[INFO] fetching crate rn2xx3 0.2.0...
[INFO] checking rn2xx3-0.2.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate rn2xx3 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rn2xx3 0.2.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rn2xx3 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rn2xx3 0.2.0
[INFO] tweaked toml for crates.io crate rn2xx3 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rn2xx3 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-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" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06f50a893924cc1b5ec5ad0819579ec52badfef44b634d1c93e71dbe4a3bf039
[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" "06f50a893924cc1b5ec5ad0819579ec52badfef44b634d1c93e71dbe4a3bf039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f50a893924cc1b5ec5ad0819579ec52badfef44b634d1c93e71dbe4a3bf039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f50a893924cc1b5ec5ad0819579ec52badfef44b634d1c93e71dbe4a3bf039", kill_on_drop: false }`
[INFO] [stdout] 06f50a893924cc1b5ec5ad0819579ec52badfef44b634d1c93e71dbe4a3bf039
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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] 93c5fc3eafeb4cf0406865d06ec7f2ff98116a9c4c36339af9586d6b1e1bd456
[INFO] running `Command { std: "docker" "start" "-a" "93c5fc3eafeb4cf0406865d06ec7f2ff98116a9c4c36339af9586d6b1e1bd456", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking embedded-hal-mock v0.7.2
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking rn2xx3 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[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 linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "93c5fc3eafeb4cf0406865d06ec7f2ff98116a9c4c36339af9586d6b1e1bd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c5fc3eafeb4cf0406865d06ec7f2ff98116a9c4c36339af9586d6b1e1bd456", kill_on_drop: false }`
[INFO] [stdout] 93c5fc3eafeb4cf0406865d06ec7f2ff98116a9c4c36339af9586d6b1e1bd456