[INFO] fetching crate celery-rs-core 0.0.6...
[INFO] documenting celery-rs-core-0.0.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate celery-rs-core 0.0.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate celery-rs-core 0.0.6 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 celery-rs-core 0.0.6
[INFO] finished tweaking crates.io crate celery-rs-core 0.0.6
[INFO] tweaked toml for crates.io crate celery-rs-core 0.0.6 written to /workspace/builds/worker-1/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 amq-protocol-uri v3.1.1
[INFO] [stderr]   Downloaded amq-protocol-types v3.1.1
[INFO] [stderr]   Downloaded amq-protocol v3.1.1
[INFO] [stderr]   Downloaded amiquip v0.3.3
[INFO] [stderr]   Downloaded amq-protocol-codegen v3.1.1
[INFO] [stderr]   Downloaded tcp-stream v0.8.2
[INFO] [stderr]   Downloaded amq-protocol-tcp v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] adea05c8312d63eb507105447fa5fe62c7b27f22435ef57e70e2a9cf5a17ca19
[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" "adea05c8312d63eb507105447fa5fe62c7b27f22435ef57e70e2a9cf5a17ca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adea05c8312d63eb507105447fa5fe62c7b27f22435ef57e70e2a9cf5a17ca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adea05c8312d63eb507105447fa5fe62c7b27f22435ef57e70e2a9cf5a17ca19", kill_on_drop: false }`
[INFO] [stdout] adea05c8312d63eb507105447fa5fe62c7b27f22435ef57e70e2a9cf5a17ca19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 75ed900033205755052422c08ac72f0bb374475e36b0cc2a9fe73923f79d2ecd
[INFO] running `Command { std: "docker" "start" "-a" "75ed900033205755052422c08ac72f0bb374475e36b0cc2a9fe73923f79d2ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling cookie-factory v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking amq-protocol-uri v3.1.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling amq-protocol-types v1.2.0
[INFO] [stderr]     Checking amq-protocol-types v3.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling handlebars v1.1.0
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[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]     Checking tcp-stream v0.8.2
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]    Compiling amq-protocol-codegen v3.1.1
[INFO] [stderr]     Checking amq-protocol-tcp v3.1.1
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]    Compiling git2 v0.10.2
[INFO] [stderr]    Compiling amq-protocol v3.1.1
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]    Compiling amiquip v0.3.3
[INFO] [stderr]  Documenting celery-rs-core v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_connection_factory.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if(credentials.is_some()){
[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 `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_connection_utils.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if(conn_result.is_ok()){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_connection_utils.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |             if(channel_result.is_ok()) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/threadable_rabbit_mq_connection.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if (conn_result.is_ok()) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/threadable_rabbit_mq_connection.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |             if (channel_result.is_ok()) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_channel_utils.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 |     if(nowait == true) {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_channel_utils.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |     if(nowait == true){
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/connection/rabbitmq_channel_utils.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 |     if(nowait == true) {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "75ed900033205755052422c08ac72f0bb374475e36b0cc2a9fe73923f79d2ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ed900033205755052422c08ac72f0bb374475e36b0cc2a9fe73923f79d2ecd", kill_on_drop: false }`
[INFO] [stdout] 75ed900033205755052422c08ac72f0bb374475e36b0cc2a9fe73923f79d2ecd