[INFO] fetching crate charts 0.3.0...
[INFO] checking charts-0.3.0 against beta for pr-78714
[INFO] extracting crate charts 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate charts 0.3.0 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 charts 0.3.0
[INFO] finished tweaking crates.io crate charts 0.3.0
[INFO] tweaked toml for crates.io crate charts 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate charts 0.3.0 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-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" "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] d5bfd04a3676e651c60a390dbfe0c134cde8004e4eab51db7e4b7f8b63e0c935
[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" "d5bfd04a3676e651c60a390dbfe0c134cde8004e4eab51db7e4b7f8b63e0c935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bfd04a3676e651c60a390dbfe0c134cde8004e4eab51db7e4b7f8b63e0c935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bfd04a3676e651c60a390dbfe0c134cde8004e4eab51db7e4b7f8b63e0c935", kill_on_drop: false }`
[INFO] [stdout] d5bfd04a3676e651c60a390dbfe0c134cde8004e4eab51db7e4b7f8b63e0c935
[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=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] 2e051b9576d4e5f6ff684681cfb8807fb348c3744c4c39c46af0ac0f1ab4c4e3
[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" "2e051b9576d4e5f6ff684681cfb8807fb348c3744c4c39c46af0ac0f1ab4c4e3", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking svg v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking format_num v0.1.0
[INFO] [stderr]     Checking charts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "2e051b9576d4e5f6ff684681cfb8807fb348c3744c4c39c46af0ac0f1ab4c4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e051b9576d4e5f6ff684681cfb8807fb348c3744c4c39c46af0ac0f1ab4c4e3", kill_on_drop: false }`
[INFO] [stdout] 2e051b9576d4e5f6ff684681cfb8807fb348c3744c4c39c46af0ac0f1ab4c4e3