[INFO] crate rusty-money 0.3.4 is already in cache
[INFO] checking rusty-money-0.3.4 against master#f9fdf642bab2bfcabe1829a4c82aaf055330661b for pr-73102
[INFO] extracting crate rusty-money 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rusty-money 0.3.4 on toolchain f9fdf642bab2bfcabe1829a4c82aaf055330661b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusty-money 0.3.4
[INFO] finished tweaking crates.io crate rusty-money 0.3.4
[INFO] tweaked toml for crates.io crate rusty-money 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "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-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" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 166c6b8c718618c9bb4f7fac7efdc177e7266228ba1e7c79fc2194a4455850e4
[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" "166c6b8c718618c9bb4f7fac7efdc177e7266228ba1e7c79fc2194a4455850e4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rust_decimal v1.6.0
[INFO] [stderr]    Compiling rust_decimal_macro_impls v1.6.0
[INFO] [stderr]     Checking rust_decimal_macros v1.6.0
[INFO] [stderr]     Checking rusty-money v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/money.rs:492:9
[INFO] [stderr]     |
[INFO] [stderr] 492 |         money!(1, "USD") + money!(1, "GBP");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/money.rs:499:9
[INFO] [stderr]     |
[INFO] [stderr] 499 |         money!(1, "USD") - money!(1, "GBP");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `"docker" "inspect" "166c6b8c718618c9bb4f7fac7efdc177e7266228ba1e7c79fc2194a4455850e4"`
[INFO] running `"docker" "rm" "-f" "166c6b8c718618c9bb4f7fac7efdc177e7266228ba1e7c79fc2194a4455850e4"`
[INFO] [stdout] 166c6b8c718618c9bb4f7fac7efdc177e7266228ba1e7c79fc2194a4455850e4