[INFO] cloning repository https://github.com/git-user-cpp/stm32f446ret_blinky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/git-user-cpp/stm32f446ret_blinky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgit-user-cpp%2Fstm32f446ret_blinky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgit-user-cpp%2Fstm32f446ret_blinky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec53ca2cf349ac9fa4dc43dfc3199c3bdd2ded2d
[INFO] fixing git-user-cpp/stm32f446ret_blinky 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%2Fgit-user-cpp%2Fstm32f446ret_blinky" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/git-user-cpp/stm32f446ret_blinky
[INFO] finished tweaking git repo https://github.com/git-user-cpp/stm32f446ret_blinky
[INFO] tweaked toml for git repo https://github.com/git-user-cpp/stm32f446ret_blinky written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/git-user-cpp/stm32f446ret_blinky 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/git-user-cpp/stm32f446ret_blinky 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.20.0
[INFO] [stderr]   Downloaded stm32f4 v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c
[INFO] running `Command { std: "docker" "start" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c", 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" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c", 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" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c" "/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 proc-macro2 v1.0.95
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling stm32f4 v0.15.1
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking num-conv v0.2.0
[INFO] [stderr]    Compiling stm32f4xx-hal v0.20.0
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]     Checking cortex-m-rt v0.7.5
[INFO] [stderr]     Checking stm32f446ret_blinky v0.1.0 (/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] [stderr] error: could not compile `stm32f446ret_blinky` (bin "blinky") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c", kill_on_drop: false }`
[INFO] [stdout] 7a96cd3cfc5a78abd57bc7c4289bd86421c777bc660083eb3fabb2d0e41df81c
