[INFO] fetching crate biscuit 0.5.0-beta2...
[INFO] documenting biscuit-0.5.0-beta2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate biscuit 0.5.0-beta2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate biscuit 0.5.0-beta2 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 biscuit 0.5.0-beta2
[INFO] finished tweaking crates.io crate biscuit 0.5.0-beta2
[INFO] tweaked toml for crates.io crate biscuit 0.5.0-beta2 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ca83c0b7852ef750dab312eae14c9d20b46010771fe6591aad84a02a3b8aa442
[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" "ca83c0b7852ef750dab312eae14c9d20b46010771fe6591aad84a02a3b8aa442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca83c0b7852ef750dab312eae14c9d20b46010771fe6591aad84a02a3b8aa442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca83c0b7852ef750dab312eae14c9d20b46010771fe6591aad84a02a3b8aa442", kill_on_drop: false }`
[INFO] [stdout] ca83c0b7852ef750dab312eae14c9d20b46010771fe6591aad84a02a3b8aa442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b066acbc4e5e633c5d557b97c5d2d32dcce98759720b025771a4101aa4a59acb
[INFO] running `Command { std: "docker" "start" "-a" "b066acbc4e5e633c5d557b97c5d2d32dcce98759720b025771a4101aa4a59acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]  Documenting biscuit v0.5.0-beta2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.39s
[INFO] running `Command { std: "docker" "inspect" "b066acbc4e5e633c5d557b97c5d2d32dcce98759720b025771a4101aa4a59acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b066acbc4e5e633c5d557b97c5d2d32dcce98759720b025771a4101aa4a59acb", kill_on_drop: false }`
[INFO] [stdout] b066acbc4e5e633c5d557b97c5d2d32dcce98759720b025771a4101aa4a59acb