[INFO] updating cached repository https://github.com/dbrgn/rn2xx3-rs
[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] [stderr] From https://github.com/dbrgn/rn2xx3-rs
[INFO] [stderr]  - [deleted]         (none)     -> sleep
[INFO] [stderr]  * [new branch]      get-set-data-rate -> get-set-data-rate
[INFO] [stderr]    dcea4f4..030e291  master            -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 030e291d7c725995e8b1019ec44d02b2932a113b
[INFO] checking dbrgn/rn2xx3-rs against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Frn2xx3-rs" "/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/dbrgn/rn2xx3-rs on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dbrgn/rn2xx3-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/dbrgn/rn2xx3-rs
[INFO] tweaked toml for git repo https://github.com/dbrgn/rn2xx3-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dbrgn/rn2xx3-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 177356a181c539b2610a4a897d7d7a19b118383dea0fa5e49309423d9e95587f
[INFO] running `"docker" "start" "-a" "177356a181c539b2610a4a897d7d7a19b118383dea0fa5e49309423d9e95587f"`
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking embedded-hal-mock v0.7.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking rn2xx3 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `"docker" "inspect" "177356a181c539b2610a4a897d7d7a19b118383dea0fa5e49309423d9e95587f"`
[INFO] running `"docker" "rm" "-f" "177356a181c539b2610a4a897d7d7a19b118383dea0fa5e49309423d9e95587f"`
[INFO] [stdout] 177356a181c539b2610a4a897d7d7a19b118383dea0fa5e49309423d9e95587f