[INFO] cloning repository https://github.com/uselessgoddess/rust-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uselessgoddess/rust-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuselessgoddess%2Frust-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuselessgoddess%2Frust-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 865a19c26f0e196b5545bf912f268227882ecf48
[INFO] documenting uselessgoddess/rust-server 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%2Fuselessgoddess%2Frust-server" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uselessgoddess/rust-server 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/uselessgoddess/rust-server
[INFO] finished tweaking git repo https://github.com/uselessgoddess/rust-server
[INFO] tweaked toml for git repo https://github.com/uselessgoddess/rust-server written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/uselessgoddess/rust-server 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 async-graphql-value v3.0.20
[INFO] [stderr]   Downloaded async-graphql-derive v3.0.20
[INFO] [stderr]   Downloaded actix-web-actors v4.0.0-beta.10
[INFO] [stderr]   Downloaded async-graphql-parser v3.0.20
[INFO] [stderr]   Downloaded actix-web v4.0.0-beta.19
[INFO] [stderr]   Downloaded actix-web-codegen v0.5.0-rc.1
[INFO] [stderr]   Downloaded async-graphql-actix-web v3.0.20
[INFO] [stderr]   Downloaded actix-http v3.0.0-beta.18
[INFO] [stderr]   Downloaded actix-router v0.5.0-beta.4
[INFO] [stderr]   Downloaded async-graphql v3.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 16651dd9113756ed43114cd000e2ec0b30c73098cd11f7693029b1f0869833e4
[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" "16651dd9113756ed43114cd000e2ec0b30c73098cd11f7693029b1f0869833e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16651dd9113756ed43114cd000e2ec0b30c73098cd11f7693029b1f0869833e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16651dd9113756ed43114cd000e2ec0b30c73098cd11f7693029b1f0869833e4", kill_on_drop: false }`
[INFO] [stdout] 16651dd9113756ed43114cd000e2ec0b30c73098cd11f7693029b1f0869833e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3c35464434da3f0baa7f4cfd0a40860bc9f1036380923a7738a7db5bf157f748
[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" "3c35464434da3f0baa7f4cfd0a40860bc9f1036380923a7738a7db5bf157f748", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
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[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]    Compiling firestorm v0.5.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking ascii_utils v0.9.3
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[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking encoding_rs v0.8.30
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crc32fast v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
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[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.5
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[INFO] [stderr]     Checking flate2 v1.0.22
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[INFO] [stderr]    Compiling Inflector v0.11.4
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[INFO] [stderr]    Compiling jobserver v0.1.24
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[INFO] [stderr]     Checking rand v0.8.4
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[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.74
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking async-graphql-value v3.0.20
[INFO] [stderr]     Checking async-graphql-parser v3.0.20
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking actix-router v0.5.0-beta.4
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-rc.1
[INFO] [stderr]    Compiling async-graphql-derive v3.0.20
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking actix-rt v2.5.1
[INFO] [stderr]     Checking actix-server v2.0.0-rc.3
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking actix-codec v0.4.2
[INFO] [stderr]     Checking actix v0.12.0
[INFO] [stderr]     Checking actix-http v3.0.0-beta.18
[INFO] [stderr]     Checking actix-web v4.0.0-beta.19
[INFO] [stderr]     Checking async-graphql v3.0.20
[INFO] [stderr]     Checking actix-web-actors v4.0.0-beta.10
[INFO] [stderr]     Checking async-graphql-actix-web v3.0.20
[INFO] [stderr]  Documenting rust-server 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(entry_insert)]
[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 `rust-server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rust_server src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=db41e478119cc615 -L dependency=/opt/rustwide/target/debug/deps --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-60e5866f21488ffa.rmeta --extern async_graphql=/opt/rustwide/target/debug/deps/libasync_graphql-74ab6750dadb3e0a.rmeta --extern async_graphql_actix_web=/opt/rustwide/target/debug/deps/libasync_graphql_actix_web-9fd2104b5e6ea9ee.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-40755821e03a9d1f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0e4c1b412bd56188.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3c35464434da3f0baa7f4cfd0a40860bc9f1036380923a7738a7db5bf157f748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c35464434da3f0baa7f4cfd0a40860bc9f1036380923a7738a7db5bf157f748", kill_on_drop: false }`
[INFO] [stdout] 3c35464434da3f0baa7f4cfd0a40860bc9f1036380923a7738a7db5bf157f748