[INFO] cloning repository https://github.com/kawaemon/wk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawaemon/wk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fwk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fwk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c248cee437be97159ce320b9b29a94a5ea701b5d
[INFO] documenting kawaemon/wk 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%2Fkawaemon%2Fwk" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawaemon/wk 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] removed /workspace/builds/worker-32/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kawaemon/wk
[INFO] finished tweaking git repo https://github.com/kawaemon/wk
[INFO] tweaked toml for git repo https://github.com/kawaemon/wk written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/kawaemon/wk 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] [stdout] 9b77bd548b8046b2c839efb85c204fbc3c08d2c586803cf8108c390b6c0ed2f5
[INFO] running `Command { std: "docker" "start" "-a" "9b77bd548b8046b2c839efb85c204fbc3c08d2c586803cf8108c390b6c0ed2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b77bd548b8046b2c839efb85c204fbc3c08d2c586803cf8108c390b6c0ed2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b77bd548b8046b2c839efb85c204fbc3c08d2c586803cf8108c390b6c0ed2f5", kill_on_drop: false }`
[INFO] [stdout] 9b77bd548b8046b2c839efb85c204fbc3c08d2c586803cf8108c390b6c0ed2f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] c8cedeaee4386582ca1c48852b5c1338b4ec5cd4e196a9ebe9e216d021c69464
[INFO] running `Command { std: "docker" "start" "-a" "c8cedeaee4386582ca1c48852b5c1338b4ec5cd4e196a9ebe9e216d021c69464", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
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[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking match_cfg v0.1.0
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[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
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[INFO] [stderr]    Compiling tokio v1.9.0
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[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking os_info v3.0.6
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking crypto-mac v0.10.1
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]    Compiling darling_core v0.13.0
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[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_with v1.9.4
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking bson v2.0.0-beta.2
[INFO] [stderr]     Checking bson v1.2.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking mongodb v2.0.0-beta.2
[INFO] [stderr]  Documenting wk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name wk 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-c71486e08dde7454.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-06135271d248c171.rmeta --extern bson=/opt/rustwide/target/debug/deps/libbson-27c71edf559549d8.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c1e691cb764a1134.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-fac2af56d99fafd7.rmeta --extern mongodb=/opt/rustwide/target/debug/deps/libmongodb-9900c226a8a2aecf.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-65f72577742abedc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-52c76cfbedff8f88.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-120c8a079eb0d868.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-4fb70798d7bdbd5b.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-2dbd77e1240c4a66.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-e9d271a956ef2bb8.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c8cedeaee4386582ca1c48852b5c1338b4ec5cd4e196a9ebe9e216d021c69464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cedeaee4386582ca1c48852b5c1338b4ec5cd4e196a9ebe9e216d021c69464", kill_on_drop: false }`
[INFO] [stdout] c8cedeaee4386582ca1c48852b5c1338b4ec5cd4e196a9ebe9e216d021c69464
