[INFO] cloning repository https://github.com/lf-wxp/rust-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf-wxp/rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-wxp%2Frust-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-wxp%2Frust-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 159682b776f2527ed9b131c6e89aac819b0a8e5b
[INFO] checking lf-wxp/rust-grep against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-wxp%2Frust-grep" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lf-wxp/rust-grep 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/lf-wxp/rust-grep
[INFO] finished tweaking git repo https://github.com/lf-wxp/rust-grep
[INFO] tweaked toml for git repo https://github.com/lf-wxp/rust-grep written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lf-wxp/rust-grep 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9b644e97d5bcf89369a8ab531af216b7e6eae6c7f0ca4d00d7f0eff57a0d29f2
[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" "9b644e97d5bcf89369a8ab531af216b7e6eae6c7f0ca4d00d7f0eff57a0d29f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b644e97d5bcf89369a8ab531af216b7e6eae6c7f0ca4d00d7f0eff57a0d29f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b644e97d5bcf89369a8ab531af216b7e6eae6c7f0ca4d00d7f0eff57a0d29f2", kill_on_drop: false }`
[INFO] [stdout] 9b644e97d5bcf89369a8ab531af216b7e6eae6c7f0ca4d00d7f0eff57a0d29f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fc33b6c6c3ed84df2acd9ee6ff384f8f118d41552bf39fd4beb1910e5924b50b
[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" "fc33b6c6c3ed84df2acd9ee6ff384f8f118d41552bf39fd4beb1910e5924b50b", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "fc33b6c6c3ed84df2acd9ee6ff384f8f118d41552bf39fd4beb1910e5924b50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc33b6c6c3ed84df2acd9ee6ff384f8f118d41552bf39fd4beb1910e5924b50b", kill_on_drop: false }`
[INFO] [stdout] fc33b6c6c3ed84df2acd9ee6ff384f8f118d41552bf39fd4beb1910e5924b50b