[INFO] fetching crate efm32gg12b110-pac 0.1.0...
[INFO] testing efm32gg12b110-pac-0.1.0 against try#ece70b22820429ebf0c6d388c32356a14c58fc2f for pr-107251
[INFO] extracting crate efm32gg12b110-pac 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate efm32gg12b110-pac 0.1.0 on toolchain ece70b22820429ebf0c6d388c32356a14c58fc2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32gg12b110-pac 0.1.0
[INFO] finished tweaking crates.io crate efm32gg12b110-pac 0.1.0
[INFO] tweaked toml for crates.io crate efm32gg12b110-pac 0.1.0 written to /workspace/builds/worker-7-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" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "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" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99181ba0738b1116b610e7f755915d70f96c154317daf95ae0fd9494bf51eee6
[INFO] running `Command { std: "docker" "start" "-a" "99181ba0738b1116b610e7f755915d70f96c154317daf95ae0fd9494bf51eee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99181ba0738b1116b610e7f755915d70f96c154317daf95ae0fd9494bf51eee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99181ba0738b1116b610e7f755915d70f96c154317daf95ae0fd9494bf51eee6", kill_on_drop: false }`
[INFO] [stdout] 99181ba0738b1116b610e7f755915d70f96c154317daf95ae0fd9494bf51eee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3cf8f89364878fcc577dc07702d3f80a399ce42df75aa38fa0062f96cf3c62
[INFO] running `Command { std: "docker" "start" "-a" "6c3cf8f89364878fcc577dc07702d3f80a399ce42df75aa38fa0062f96cf3c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling efm32gg12b110-pac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[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 `efm32gg12b110-pac`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name efm32gg12b110_pac --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3b062fcbc48a342d -C extra-filename=-3b062fcbc48a342d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-dae195b64a6b0eb1.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-1e9b370901327104.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6c3cf8f89364878fcc577dc07702d3f80a399ce42df75aa38fa0062f96cf3c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3cf8f89364878fcc577dc07702d3f80a399ce42df75aa38fa0062f96cf3c62", kill_on_drop: false }`
[INFO] [stdout] 6c3cf8f89364878fcc577dc07702d3f80a399ce42df75aa38fa0062f96cf3c62