[INFO] cloning repository https://github.com/badboy/flat-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/flat-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fflat-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fflat-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4470ec3f767b1eb4fcb3920c7abce67f5d92392
[INFO] checking badboy/flat-json against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fflat-json" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/flat-json on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/badboy/flat-json
[INFO] finished tweaking git repo https://github.com/badboy/flat-json
[INFO] tweaked toml for git repo https://github.com/badboy/flat-json written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/flat-json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47380e210717d4e9f6094a9d4b0e85594f7455511cf380a379fd9f2257df0b27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47380e210717d4e9f6094a9d4b0e85594f7455511cf380a379fd9f2257df0b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47380e210717d4e9f6094a9d4b0e85594f7455511cf380a379fd9f2257df0b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47380e210717d4e9f6094a9d4b0e85594f7455511cf380a379fd9f2257df0b27", kill_on_drop: false }`
[INFO] [stdout] 47380e210717d4e9f6094a9d4b0e85594f7455511cf380a379fd9f2257df0b27
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deedde8786867cbf8615671948e3dd5c252c9697a161b09fe810bdd85701a38f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "deedde8786867cbf8615671948e3dd5c252c9697a161b09fe810bdd85701a38f", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking flat-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "deedde8786867cbf8615671948e3dd5c252c9697a161b09fe810bdd85701a38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deedde8786867cbf8615671948e3dd5c252c9697a161b09fe810bdd85701a38f", kill_on_drop: false }`
[INFO] [stdout] deedde8786867cbf8615671948e3dd5c252c9697a161b09fe810bdd85701a38f