[INFO] fetching crate mccs-caps 0.1.0...
[INFO] building mccs-caps-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mccs-caps 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mccs-caps 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mccs-caps 0.1.0
[INFO] finished tweaking crates.io crate mccs-caps 0.1.0
[INFO] tweaked toml for crates.io crate mccs-caps 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 26e14e40756d54698707a78f7954034ba399035b5465cfa0ecbc93c7b294ddac
[INFO] running `Command { std: "docker" "start" "-a" "26e14e40756d54698707a78f7954034ba399035b5465cfa0ecbc93c7b294ddac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e14e40756d54698707a78f7954034ba399035b5465cfa0ecbc93c7b294ddac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e14e40756d54698707a78f7954034ba399035b5465cfa0ecbc93c7b294ddac", kill_on_drop: false }`
[INFO] [stdout] 26e14e40756d54698707a78f7954034ba399035b5465cfa0ecbc93c7b294ddac
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ee2bac9b9e87a30a27ab880c3b7dc808e97e621da7f272168dbf377ca80762
[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" "d5ee2bac9b9e87a30a27ab880c3b7dc808e97e621da7f272168dbf377ca80762", kill_on_drop: false }`
[INFO] [stderr]    Compiling mccs-caps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "d5ee2bac9b9e87a30a27ab880c3b7dc808e97e621da7f272168dbf377ca80762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ee2bac9b9e87a30a27ab880c3b7dc808e97e621da7f272168dbf377ca80762", kill_on_drop: false }`
[INFO] [stdout] d5ee2bac9b9e87a30a27ab880c3b7dc808e97e621da7f272168dbf377ca80762
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 175f99830c012ad44f78ace001d9655c0532f392a25ee1d37e4d63daef541048
[INFO] running `Command { std: "docker" "start" "-a" "175f99830c012ad44f78ace001d9655c0532f392a25ee1d37e4d63daef541048", kill_on_drop: false }`
[INFO] [stderr]    Compiling mccs-caps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "175f99830c012ad44f78ace001d9655c0532f392a25ee1d37e4d63daef541048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175f99830c012ad44f78ace001d9655c0532f392a25ee1d37e4d63daef541048", kill_on_drop: false }`
[INFO] [stdout] 175f99830c012ad44f78ace001d9655c0532f392a25ee1d37e4d63daef541048