[INFO] cloning repository https://github.com/dprint/dprint-plugin-json
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dprint/dprint-plugin-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd7de6140a484f238ab69eddf846cfbb61ce09a5
[INFO] checking dprint/dprint-plugin-json against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdprint%2Fdprint-plugin-json" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dprint/dprint-plugin-json on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dprint/dprint-plugin-json
[INFO] finished tweaking git repo https://github.com/dprint/dprint-plugin-json
[INFO] tweaked toml for git repo https://github.com/dprint/dprint-plugin-json written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dprint/dprint-plugin-json already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] ca8a409bc987cdf68d51ec45f8c89575a080e5e193aa64254d9f78128891ff99
[INFO] running `"docker" "start" "-a" "ca8a409bc987cdf68d51ec45f8c89575a080e5e193aa64254d9f78128891ff99"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking jsonc-parser v0.12.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking debug-here v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking dprint-core v0.21.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking dprint-development v0.2.0
[INFO] [stderr]     Checking dprint-plugin-jsonc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.06s
[INFO] running `"docker" "inspect" "ca8a409bc987cdf68d51ec45f8c89575a080e5e193aa64254d9f78128891ff99"`
[INFO] running `"docker" "rm" "-f" "ca8a409bc987cdf68d51ec45f8c89575a080e5e193aa64254d9f78128891ff99"`
[INFO] [stdout] ca8a409bc987cdf68d51ec45f8c89575a080e5e193aa64254d9f78128891ff99