[INFO] crate tokio-modbus 0.4.0 is already in cache
[INFO] checking tokio-modbus-0.4.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate tokio-modbus 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-modbus 0.4.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-modbus 0.4.0
[INFO] finished tweaking crates.io crate tokio-modbus 0.4.0
[INFO] tweaked toml for crates.io crate tokio-modbus 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tokio-modbus 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] a6c5fe5780119ac4c6820f8e50f4f0c09a5a9b20f3d8ec3efb1f2339a4bb8e97
[INFO] running `"docker" "start" "-a" "a6c5fe5780119ac4c6820f8e50f4f0c09a5a9b20f3d8ec3efb1f2339a4bb8e97"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-modbus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.79s
[INFO] running `"docker" "inspect" "a6c5fe5780119ac4c6820f8e50f4f0c09a5a9b20f3d8ec3efb1f2339a4bb8e97"`
[INFO] running `"docker" "rm" "-f" "a6c5fe5780119ac4c6820f8e50f4f0c09a5a9b20f3d8ec3efb1f2339a4bb8e97"`
[INFO] [stdout] a6c5fe5780119ac4c6820f8e50f4f0c09a5a9b20f3d8ec3efb1f2339a4bb8e97