[INFO] cloning repository https://github.com/NjengaSaruni/RustDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NjengaSaruni/RustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNjengaSaruni%2FRustDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNjengaSaruni%2FRustDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b549df7f68832d86c110e4f637c1d18db789568b
[INFO] checking NjengaSaruni/RustDemo against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNjengaSaruni%2FRustDemo" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NjengaSaruni/RustDemo on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NjengaSaruni/RustDemo
[INFO] finished tweaking git repo https://github.com/NjengaSaruni/RustDemo
[INFO] tweaked toml for git repo https://github.com/NjengaSaruni/RustDemo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/NjengaSaruni/RustDemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 0d6f278359f21b314e26610338634d1f5089dc505ca26056e1d6c97118adfea9
[INFO] running `Command { std: "docker" "start" "-a" "0d6f278359f21b314e26610338634d1f5089dc505ca26056e1d6c97118adfea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d6f278359f21b314e26610338634d1f5089dc505ca26056e1d6c97118adfea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6f278359f21b314e26610338634d1f5089dc505ca26056e1d6c97118adfea9", kill_on_drop: false }`
[INFO] [stdout] 0d6f278359f21b314e26610338634d1f5089dc505ca26056e1d6c97118adfea9
[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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 569fa23ff5a7dcbbbd45c195ca9b9087843fdc39b65ba543b0fcc0bbc981450a
[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" "569fa23ff5a7dcbbbd45c195ca9b9087843fdc39b65ba543b0fcc0bbc981450a", kill_on_drop: false }`
[INFO] [stderr]     Checking learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "569fa23ff5a7dcbbbd45c195ca9b9087843fdc39b65ba543b0fcc0bbc981450a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569fa23ff5a7dcbbbd45c195ca9b9087843fdc39b65ba543b0fcc0bbc981450a", kill_on_drop: false }`
[INFO] [stdout] 569fa23ff5a7dcbbbd45c195ca9b9087843fdc39b65ba543b0fcc0bbc981450a