[INFO] crate lightning-wire-msgs-derive-base 0.2.6 is already in cache
[INFO] checking lightning-wire-msgs-derive-base-0.2.6 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate lightning-wire-msgs-derive-base 0.2.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lightning-wire-msgs-derive-base 0.2.6 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lightning-wire-msgs-derive-base 0.2.6
[INFO] finished tweaking crates.io crate lightning-wire-msgs-derive-base 0.2.6
[INFO] tweaked toml for crates.io crate lightning-wire-msgs-derive-base 0.2.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ba4f2adeec8e3b19e9dd1307223f54f60c3f5c8f33a23c4b1882c7dba1f5988
[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" "9ba4f2adeec8e3b19e9dd1307223f54f60c3f5c8f33a23c4b1882c7dba1f5988"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking lightning-wire-msgs-derive-base v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/wire_msg.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 | | ...                   })
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 |                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 |                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 |                                 _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 |                             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/wire_msg.rs:176:29
[INFO] [stderr]     |
[INFO] [stderr] 176 | / ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 | | ...                       syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 | | ...                       _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 | | ...                   })
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 176 |                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stderr] 177 |                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stderr] 178 |                                 _ => panic!("tlv value must be Option"),
[INFO] [stderr] 179 |                             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `"docker" "inspect" "9ba4f2adeec8e3b19e9dd1307223f54f60c3f5c8f33a23c4b1882c7dba1f5988"`
[INFO] running `"docker" "rm" "-f" "9ba4f2adeec8e3b19e9dd1307223f54f60c3f5c8f33a23c4b1882c7dba1f5988"`
[INFO] [stdout] 9ba4f2adeec8e3b19e9dd1307223f54f60c3f5c8f33a23c4b1882c7dba1f5988
