[INFO] cloning repository https://github.com/GeneTinderholm/jwt-util
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GeneTinderholm/jwt-util" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeneTinderholm%2Fjwt-util", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeneTinderholm%2Fjwt-util'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c4cea28aa465439f8dce98a565eb79a3c101c57
[INFO] documenting GeneTinderholm/jwt-util against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeneTinderholm%2Fjwt-util" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GeneTinderholm/jwt-util 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 git repo https://github.com/GeneTinderholm/jwt-util
[INFO] finished tweaking git repo https://github.com/GeneTinderholm/jwt-util
[INFO] tweaked toml for git repo https://github.com/GeneTinderholm/jwt-util written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/GeneTinderholm/jwt-util already has a lockfile, it will not be regenerated
[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 wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 116a8405e985928c7a4bf959b78a530a6de26481911ed674488d4ddf0491a39f
[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" "116a8405e985928c7a4bf959b78a530a6de26481911ed674488d4ddf0491a39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116a8405e985928c7a4bf959b78a530a6de26481911ed674488d4ddf0491a39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116a8405e985928c7a4bf959b78a530a6de26481911ed674488d4ddf0491a39f", kill_on_drop: false }`
[INFO] [stdout] 116a8405e985928c7a4bf959b78a530a6de26481911ed674488d4ddf0491a39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 01b13e43551a9b839b88215be9a4abdf0c168d5c873e62fa23511b9109d13e7a
[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" "01b13e43551a9b839b88215be9a4abdf0c168d5c873e62fa23511b9109d13e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]  Documenting jwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/main.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 7  |   fn main() {
[INFO] [stdout]    |      ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 34 |       let res = Client::new()
[INFO] [stdout]    |  _______________^
[INFO] [stdout] 35 | |         .post("url")
[INFO] [stdout] 36 | |         .body(&query_params)
[INFO] [stdout] 37 | |         .header("Content-Type", "www/url-form-encoded")
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         .text()
[INFO] [stdout] 41 | |         .await?;
[INFO] [stdout]    | |______________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/main.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 7  |   fn main() {
[INFO] [stdout]    |      ---- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 34 |       let res = Client::new()
[INFO] [stdout]    |  _______________^
[INFO] [stdout] 35 | |         .post("url")
[INFO] [stdout] 36 | |         .body(&query_params)
[INFO] [stdout] 37 | |         .header("Content-Type", "www/url-form-encoded")
[INFO] [stdout] 38 | |         .send()
[INFO] [stdout] 39 | |         .await?
[INFO] [stdout]    | |______________^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `jwt`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name jwt 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 reqwest=/opt/rustwide/target/debug/deps/libreqwest-1544a124ebd7129a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a2acdaae529095b9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "01b13e43551a9b839b88215be9a4abdf0c168d5c873e62fa23511b9109d13e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b13e43551a9b839b88215be9a4abdf0c168d5c873e62fa23511b9109d13e7a", kill_on_drop: false }`
[INFO] [stdout] 01b13e43551a9b839b88215be9a4abdf0c168d5c873e62fa23511b9109d13e7a