[INFO] fetching crate rodbus 0.1.1... [INFO] checking rodbus-0.1.1 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] extracting crate rodbus 0.1.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate rodbus 0.1.1 on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rodbus 0.1.1 [INFO] finished tweaking crates.io crate rodbus 0.1.1 [INFO] tweaked toml for crates.io crate rodbus 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate rodbus 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 03ea40cf30bc6245966a9b2e405c4268961c8129fb3a266edab361d12956e549 [INFO] running `"docker" "start" "-a" "03ea40cf30bc6245966a9b2e405c4268961c8129fb3a266edab361d12956e549"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking pin-project-lite v0.1.2 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v1.9.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking simple_logger v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.1 [INFO] [stderr] Checking tokio v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking tokio-test v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking rodbus v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/util/bits.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | ((count as usize + 7) / 8) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/util/bits.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | ((count as usize + 7) / 8) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.48s [INFO] running `"docker" "inspect" "03ea40cf30bc6245966a9b2e405c4268961c8129fb3a266edab361d12956e549"` [INFO] running `"docker" "rm" "-f" "03ea40cf30bc6245966a9b2e405c4268961c8129fb3a266edab361d12956e549"` [INFO] [stdout] 03ea40cf30bc6245966a9b2e405c4268961c8129fb3a266edab361d12956e549