[INFO] fetching crate efm32gg11b820 0.7.0...
[INFO] checking efm32gg11b820-0.7.0 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate efm32gg11b820 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate efm32gg11b820 0.7.0 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32gg11b820 0.7.0
[INFO] finished tweaking crates.io crate efm32gg11b820 0.7.0
[INFO] tweaked toml for crates.io crate efm32gg11b820 0.7.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d840b58dbe5eb0f8f9923212a4c0b50e2ee6936a107151d7dec48b56ed165b7
[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" "4d840b58dbe5eb0f8f9923212a4c0b50e2ee6936a107151d7dec48b56ed165b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d840b58dbe5eb0f8f9923212a4c0b50e2ee6936a107151d7dec48b56ed165b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d840b58dbe5eb0f8f9923212a4c0b50e2ee6936a107151d7dec48b56ed165b7", kill_on_drop: false }`
[INFO] [stdout] 4d840b58dbe5eb0f8f9923212a4c0b50e2ee6936a107151d7dec48b56ed165b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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] 2052e288704513f54575a480b4e25cc05fee71719f6ad0d660539965c1c4e92a
[INFO] running `Command { std: "docker" "start" "-a" "2052e288704513f54575a480b4e25cc05fee71719f6ad0d660539965c1c4e92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling efm32gg11b820 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr] error: could not compile `efm32gg11b820`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name efm32gg11b820 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=3a37e17eff96ea40 -C extra-filename=-3a37e17eff96ea40 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-7270151426dc9ccf.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-95881ef503701986.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-4182d4a89daab831.rmeta --cap-lints=forbid` (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" "2052e288704513f54575a480b4e25cc05fee71719f6ad0d660539965c1c4e92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2052e288704513f54575a480b4e25cc05fee71719f6ad0d660539965c1c4e92a", kill_on_drop: false }`
[INFO] [stdout] 2052e288704513f54575a480b4e25cc05fee71719f6ad0d660539965c1c4e92a