[INFO] fetching crate drone-stm32f1 0.1.2...
[INFO] checking drone-stm32f1-0.1.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate drone-stm32f1 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate drone-stm32f1 0.1.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-stm32f1 0.1.2
[INFO] finished tweaking crates.io crate drone-stm32f1 0.1.2
[INFO] tweaked toml for crates.io crate drone-stm32f1 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f599bd860a05ebf51d1d3625d7403fc9bfd941a08ac79b39378302b0aa729b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3f599bd860a05ebf51d1d3625d7403fc9bfd941a08ac79b39378302b0aa729b7"`
[INFO] [stderr]     Checking drone-core v0.1.2
[INFO] [stderr]     Checking sc v0.2.2
[INFO] [stderr]     Checking drone-test v0.1.2
[INFO] [stderr]     Checking drone-stm32f1 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0522]: definition of an unknown language item: `panic_fmt`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-test-0.1.2/src/panicking.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[lang = "panic_fmt"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0522`.
[INFO] [stderr] error: could not compile `drone-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3f599bd860a05ebf51d1d3625d7403fc9bfd941a08ac79b39378302b0aa729b7"`
[INFO] running `"docker" "rm" "-f" "3f599bd860a05ebf51d1d3625d7403fc9bfd941a08ac79b39378302b0aa729b7"`
[INFO] [stdout] 3f599bd860a05ebf51d1d3625d7403fc9bfd941a08ac79b39378302b0aa729b7