[INFO] fetching crate sp-serializer 2.0.0-alpha.3...
[INFO] checking sp-serializer-2.0.0-alpha.3 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate sp-serializer 2.0.0-alpha.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sp-serializer 2.0.0-alpha.3 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sp-serializer 2.0.0-alpha.3
[INFO] finished tweaking crates.io crate sp-serializer 2.0.0-alpha.3
[INFO] tweaked toml for crates.io crate sp-serializer 2.0.0-alpha.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] cdd4605fb5b3c7e48d208ead5d14db1d963074d9755db0bf790e5829c4284c33
[INFO] running `"docker" "start" "-a" "cdd4605fb5b3c7e48d208ead5d14db1d963074d9755db0bf790e5829c4284c33"`
[INFO] [stderr]     Checking sp-serializer v2.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "cdd4605fb5b3c7e48d208ead5d14db1d963074d9755db0bf790e5829c4284c33"`
[INFO] running `"docker" "rm" "-f" "cdd4605fb5b3c7e48d208ead5d14db1d963074d9755db0bf790e5829c4284c33"`
[INFO] [stdout] cdd4605fb5b3c7e48d208ead5d14db1d963074d9755db0bf790e5829c4284c33