[INFO] fetching crate rv32m1_ri5cy-hal 0.0.1...
[INFO] testing rv32m1_ri5cy-hal-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rv32m1_ri5cy-hal 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rv32m1_ri5cy-hal 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate rv32m1_ri5cy-hal 0.0.1
[INFO] finished tweaking crates.io crate rv32m1_ri5cy-hal 0.0.1
[INFO] tweaked toml for crates.io crate rv32m1_ri5cy-hal 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rv32m1_ri5cy-pac v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 61072ddec3aaaece003f38effec34085dd95f3aa29fc0a2dbe7cd1d18cdd75b0
[INFO] running `Command { std: "docker" "start" "-a" "61072ddec3aaaece003f38effec34085dd95f3aa29fc0a2dbe7cd1d18cdd75b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61072ddec3aaaece003f38effec34085dd95f3aa29fc0a2dbe7cd1d18cdd75b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61072ddec3aaaece003f38effec34085dd95f3aa29fc0a2dbe7cd1d18cdd75b0", kill_on_drop: false }`
[INFO] [stdout] 61072ddec3aaaece003f38effec34085dd95f3aa29fc0a2dbe7cd1d18cdd75b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160d776499f97c94b02fae36e09a28a076566f1a12bdfff454e0ea99397cbadf
[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" "160d776499f97c94b02fae36e09a28a076566f1a12bdfff454e0ea99397cbadf", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling rv32m1_ri5cy-pac v0.1.1
[INFO] [stderr] error: could not compile `rv32m1_ri5cy-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rv32m1_ri5cy_pac --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rv32m1_ri5cy-pac-0.1.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d2211664ceaa391f -C extra-filename=-d2211664ceaa391f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-073329491297c990.rmeta --extern riscv=/opt/rustwide/target/debug/deps/libriscv-3e49c1902e84877e.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-f61acefe00d126b4.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "160d776499f97c94b02fae36e09a28a076566f1a12bdfff454e0ea99397cbadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160d776499f97c94b02fae36e09a28a076566f1a12bdfff454e0ea99397cbadf", kill_on_drop: false }`
[INFO] [stdout] 160d776499f97c94b02fae36e09a28a076566f1a12bdfff454e0ea99397cbadf