[INFO] crate serde_eetf 0.2.0 is already in cache
[INFO] checking serde_eetf-0.2.0 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate serde_eetf 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_eetf 0.2.0 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_eetf 0.2.0
[INFO] finished tweaking crates.io crate serde_eetf 0.2.0
[INFO] tweaked toml for crates.io crate serde_eetf 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "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] 6d97142f4ee714404348714b41bc44d869d0a963400214654d21c2dc7de997ca
[INFO] running `"docker" "start" "-a" "6d97142f4ee714404348714b41bc44d869d0a963400214654d21c2dc7de997ca"`
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking eetf v0.4.0
[INFO] [stderr]     Checking serde_eetf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `AnotherOption`
[INFO] [stderr]    --> src/ser.rs:567:13
[INFO] [stderr]     |
[INFO] [stderr] 567 |             AnotherOption,
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `"docker" "inspect" "6d97142f4ee714404348714b41bc44d869d0a963400214654d21c2dc7de997ca"`
[INFO] running `"docker" "rm" "-f" "6d97142f4ee714404348714b41bc44d869d0a963400214654d21c2dc7de997ca"`
[INFO] [stdout] 6d97142f4ee714404348714b41bc44d869d0a963400214654d21c2dc7de997ca