[INFO] fetching crate prometheus-query 0.4.0...
[INFO] documenting prometheus-query-0.4.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate prometheus-query 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate prometheus-query 0.4.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-query 0.4.0
[INFO] finished tweaking crates.io crate prometheus-query 0.4.0
[INFO] tweaked toml for crates.io crate prometheus-query 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url_serde v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72656fe129bfcf23dd41f932a39504b476a033b9e4ee78aabc83f2fbf1cb5687
[INFO] running `Command { std: "docker" "start" "-a" "72656fe129bfcf23dd41f932a39504b476a033b9e4ee78aabc83f2fbf1cb5687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72656fe129bfcf23dd41f932a39504b476a033b9e4ee78aabc83f2fbf1cb5687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72656fe129bfcf23dd41f932a39504b476a033b9e4ee78aabc83f2fbf1cb5687", kill_on_drop: false }`
[INFO] [stdout] 72656fe129bfcf23dd41f932a39504b476a033b9e4ee78aabc83f2fbf1cb5687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74129f32d7f3e8a755fb1adbe979c435e1fd1a8400a7472673f9254729e0beb1
[INFO] running `Command { std: "docker" "start" "-a" "74129f32d7f3e8a755fb1adbe979c435e1fd1a8400a7472673f9254729e0beb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]  Documenting prometheus-query v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking prometheus-query v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(custom_attribute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(custom_attribute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]   --> src/client.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         await!(self.make_http_get_api_call(u))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.make_http_get_api_call(u).await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:176:20
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let resp = await!(self.client.get(u).compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.client.get(u).compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let body = await!(resp.into_body().concat2().compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `resp.into_body().concat2().compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:216:20
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let resp = await!(self.client.request(post).compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.client.request(post).compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:217:20
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let body = await!(resp.into_body().concat2().compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `resp.into_body().concat2().compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let resp = await!(self.client.request(post).compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.client.request(post).compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:234:20
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let body = await!(resp.into_body().concat2().compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `resp.into_body().concat2().compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:249:20
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let resp = await!(self.client.request(post).compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.client.request(post).compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> src/client.rs:250:20
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let body = await!(resp.into_body().concat2().compat())?;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `resp.into_body().concat2().compat().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `prometheus-query`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name prometheus_query src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=34b05e0e905c1ade -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-8d2fd51cdc171f49.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-8e02b1987934d47b.rmeta --extern futures_stable=/opt/rustwide/target/debug/deps/libfutures-45a10f53aca908f9.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fddbe9211c4b82a3.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-2c8b28b45b7473be.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-d30434a40734542f.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-5c8f505a2b32e9da.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-d45376eb0404d2a3.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-d9297c359b8c3ec5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2ce2a5a9da83ad83.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3c4c6265586183ac.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b681001243330e9f.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-46722e515e7ec667.rmeta --extern url_serde=/opt/rustwide/target/debug/deps/liburl_serde-c46c113f2243442c.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(custom_attribute)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::compat::Future01CompatExt`
[INFO] [stdout]   --> src/client.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use futures::compat::Future01CompatExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/messages.rs:376:10
[INFO] [stdout]     |
[INFO] [stdout] 376 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `futures_api` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(futures_api, async_await, await_macro)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_stable::Stream`
[INFO] [stdout]   --> src/client.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures_stable::Stream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-query` (lib) due to 23 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "74129f32d7f3e8a755fb1adbe979c435e1fd1a8400a7472673f9254729e0beb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74129f32d7f3e8a755fb1adbe979c435e1fd1a8400a7472673f9254729e0beb1", kill_on_drop: false }`
[INFO] [stdout] 74129f32d7f3e8a755fb1adbe979c435e1fd1a8400a7472673f9254729e0beb1
