[INFO] fetching crate forkfs 0.2.6...
[INFO] documenting forkfs-0.2.6 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate forkfs 0.2.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate forkfs 0.2.6 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-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate forkfs 0.2.6
[INFO] finished tweaking crates.io crate forkfs 0.2.6
[INFO] tweaked toml for crates.io crate forkfs 0.2.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate forkfs 0.2.6 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 os_pipe v1.1.4
[INFO] [stderr]   Downloaded snapbox v0.4.12
[INFO] [stderr]   Downloaded normpath v1.1.1
[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] [stderr]   Downloaded snapbox-macros v0.3.5
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded trycmd v0.14.17
[INFO] [stderr]   Downloaded fs_at v0.1.10
[INFO] [stderr]   Downloaded error-stack v0.4.1
[INFO] [stderr]   Downloaded rustdoc-types v0.23.0
[INFO] [stderr]   Downloaded clap_builder v4.4.5
[INFO] [stderr]   Downloaded cvt v0.1.2
[INFO] [stderr]   Downloaded remove_dir_all v0.8.2
[INFO] [stderr]   Downloaded public-api v0.32.0
[INFO] [stderr]   Downloaded typed-builder v0.16.2
[INFO] [stderr]   Downloaded typed-builder-macro v0.16.2
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] [stderr]   Downloaded cargo-manifest v0.9.0
[INFO] [stderr]   Downloaded rustdoc-json v0.8.7
[INFO] [stderr]   Downloaded clap v4.4.5
[INFO] [stderr]   Downloaded rustix v0.38.14
[INFO] [stderr]   Downloaded supercilex-tests v0.3.4
[INFO] [stderr]   Downloaded fuc_engine v1.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 94e016cea2b987eee76001abf049e3348e10e5d9acbadd134bf3860fa91d63ee
[INFO] running `Command { std: "docker" "start" "-a" "94e016cea2b987eee76001abf049e3348e10e5d9acbadd134bf3860fa91d63ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e016cea2b987eee76001abf049e3348e10e5d9acbadd134bf3860fa91d63ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e016cea2b987eee76001abf049e3348e10e5d9acbadd134bf3860fa91d63ee", kill_on_drop: false }`
[INFO] [stdout] 94e016cea2b987eee76001abf049e3348e10e5d9acbadd134bf3860fa91d63ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7bf406b937f6b914f429c39cf40f56707147981cb4f2f30e5d595da6b184a0f2
[INFO] running `Command { std: "docker" "start" "-a" "7bf406b937f6b914f429c39cf40f56707147981cb4f2f30e5d595da6b184a0f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling error-stack v0.4.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling typed-builder-macro v0.16.2
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking typed-builder v0.16.2
[INFO] [stderr]     Checking fuc_engine v1.1.8
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]  Documenting forkfs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(dir_entry_ext2)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(c_str_literals)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `forkfs`
[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 forkfs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ba7662d0d0daf816 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-229e37e60c6de5d3.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-a9675f3cf4570602.rmeta --extern error_stack=/opt/rustwide/target/debug/deps/liberror_stack-cd11f5dd87fc2971.rmeta --extern fuc_engine=/opt/rustwide/target/debug/deps/libfuc_engine-e04c510e964d268f.rmeta --extern rustix=/opt/rustwide/target/debug/deps/librustix-90982e0dd332e68d.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e4ec44470f0df739.rmeta --cap-lints=warn --crate-version 0.2.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7bf406b937f6b914f429c39cf40f56707147981cb4f2f30e5d595da6b184a0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf406b937f6b914f429c39cf40f56707147981cb4f2f30e5d595da6b184a0f2", kill_on_drop: false }`
[INFO] [stdout] 7bf406b937f6b914f429c39cf40f56707147981cb4f2f30e5d595da6b184a0f2
