[INFO] cloning repository https://github.com/Hevia/edulingo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hevia/edulingo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cc21513f43a367564883e3a8ec29884d0bc7aec
[INFO] documenting Hevia/edulingo against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHevia%2Fedulingo" "/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/Hevia/edulingo on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hevia/edulingo
[INFO] finished tweaking git repo https://github.com/Hevia/edulingo
[INFO] tweaked toml for git repo https://github.com/Hevia/edulingo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Hevia/edulingo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 291a7e549bd94ba9bd56982c489cdbe34cf674c0984248fd2fdb045a6b838bb1
[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" "291a7e549bd94ba9bd56982c489cdbe34cf674c0984248fd2fdb045a6b838bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "291a7e549bd94ba9bd56982c489cdbe34cf674c0984248fd2fdb045a6b838bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291a7e549bd94ba9bd56982c489cdbe34cf674c0984248fd2fdb045a6b838bb1", kill_on_drop: false }`
[INFO] [stdout] 291a7e549bd94ba9bd56982c489cdbe34cf674c0984248fd2fdb045a6b838bb1
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1cea94a3a4962350b6f856dad7f6fc28778e64a4e741f511a19fb4abb5b942
[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" "3b1cea94a3a4962350b6f856dad7f6fc28778e64a4e741f511a19fb4abb5b942", kill_on_drop: false }`
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]  Documenting edulingo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.52s
[INFO] running `Command { std: "docker" "inspect" "3b1cea94a3a4962350b6f856dad7f6fc28778e64a4e741f511a19fb4abb5b942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1cea94a3a4962350b6f856dad7f6fc28778e64a4e741f511a19fb4abb5b942", kill_on_drop: false }`
[INFO] [stdout] 3b1cea94a3a4962350b6f856dad7f6fc28778e64a4e741f511a19fb4abb5b942