[INFO] cloning repository https://github.com/Anshorei/zeronet_tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anshorei/zeronet_tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnshorei%2Fzeronet_tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnshorei%2Fzeronet_tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f7dab059443b660777ee7b1fe4809051bdc3c8b
[INFO] documenting Anshorei/zeronet_tracker 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%2FAnshorei%2Fzeronet_tracker" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Anshorei/zeronet_tracker 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/Anshorei/zeronet_tracker
[INFO] finished tweaking git repo https://github.com/Anshorei/zeronet_tracker
[INFO] tweaked toml for git repo https://github.com/Anshorei/zeronet_tracker written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/Anshorei/zeronet_tracker 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 proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded universal-hash v0.4.1
[INFO] [stderr]   Downloaded zeronet_peerdb v0.1.2
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded filetime v0.2.16
[INFO] [stderr]   Downloaded devise_codegen v0.2.1
[INFO] [stderr]   Downloaded maud_macros v0.23.0
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded tor v0.1.0
[INFO] [stderr]   Downloaded devise_core v0.2.1
[INFO] [stderr]   Downloaded devise v0.2.1
[INFO] [stderr]   Downloaded rocket_codegen v0.4.11
[INFO] [stderr]   Downloaded rocket_http v0.4.11
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded protobuf v2.27.1
[INFO] [stderr]   Downloaded prometheus v0.13.1
[INFO] [stderr]   Downloaded i2p v0.0.1
[INFO] [stderr]   Downloaded rocket v0.4.11
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded sha2 v0.9.9
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded rocket_contrib v0.4.11
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded os_str_bytes v6.1.0
[INFO] [stderr]   Downloaded maud v0.23.0
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] [stderr]   Downloaded pear_codegen v0.1.5
[INFO] [stderr]   Downloaded pear v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ce3fd51d8fccc539b6faf3b39163a75290d3d3c1c46ed9f406e8025cce9fe0ba
[INFO] running `Command { std: "docker" "start" "-a" "ce3fd51d8fccc539b6faf3b39163a75290d3d3c1c46ed9f406e8025cce9fe0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3fd51d8fccc539b6faf3b39163a75290d3d3c1c46ed9f406e8025cce9fe0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3fd51d8fccc539b6faf3b39163a75290d3d3c1c46ed9f406e8025cce9fe0ba", kill_on_drop: false }`
[INFO] [stdout] ce3fd51d8fccc539b6faf3b39163a75290d3d3c1c46ed9f406e8025cce9fe0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 775ad9f20881abf77b5fb6e840818fe605e316358fe8169759f063baef46e148
[INFO] running `Command { std: "docker" "start" "-a" "775ad9f20881abf77b5fb6e840818fe605e316358fe8169759f063baef46e148", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking koibumi-base32 v0.0.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling zeronet_tracker v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking rmpv v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking zeronet_protocol v0.1.9
[INFO] [stderr]     Checking zeronet_peerdb v0.1.2
[INFO] [stderr]  Documenting zeronet_tracker v0.1.22 (/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(test)]
[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 `zeronet_tracker`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name zeronet_tracker src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=99e5d1f5d780d435 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-8bcb81a96746c276.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-32d326b0d82e8854.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-1879e3f77b1a96be.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4c2b941844e2fcbb.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-7d7f3cc6a1ee40c6.rmeta --extern rustc_version=/opt/rustwide/target/debug/deps/librustc_version-586e8f3cf2117e9d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d4d6a9fe7dda36ea.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-2dfbc3f1e5175ddb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-58508c1119073e30.rmeta --extern zeronet_peerdb=/opt/rustwide/target/debug/deps/libzeronet_peerdb-a4955c80fb604dd8.rmeta --extern zeronet_protocol=/opt/rustwide/target/debug/deps/libzeronet_protocol-e8fa377737fc4597.rmeta --cap-lints=warn --crate-version 0.1.22` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "775ad9f20881abf77b5fb6e840818fe605e316358fe8169759f063baef46e148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775ad9f20881abf77b5fb6e840818fe605e316358fe8169759f063baef46e148", kill_on_drop: false }`
[INFO] [stdout] 775ad9f20881abf77b5fb6e840818fe605e316358fe8169759f063baef46e148