[INFO] updating cached repository https://github.com/koalatux/riscv-rust-mfrc522
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56b6b7e17956a73a13ad494f48c13ad9a4140c6e
[INFO] checking koalatux/riscv-rust-mfrc522 against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoalatux%2Friscv-rust-mfrc522" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koalatux/riscv-rust-mfrc522 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/koalatux/riscv-rust-mfrc522
[INFO] finished tweaking git repo https://github.com/koalatux/riscv-rust-mfrc522
[INFO] tweaked toml for git repo https://github.com/koalatux/riscv-rust-mfrc522 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/koalatux/riscv-rust-mfrc522 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=allow" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b96eeed3505e7e3b1f40e86a51dc4f3f186725cd00967a8ab59553c7dd762b21
[INFO] running `"docker" "start" "-a" "b96eeed3505e7e3b1f40e86a51dc4f3f186725cd00967a8ab59553c7dd762b21"`
[INFO] [stderr] error: output of --print=file-names has changed in the compiler, cannot parse
[INFO] [stderr] command was: `rustc - --crate-name ___ --print=file-names --cap-lints=allow --target riscv32imac-unknown-none-elf --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg`
[INFO] [stderr] 
[INFO] [stderr] --- stdout
[INFO] [stderr] ___
[INFO] [stderr] lib___.rlib
[INFO] [stderr] lib___.a
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2019-10-27-x86_64-unknown-linux-gnu
[INFO] [stderr] debug_assertions
[INFO] [stderr] proc_macro
[INFO] [stderr] target_arch="riscv32"
[INFO] [stderr] target_endian="little"
[INFO] [stderr] target_env=""
[INFO] [stderr] target_os="none"
[INFO] [stderr] target_pointer_width="32"
[INFO] [stderr] target_vendor="unknown"
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b96eeed3505e7e3b1f40e86a51dc4f3f186725cd00967a8ab59553c7dd762b21"`
[INFO] running `"docker" "rm" "-f" "b96eeed3505e7e3b1f40e86a51dc4f3f186725cd00967a8ab59553c7dd762b21"`
[INFO] [stdout] b96eeed3505e7e3b1f40e86a51dc4f3f186725cd00967a8ab59553c7dd762b21