[INFO] cloning repository https://github.com/dobrakmato/board3-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dobrakmato/board3-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Fboard3-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdobrakmato%2Fboard3-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e4cd7eaeb1f9432fd6f6001459308a3e38da35e
[INFO] documenting dobrakmato/board3-backend 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%2Fdobrakmato%2Fboard3-backend" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dobrakmato/board3-backend 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/dobrakmato/board3-backend
[INFO] finished tweaking git repo https://github.com/dobrakmato/board3-backend
[INFO] tweaked toml for git repo https://github.com/dobrakmato/board3-backend written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dobrakmato/board3-backend 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6092af708c98c9c3b8904190ace212bbc6738b04f0d39f0a15ed4414174c1edc
[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" "6092af708c98c9c3b8904190ace212bbc6738b04f0d39f0a15ed4414174c1edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6092af708c98c9c3b8904190ace212bbc6738b04f0d39f0a15ed4414174c1edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6092af708c98c9c3b8904190ace212bbc6738b04f0d39f0a15ed4414174c1edc", kill_on_drop: false }`
[INFO] [stdout] 6092af708c98c9c3b8904190ace212bbc6738b04f0d39f0a15ed4414174c1edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4bc2600386208901dece6c988fbd8668a59626b5fde4715c416ef831adaedb8e
[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" "4bc2600386208901dece6c988fbd8668a59626b5fde4715c416ef831adaedb8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]  Documenting ob2-communication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `info` in this scope
[INFO] [stdout]    --> src/server.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         info!("Client {} has user_id {}", user.username, self.last_client_id.0);
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ob2-communication`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ob2_communication src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-90cd1d377206da16.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9f206415d3d0dd21.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d6ed6d827e1a2292.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-90f423beaa061583.rmeta --extern ws=/opt/rustwide/target/debug/deps/libws-86e1bee2d2ae6de6.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4bc2600386208901dece6c988fbd8668a59626b5fde4715c416ef831adaedb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc2600386208901dece6c988fbd8668a59626b5fde4715c416ef831adaedb8e", kill_on_drop: false }`
[INFO] [stdout] 4bc2600386208901dece6c988fbd8668a59626b5fde4715c416ef831adaedb8e