[INFO] cloning repository https://github.com/jangerritharms/rs-async-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jangerritharms/rs-async-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangerritharms%2Frs-async-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangerritharms%2Frs-async-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602486537fd41d2100a9a7b7deb329519b9a23b7
[INFO] documenting jangerritharms/rs-async-api against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangerritharms%2Frs-async-api" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jangerritharms/rs-async-api on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jangerritharms/rs-async-api
[INFO] finished tweaking git repo https://github.com/jangerritharms/rs-async-api
[INFO] tweaked toml for git repo https://github.com/jangerritharms/rs-async-api written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jangerritharms/rs-async-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 95c3a562ae8ca4417e86dce464269e7a49baceee689014f1c71841b2b4253a94
[INFO] running `Command { std: "docker" "start" "-a" "95c3a562ae8ca4417e86dce464269e7a49baceee689014f1c71841b2b4253a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c3a562ae8ca4417e86dce464269e7a49baceee689014f1c71841b2b4253a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c3a562ae8ca4417e86dce464269e7a49baceee689014f1c71841b2b4253a94", kill_on_drop: false }`
[INFO] [stdout] 95c3a562ae8ca4417e86dce464269e7a49baceee689014f1c71841b2b4253a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c41ff9c1333283f37bde9da3fa3be053e0f3d978f2c86ff3aaad20da200b080c
[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" "c41ff9c1333283f37bde9da3fa3be053e0f3d978f2c86ff3aaad20da200b080c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.0.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.0-alpha.2
[INFO] [stderr]     Checking rs-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rs-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::option::NoneError`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::option::NoneError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::option::NoneError`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::option::NoneError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rs-bot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name crytrade src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-d3bedb197a7aaf57.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-d4895405c76d93a6.so --extern clap=/opt/rustwide/target/debug/deps/libclap-526cd082a73c1f72.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-b66c1f6c6ae37c60.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-c6bf597c9d6b3270.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-edacda1a80f63cc8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b09ad02db399754e.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-ef4cec2392bb275c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-08e0162aa8e2a7ad.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-98001cfe6b3aa1b1.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-0ee4cecfbc56852e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c44bd6c955f589d5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/kraken.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::{debug,info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in an async block that returns `Option`
[INFO] [stdout]    --> src/kraken.rs:130:75
[INFO] [stdout]     |
[INFO] [stdout] 127 |               async move {
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |                 if state.trades.len() == 0 {
[INFO] [stdout] 129 | |                     state = PaginationHelper::from(
[INFO] [stdout] 130 | |                         self.history(state.pair, state.continuation).await?,
[INFO] [stdout]     | |                                                                           ^ use `.ok()?` if you want to discard the `Result<Infallible, error::Error>` error information
[INFO] [stdout] ...   |
[INFO] [stdout] 140 | |                 Some((yielded, state))
[INFO] [stdout] 141 | |             }
[INFO] [stdout]     | |_____________- this function returns an `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, error::Error>>` is not implemented for `std::option::Option<_>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c41ff9c1333283f37bde9da3fa3be053e0f3d978f2c86ff3aaad20da200b080c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41ff9c1333283f37bde9da3fa3be053e0f3d978f2c86ff3aaad20da200b080c", kill_on_drop: false }`
[INFO] [stdout] c41ff9c1333283f37bde9da3fa3be053e0f3d978f2c86ff3aaad20da200b080c
