[INFO] fetching crate drone-tisl-map-pieces-10 0.0.1...
[INFO] checking drone-tisl-map-pieces-10-0.0.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate drone-tisl-map-pieces-10 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate drone-tisl-map-pieces-10 0.0.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-tisl-map-pieces-10 0.0.1
[INFO] finished tweaking crates.io crate drone-tisl-map-pieces-10 0.0.1
[INFO] tweaked toml for crates.io crate drone-tisl-map-pieces-10 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87e6c0f61543b6aa4940643a710b7e9adca5aeaf5f33cc42415dae5efe07590
[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" "d87e6c0f61543b6aa4940643a710b7e9adca5aeaf5f33cc42415dae5efe07590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87e6c0f61543b6aa4940643a710b7e9adca5aeaf5f33cc42415dae5efe07590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87e6c0f61543b6aa4940643a710b7e9adca5aeaf5f33cc42415dae5efe07590", kill_on_drop: false }`
[INFO] [stdout] d87e6c0f61543b6aa4940643a710b7e9adca5aeaf5f33cc42415dae5efe07590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] f015ca10b994d438d6ad894e1cb70b3c166220fa539ae6e114f78afe1a5ad4c2
[INFO] running `Command { std: "docker" "start" "-a" "f015ca10b994d438d6ad894e1cb70b3c166220fa539ae6e114f78afe1a5ad4c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling drone-core-macros v0.12.1
[INFO] [stderr]    Compiling drone-tisl-map-pieces-10 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `drone-tisl-map-pieces-10 v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/drone-tisl-map-pieces-10-64741a3c6b57b94b/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-1.0.34/src/error.rs:464
[INFO] [stderr]      1: drone_tisl_map_svd::svd_deserialize
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-tisl-map-svd-0.0.1/src/lib.rs:40
[INFO] [stderr]      2: drone_tisl_map_svd::generate_regs
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-tisl-map-svd-0.0.1/src/lib.rs:19
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]                at ./build.rs:2
[INFO] [stderr]      4: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:227
[INFO] [stderr]      5: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:66
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:51
[INFO] [stderr]      8: std::rt::lang_start
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:65
[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" "f015ca10b994d438d6ad894e1cb70b3c166220fa539ae6e114f78afe1a5ad4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f015ca10b994d438d6ad894e1cb70b3c166220fa539ae6e114f78afe1a5ad4c2", kill_on_drop: false }`
[INFO] [stdout] f015ca10b994d438d6ad894e1cb70b3c166220fa539ae6e114f78afe1a5ad4c2