[INFO] updating cached repository https://github.com/ncalexan/slog-nested-values-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce5633d45de052e3b16dd66c3546f44c2d184448
[INFO] checking ncalexan/slog-nested-values-example against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fncalexan%2Fslog-nested-values-example" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ncalexan/slog-nested-values-example on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ncalexan/slog-nested-values-example
[INFO] finished tweaking git repo https://github.com/ncalexan/slog-nested-values-example
[INFO] tweaked toml for git repo https://github.com/ncalexan/slog-nested-values-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ncalexan/slog-nested-values-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 08955466240a89cb7a0f6ea66f0ae48d9c92ed6c8fcfb884b28e04d6e479aafc
[INFO] running `"docker" "start" "-a" "08955466240a89cb7a0f6ea66f0ae48d9c92ed6c8fcfb884b28e04d6e479aafc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking erased-serde v0.3.11
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking slog-nested-values-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.97s
[INFO] running `"docker" "inspect" "08955466240a89cb7a0f6ea66f0ae48d9c92ed6c8fcfb884b28e04d6e479aafc"`
[INFO] running `"docker" "rm" "-f" "08955466240a89cb7a0f6ea66f0ae48d9c92ed6c8fcfb884b28e04d6e479aafc"`
[INFO] [stdout] 08955466240a89cb7a0f6ea66f0ae48d9c92ed6c8fcfb884b28e04d6e479aafc