[INFO] fetching crate makods 0.3.0...
[INFO] documenting makods-0.3.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate makods 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate makods 0.3.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate makods 0.3.0
[INFO] finished tweaking crates.io crate makods 0.3.0
[INFO] tweaked toml for crates.io crate makods 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df2ee076cdb7c80cea2cb5ca0cace702d08d0072325d5e25b2ff6c411f9ff5d4
[INFO] running `Command { std: "docker" "start" "-a" "df2ee076cdb7c80cea2cb5ca0cace702d08d0072325d5e25b2ff6c411f9ff5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df2ee076cdb7c80cea2cb5ca0cace702d08d0072325d5e25b2ff6c411f9ff5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2ee076cdb7c80cea2cb5ca0cace702d08d0072325d5e25b2ff6c411f9ff5d4", kill_on_drop: false }`
[INFO] [stdout] df2ee076cdb7c80cea2cb5ca0cace702d08d0072325d5e25b2ff6c411f9ff5d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a03b4e6c996ed73ea488979825ac0d4a24c1cb56b0ff3e5c334dfc184fae49
[INFO] running `Command { std: "docker" "start" "-a" "a3a03b4e6c996ed73ea488979825ac0d4a24c1cb56b0ff3e5c334dfc184fae49", kill_on_drop: false }`
[INFO] [stderr]  Documenting makods v0.3.0 (/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(core_intrinsics, box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/jostletree.rs:149:68
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn eq_branch<N,T>(v:&Nref<N,T>, other:*const Branch<N,T>)-> bool { (other == unsafe{*warp_bptr_const(v)}) }
[INFO] [stdout]     |                                                                    ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 - fn eq_branch<N,T>(v:&Nref<N,T>, other:*const Branch<N,T>)-> bool { (other == unsafe{*warp_bptr_const(v)}) }
[INFO] [stdout] 149 + fn eq_branch<N,T>(v:&Nref<N,T>, other:*const Branch<N,T>)-> bool { other == unsafe{*warp_bptr_const(v)} }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `makods`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name makods src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=def8c7118c27f568 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a3a03b4e6c996ed73ea488979825ac0d4a24c1cb56b0ff3e5c334dfc184fae49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a03b4e6c996ed73ea488979825ac0d4a24c1cb56b0ff3e5c334dfc184fae49", kill_on_drop: false }`
[INFO] [stdout] a3a03b4e6c996ed73ea488979825ac0d4a24c1cb56b0ff3e5c334dfc184fae49