[INFO] cloning repository https://github.com/BenjaminBrienen/screwit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminBrienen/screwit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminBrienen%2Fscrewit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminBrienen%2Fscrewit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b811e0d9a207603d2866c11cd746b91a35a3c49
[INFO] documenting BenjaminBrienen/screwit 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%2FBenjaminBrienen%2Fscrewit" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenjaminBrienen/screwit 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/BenjaminBrienen/screwit
[INFO] finished tweaking git repo https://github.com/BenjaminBrienen/screwit
[INFO] tweaked toml for git repo https://github.com/BenjaminBrienen/screwit written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BenjaminBrienen/screwit 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]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v2.2.1
[INFO] [stderr]   Downloaded enum-map v2.4.1
[INFO] [stderr]   Downloaded enum-map-derive v0.10.0
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded test-case-macros v2.2.1
[INFO] [stderr]   Downloaded tokio v1.21.1
[INFO] [stderr]   Downloaded roux v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9628683fc6ebab0fa386470b241ef8bf4f7691a0f9638620eeaa0bb19f68e686
[INFO] running `Command { std: "docker" "start" "-a" "9628683fc6ebab0fa386470b241ef8bf4f7691a0f9638620eeaa0bb19f68e686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9628683fc6ebab0fa386470b241ef8bf4f7691a0f9638620eeaa0bb19f68e686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9628683fc6ebab0fa386470b241ef8bf4f7691a0f9638620eeaa0bb19f68e686", kill_on_drop: false }`
[INFO] [stdout] 9628683fc6ebab0fa386470b241ef8bf4f7691a0f9638620eeaa0bb19f68e686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 38a685dc1d0635af2a8ce97f7753c5662d6c3d70859c9164e143e32cdb4af4a5
[INFO] running `Command { std: "docker" "start" "-a" "38a685dc1d0635af2a8ce97f7753c5662d6c3d70859c9164e143e32cdb4af4a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling test-case-macros v2.2.1
[INFO] [stderr]    Compiling enum-map-derive v0.10.0
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking enum-map v2.4.1
[INFO] [stderr]     Checking test-case v2.2.1
[INFO] [stderr]     Checking clap v4.1.1
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.12
[INFO] [stderr]     Checking roux v2.2.1
[INFO] [stderr]  Documenting screwit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(try_trait_v2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(let_chains)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | #![feature(adt_const_params)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(strict_provenance)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | #![feature(must_not_suspend)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(round_char_boundary)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(non_exhaustive_omitted_patterns_lint)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(custom_test_frameworks)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(default_free_fn)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(anonymous_lifetime_in_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 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 `screwit`
[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=2021 --crate-type lib --crate-name screwit src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d7a37adf79e58bb8 -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-74e10468dccdfea9.so --extern clap=/opt/rustwide/target/debug/deps/libclap-da0d13c43cd15949.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-5bea50d45f46e018.rmeta --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-1a6d4d74a2b83db2.rmeta --extern maybe_async=/opt/rustwide/target/debug/deps/libmaybe_async-bcd79d9269f5bf7c.so --extern regex=/opt/rustwide/target/debug/deps/libregex-6880682880787565.rmeta --extern roux=/opt/rustwide/target/debug/deps/libroux-47a7483cbe434adc.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-5e32158d1d0e4891.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3ee851353897483e.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-0a47cbf9e462f724.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "38a685dc1d0635af2a8ce97f7753c5662d6c3d70859c9164e143e32cdb4af4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a685dc1d0635af2a8ce97f7753c5662d6c3d70859c9164e143e32cdb4af4a5", kill_on_drop: false }`
[INFO] [stdout] 38a685dc1d0635af2a8ce97f7753c5662d6c3d70859c9164e143e32cdb4af4a5
