[INFO] fetching crate b0x 1.0.0...
[INFO] documenting b0x-1.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate b0x 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate b0x 1.0.0 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 b0x 1.0.0
[INFO] finished tweaking crates.io crate b0x 1.0.0
[INFO] tweaked toml for crates.io crate b0x 1.0.0 written to /workspace/builds/worker-0/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v1.0.0-beta1
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded english-numbers v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 29fbc998dba9e28e11fdd7df144f5b4c7105159472262e3efd8f4e91c1a4e34b
[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" "29fbc998dba9e28e11fdd7df144f5b4c7105159472262e3efd8f4e91c1a4e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29fbc998dba9e28e11fdd7df144f5b4c7105159472262e3efd8f4e91c1a4e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fbc998dba9e28e11fdd7df144f5b4c7105159472262e3efd8f4e91c1a4e34b", kill_on_drop: false }`
[INFO] [stdout] 29fbc998dba9e28e11fdd7df144f5b4c7105159472262e3efd8f4e91c1a4e34b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b88c5935b05068d2e283b98ee86398057957058c172e34577e7953b652c86bb2
[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" "b88c5935b05068d2e283b98ee86398057957058c172e34577e7953b652c86bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking bytemuck v1.4.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking english-numbers v0.3.3
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking term_size v1.0.0-beta1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]  Documenting b0x v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "b88c5935b05068d2e283b98ee86398057957058c172e34577e7953b652c86bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88c5935b05068d2e283b98ee86398057957058c172e34577e7953b652c86bb2", kill_on_drop: false }`
[INFO] [stdout] b88c5935b05068d2e283b98ee86398057957058c172e34577e7953b652c86bb2