[INFO] fetching crate mop-solver 0.0.1...
[INFO] checking mop-solver-0.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate mop-solver 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mop-solver 0.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mop-solver 0.0.1
[INFO] finished tweaking crates.io crate mop-solver 0.0.1
[INFO] tweaked toml for crates.io crate mop-solver 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb15c64a3e7ce1a7e5d9f19f7db7e4feaa46e77f4bfc70e24dd4615381711142
[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" "bb15c64a3e7ce1a7e5d9f19f7db7e4feaa46e77f4bfc70e24dd4615381711142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb15c64a3e7ce1a7e5d9f19f7db7e4feaa46e77f4bfc70e24dd4615381711142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb15c64a3e7ce1a7e5d9f19f7db7e4feaa46e77f4bfc70e24dd4615381711142", kill_on_drop: false }`
[INFO] [stdout] bb15c64a3e7ce1a7e5d9f19f7db7e4feaa46e77f4bfc70e24dd4615381711142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 485da69463cb779a61673787f0038f4a14b23a56e879a6c95fcdfac646d3d806
[INFO] running `Command { std: "docker" "start" "-a" "485da69463cb779a61673787f0038f4a14b23a56e879a6c95fcdfac646d3d806", kill_on_drop: false }`
[INFO] [stderr]     Checking mop-solver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "485da69463cb779a61673787f0038f4a14b23a56e879a6c95fcdfac646d3d806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485da69463cb779a61673787f0038f4a14b23a56e879a6c95fcdfac646d3d806", kill_on_drop: false }`
[INFO] [stdout] 485da69463cb779a61673787f0038f4a14b23a56e879a6c95fcdfac646d3d806
