[INFO] cloning repository https://github.com/retarders/yuh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retarders/yuh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretarders%2Fyuh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretarders%2Fyuh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4aef8880ff8e370bd3636e6dff8fbac960be29f
[INFO] documenting retarders/yuh 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%2Fretarders%2Fyuh" "/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/retarders/yuh 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/retarders/yuh
[INFO] finished tweaking git repo https://github.com/retarders/yuh
[INFO] tweaked toml for git repo https://github.com/retarders/yuh written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/retarders/yuh 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 strum v0.8.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded spinner v0.5.0
[INFO] [stderr]   Downloaded git2 v0.13.6
[INFO] [stderr]   Downloaded libssh2-sys v0.2.17
[INFO] [stderr]   Downloaded libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]   Downloaded spinners v1.2.0
[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] [stdout] a4d451588ec1192b5670759e7201cbc9e5e46a933883ddb2736e1f5e0e80395f
[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" "a4d451588ec1192b5670759e7201cbc9e5e46a933883ddb2736e1f5e0e80395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d451588ec1192b5670759e7201cbc9e5e46a933883ddb2736e1f5e0e80395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d451588ec1192b5670759e7201cbc9e5e46a933883ddb2736e1f5e0e80395f", kill_on_drop: false }`
[INFO] [stdout] a4d451588ec1192b5670759e7201cbc9e5e46a933883ddb2736e1f5e0e80395f
[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] 370252377af1adf01ce46c08172718a780dd1e2270b8a95f2a9e248f9189b447
[INFO] running `Command { std: "docker" "start" "-a" "370252377af1adf01ce46c08172718a780dd1e2270b8a95f2a9e248f9189b447", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting yuh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.18s
[INFO] running `Command { std: "docker" "inspect" "370252377af1adf01ce46c08172718a780dd1e2270b8a95f2a9e248f9189b447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370252377af1adf01ce46c08172718a780dd1e2270b8a95f2a9e248f9189b447", kill_on_drop: false }`
[INFO] [stdout] 370252377af1adf01ce46c08172718a780dd1e2270b8a95f2a9e248f9189b447