[INFO] cloning repository https://github.com/connctd/led-pill
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connctd/led-pill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92edf90334ae3a69d186423b6e525c2a5ff5150b
[INFO] checking connctd/led-pill against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnctd%2Fled-pill" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connctd/led-pill on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/connctd/led-pill
[INFO] finished tweaking git repo https://github.com/connctd/led-pill
[INFO] tweaked toml for git repo https://github.com/connctd/led-pill written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/connctd/led-pill already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f103xx v0.11.0
[INFO] [stderr]   Downloaded usb-device v0.2.2
[INFO] [stderr]   Downloaded usbd-serial v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+nightly-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] 38958155c4bf34f1d9f66d0b0b12819014f9189882da195b85e01436ceb23d0a
[INFO] running `"docker" "start" "-a" "38958155c4bf34f1d9f66d0b0b12819014f9189882da195b85e01436ceb23d0a"`
[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 thumbv7m-none-eabi --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/nightly-2019-10-27-x86_64-unknown-linux-gnu
[INFO] [stderr] debug_assertions
[INFO] [stderr] proc_macro
[INFO] [stderr] target_arch="arm"
[INFO] [stderr] target_endian="little"
[INFO] [stderr] target_env=""
[INFO] [stderr] target_feature="mclass"
[INFO] [stderr] target_feature="v5te"
[INFO] [stderr] target_feature="v6"
[INFO] [stderr] target_feature="v6k"
[INFO] [stderr] target_feature="v6t2"
[INFO] [stderr] target_feature="v7"
[INFO] [stderr] target_has_atomic="16"
[INFO] [stderr] target_has_atomic="32"
[INFO] [stderr] target_has_atomic="8"
[INFO] [stderr] target_has_atomic="ptr"
[INFO] [stderr] target_has_atomic_load_store="16"
[INFO] [stderr] target_has_atomic_load_store="32"
[INFO] [stderr] target_has_atomic_load_store="8"
[INFO] [stderr] target_has_atomic_load_store="ptr"
[INFO] [stderr] target_os="none"
[INFO] [stderr] target_pointer_width="32"
[INFO] [stderr] target_vendor=""
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "38958155c4bf34f1d9f66d0b0b12819014f9189882da195b85e01436ceb23d0a"`
[INFO] running `"docker" "rm" "-f" "38958155c4bf34f1d9f66d0b0b12819014f9189882da195b85e01436ceb23d0a"`
[INFO] [stdout] 38958155c4bf34f1d9f66d0b0b12819014f9189882da195b85e01436ceb23d0a