[INFO] fetching crate hidefix 0.5.2...
[INFO] documenting hidefix-0.5.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate hidefix 0.5.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hidefix 0.5.2 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 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-2-tc1/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: 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]  Downloading crates ...
[INFO] [stderr]   Downloaded winreg v0.8.0
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
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[INFO] [stderr]   Downloaded strength_reduce v0.2.3
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[INFO] [stderr]   Downloaded once_cell v1.5.2
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[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded sled v0.34.6
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded tokio v1.0.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded lru v0.6.3
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded hdf5-derive v0.7.1
[INFO] [stderr]   Downloaded serde v1.0.119
[INFO] [stderr]   Downloaded serde_derive v1.0.119
[INFO] [stderr]   Downloaded hdf5-sys v0.7.1
[INFO] [stderr]   Downloaded flexbuffers v0.2.1
[INFO] [stderr]   Downloaded libdeflater v0.7.1
[INFO] [stderr]   Downloaded hdf5 v0.7.1
[INFO] [stderr]   Downloaded hdf5-src v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f0a2e3ee0fc91d167992e401aae217d4b5892ac2d01bea73a9cf56e5d265967d
[INFO] running `Command { std: "docker" "start" "-a" "f0a2e3ee0fc91d167992e401aae217d4b5892ac2d01bea73a9cf56e5d265967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a2e3ee0fc91d167992e401aae217d4b5892ac2d01bea73a9cf56e5d265967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a2e3ee0fc91d167992e401aae217d4b5892ac2d01bea73a9cf56e5d265967d", kill_on_drop: false }`
[INFO] [stdout] f0a2e3ee0fc91d167992e401aae217d4b5892ac2d01bea73a9cf56e5d265967d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1ad62ed9324df51cde912949595b3d92180afdb52bccee581ced94a5357d27bc
[INFO] running `Command { std: "docker" "start" "-a" "1ad62ed9324df51cde912949595b3d92180afdb52bccee581ced94a5357d27bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling hdf5 v0.7.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking hdf5-types v0.7.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling hdf5-src v0.7.1
[INFO] [stderr]    Compiling libdeflate-sys v0.7.1
[INFO] [stderr]     Checking lru v0.6.3
[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 async-stream-impl v0.3.0
[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]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[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[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(const_generics, fixed_size_array, cow_is_borrowed, array_methods)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(const_generics, fixed_size_array, cow_is_borrowed, array_methods)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hidefix`
[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=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,artifacts,future-incompat --document-private-items -C metadata=eb42b999db0279a8 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-faa95dd18596d05c.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-d63d927de8221d88.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-7ecc9edbcedc4fb7.rmeta --extern byte_slice_cast=/opt/rustwide/target/debug/deps/libbyte_slice_cast-a0580daab7033769.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-82f99ebf53bb9415.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-d722eb09da70c0ba.rmeta --extern flexbuffers=/opt/rustwide/target/debug/deps/libflexbuffers-e07a8b115037970a.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c5dbbd5c0445eab1.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-18209a2ef33ba905.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-451f269174e123e7.rmeta --extern hdf5=/opt/rustwide/target/debug/deps/libhdf5-7785cfac352ef5d9.rmeta --extern hdf5_sys=/opt/rustwide/target/debug/deps/libhdf5_sys-634c0233d872d503.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9bf66987491eb0b0.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6068c1c9fdb1a662.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-5882321b3327d9a3.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5ec08f82c011bef1.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-e6c3d94e2626e4a2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ca00eb3282bd4947.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-89aa27034b330927.rmeta --extern strength_reduce=/opt/rustwide/target/debug/deps/libstrength_reduce-061f5e32e9657410.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b32a697ea373927b.rmeta --extern zerocopy=/opt/rustwide/target/debug/deps/libzerocopy-80dbe967edf0879f.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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:50:12
[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:51:28
[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:51:46
[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:51:63
[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[E0635]: unknown feature `fixed_size_array`
[INFO] [stdout]   --> src/lib.rs:51:28
[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 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hidefix` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ad62ed9324df51cde912949595b3d92180afdb52bccee581ced94a5357d27bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad62ed9324df51cde912949595b3d92180afdb52bccee581ced94a5357d27bc", kill_on_drop: false }`
[INFO] [stdout] 1ad62ed9324df51cde912949595b3d92180afdb52bccee581ced94a5357d27bc
