[INFO] cloning repository https://github.com/szabobenyo/rust_mcu_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szabobenyo/rust_mcu_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszabobenyo%2Frust_mcu_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszabobenyo%2Frust_mcu_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c37adcd3978a76f46bb9b3c61b5a290312d9fb2e
[INFO] testing szabobenyo/rust_mcu_project against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszabobenyo%2Frust_mcu_project" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/szabobenyo/rust_mcu_project
[INFO] finished tweaking git repo https://github.com/szabobenyo/rust_mcu_project
[INFO] tweaked toml for git repo https://github.com/szabobenyo/rust_mcu_project written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/szabobenyo/rust_mcu_project on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/szabobenyo/rust_mcu_project 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32l0xx-hal v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13aefc8dc981c67d2fc356bf75a2340be2b5a50c201dbd89e9568e56650aafea
[INFO] running `Command { std: "docker" "start" "-a" "13aefc8dc981c67d2fc356bf75a2340be2b5a50c201dbd89e9568e56650aafea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13aefc8dc981c67d2fc356bf75a2340be2b5a50c201dbd89e9568e56650aafea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13aefc8dc981c67d2fc356bf75a2340be2b5a50c201dbd89e9568e56650aafea", kill_on_drop: false }`
[INFO] [stdout] 13aefc8dc981c67d2fc356bf75a2340be2b5a50c201dbd89e9568e56650aafea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170ca274d26c80790b9c33eaeb9126471299d5007ad0847126e40f1267cef031
[INFO] running `Command { std: "docker" "start" "-a" "170ca274d26c80790b9c33eaeb9126471299d5007ad0847126e40f1267cef031", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stm32l0 v0.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling stm32l0xx-hal v0.10.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling rust_mcu_project v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-time v0.12.1
[INFO] [stderr]    Compiling rtcc v0.3.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[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] [stderr] error: could not compile `rust_mcu_project` (bin "rust_mcu_project") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "170ca274d26c80790b9c33eaeb9126471299d5007ad0847126e40f1267cef031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170ca274d26c80790b9c33eaeb9126471299d5007ad0847126e40f1267cef031", kill_on_drop: false }`
[INFO] [stdout] 170ca274d26c80790b9c33eaeb9126471299d5007ad0847126e40f1267cef031