[INFO] fetching crate arsc-rs 0.1.0...
[INFO] documenting arsc-rs-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate arsc-rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arsc-rs 0.1.0 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 crates.io crate arsc-rs 0.1.0
[INFO] finished tweaking crates.io crate arsc-rs 0.1.0
[INFO] tweaked toml for crates.io crate arsc-rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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 memoffset v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c1f6f4bef6f7d8bf9f26afcf52d0fe8d46ef16fe1ca9f798af9cd7ab21833e46
[INFO] running `Command { std: "docker" "start" "-a" "c1f6f4bef6f7d8bf9f26afcf52d0fe8d46ef16fe1ca9f798af9cd7ab21833e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f6f4bef6f7d8bf9f26afcf52d0fe8d46ef16fe1ca9f798af9cd7ab21833e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f6f4bef6f7d8bf9f26afcf52d0fe8d46ef16fe1ca9f798af9cd7ab21833e46", kill_on_drop: false }`
[INFO] [stdout] c1f6f4bef6f7d8bf9f26afcf52d0fe8d46ef16fe1ca9f798af9cd7ab21833e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2734c8d2c195691a44d89ffb1280ed3c322d67da7218683e53990e29c089b492
[INFO] running `Command { std: "docker" "start" "-a" "2734c8d2c195691a44d89ffb1280ed3c322d67da7218683e53990e29c089b492", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]  Documenting arsc-rs 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:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(allocator_api)]
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(coerce_unsized)]
[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:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(dispatch_from_dyn)]
[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:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(layout_for_ptr)]
[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:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(pointer_byte_offsets)]
[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:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(receiver_trait)]
[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:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(unsize)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:195:28
[INFO] [stdout]     |
[INFO] [stdout] 195 |     /// [`mem::transmute`][transmute] for more information on what
[INFO] [stdout]     |          ----------------  ^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |          |
[INFO] [stdout]     |          because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout] note: referenced explicit link target defined here
[INFO] [stdout]    --> src/lib.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |     /// [transmute]: core::mem::transmute
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout]     = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 195 |     /// [`mem::transmute`] for more information on what
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `arsc-rs`
[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 arsc_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=db43dff98188dfab -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-91e42ebaf8a62e54.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-4fd0e93fd49f10e9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2734c8d2c195691a44d89ffb1280ed3c322d67da7218683e53990e29c089b492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2734c8d2c195691a44d89ffb1280ed3c322d67da7218683e53990e29c089b492", kill_on_drop: false }`
[INFO] [stdout] 2734c8d2c195691a44d89ffb1280ed3c322d67da7218683e53990e29c089b492
