[INFO] fetching crate haru 0.29.5...
[INFO] documenting haru-0.29.5 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate haru 0.29.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate haru 0.29.5 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate haru 0.29.5
[INFO] finished tweaking crates.io crate haru 0.29.5
[INFO] tweaked toml for crates.io crate haru 0.29.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3c1406fdcb6d952329451c311cc1aeba97825df105da39bc081675c34479a2
[INFO] running `Command { std: "docker" "start" "-a" "fc3c1406fdcb6d952329451c311cc1aeba97825df105da39bc081675c34479a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3c1406fdcb6d952329451c311cc1aeba97825df105da39bc081675c34479a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3c1406fdcb6d952329451c311cc1aeba97825df105da39bc081675c34479a2", kill_on_drop: false }`
[INFO] [stdout] fc3c1406fdcb6d952329451c311cc1aeba97825df105da39bc081675c34479a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4b2d5b6c591c115506375eeb5a0060d5d8b3c1e123aefb50585859f48b32ac
[INFO] running `Command { std: "docker" "start" "-a" "ad4b2d5b6c591c115506375eeb5a0060d5d8b3c1e123aefb50585859f48b32ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.4.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling haru v0.29.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]    Compiling haru-decorator v0.21.0
[INFO] [stderr]  Documenting haru v0.29.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `safe_packed_borrows` has been renamed to `unaligned_references`
[INFO] [stdout]    --> src/vmbindings/foreignc.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 |     #[allow(safe_packed_borrows)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: use the new name: `unaligned_references`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[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(vec_remove_item)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(alloc_layout_extra)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(ptr_offset_from)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `haru`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name haru src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-8f6597891107b209.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-20b9f5fb82bebd1b.rmeta --extern decorator=/opt/rustwide/target/debug/deps/libdecorator-9a4137144f350e69.so --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-851a5df32e33fe61.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d38c567ce4ccc50e.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-4a623b643927471d.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-19eddd40197aec2d.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-de43560227b02609.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-81098a3d666e2dce.rmeta --cap-lints=warn --crate-version 0.29.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ad4b2d5b6c591c115506375eeb5a0060d5d8b3c1e123aefb50585859f48b32ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4b2d5b6c591c115506375eeb5a0060d5d8b3c1e123aefb50585859f48b32ac", kill_on_drop: false }`
[INFO] [stdout] ad4b2d5b6c591c115506375eeb5a0060d5d8b3c1e123aefb50585859f48b32ac
