[INFO] crate drone-stm32-map-pieces-6 0.12.1 is already in cache
[INFO] testing drone-stm32-map-pieces-6-0.12.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate drone-stm32-map-pieces-6 0.12.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate drone-stm32-map-pieces-6 0.12.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-stm32-map-pieces-6 0.12.1
[INFO] finished tweaking crates.io crate drone-stm32-map-pieces-6 0.12.1
[INFO] tweaked toml for crates.io crate drone-stm32-map-pieces-6 0.12.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f49f921682ff3e43c06cf4728e69ec34e4cc66bdcf26e545c3c596cd1c54331
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f49f921682ff3e43c06cf4728e69ec34e4cc66bdcf26e545c3c596cd1c54331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f49f921682ff3e43c06cf4728e69ec34e4cc66bdcf26e545c3c596cd1c54331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f49f921682ff3e43c06cf4728e69ec34e4cc66bdcf26e545c3c596cd1c54331", kill_on_drop: false }`
[INFO] [stdout] 1f49f921682ff3e43c06cf4728e69ec34e4cc66bdcf26e545c3c596cd1c54331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ad7fd78b89cf416284af90a55847e7b6d9c7f1257c8986126baac94b8aadaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70ad7fd78b89cf416284af90a55847e7b6d9c7f1257c8986126baac94b8aadaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling drone-core-macros v0.12.1
[INFO] [stderr]    Compiling drone-cortexm-macros v0.12.1
[INFO] [stderr]    Compiling drone-stm32-map-svd v0.12.1
[INFO] [stderr]    Compiling drone-stm32-map-pieces-6 v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `drone-stm32-map-pieces-6 v0.12.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/drone-stm32-map-pieces-6-bf3f729ed21226fc/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTFLAGS
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: environment variable not found
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.31/src/backtrace.rs:26
[INFO] [stderr]      1: drone_stm32_map_svd::svd_deserialize
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-stm32-map-svd-0.12.1/src/lib.rs:52
[INFO] [stderr]      2: drone_stm32_map_svd::generate_regs
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-stm32-map-svd-0.12.1/src/lib.rs:28
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]                at ./build.rs:2
[INFO] [stderr]      4: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]      5: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at src/libstd/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at src/libstd/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at src/libstd/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at src/libstd/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at src/libstd/rt.rs:51
[INFO] [stderr]      6: std::rt::lang_start
[INFO] [stderr]                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]      7: main
[INFO] [stderr]      8: __libc_start_main
[INFO] [stderr]      9: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "70ad7fd78b89cf416284af90a55847e7b6d9c7f1257c8986126baac94b8aadaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ad7fd78b89cf416284af90a55847e7b6d9c7f1257c8986126baac94b8aadaf", kill_on_drop: false }`
[INFO] [stdout] 70ad7fd78b89cf416284af90a55847e7b6d9c7f1257c8986126baac94b8aadaf