[INFO] fetching crate rmodbus 0.5.1...
[INFO] checking rmodbus-0.5.1 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate rmodbus 0.5.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rmodbus 0.5.1 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmodbus 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.5.1
[INFO] tweaked toml for crates.io crate rmodbus 0.5.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2e54a0d0a5cdb5e28a00a7242d044a2ba26ec10b9847d00d8623804e4b13f4
[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" "6e2e54a0d0a5cdb5e28a00a7242d044a2ba26ec10b9847d00d8623804e4b13f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2e54a0d0a5cdb5e28a00a7242d044a2ba26ec10b9847d00d8623804e4b13f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2e54a0d0a5cdb5e28a00a7242d044a2ba26ec10b9847d00d8623804e4b13f4", kill_on_drop: false }`
[INFO] [stdout] 6e2e54a0d0a5cdb5e28a00a7242d044a2ba26ec10b9847d00d8623804e4b13f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc67b90b053e31e043eaad9b80583c262af4cc75663b0ce134c1358d1cc6ae6f
[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" "bc67b90b053e31e043eaad9b80583c262af4cc75663b0ce134c1358d1cc6ae6f", 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 ppv-lite86 v0.2.9
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking spin v0.5.2
[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 lazy_static v1.4.0
[INFO] [stderr]     Checking rmodbus v0.5.1 (/opt/rustwide/workdir)
[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 9.34s
[INFO] running `Command { std: "docker" "inspect" "bc67b90b053e31e043eaad9b80583c262af4cc75663b0ce134c1358d1cc6ae6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc67b90b053e31e043eaad9b80583c262af4cc75663b0ce134c1358d1cc6ae6f", kill_on_drop: false }`
[INFO] [stdout] bc67b90b053e31e043eaad9b80583c262af4cc75663b0ce134c1358d1cc6ae6f