[INFO] crate tokio-modbus 0.3.5 is already in cache
[INFO] checking tokio-modbus-0.3.5 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate tokio-modbus 0.3.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tokio-modbus 0.3.5 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-modbus 0.3.5
[INFO] finished tweaking crates.io crate tokio-modbus 0.3.5
[INFO] tweaked toml for crates.io crate tokio-modbus 0.3.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tokio-modbus 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7a90fbc9c1972a8f77a86f8475f3f05a73529ff94778354a8784f5ff123af8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e7a90fbc9c1972a8f77a86f8475f3f05a73529ff94778354a8784f5ff123af8f"`
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]     Checking tokio-serial v3.3.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-modbus v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.61s
[INFO] running `"docker" "inspect" "e7a90fbc9c1972a8f77a86f8475f3f05a73529ff94778354a8784f5ff123af8f"`
[INFO] running `"docker" "rm" "-f" "e7a90fbc9c1972a8f77a86f8475f3f05a73529ff94778354a8784f5ff123af8f"`
[INFO] [stdout] e7a90fbc9c1972a8f77a86f8475f3f05a73529ff94778354a8784f5ff123af8f