[INFO] fetching crate swindon 0.7.8...
[INFO] documenting swindon-0.7.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate swindon 0.7.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate swindon 0.7.8 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 swindon 0.7.8
[INFO] finished tweaking crates.io crate swindon 0.7.8
[INFO] tweaked toml for crates.io crate swindon 0.7.8 written to /workspace/builds/worker-8/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded self-meter-http v0.4.1
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[INFO] [stderr]   Downloaded quire v0.3.1
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[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788d9480e1f5d50df11bd0d3d5edbcc84f2f8c7167b154581dcb8b79e970d332
[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" "788d9480e1f5d50df11bd0d3d5edbcc84f2f8c7167b154581dcb8b79e970d332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788d9480e1f5d50df11bd0d3d5edbcc84f2f8c7167b154581dcb8b79e970d332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788d9480e1f5d50df11bd0d3d5edbcc84f2f8c7167b154581dcb8b79e970d332", kill_on_drop: false }`
[INFO] [stdout] 788d9480e1f5d50df11bd0d3d5edbcc84f2f8c7167b154581dcb8b79e970d332
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb8ea4dd31d9b2de09cf708276d63bf359f9dbf844e56d8c115a2889085e1868
[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" "cb8ea4dd31d9b2de09cf708276d63bf359f9dbf844e56d8c115a2889085e1868", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking atomic v0.3.4
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking async-slot v0.1.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking abstract-ns v0.4.3
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking humannum v0.1.0
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking tk-listen v0.1.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking tk-bufstream v0.3.0
[INFO] [stderr]     Checking tk-pool v0.5.3
[INFO] [stderr]     Checking ns-std-threaded v0.3.0
[INFO] [stderr]     Checking ns-router v0.1.6
[INFO] [stderr]     Checking http-file-headers v0.1.8
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking self-meter v0.6.0
[INFO] [stderr]     Checking quire v0.3.1
[INFO] [stderr]     Checking string-intern v0.1.7
[INFO] [stderr]     Checking libcantal v0.3.2
[INFO] [stderr]     Checking trimmer v0.3.6
[INFO] [stderr]     Checking httpbin v0.3.3
[INFO] [stderr]     Checking self-meter-http v0.4.1
[INFO] [stderr]  Documenting swindon v0.7.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:310:12
[INFO] [stdout]     |
[INFO] [stdout] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:450:12
[INFO] [stdout]     |
[INFO] [stdout] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         b'0'...b'9' => Ok(b & 0x0f),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         b'a'...b'f' | b'A'...b'F' => Ok((b & 0x0f) + 9),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         b'a'...b'f' | b'A'...b'F' => Ok((b & 0x0f) + 9),
[INFO] [stdout]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/proxy/backend.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:310:12
[INFO] [stdout]     |
[INFO] [stdout] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:412:12
[INFO] [stdout]     |
[INFO] [stdout] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/chat/backend.rs:450:12
[INFO] [stdout]     |
[INFO] [stdout] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         b'0'...b'9' => Ok(b & 0x0f),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         b'a'...b'f' | b'A'...b'F' => Ok((b & 0x0f) + 9),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/handlers/files/decode.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         b'a'...b'f' | b'A'...b'F' => Ok((b & 0x0f) + 9),
[INFO] [stdout]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/proxy/backend.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.37s
[INFO] running `Command { std: "docker" "inspect" "cb8ea4dd31d9b2de09cf708276d63bf359f9dbf844e56d8c115a2889085e1868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8ea4dd31d9b2de09cf708276d63bf359f9dbf844e56d8c115a2889085e1868", kill_on_drop: false }`
[INFO] [stdout] cb8ea4dd31d9b2de09cf708276d63bf359f9dbf844e56d8c115a2889085e1868