[INFO] fetching crate hidefix 0.5.2...
[INFO] documenting hidefix-0.5.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate hidefix 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hidefix 0.5.2 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] started tweaking crates.io crate hidefix 0.5.2
[INFO] finished tweaking crates.io crate hidefix 0.5.2
[INFO] tweaked toml for crates.io crate hidefix 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hidefix 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded winreg v0.8.0
[INFO] [stderr]   Downloaded libdeflater v0.7.1
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded libdeflate-sys v0.7.1
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded flexbuffers v0.2.1
[INFO] [stderr]   Downloaded hdf5-sys v0.7.1
[INFO] [stderr]   Downloaded lru v0.6.3
[INFO] [stderr]   Downloaded hdf5-types v0.7.1
[INFO] [stderr]   Downloaded hdf5-src v0.7.1
[INFO] [stderr]   Downloaded hdf5-derive v0.7.1
[INFO] [stderr]   Downloaded hdf5 v0.7.1
[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] 7c065eb262cdd599d9e96a699da796405c267329a93357bffac43d36ee3800d8
[INFO] running `Command { std: "docker" "start" "-a" "7c065eb262cdd599d9e96a699da796405c267329a93357bffac43d36ee3800d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c065eb262cdd599d9e96a699da796405c267329a93357bffac43d36ee3800d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c065eb262cdd599d9e96a699da796405c267329a93357bffac43d36ee3800d8", kill_on_drop: false }`
[INFO] [stdout] 7c065eb262cdd599d9e96a699da796405c267329a93357bffac43d36ee3800d8
[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] fdb6b36317e6151ec365009b5504aef30d0ea1944598c459ddbb45ebc93e7861
[INFO] running `Command { std: "docker" "start" "-a" "fdb6b36317e6151ec365009b5504aef30d0ea1944598c459ddbb45ebc93e7861", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling hdf5 v0.7.1
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking lru v0.6.3
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking hdf5-types v0.7.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libdeflate-sys v0.7.1
[INFO] [stderr]    Compiling hdf5-src v0.7.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking libdeflater v0.7.1
[INFO] [stderr]    Compiling hdf5-sys v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling hdf5-derive v0.7.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking flexbuffers v0.2.1
[INFO] [stderr]     Checking hidefix v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hidefix v0.5.2 (/opt/rustwide/workdir)
[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(test)]
[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(const_generics, fixed_size_array, cow_is_borrowed, array_methods)]
[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(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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(const_generics, fixed_size_array, cow_is_borrowed, array_methods)]
[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 `hidefix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name hidefix src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="static"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-2bb0455753a8f12d.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-88fefe49108f0595.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-396b5961146083a9.rmeta --extern byte_slice_cast=/opt/rustwide/target/debug/deps/libbyte_slice_cast-bd296c2e51c8a9c1.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-5be60609869c4da4.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-7b9084f8ae89ce82.rmeta --extern flexbuffers=/opt/rustwide/target/debug/deps/libflexbuffers-e187bd4a7b742d37.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-d8de09d65535b4be.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c8d327ecbad1212c.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-c34d7677863a178a.rmeta --extern hdf5=/opt/rustwide/target/debug/deps/libhdf5-e31cb39cd588e933.rmeta --extern hdf5_sys=/opt/rustwide/target/debug/deps/libhdf5_sys-e5d43bb603aba68f.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6738c699ae19a4d9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-be8824abcec2c4cf.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-4dc2ffc5a6a96609.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-180e174f10131c85.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-b1221751749a7b36.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b57298d2c06b6ccf.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-ee2e8c304b154fe0.rmeta --extern strength_reduce=/opt/rustwide/target/debug/deps/libstrength_reduce-1393754e2746b769.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bc957016b2ab15c5.rmeta --extern zerocopy=/opt/rustwide/target/debug/deps/libzerocopy-0e3304224db2cc4a.rmeta --cap-lints=warn --crate-version 0.5.2` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fdb6b36317e6151ec365009b5504aef30d0ea1944598c459ddbb45ebc93e7861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb6b36317e6151ec365009b5504aef30d0ea1944598c459ddbb45ebc93e7861", kill_on_drop: false }`
[INFO] [stdout] fdb6b36317e6151ec365009b5504aef30d0ea1944598c459ddbb45ebc93e7861
