[INFO] cloning repository https://github.com/jamestjw/requin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamestjw/requin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestjw%2Frequin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestjw%2Frequin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68e3276dc5bb1bb3c64606925a29d7d99f718ae3
[INFO] documenting jamestjw/requin 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%2Fjamestjw%2Frequin" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamestjw/requin 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/jamestjw/requin
[INFO] finished tweaking git repo https://github.com/jamestjw/requin
[INFO] tweaked toml for git repo https://github.com/jamestjw/requin written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/jamestjw/requin 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 830f07c138c8ba496f660a4a244cb932947b6fe284a8d138af96b30b11d35914
[INFO] running `Command { std: "docker" "start" "-a" "830f07c138c8ba496f660a4a244cb932947b6fe284a8d138af96b30b11d35914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830f07c138c8ba496f660a4a244cb932947b6fe284a8d138af96b30b11d35914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830f07c138c8ba496f660a4a244cb932947b6fe284a8d138af96b30b11d35914", kill_on_drop: false }`
[INFO] [stdout] 830f07c138c8ba496f660a4a244cb932947b6fe284a8d138af96b30b11d35914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 3cf97e08ae50fc6a47f96a3c94453b97105f60fc435a6b7aefcbc15fb0b527e2
[INFO] running `Command { std: "docker" "start" "-a" "3cf97e08ae50fc6a47f96a3c94453b97105f60fc435a6b7aefcbc15fb0b527e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling mockall_double v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]  Documenting requin v1.3.0 (/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(deadline_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(div_duration)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `requin`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name requin src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e131bc26807d9545 -L dependency=/opt/rustwide/target/debug/deps --extern bitfield=/opt/rustwide/target/debug/deps/libbitfield-3d5110923658775e.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-d3f7cdd92b03733e.rmeta --extern exitcode=/opt/rustwide/target/debug/deps/libexitcode-2a23a1d13e1b8385.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern mockall_double=/opt/rustwide/target/debug/deps/libmockall_double-59a9ee9f05e764df.so --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-bb5287033acfdf2d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-0bbe8296db4f980d.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-c7d710bb30051850.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-53c901764b5c5d30.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-ab5fdb4d431b456e.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-d67b98fbefe7095a.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-078ab059f4b767cf.so --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-96ead66609847d62.rmeta --cap-lints=warn --crate-version 1.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3cf97e08ae50fc6a47f96a3c94453b97105f60fc435a6b7aefcbc15fb0b527e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf97e08ae50fc6a47f96a3c94453b97105f60fc435a6b7aefcbc15fb0b527e2", kill_on_drop: false }`
[INFO] [stdout] 3cf97e08ae50fc6a47f96a3c94453b97105f60fc435a6b7aefcbc15fb0b527e2