[INFO] cloning repository https://github.com/shima-529/STM32OnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shima-529/STM32OnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshima-529%2FSTM32OnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshima-529%2FSTM32OnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4ca4568daa4bf942b86b5e56fb6f0fff7a3d64a
[INFO] testing shima-529/STM32OnRust against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshima-529%2FSTM32OnRust" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shima-529/STM32OnRust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-84/source/.cargo/config
[INFO] started tweaking git repo https://github.com/shima-529/STM32OnRust
[INFO] finished tweaking git repo https://github.com/shima-529/STM32OnRust
[INFO] tweaked toml for git repo https://github.com/shima-529/STM32OnRust written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/shima-529/STM32OnRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6fa61a0eef9956e6b30417fde44dcdaf07d928af877cfe56af0ca9ab5ac7b3
[INFO] running `Command { std: "docker" "start" "-a" "ed6fa61a0eef9956e6b30417fde44dcdaf07d928af877cfe56af0ca9ab5ac7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6fa61a0eef9956e6b30417fde44dcdaf07d928af877cfe56af0ca9ab5ac7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6fa61a0eef9956e6b30417fde44dcdaf07d928af877cfe56af0ca9ab5ac7b3", kill_on_drop: false }`
[INFO] [stdout] ed6fa61a0eef9956e6b30417fde44dcdaf07d928af877cfe56af0ca9ab5ac7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f5552c3d57d6d75cc09822b17f2a0d0176dc9e70334efc35f2a8289c898987
[INFO] running `Command { std: "docker" "start" "-a" "e5f5552c3d57d6d75cc09822b17f2a0d0176dc9e70334efc35f2a8289c898987", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32OnRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]  --> src/vector.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 4 |     fn _estack();
[INFO] [stdout]   |     ------------- not a function or static
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32OnRust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e5f5552c3d57d6d75cc09822b17f2a0d0176dc9e70334efc35f2a8289c898987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f5552c3d57d6d75cc09822b17f2a0d0176dc9e70334efc35f2a8289c898987", kill_on_drop: false }`
[INFO] [stdout] e5f5552c3d57d6d75cc09822b17f2a0d0176dc9e70334efc35f2a8289c898987
