[INFO] crate raw_serde_derive 0.1.2 is already in cache
[INFO] checking raw_serde_derive-0.1.2 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate raw_serde_derive 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate raw_serde_derive 0.1.2 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate raw_serde_derive 0.1.2
[INFO] finished tweaking crates.io crate raw_serde_derive 0.1.2
[INFO] tweaked toml for crates.io crate raw_serde_derive 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a340692fb27cca9356b2c43f31a8487c2e08a1311ac7a73193895b2a9cc7fe5
[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" "8a340692fb27cca9356b2c43f31a8487c2e08a1311ac7a73193895b2a9cc7fe5"`
[INFO] [stderr]     Checking syn v0.10.8
[INFO] [stderr]     Checking raw_serde_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `dclone_4`
[INFO] [stderr]    --> src/lib.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let dclone_4 = data_fields.clone();
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_dclone_4`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dclone_4`
[INFO] [stderr]    --> src/lib.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let dclone_4 = data_fields.clone();
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_dclone_4`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "8a340692fb27cca9356b2c43f31a8487c2e08a1311ac7a73193895b2a9cc7fe5"`
[INFO] running `"docker" "rm" "-f" "8a340692fb27cca9356b2c43f31a8487c2e08a1311ac7a73193895b2a9cc7fe5"`
[INFO] [stdout] 8a340692fb27cca9356b2c43f31a8487c2e08a1311ac7a73193895b2a9cc7fe5