[INFO] fetching crate dh-drone-stm32f4-utils 0.1.2...
[INFO] checking dh-drone-stm32f4-utils-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate dh-drone-stm32f4-utils 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dh-drone-stm32f4-utils 0.1.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate dh-drone-stm32f4-utils 0.1.2
[INFO] finished tweaking crates.io crate dh-drone-stm32f4-utils 0.1.2
[INFO] tweaked toml for crates.io crate dh-drone-stm32f4-utils 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drone-stm32-map-periph-gpio v0.12.3
[INFO] [stderr]   Downloaded drone-cortexm v0.12.2
[INFO] [stderr]   Downloaded drone-ctypes v0.12.1
[INFO] [stderr]   Downloaded drone-core-macros v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-1 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-periph-dma v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-3 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-2 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-7 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-9 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-4 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-11 v0.12.3
[INFO] [stderr]   Downloaded drone-macros-core v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map v0.12.3
[INFO] [stderr]   Downloaded drone-svd v0.12.0
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-8 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-periph-exti v0.12.3
[INFO] [stderr]   Downloaded drone-cortexm-macros v0.12.2
[INFO] [stderr]   Downloaded drone-stm32-map-periph-tim v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-periph-adc v0.12.3
[INFO] [stderr]   Downloaded drone-config v0.12.4
[INFO] [stderr]   Downloaded drone-stm32-map-periph-i2c v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-5 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-6 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-10 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-12 v0.12.3
[INFO] [stderr]   Downloaded drone-stm32-map-pieces v0.12.3
[INFO] [stderr]   Downloaded drone-core v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-svd v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9eca249e11a48c7f4216df377a3a21e3242fa08e44e992dee205726abd59e9e
[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" "d9eca249e11a48c7f4216df377a3a21e3242fa08e44e992dee205726abd59e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9eca249e11a48c7f4216df377a3a21e3242fa08e44e992dee205726abd59e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eca249e11a48c7f4216df377a3a21e3242fa08e44e992dee205726abd59e9e", kill_on_drop: false }`
[INFO] [stdout] d9eca249e11a48c7f4216df377a3a21e3242fa08e44e992dee205726abd59e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] c63e06320bcc63522a17fd1fe7ca16659e6aba11cf8d367fd844b1d1c892463f
[INFO] running `Command { std: "docker" "start" "-a" "c63e06320bcc63522a17fd1fe7ca16659e6aba11cf8d367fd844b1d1c892463f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]     Checking drone-ctypes v0.12.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling drone-macros-core v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling drone-cortexm-macros v0.12.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde-xml-rs v0.4.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling drone-svd v0.12.0
[INFO] [stderr]    Compiling drone-config v0.12.4
[INFO] [stderr]    Compiling drone-stm32-map-svd v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-6 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-12 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-4 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-2 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-8 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-10 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-3 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-5 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-7 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-11 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-1 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces-9 v0.12.3
[INFO] [stderr]    Compiling drone-stm32-map-pieces v0.12.3
[INFO] [stderr] error: failed to run custom build command for `drone-stm32-map-pieces-11 v0.12.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/drone-stm32-map-pieces-11-b9f6270ad0cafd04/build-script-build` (exit status: 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-1.0.40/src/error.rs:519:25
[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-0.12.3/src/lib.rs:52:42
[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-0.12.3/src/lib.rs:28:15
[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/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]      5: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:49:18
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:379:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:343:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panic.rs:431:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:34:21
[INFO] [stderr]      8: std::rt::lang_start
[INFO] [stderr]                at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:48:5
[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" "c63e06320bcc63522a17fd1fe7ca16659e6aba11cf8d367fd844b1d1c892463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63e06320bcc63522a17fd1fe7ca16659e6aba11cf8d367fd844b1d1c892463f", kill_on_drop: false }`
[INFO] [stdout] c63e06320bcc63522a17fd1fe7ca16659e6aba11cf8d367fd844b1d1c892463f