[INFO] cloning repository https://github.com/moazzam3890/Learn-Sing-Dance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moazzam3890/Learn-Sing-Dance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoazzam3890%2FLearn-Sing-Dance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoazzam3890%2FLearn-Sing-Dance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8274fc45a5c4d607f21a00ae2c45d38dc26cdb15
[INFO] checking moazzam3890/Learn-Sing-Dance against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoazzam3890%2FLearn-Sing-Dance" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moazzam3890/Learn-Sing-Dance 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 git repo https://github.com/moazzam3890/Learn-Sing-Dance
[INFO] finished tweaking git repo https://github.com/moazzam3890/Learn-Sing-Dance
[INFO] tweaked toml for git repo https://github.com/moazzam3890/Learn-Sing-Dance written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/moazzam3890/Learn-Sing-Dance already has a lockfile, it will not be regenerated
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7823af41756f41661a9fb6dce0c7a87f543adff7d01c88f9dc91f8ef718159bd
[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" "7823af41756f41661a9fb6dce0c7a87f543adff7d01c88f9dc91f8ef718159bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7823af41756f41661a9fb6dce0c7a87f543adff7d01c88f9dc91f8ef718159bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7823af41756f41661a9fb6dce0c7a87f543adff7d01c88f9dc91f8ef718159bd", kill_on_drop: false }`
[INFO] [stdout] 7823af41756f41661a9fb6dce0c7a87f543adff7d01c88f9dc91f8ef718159bd
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0a00710854897b85c39031eae7d5600c29bdad0b7668d3a4705594d8406e75
[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" "5b0a00710854897b85c39031eae7d5600c29bdad0b7668d3a4705594d8406e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking learn_sing_dance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.84s
[INFO] running `Command { std: "docker" "inspect" "5b0a00710854897b85c39031eae7d5600c29bdad0b7668d3a4705594d8406e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0a00710854897b85c39031eae7d5600c29bdad0b7668d3a4705594d8406e75", kill_on_drop: false }`
[INFO] [stdout] 5b0a00710854897b85c39031eae7d5600c29bdad0b7668d3a4705594d8406e75