[INFO] crate sp-serializer 2.0.0-alpha.6 is already in cache
[INFO] checking sp-serializer-2.0.0-alpha.6 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate sp-serializer 2.0.0-alpha.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sp-serializer 2.0.0-alpha.6 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sp-serializer 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate sp-serializer 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate sp-serializer 2.0.0-alpha.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] fc4a6a608a3783c5c78b7cbfc1d8a7a0c9a6ea223eaac5e381c0858707f3c631
[INFO] running `"docker" "start" "-a" "fc4a6a608a3783c5c78b7cbfc1d8a7a0c9a6ea223eaac5e381c0858707f3c631"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking sp-serializer v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "fc4a6a608a3783c5c78b7cbfc1d8a7a0c9a6ea223eaac5e381c0858707f3c631"`
[INFO] running `"docker" "rm" "-f" "fc4a6a608a3783c5c78b7cbfc1d8a7a0c9a6ea223eaac5e381c0858707f3c631"`
[INFO] [stdout] fc4a6a608a3783c5c78b7cbfc1d8a7a0c9a6ea223eaac5e381c0858707f3c631