[INFO] fetching crate term-handler 0.1.0...
[INFO] documenting term-handler-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate term-handler 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate term-handler 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate term-handler 0.1.0
[INFO] finished tweaking crates.io crate term-handler 0.1.0
[INFO] tweaked toml for crates.io crate term-handler 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-simple v0.1.1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 531aa0b81a57d6caadf63615928a5e639df3fe292ad8e9e5430ea1baf73bedc4
[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" "531aa0b81a57d6caadf63615928a5e639df3fe292ad8e9e5430ea1baf73bedc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531aa0b81a57d6caadf63615928a5e639df3fe292ad8e9e5430ea1baf73bedc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531aa0b81a57d6caadf63615928a5e639df3fe292ad8e9e5430ea1baf73bedc4", kill_on_drop: false }`
[INFO] [stdout] 531aa0b81a57d6caadf63615928a5e639df3fe292ad8e9e5430ea1baf73bedc4
[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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 926d83f5be412676043367e501880315fb7b4bc267abc833595def3ce223a4f3
[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" "926d83f5be412676043367e501880315fb7b4bc267abc833595def3ce223a4f3", kill_on_drop: false }`
[INFO] [stderr]     Checking signal-simple v0.1.1
[INFO] [stderr]  Documenting term-handler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "926d83f5be412676043367e501880315fb7b4bc267abc833595def3ce223a4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926d83f5be412676043367e501880315fb7b4bc267abc833595def3ce223a4f3", kill_on_drop: false }`
[INFO] [stdout] 926d83f5be412676043367e501880315fb7b4bc267abc833595def3ce223a4f3