[INFO] cloning repository https://github.com/shterrett/simpledb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shterrett/simpledb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Fsimpledb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Fsimpledb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 457c3a1e4da24863bbefc2d15bb1eca61c80e772
[INFO] documenting shterrett/simpledb against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Fsimpledb" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shterrett/simpledb on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shterrett/simpledb
[INFO] finished tweaking git repo https://github.com/shterrett/simpledb
[INFO] tweaked toml for git repo https://github.com/shterrett/simpledb written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shterrett/simpledb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d34d9d2fb291aa39a35b97920cc09cac40113da56c38818d615aff5ac03cafd
[INFO] running `Command { std: "docker" "start" "-a" "1d34d9d2fb291aa39a35b97920cc09cac40113da56c38818d615aff5ac03cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d34d9d2fb291aa39a35b97920cc09cac40113da56c38818d615aff5ac03cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d34d9d2fb291aa39a35b97920cc09cac40113da56c38818d615aff5ac03cafd", kill_on_drop: false }`
[INFO] [stdout] 1d34d9d2fb291aa39a35b97920cc09cac40113da56c38818d615aff5ac03cafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44d0d681a086ce79c45b658af3931bdf9767c6b71e97d19f84450e305bcab92
[INFO] running `Command { std: "docker" "start" "-a" "d44d0d681a086ce79c45b658af3931bdf9767c6b71e97d19f84450e305bcab92", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bitmaps v3.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking buddy-alloc v0.4.1
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling glommio v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking intrusive-collections v0.9.3
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rlimit v0.6.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking membarrier v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]  Documenting simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.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 `simpledb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name simpledb src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0cd41bf7147d6953 -L dependency=/opt/rustwide/target/debug/deps --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-45137aec15876ad5.rmeta --extern glommio=/opt/rustwide/target/debug/deps/libglommio-c12ea0fd9044af89.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-064105575453c91b.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-afb2aa5b5ccdb38b.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-16f27183ed9887a6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d44d0d681a086ce79c45b658af3931bdf9767c6b71e97d19f84450e305bcab92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44d0d681a086ce79c45b658af3931bdf9767c6b71e97d19f84450e305bcab92", kill_on_drop: false }`
[INFO] [stdout] d44d0d681a086ce79c45b658af3931bdf9767c6b71e97d19f84450e305bcab92