[INFO] crate alt_serde_derive 1.0.104 is already in cache [INFO] checking alt_serde_derive-1.0.104 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] extracting crate alt_serde_derive 1.0.104 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate alt_serde_derive 1.0.104 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate alt_serde_derive 1.0.104 [INFO] finished tweaking crates.io crate alt_serde_derive 1.0.104 [INFO] tweaked toml for crates.io crate alt_serde_derive 1.0.104 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] 46ae6d95b2d851fe9653e73c21a47e654e3123da48463a1d4b0a61585ce4458b [INFO] running `"docker" "start" "-a" "46ae6d95b2d851fe9653e73c21a47e654e3123da48463a1d4b0a61585ce4458b"` [INFO] [stderr] Checking proc-macro2 v1.0.8 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking syn v1.0.14 [INFO] [stderr] Checking alt_serde_derive v1.0.104 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/ser.rs:875:13 [INFO] [stderr] | [INFO] [stderr] 875 | (StructTrait::SerializeStruct) [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/ser.rs:875:13 [INFO] [stderr] | [INFO] [stderr] 875 | (StructTrait::SerializeStruct) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.36s [INFO] running `"docker" "inspect" "46ae6d95b2d851fe9653e73c21a47e654e3123da48463a1d4b0a61585ce4458b"` [INFO] running `"docker" "rm" "-f" "46ae6d95b2d851fe9653e73c21a47e654e3123da48463a1d4b0a61585ce4458b"` [INFO] [stdout] 46ae6d95b2d851fe9653e73c21a47e654e3123da48463a1d4b0a61585ce4458b