[INFO] fetching crate tilejson 0.2.2...
[INFO] checking tilejson-0.2.2 against beta for pr-78714
[INFO] extracting crate tilejson 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tilejson 0.2.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tilejson 0.2.2
[INFO] finished tweaking crates.io crate tilejson 0.2.2
[INFO] tweaked toml for crates.io crate tilejson 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66e4d1848af59139390d86ada50e23e9f227f513b32937c23a4369704d68e791
[INFO] running `Command { std: "docker" "start" "-a" "66e4d1848af59139390d86ada50e23e9f227f513b32937c23a4369704d68e791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e4d1848af59139390d86ada50e23e9f227f513b32937c23a4369704d68e791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e4d1848af59139390d86ada50e23e9f227f513b32937c23a4369704d68e791", kill_on_drop: false }`
[INFO] [stdout] 66e4d1848af59139390d86ada50e23e9f227f513b32937c23a4369704d68e791
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4bbe41b7a6032434138cc35bcc3a55a1d80a9f7a291d28a404720b2b9af631
[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" "8e4bbe41b7a6032434138cc35bcc3a55a1d80a9f7a291d28a404720b2b9af631", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking tilejson v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "8e4bbe41b7a6032434138cc35bcc3a55a1d80a9f7a291d28a404720b2b9af631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4bbe41b7a6032434138cc35bcc3a55a1d80a9f7a291d28a404720b2b9af631", kill_on_drop: false }`
[INFO] [stdout] 8e4bbe41b7a6032434138cc35bcc3a55a1d80a9f7a291d28a404720b2b9af631