[INFO] cloning repository https://github.com/mokomull/stm32f4-discovery-signal-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mokomull/stm32f4-discovery-signal-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokomull%2Fstm32f4-discovery-signal-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokomull%2Fstm32f4-discovery-signal-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c73f9027ecf444e53e9d577ce8e673426824cb6
[INFO] testing mokomull/stm32f4-discovery-signal-generator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokomull%2Fstm32f4-discovery-signal-generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mokomull/stm32f4-discovery-signal-generator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mokomull/stm32f4-discovery-signal-generator
[INFO] finished tweaking git repo https://github.com/mokomull/stm32f4-discovery-signal-generator
[INFO] tweaked toml for git repo https://github.com/mokomull/stm32f4-discovery-signal-generator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mokomull/stm32f4-discovery-signal-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded as-slice v0.1.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded micromath v1.1.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.3
[INFO] [stderr]   Downloaded panic-itm v0.4.1
[INFO] [stderr]   Downloaded usb-device v0.2.7
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded synopsys-usb-otg v0.1.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] [stderr]   Downloaded stm32ral v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fef786c1302c365dc1792ed70edecf286de46ecdd7c14eba12b9b5780535d959
[INFO] running `Command { std: "docker" "start" "-a" "fef786c1302c365dc1792ed70edecf286de46ecdd7c14eba12b9b5780535d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef786c1302c365dc1792ed70edecf286de46ecdd7c14eba12b9b5780535d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef786c1302c365dc1792ed70edecf286de46ecdd7c14eba12b9b5780535d959", kill_on_drop: false }`
[INFO] [stdout] fef786c1302c365dc1792ed70edecf286de46ecdd7c14eba12b9b5780535d959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1915b5f1232157f28c0f41538ec995a1b26eb0c3b29a4455c79b1e78aba260d9
[INFO] running `Command { std: "docker" "start" "-a" "1915b5f1232157f28c0f41538ec995a1b26eb0c3b29a4455c79b1e78aba260d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling stm32ral v0.3.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling usb-device v0.2.7
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling synopsys-usb-otg v0.1.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling micromath v1.1.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling usbd-serial v0.1.1
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling panic-itm v0.4.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling stm32f4xx-hal v0.8.3
[INFO] [stderr]    Compiling stm32f4-discovery-signal-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4-discovery-signal-generator` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1915b5f1232157f28c0f41538ec995a1b26eb0c3b29a4455c79b1e78aba260d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1915b5f1232157f28c0f41538ec995a1b26eb0c3b29a4455c79b1e78aba260d9", kill_on_drop: false }`
[INFO] [stdout] 1915b5f1232157f28c0f41538ec995a1b26eb0c3b29a4455c79b1e78aba260d9