[INFO] fetching crate drone-stm32-map-periph-i2c 0.13.0...
[INFO] checking drone-stm32-map-periph-i2c-0.13.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate drone-stm32-map-periph-i2c 0.13.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate drone-stm32-map-periph-i2c 0.13.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-stm32-map-periph-i2c 0.13.0
[INFO] finished tweaking crates.io crate drone-stm32-map-periph-i2c 0.13.0
[INFO] tweaked toml for crates.io crate drone-stm32-map-periph-i2c 0.13.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` is now stable and is no longer necessary to be listed in the manifest
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d83fe60047c928806b17d21c7a219017edad24c94db0454adf8c52c223ef220a
[INFO] running `Command { std: "docker" "start" "-a" "d83fe60047c928806b17d21c7a219017edad24c94db0454adf8c52c223ef220a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d83fe60047c928806b17d21c7a219017edad24c94db0454adf8c52c223ef220a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83fe60047c928806b17d21c7a219017edad24c94db0454adf8c52c223ef220a", kill_on_drop: false }`
[INFO] [stdout] d83fe60047c928806b17d21c7a219017edad24c94db0454adf8c52c223ef220a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68f49b203873197ff2cfb61031a576003acedff9ed543c1b98b83b81b88b02b7
[INFO] running `Command { std: "docker" "start" "-a" "68f49b203873197ff2cfb61031a576003acedff9ed543c1b98b83b81b88b02b7", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling drone-stm32-map-pieces-10 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-5 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-2 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-6 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-8 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-9 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-11 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-4 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-7 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-12 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-1 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces-3 v0.13.0
[INFO] [stderr]    Compiling drone-stm32-map-pieces v0.13.0
[INFO] [stderr] error: failed to run custom build command for `drone-stm32-map-pieces v0.13.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/drone-stm32-map-pieces-ef3ef90f99f58190/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-1.0.38/src/error.rs:469:25
[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-0.13.0/src/lib.rs:51:42
[INFO] [stderr]      2: drone_stm32_map_svd::generate_index
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-stm32-map-svd-0.13.0/src/lib.rs:37:15
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]                at ./build.rs:2:5
[INFO] [stderr]      4: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:227:5
[INFO] [stderr]      5: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:66:18
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:379:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:343:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panic.rs:396:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:51:25
[INFO] [stderr]      8: std::rt::lang_start
[INFO] [stderr]                at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:65:5
[INFO] [stderr]      9: main
[INFO] [stderr]     10: __libc_start_main
[INFO] [stderr]     11: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68f49b203873197ff2cfb61031a576003acedff9ed543c1b98b83b81b88b02b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f49b203873197ff2cfb61031a576003acedff9ed543c1b98b83b81b88b02b7", kill_on_drop: false }`
[INFO] [stdout] 68f49b203873197ff2cfb61031a576003acedff9ed543c1b98b83b81b88b02b7