[INFO] cloning repository https://github.com/niquola/uberlog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niquola/uberlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b50095b53e81e0d838ab126303b48e53cdcfdca
[INFO] documenting niquola/uberlog against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niquola/uberlog 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 git repo https://github.com/niquola/uberlog
[INFO] finished tweaking git repo https://github.com/niquola/uberlog
[INFO] tweaked toml for git repo https://github.com/niquola/uberlog written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/niquola/uberlog already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded md5 v0.3.7
[INFO] [stderr]   Downloaded curl v0.2.19
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded ryu v0.2.4
[INFO] [stderr]   Downloaded curl-sys v0.1.35
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded json v0.11.13
[INFO] [stderr]   Downloaded vcpkg v0.2.5
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded postgres-shared v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded fallible-iterator v0.1.4
[INFO] [stderr]   Downloaded postgres-protocol v0.3.1
[INFO] [stderr]   Downloaded postgres v0.15.1
[INFO] [stderr]   Downloaded streaming-iterator v0.1.4
[INFO] [stderr]   Downloaded libz-sys v1.0.18
[INFO] [stderr]   Downloaded postgres-binary-copy v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e19251e982524d53f77050a3aa98fe644cbd0a791777d194e5aadafc6b9e2759
[INFO] running `Command { std: "docker" "start" "-a" "e19251e982524d53f77050a3aa98fe644cbd0a791777d194e5aadafc6b9e2759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19251e982524d53f77050a3aa98fe644cbd0a791777d194e5aadafc6b9e2759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19251e982524d53f77050a3aa98fe644cbd0a791777d194e5aadafc6b9e2759", kill_on_drop: false }`
[INFO] [stdout] e19251e982524d53f77050a3aa98fe644cbd0a791777d194e5aadafc6b9e2759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6abce8045569d6151aeacd631cdb737b10e1a2cf82d4613ff1a5424b8914b1a
[INFO] running `Command { std: "docker" "start" "-a" "b6abce8045569d6151aeacd631cdb737b10e1a2cf82d4613ff1a5424b8914b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling ryu v0.2.4
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]     Checking streaming-iterator v0.1.4
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking postgres-protocol v0.3.1
[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]     Checking postgres v0.15.1
[INFO] [stderr]     Checking postgres-binary-copy v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking curl v0.2.19
[INFO] [stderr]  Documenting pgrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "b6abce8045569d6151aeacd631cdb737b10e1a2cf82d4613ff1a5424b8914b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6abce8045569d6151aeacd631cdb737b10e1a2cf82d4613ff1a5424b8914b1a", kill_on_drop: false }`
[INFO] [stdout] b6abce8045569d6151aeacd631cdb737b10e1a2cf82d4613ff1a5424b8914b1a