[INFO] fetching crate black-jack 0.1.0...
[INFO] documenting black-jack-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate black-jack 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate black-jack 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 black-jack 0.1.0
[INFO] finished tweaking crates.io crate black-jack 0.1.0
[INFO] tweaked toml for crates.io crate black-jack 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf1ed2d3270fe8145fed8e9dbf672b86c1344555935070f2107ac2a668f68fbf
[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" "bf1ed2d3270fe8145fed8e9dbf672b86c1344555935070f2107ac2a668f68fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf1ed2d3270fe8145fed8e9dbf672b86c1344555935070f2107ac2a668f68fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1ed2d3270fe8145fed8e9dbf672b86c1344555935070f2107ac2a668f68fbf", kill_on_drop: false }`
[INFO] [stdout] bf1ed2d3270fe8145fed8e9dbf672b86c1344555935070f2107ac2a668f68fbf
[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" "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] e2318e2240d550d12f19f87e62e40e39c56bf0f39981d73169679c74aa328ebd
[INFO] running `Command { std: "docker" "start" "-a" "e2318e2240d550d12f19f87e62e40e39c56bf0f39981d73169679c74aa328ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking baggie v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling GSL v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking streaming-stats v0.2.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling black-jack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting black-jack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.14s
[INFO] running `Command { std: "docker" "inspect" "e2318e2240d550d12f19f87e62e40e39c56bf0f39981d73169679c74aa328ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2318e2240d550d12f19f87e62e40e39c56bf0f39981d73169679c74aa328ebd", kill_on_drop: false }`
[INFO] [stdout] e2318e2240d550d12f19f87e62e40e39c56bf0f39981d73169679c74aa328ebd