide/workdir/tug-of-war) [INFO] [stderr] Checking panic-halt v0.2.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking nrf-usbd v0.1.1 [INFO] [stderr] Checking rtt-target v0.3.1 [INFO] [stderr] Checking embed-mutex v0.1.0 (/opt/rustwide/workdir/embed-mutex) [INFO] [stderr] Checking panic-rtt-target v0.1.2 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.0 [INFO] [stderr] Checking microbit-common v0.12.0 [INFO] [stderr] Checking microbit-v2 v0.12.0 [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tug-of-war` (bin "tug-of-war") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "8e96a34b74ea8295ce749dfe693fb6c2d10fd38a61050bca58fd929bc7358a4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e96a34b74ea8295ce749dfe693fb6c2d10fd38a61050bca58fd929bc7358a4d", kill_on_drop: false }` [INFO] [stdout] 8e96a34b74ea8295ce749dfe693fb6c2d10fd38a61050bca58fd929bc7358a4d [INFO] checking Congyuwang/microbit-tug-of-war against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongyuwang%2Fmicrobit-tug-of-war" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Congyuwang/microbit-tug-of-war on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Congyuwang/microbit-tug-of-war [INFO] finished tweaking git repo https://github.com/Congyuwang/microbit-tug-of-war [INFO] tweaked toml for git repo https://github.com/Congyuwang/microbit-tug-of-war written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Congyuwang/microbit-tug-of-war already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 963f937a77c23bd1e7a051ab268d46b54992d943429e10b84c4a48bd2005b5f8 [INFO] running `Command { std: "docker" "start" "-a" "963f937a77c23bd1e7a051ab268d46b54992d943429e10b84c4a48bd2005b5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "963f937a77c23bd1e7a051ab268d46b54992d943429e10b84c4a48bd2005b5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "963f937a77c23bd1e7a051ab268d46b54992d943429e10b84c4a48bd2005b5f8", kill_on_drop: false }` [INFO] [stdout] 963f937a77c23bd1e7a051ab268d46b54992d943429e10b84c4a48bd2005b5f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df2831f7b6b2a23f6f512126a461437ca017a014a03e15c370c58ace684e35d4 [INFO] running `Command { std: "docker" "start" "-a" "df2831f7b6b2a23f6f512126a461437ca017a014a03e15c370c58ace684e35d4", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "df2831f7b6b2a23f6f512126a461437ca017a014a03e15c370c58ace684e35d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df2831f7b6b2a23f6f512126a461437ca017a014a03e15c370c58ace684e35d4", kill_on_drop: false }` [INFO] [stdout] df2831f7b6b2a23f6f512126a461437ca017a014a03e15c370c58ace684e35d4