[INFO] cloning repository https://github.com/gsson/mini-web-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsson/mini-web-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 978e4fdacee93e5ff85e15c002066e5bace54973
[INFO] documenting gsson/mini-web-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsson/mini-web-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gsson/mini-web-rs
[INFO] finished tweaking git repo https://github.com/gsson/mini-web-rs
[INFO] tweaked toml for git repo https://github.com/gsson/mini-web-rs written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/gsson/mini-web-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.16.0
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.9.0
[INFO] [stderr]   Downloaded tower-http v0.1.1
[INFO] [stderr]   Downloaded axum v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1d129ef7717f38cd1d9c110567edea0c460e0c9e15990404727823062592f6
[INFO] running `Command { std: "docker" "start" "-a" "3b1d129ef7717f38cd1d9c110567edea0c460e0c9e15990404727823062592f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1d129ef7717f38cd1d9c110567edea0c460e0c9e15990404727823062592f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1d129ef7717f38cd1d9c110567edea0c460e0c9e15990404727823062592f6", kill_on_drop: false }`
[INFO] [stdout] 3b1d129ef7717f38cd1d9c110567edea0c460e0c9e15990404727823062592f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58357b89629eeb026de3794906528678aeb909be71c17e109fbc7b0b929f5ff5
[INFO] running `Command { std: "docker" "start" "-a" "58357b89629eeb026de3794906528678aeb909be71c17e109fbc7b0b929f5ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking sync_wrapper v0.1.1
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[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.43
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[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 regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking tower v0.4.10
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking opentelemetry v0.16.0
[INFO] [stderr]     Checking axum v0.3.1
[INFO] [stderr]     Checking opentelemetry-prometheus v0.9.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.16.0
[INFO] [stderr]  Documenting mini-web 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(poll_ready)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mini-web`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name mini_web src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cbe22030b776930e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-851275a99be6ed58.rmeta --extern axum=/opt/rustwide/target/debug/deps/libaxum-1610349660ed01d0.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-8118de2d8ea6d772.rmeta --extern opentelemetry=/opt/rustwide/target/debug/deps/libopentelemetry-8cb96f60a27ff207.rmeta --extern opentelemetry_prometheus=/opt/rustwide/target/debug/deps/libopentelemetry_prometheus-f23563818a5b421d.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-b73f6e7e1e44ce01.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-5388dc0926caa557.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-84f5ac2e42d210b4.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a96f2c86e364d7c6.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-08ed99ce7f940a9c.rmeta --extern tower_http=/opt/rustwide/target/debug/deps/libtower_http-3b798a62bc0afd31.rmeta --extern tower_layer=/opt/rustwide/target/debug/deps/libtower_layer-45359bca8c554c9a.rmeta --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-3730c7375171f9fc.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-89eb37de667d842d.rmeta --extern tracing_opentelemetry=/opt/rustwide/target/debug/deps/libtracing_opentelemetry-e04d1efaadc08eda.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-da2e1c47c2ab1daa.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58357b89629eeb026de3794906528678aeb909be71c17e109fbc7b0b929f5ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58357b89629eeb026de3794906528678aeb909be71c17e109fbc7b0b929f5ff5", kill_on_drop: false }`
[INFO] [stdout] 58357b89629eeb026de3794906528678aeb909be71c17e109fbc7b0b929f5ff5