[INFO] fetching crate esp32 0.10.0...
[INFO] checking esp32-0.10.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate esp32 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate esp32 0.10.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate esp32 0.10.0
[INFO] finished tweaking crates.io crate esp32 0.10.0
[INFO] tweaked toml for crates.io crate esp32 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] bea4ef809a3705e37f37102ec75dff134c7c2ca073e2b6788478d8d112fc6c88
[INFO] running `Command { std: "docker" "start" "-a" "bea4ef809a3705e37f37102ec75dff134c7c2ca073e2b6788478d8d112fc6c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea4ef809a3705e37f37102ec75dff134c7c2ca073e2b6788478d8d112fc6c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea4ef809a3705e37f37102ec75dff134c7c2ca073e2b6788478d8d112fc6c88", kill_on_drop: false }`
[INFO] [stdout] bea4ef809a3705e37f37102ec75dff134c7c2ca073e2b6788478d8d112fc6c88
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c9cf8d6bf052cc9c13ac0f28969d5e26e548935bfaa5690d55b13db7dce73dd
[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" "9c9cf8d6bf052cc9c13ac0f28969d5e26e548935bfaa5690d55b13db7dce73dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xtensa-lx v0.3.0
[INFO] [stderr]    Compiling esp32 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]     Checking mutex-trait v0.2.0
[INFO] [stderr] error: could not compile `esp32`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name esp32 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=842e76f0d0385bae -C extra-filename=-842e76f0d0385bae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-e4625f484ffb3b5c.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-c7dbce416d455566.rmeta --extern xtensa_lx=/opt/rustwide/target/debug/deps/libxtensa_lx-32664c1795661a80.rmeta --cap-lints=forbid -L /opt/rustwide/target/debug/build/xtensa-lx-d2e803053d105c8c/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9c9cf8d6bf052cc9c13ac0f28969d5e26e548935bfaa5690d55b13db7dce73dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9cf8d6bf052cc9c13ac0f28969d5e26e548935bfaa5690d55b13db7dce73dd", kill_on_drop: false }`
[INFO] [stdout] 9c9cf8d6bf052cc9c13ac0f28969d5e26e548935bfaa5690d55b13db7dce73dd