[INFO] fetching crate rmodbus 0.5.3...
[INFO] checking rmodbus-0.5.3 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate rmodbus 0.5.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rmodbus 0.5.3 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmodbus 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.5.3
[INFO] tweaked toml for crates.io crate rmodbus 0.5.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adc5612cc0a433607d3793d6a3ae50757cabaa35c56dd7cbed62d24aed2e49c9
[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" "adc5612cc0a433607d3793d6a3ae50757cabaa35c56dd7cbed62d24aed2e49c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc5612cc0a433607d3793d6a3ae50757cabaa35c56dd7cbed62d24aed2e49c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc5612cc0a433607d3793d6a3ae50757cabaa35c56dd7cbed62d24aed2e49c9", kill_on_drop: false }`
[INFO] [stdout] adc5612cc0a433607d3793d6a3ae50757cabaa35c56dd7cbed62d24aed2e49c9
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 135fd7e5eabde9e95e7734e7e3a10291044ca50bcdd4907e7f60bf42d7405a9f
[INFO] running `Command { std: "docker" "start" "-a" "135fd7e5eabde9e95e7734e7e3a10291044ca50bcdd4907e7f60bf42d7405a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking rmodbus v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "135fd7e5eabde9e95e7734e7e3a10291044ca50bcdd4907e7f60bf42d7405a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135fd7e5eabde9e95e7734e7e3a10291044ca50bcdd4907e7f60bf42d7405a9f", kill_on_drop: false }`
[INFO] [stdout] 135fd7e5eabde9e95e7734e7e3a10291044ca50bcdd4907e7f60bf42d7405a9f