[INFO] cloning repository https://github.com/Hamled/uoverse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hamled/uoverse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHamled%2Fuoverse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHamled%2Fuoverse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 046d30644e21c21f1952478177f0954e46583203
[INFO] documenting Hamled/uoverse 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%2FHamled%2Fuoverse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hamled/uoverse 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] started tweaking git repo https://github.com/Hamled/uoverse
[INFO] finished tweaking git repo https://github.com/Hamled/uoverse
[INFO] tweaked toml for git repo https://github.com/Hamled/uoverse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hamled/uoverse 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] acbe9b7749a8b124ac217a35f5b3eaf1cf810ad49bc5bb17b28f63728ad8b3c7
[INFO] running `Command { std: "docker" "start" "-a" "acbe9b7749a8b124ac217a35f5b3eaf1cf810ad49bc5bb17b28f63728ad8b3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acbe9b7749a8b124ac217a35f5b3eaf1cf810ad49bc5bb17b28f63728ad8b3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbe9b7749a8b124ac217a35f5b3eaf1cf810ad49bc5bb17b28f63728ad8b3c7", kill_on_drop: false }`
[INFO] [stdout] acbe9b7749a8b124ac217a35f5b3eaf1cf810ad49bc5bb17b28f63728ad8b3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 336462079aa0b90fb0126502ea53495b5402df558fbdeba893a97bb5631f5780
[INFO] running `Command { std: "docker" "start" "-a" "336462079aa0b90fb0126502ea53495b5402df558fbdeba893a97bb5631f5780", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling erased-serde v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking hashers v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]    Compiling uoverse-server-macros v0.1.0 (/opt/rustwide/workdir/uoverse-server/macros)
[INFO] [stderr]  Documenting uoverse-server-macros v0.1.0 (/opt/rustwide/workdir/uoverse-server/macros)
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]  Documenting uoverse-tools v0.1.0 (/opt/rustwide/workdir/uoverse-tools)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> uoverse-tools/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.35
[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 `uoverse-tools`
[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 lib --crate-name uoverse_tools uoverse-tools/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=81ef297e36208971 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-bba791da55bdcfe7.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-2c0e7d657d616f75.rmeta --extern hashers=/opt/rustwide/target/debug/deps/libhashers-dcf1fe6a75d9ad55.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-eeb0834ae221f115.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "336462079aa0b90fb0126502ea53495b5402df558fbdeba893a97bb5631f5780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336462079aa0b90fb0126502ea53495b5402df558fbdeba893a97bb5631f5780", kill_on_drop: false }`
[INFO] [stdout] 336462079aa0b90fb0126502ea53495b5402df558fbdeba893a97bb5631f5780
