[INFO] fetching crate mccs-caps 0.1.0...
[INFO] building mccs-caps-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mccs-caps 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mccs-caps 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "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] 2be76763e678b061e07628526145688e103e71c0de3d91a18d56a0f119c45cc8
[INFO] running `Command { std: "docker" "start" "-a" "2be76763e678b061e07628526145688e103e71c0de3d91a18d56a0f119c45cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be76763e678b061e07628526145688e103e71c0de3d91a18d56a0f119c45cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be76763e678b061e07628526145688e103e71c0de3d91a18d56a0f119c45cc8", kill_on_drop: false }`
[INFO] [stdout] 2be76763e678b061e07628526145688e103e71c0de3d91a18d56a0f119c45cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--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] 7de7b57481e48ed08a5e29afde5c366ea59991f445e7ec92ca69dc67a47e85f6
[INFO] running `Command { std: "docker" "start" "-a" "7de7b57481e48ed08a5e29afde5c366ea59991f445e7ec92ca69dc67a47e85f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling mccs v0.1.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling mccs-caps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "7de7b57481e48ed08a5e29afde5c366ea59991f445e7ec92ca69dc67a47e85f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de7b57481e48ed08a5e29afde5c366ea59991f445e7ec92ca69dc67a47e85f6", kill_on_drop: false }`
[INFO] [stdout] 7de7b57481e48ed08a5e29afde5c366ea59991f445e7ec92ca69dc67a47e85f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b73890a78cd6c35c1c3814eba1cefb1a647682778f61c3f7018a9b3a94cc47
[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" "17b73890a78cd6c35c1c3814eba1cefb1a647682778f61c3f7018a9b3a94cc47", kill_on_drop: false }`
[INFO] [stderr]    Compiling mccs-caps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "17b73890a78cd6c35c1c3814eba1cefb1a647682778f61c3f7018a9b3a94cc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b73890a78cd6c35c1c3814eba1cefb1a647682778f61c3f7018a9b3a94cc47", kill_on_drop: false }`
[INFO] [stdout] 17b73890a78cd6c35c1c3814eba1cefb1a647682778f61c3f7018a9b3a94cc47