[INFO] fetching crate birdseed 0.2.0...
[INFO] documenting birdseed-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate birdseed 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate birdseed 0.2.0 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 crates.io crate birdseed 0.2.0
[INFO] finished tweaking crates.io crate birdseed 0.2.0
[INFO] tweaked toml for crates.io crate birdseed 0.2.0 written to /workspace/builds/worker-4/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 diesel-geography v0.2.0
[INFO] [stderr]   Downloaded postgis v0.6.0
[INFO] [stderr]   Downloaded fake v1.3.0
[INFO] [stderr]   Downloaded bcrypt v0.3.0
[INFO] [stderr]   Downloaded geojson v0.15.0
[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] 37956bb106871bf6534afd418c2469a1bb3e074af009efefdc6cc1b9950d67c3
[INFO] running `Command { std: "docker" "start" "-a" "37956bb106871bf6534afd418c2469a1bb3e074af009efefdc6cc1b9950d67c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37956bb106871bf6534afd418c2469a1bb3e074af009efefdc6cc1b9950d67c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37956bb106871bf6534afd418c2469a1bb3e074af009efefdc6cc1b9950d67c3", kill_on_drop: false }`
[INFO] [stdout] 37956bb106871bf6534afd418c2469a1bb3e074af009efefdc6cc1b9950d67c3
[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] [stdout] 1e6a5cffa6031114a207d56e54c2fb759ceee355235e2c08528355856b84116a
[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" "1e6a5cffa6031114a207d56e54c2fb759ceee355235e2c08528355856b84116a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]     Checking libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
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[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking digest v0.7.6
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[INFO] [stderr]    Compiling parking_lot v0.11.0
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[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
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[INFO] [stderr]    Compiling r2d2 v0.8.9
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[INFO] [stderr]     Checking geojson v0.15.0
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking fake v1.3.0
[INFO] [stderr]     Checking bcrypt v0.3.0
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking postgis v0.6.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking geo v0.12.2
[INFO] [stderr]    Compiling diesel v1.4.5
[INFO] [stderr]     Checking migrations_internals v1.4.1
[INFO] [stderr]     Checking diesel-geography v0.2.0
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]  Documenting birdseed v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/db/fences.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | /             (for feature in feat_col.features {
[INFO] [stdout] 17 | |                 let pool = pool.clone();
[INFO] [stdout] 18 | |                 let conn = pool.get().unwrap();
[INFO] [stdout] 19 | |                 let property = feature.properties.unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |                 create(&conn, trimmed_title, geo_level, GeoJson::from(geojson))?;
[INFO] [stdout] 29 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 |             for feature in feat_col.features {
[INFO] [stdout] 17 |                 let pool = pool.clone();
[INFO] [stdout] 18 |                 let conn = pool.get().unwrap();
[INFO] [stdout] 19 |                 let property = feature.properties.unwrap();
[INFO] [stdout] 20 |                 let title = property.get("nhood").unwrap().to_string();
[INFO] [stdout] 21 | 
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "1e6a5cffa6031114a207d56e54c2fb759ceee355235e2c08528355856b84116a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6a5cffa6031114a207d56e54c2fb759ceee355235e2c08528355856b84116a", kill_on_drop: false }`
[INFO] [stdout] 1e6a5cffa6031114a207d56e54c2fb759ceee355235e2c08528355856b84116a