[INFO] crate jrpc-macro 1.0.0 is already in cache
[INFO] checking jrpc-macro-1.0.0 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate jrpc-macro 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jrpc-macro 1.0.0 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jrpc-macro 1.0.0
[INFO] finished tweaking crates.io crate jrpc-macro 1.0.0
[INFO] tweaked toml for crates.io crate jrpc-macro 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 6bfebb71f15ab83bc54f24a249fd284fb6b3296a28ce14df0861b68a412fd826
[INFO] running `"docker" "start" "-a" "6bfebb71f15ab83bc54f24a249fd284fb6b3296a28ce14df0861b68a412fd826"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking syn v1.0.18
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking jrpc-macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:533:35
[INFO] [stderr]     |
[INFO] [stderr] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]    --> src/lib.rs:533:35
[INFO] [stderr]     |
[INFO] [stderr] 533 | fn rpc_param_name(pat: &syn::Pat, attrs: &[syn::Attribute]) -> syn::parse::Result<String> {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_attrs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `"docker" "inspect" "6bfebb71f15ab83bc54f24a249fd284fb6b3296a28ce14df0861b68a412fd826"`
[INFO] running `"docker" "rm" "-f" "6bfebb71f15ab83bc54f24a249fd284fb6b3296a28ce14df0861b68a412fd826"`
[INFO] [stdout] 6bfebb71f15ab83bc54f24a249fd284fb6b3296a28ce14df0861b68a412fd826