[INFO] cloning repository https://github.com/crabstars/microbit-minicar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crabstars/microbit-minicar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrabstars%2Fmicrobit-minicar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrabstars%2Fmicrobit-minicar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 859618a27ae5aed1fba7416d102fb3003fd74d06
[INFO] fixing crabstars/microbit-minicar against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrabstars%2Fmicrobit-minicar" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/crabstars/microbit-minicar
[INFO] finished tweaking git repo https://github.com/crabstars/microbit-minicar
[INFO] tweaked toml for git repo https://github.com/crabstars/microbit-minicar written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crabstars/microbit-minicar on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/crabstars/microbit-minicar 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtt-target v0.6.2
[INFO] [stderr]   Downloaded nrf52833-hal v0.19.0
[INFO] [stderr]   Downloaded microbit-v2 v0.16.0
[INFO] [stderr]   Downloaded microbit-common v0.16.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.19.0
[INFO] [stderr]   Downloaded fixed v1.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5
[INFO] running `Command { std: "docker" "start" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling nrf52833-pac v0.12.2
[INFO] [stderr]    Compiling fixed v1.30.0
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling nrf-hal-common v0.19.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling nrf52833-hal v0.19.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking embedded-io v0.7.1
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]     Checking critical-section-lock-mut v0.1.2
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking rtt-target v0.6.2
[INFO] [stderr]     Checking nrf-usbd v0.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]     Checking cortex-m-rt v0.7.5
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking microbit-common v0.16.0
[INFO] [stderr]     Checking microbit-v2 v0.16.0
[INFO] [stderr]     Checking microbit-minicar v0.1.1 (/opt/rustwide/workdir)
[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: 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: 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: 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: 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] [stderr] error: could not compile `microbit-minicar` (example "line_tracking") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `microbit-minicar` (example "lcd1602") due to 1 previous error
[INFO] [stderr] error: could not compile `microbit-minicar` (example "ultra") due to 1 previous error
[INFO] [stderr] error: could not compile `microbit-minicar` (example "led_color_set") due to 1 previous error
[INFO] [stderr] error: could not compile `microbit-minicar` (example "motor") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5", kill_on_drop: false }`
[INFO] [stdout] 11d2b7d5bdc39915070b8e6c2cc84d4b2f9b81e43313cafb6c2f228af8a897e5
