[INFO] fetching crate logfast 0.1.2...
[INFO] checking logfast-0.1.2 against beta for pr-78714
[INFO] extracting crate logfast 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate logfast 0.1.2 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 crates.io crate logfast 0.1.2
[INFO] finished tweaking crates.io crate logfast 0.1.2
[INFO] tweaked toml for crates.io crate logfast 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5761fb27bbc8a85e997d567f1e6b741809708c5fca434f847456c138aebeaaec
[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" "5761fb27bbc8a85e997d567f1e6b741809708c5fca434f847456c138aebeaaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5761fb27bbc8a85e997d567f1e6b741809708c5fca434f847456c138aebeaaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5761fb27bbc8a85e997d567f1e6b741809708c5fca434f847456c138aebeaaec", kill_on_drop: false }`
[INFO] [stdout] 5761fb27bbc8a85e997d567f1e6b741809708c5fca434f847456c138aebeaaec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 97553ad1c8280b249256f195d85ee276c9e190f91b0cf529079827c162c9141f
[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" "97553ad1c8280b249256f195d85ee276c9e190f91b0cf529079827c162c9141f", kill_on_drop: false }`
[INFO] [stderr]     Checking die v0.2.0
[INFO] [stderr]     Checking logfast v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "97553ad1c8280b249256f195d85ee276c9e190f91b0cf529079827c162c9141f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97553ad1c8280b249256f195d85ee276c9e190f91b0cf529079827c162c9141f", kill_on_drop: false }`
[INFO] [stdout] 97553ad1c8280b249256f195d85ee276c9e190f91b0cf529079827c162c9141f