[INFO] cloning repository https://github.com/Sushisource/hubtain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sushisource/hubtain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSushisource%2Fhubtain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSushisource%2Fhubtain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae42818af60464ba5d47746cd4b34ebe5afe2e97
[INFO] documenting Sushisource/hubtain against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSushisource%2Fhubtain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sushisource/hubtain on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Sushisource/hubtain
[INFO] finished tweaking git repo https://github.com/Sushisource/hubtain
[INFO] tweaked toml for git repo https://github.com/Sushisource/hubtain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sushisource/hubtain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wildmatch v1.0.13
[INFO] [stderr]   Downloaded mnemonic v1.0.1
[INFO] [stderr]   Downloaded ringbuf v0.2.3
[INFO] [stderr]   Downloaded xmltree v0.10.2
[INFO] [stderr]   Downloaded log-derive v0.4.1
[INFO] [stderr]   Downloaded igd v0.12.0
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] [stderr]   Downloaded rustc_version v0.3.2
[INFO] [stderr]   Downloaded attohttpc v0.16.1
[INFO] [stderr]   Downloaded futures_ringbuf v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91896ee9f3511c06fcbf4243042c1d3e5203777b308a011c9068f30dea0d6e37
[INFO] running `Command { std: "docker" "start" "-a" "91896ee9f3511c06fcbf4243042c1d3e5203777b308a011c9068f30dea0d6e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91896ee9f3511c06fcbf4243042c1d3e5203777b308a011c9068f30dea0d6e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91896ee9f3511c06fcbf4243042c1d3e5203777b308a011c9068f30dea0d6e37", kill_on_drop: false }`
[INFO] [stdout] 91896ee9f3511c06fcbf4243042c1d3e5203777b308a011c9068f30dea0d6e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10551954e9a865b5e77e688a4d59b5b116399bf87a7bdc25aa58d0fca849285c
[INFO] running `Command { std: "docker" "start" "-a" "10551954e9a865b5e77e688a4d59b5b116399bf87a7bdc25aa58d0fca849285c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking wildmatch v1.0.13
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xmltree v0.10.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking attohttpc v0.16.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking igd v0.12.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking mnemonic v1.0.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]  Documenting hubtain 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(test, async_closure, fixed_size_array)]
[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 `hubtain`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name hubtain 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=1c3a9fe654f05cc7 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-faa95dd18596d05c.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-015368ec4c7cb0f5.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-21d8be93abef41b5.so --extern atty=/opt/rustwide/target/debug/deps/libatty-e54865ff9b5f199e.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-65c6137ab47bcde2.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-32758db2b8cb90a0.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-912cedfdaed00bd3.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-88dd1c6ba43c3ff9.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-b7e33b03c799fcac.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1ce5e9a54da1a43d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-73d6dce4129e2127.rmeta --extern get_if_addrs=/opt/rustwide/target/debug/deps/libget_if_addrs-b8ca602afff9c47a.rmeta --extern igd=/opt/rustwide/target/debug/deps/libigd-6c4cc5b28c93fc3b.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-b28a6adde3728c2f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c899232d28cbbcc0.rmeta --extern mnemonic=/opt/rustwide/target/debug/deps/libmnemonic-5b32a6a5a2529121.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-38cc9786f592813e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8c4d8457bc75d74d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ca00eb3282bd4947.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-86c42a7599f74a8f.rmeta --extern snow=/opt/rustwide/target/debug/deps/libsnow-2f8c33b091135a37.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e5ad1ca0cc7c13dd.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-6b456e285429c039.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "10551954e9a865b5e77e688a4d59b5b116399bf87a7bdc25aa58d0fca849285c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10551954e9a865b5e77e688a4d59b5b116399bf87a7bdc25aa58d0fca849285c", kill_on_drop: false }`
[INFO] [stdout] 10551954e9a865b5e77e688a4d59b5b116399bf87a7bdc25aa58d0fca849285c
