[INFO] cloning repository https://github.com/VRaj23/race-to-100
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VRaj23/race-to-100" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVRaj23%2Frace-to-100", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVRaj23%2Frace-to-100'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d6807854c4545ba5c8c962ac6f5b35e3c48c0e6
[INFO] checking VRaj23/race-to-100 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVRaj23%2Frace-to-100" "/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/VRaj23/race-to-100 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VRaj23/race-to-100
[INFO] finished tweaking git repo https://github.com/VRaj23/race-to-100
[INFO] tweaked toml for git repo https://github.com/VRaj23/race-to-100 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/VRaj23/race-to-100 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 4b39ca852bbdd96e1dbc4e4df12f1e71f3c229b3a9602c36bd9c9bd3d2dd2245
[INFO] running `Command { std: "docker" "start" "-a" "4b39ca852bbdd96e1dbc4e4df12f1e71f3c229b3a9602c36bd9c9bd3d2dd2245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b39ca852bbdd96e1dbc4e4df12f1e71f3c229b3a9602c36bd9c9bd3d2dd2245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b39ca852bbdd96e1dbc4e4df12f1e71f3c229b3a9602c36bd9c9bd3d2dd2245", kill_on_drop: false }`
[INFO] [stdout] 4b39ca852bbdd96e1dbc4e4df12f1e71f3c229b3a9602c36bd9c9bd3d2dd2245
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0419c01df1cec032c8cf3594e41d9cf3982b9e0343b61f0f79aa6187c5dd6e0
[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" "c0419c01df1cec032c8cf3594e41d9cf3982b9e0343b61f0f79aa6187c5dd6e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking race_to_100 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "c0419c01df1cec032c8cf3594e41d9cf3982b9e0343b61f0f79aa6187c5dd6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0419c01df1cec032c8cf3594e41d9cf3982b9e0343b61f0f79aa6187c5dd6e0", kill_on_drop: false }`
[INFO] [stdout] c0419c01df1cec032c8cf3594e41d9cf3982b9e0343b61f0f79aa6187c5dd6e0