[INFO] fetching crate ngrammatic 0.3.2...
[INFO] checking ngrammatic-0.3.2 against beta for pr-78714
[INFO] extracting crate ngrammatic 0.3.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ngrammatic 0.3.2 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 ngrammatic 0.3.2
[INFO] finished tweaking crates.io crate ngrammatic 0.3.2
[INFO] tweaked toml for crates.io crate ngrammatic 0.3.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddaf2f478ea90681fe55269a7fd02051a72219871d24a4cd4c23d9a35c67e352
[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" "ddaf2f478ea90681fe55269a7fd02051a72219871d24a4cd4c23d9a35c67e352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddaf2f478ea90681fe55269a7fd02051a72219871d24a4cd4c23d9a35c67e352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaf2f478ea90681fe55269a7fd02051a72219871d24a4cd4c23d9a35c67e352", kill_on_drop: false }`
[INFO] [stdout] ddaf2f478ea90681fe55269a7fd02051a72219871d24a4cd4c23d9a35c67e352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ebc443d61a709e1b661e76dba79f3a491e5e04afdee0d917a49127af7e99b5e
[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" "0ebc443d61a709e1b661e76dba79f3a491e5e04afdee0d917a49127af7e99b5e", kill_on_drop: false }`
[INFO] [stderr]     Checking ngrammatic v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "0ebc443d61a709e1b661e76dba79f3a491e5e04afdee0d917a49127af7e99b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebc443d61a709e1b661e76dba79f3a491e5e04afdee0d917a49127af7e99b5e", kill_on_drop: false }`
[INFO] [stdout] 0ebc443d61a709e1b661e76dba79f3a491e5e04afdee0d917a49127af7e99b5e