[INFO] fetching crate x96check 0.1.0...
[INFO] documenting x96check-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate x96check 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate x96check 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x96check 0.1.0
[INFO] finished tweaking crates.io crate x96check 0.1.0
[INFO] tweaked toml for crates.io crate x96check 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate x96check 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] a9f7808ada2582810304052922a6bedce95d561745b5135214ca2210a34a0fed
[INFO] running `Command { std: "docker" "start" "-a" "a9f7808ada2582810304052922a6bedce95d561745b5135214ca2210a34a0fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f7808ada2582810304052922a6bedce95d561745b5135214ca2210a34a0fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f7808ada2582810304052922a6bedce95d561745b5135214ca2210a34a0fed", kill_on_drop: false }`
[INFO] [stdout] a9f7808ada2582810304052922a6bedce95d561745b5135214ca2210a34a0fed
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 61d1d770a552ca3eca7c42eb822ec9827e4574c6c80828c086e56dfa72e0a48f
[INFO] running `Command { std: "docker" "start" "-a" "61d1d770a552ca3eca7c42eb822ec9827e4574c6c80828c086e56dfa72e0a48f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]  Documenting x96check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "61d1d770a552ca3eca7c42eb822ec9827e4574c6c80828c086e56dfa72e0a48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d1d770a552ca3eca7c42eb822ec9827e4574c6c80828c086e56dfa72e0a48f", kill_on_drop: false }`
[INFO] [stdout] 61d1d770a552ca3eca7c42eb822ec9827e4574c6c80828c086e56dfa72e0a48f