[INFO] cloning repository https://github.com/jim-nnamdi/Warp-starter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jim-nnamdi/Warp-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjim-nnamdi%2FWarp-starter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjim-nnamdi%2FWarp-starter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbb81c8afbc9a4c9811b942d97171c8f3946410d
[INFO] documenting jim-nnamdi/Warp-starter against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjim-nnamdi%2FWarp-starter" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jim-nnamdi/Warp-starter on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jim-nnamdi/Warp-starter
[INFO] finished tweaking git repo https://github.com/jim-nnamdi/Warp-starter
[INFO] tweaked toml for git repo https://github.com/jim-nnamdi/Warp-starter written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jim-nnamdi/Warp-starter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75dcecef55e5a485e531629a0d2c508ac185b53f1d16d6af4ffb2e8eed069e31
[INFO] running `Command { std: "docker" "start" "-a" "75dcecef55e5a485e531629a0d2c508ac185b53f1d16d6af4ffb2e8eed069e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75dcecef55e5a485e531629a0d2c508ac185b53f1d16d6af4ffb2e8eed069e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75dcecef55e5a485e531629a0d2c508ac185b53f1d16d6af4ffb2e8eed069e31", kill_on_drop: false }`
[INFO] [stdout] 75dcecef55e5a485e531629a0d2c508ac185b53f1d16d6af4ffb2e8eed069e31
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 333f8a4bd301c6e275fb64652a5b86810db0e24bfdee745462a3aba2f3d7f969
[INFO] running `Command { std: "docker" "start" "-a" "333f8a4bd301c6e275fb64652a5b86810db0e24bfdee745462a3aba2f3d7f969", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking headers v0.3.6
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking warp v0.3.2
[INFO] [stderr]  Documenting warpstarter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: type ascription is experimental
[INFO] [stdout]   --> src/collections.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |   let collection = warp:reply:json(&collection);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `warpstarter`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name warpstarter src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=68f02e96926c3648 -L dependency=/opt/rustwide/target/debug/deps --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ca45b3ca93e46511.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3ead53c865687d76.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-44b9ab8e02c47f3f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "333f8a4bd301c6e275fb64652a5b86810db0e24bfdee745462a3aba2f3d7f969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333f8a4bd301c6e275fb64652a5b86810db0e24bfdee745462a3aba2f3d7f969", kill_on_drop: false }`
[INFO] [stdout] 333f8a4bd301c6e275fb64652a5b86810db0e24bfdee745462a3aba2f3d7f969