[INFO] fetching crate efm32wg980-pac 0.1.0...
[INFO] checking efm32wg980-pac-0.1.0 against try#5544613b027fde133f28359e75dec57e222e7ee4 for pr-111623
[INFO] extracting crate efm32wg980-pac 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate efm32wg980-pac 0.1.0 on toolchain 5544613b027fde133f28359e75dec57e222e7ee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32wg980-pac 0.1.0
[INFO] finished tweaking crates.io crate efm32wg980-pac 0.1.0
[INFO] tweaked toml for crates.io crate efm32wg980-pac 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27d91adf6c318c8bcd96e43e1c727fe8aef4f960c0de37dd6fd8dd617177dc30
[INFO] running `Command { std: "docker" "start" "-a" "27d91adf6c318c8bcd96e43e1c727fe8aef4f960c0de37dd6fd8dd617177dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27d91adf6c318c8bcd96e43e1c727fe8aef4f960c0de37dd6fd8dd617177dc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d91adf6c318c8bcd96e43e1c727fe8aef4f960c0de37dd6fd8dd617177dc30", kill_on_drop: false }`
[INFO] [stdout] 27d91adf6c318c8bcd96e43e1c727fe8aef4f960c0de37dd6fd8dd617177dc30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+5544613b027fde133f28359e75dec57e222e7ee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cb826a67322542a5d372966b70847513ee9ca364823ede200e513f7d744c347
[INFO] running `Command { std: "docker" "start" "-a" "2cb826a67322542a5d372966b70847513ee9ca364823ede200e513f7d744c347", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling efm32wg980-pac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![deny(const_err)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![deny(const_err)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `efm32wg980-pac` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/5544613b027fde133f28359e75dec57e222e7ee4/bin/rustc --crate-name efm32wg980_pac --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=14fc560ae1db3568 -C extra-filename=-14fc560ae1db3568 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-c1c4afdeb5ed2f01.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-7690cd4ae79a3e76.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cb826a67322542a5d372966b70847513ee9ca364823ede200e513f7d744c347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb826a67322542a5d372966b70847513ee9ca364823ede200e513f7d744c347", kill_on_drop: false }`
[INFO] [stdout] 2cb826a67322542a5d372966b70847513ee9ca364823ede200e513f7d744c347