[INFO] fetching crate lib_xch 0.13.0...
[INFO] documenting lib_xch-0.13.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate lib_xch 0.13.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lib_xch 0.13.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib_xch 0.13.0
[INFO] finished tweaking crates.io crate lib_xch 0.13.0
[INFO] tweaked toml for crates.io crate lib_xch 0.13.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded nalgebra v0.16.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 48cbff5ac2641a93a61886d418d8252f6b887ac42d1fa59cb3f974b75bd3c609
[INFO] running `Command { std: "docker" "start" "-a" "48cbff5ac2641a93a61886d418d8252f6b887ac42d1fa59cb3f974b75bd3c609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cbff5ac2641a93a61886d418d8252f6b887ac42d1fa59cb3f974b75bd3c609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cbff5ac2641a93a61886d418d8252f6b887ac42d1fa59cb3f974b75bd3c609", kill_on_drop: false }`
[INFO] [stdout] 48cbff5ac2641a93a61886d418d8252f6b887ac42d1fa59cb3f974b75bd3c609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2e39be7d15fde6da21a6ffa0d917a3f9d50b5a3f6a1274ae3b9fb5ffcf50d8
[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" "ab2e39be7d15fde6da21a6ffa0d917a3f9d50b5a3f6a1274ae3b9fb5ffcf50d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.16.14
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting lib_xch v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.26s
[INFO] running `Command { std: "docker" "inspect" "ab2e39be7d15fde6da21a6ffa0d917a3f9d50b5a3f6a1274ae3b9fb5ffcf50d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2e39be7d15fde6da21a6ffa0d917a3f9d50b5a3f6a1274ae3b9fb5ffcf50d8", kill_on_drop: false }`
[INFO] [stdout] ab2e39be7d15fde6da21a6ffa0d917a3f9d50b5a3f6a1274ae3b9fb5ffcf50d8
