[INFO] cloning repository https://github.com/cecton/serde-gettext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cecton/serde-gettext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fserde-gettext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fserde-gettext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5601e5478cd84c22903f405747c127def049e58d
[INFO] documenting cecton/serde-gettext 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%2Fcecton%2Fserde-gettext" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cecton/serde-gettext 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/cecton/serde-gettext
[INFO] finished tweaking git repo https://github.com/cecton/serde-gettext
[INFO] tweaked toml for git repo https://github.com/cecton/serde-gettext written to /workspace/builds/worker-7/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]  Downloading crates ...
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded libc-strftime v0.2.0
[INFO] [stderr]   Downloaded dynfmt v0.1.4
[INFO] [stderr]   Downloaded locale_config v0.2.3
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded gettext-sys v0.19.9
[INFO] [stderr]   Downloaded derive-error v0.0.4
[INFO] [stderr]   Downloaded derive-enum-error v0.0.1
[INFO] [stderr]   Downloaded gettext-rs v0.4.4
[INFO] [stderr]   Downloaded erased-serde v0.3.12
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42bbd60a6b2afd45fcbf5239512daf3865a9ad3a617356d5bde623ddd29bf86b
[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" "42bbd60a6b2afd45fcbf5239512daf3865a9ad3a617356d5bde623ddd29bf86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bbd60a6b2afd45fcbf5239512daf3865a9ad3a617356d5bde623ddd29bf86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bbd60a6b2afd45fcbf5239512daf3865a9ad3a617356d5bde623ddd29bf86b", kill_on_drop: false }`
[INFO] [stdout] 42bbd60a6b2afd45fcbf5239512daf3865a9ad3a617356d5bde623ddd29bf86b
[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" "+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] 96536d13fa0ca5fb99dcce83855bc610f756b6889c15036ab859de143a7eec2b
[INFO] running `Command { std: "docker" "start" "-a" "96536d13fa0ca5fb99dcce83855bc610f756b6889c15036ab859de143a7eec2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling gettext-sys v0.19.9
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking libc-strftime v0.2.0
[INFO] [stderr]     Checking locale_config v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking dynfmt v0.1.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "96536d13fa0ca5fb99dcce83855bc610f756b6889c15036ab859de143a7eec2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96536d13fa0ca5fb99dcce83855bc610f756b6889c15036ab859de143a7eec2b", kill_on_drop: false }`
[INFO] [stdout] 96536d13fa0ca5fb99dcce83855bc610f756b6889c15036ab859de143a7eec2b