[INFO] fetching crate hidefix 0.2.0...
[INFO] documenting hidefix-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate hidefix 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hidefix 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hidefix 0.2.0
[INFO] finished tweaking crates.io crate hidefix 0.2.0
[INFO] tweaked toml for crates.io crate hidefix 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate hidefix 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded flexbuffers v0.1.1
[INFO] [stderr]   Downloaded hdf5-derive v0.7.0
[INFO] [stderr]   Downloaded hdf5-types v0.7.0
[INFO] [stderr]   Downloaded hdf5 v0.7.0
[INFO] [stderr]   Downloaded hdf5-src v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 314865d9da94cd005ba2b5686aa3bffcc7d2fa8e8cac8d406ee5dd4e04ab28a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "314865d9da94cd005ba2b5686aa3bffcc7d2fa8e8cac8d406ee5dd4e04ab28a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314865d9da94cd005ba2b5686aa3bffcc7d2fa8e8cac8d406ee5dd4e04ab28a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314865d9da94cd005ba2b5686aa3bffcc7d2fa8e8cac8d406ee5dd4e04ab28a9", kill_on_drop: false }`
[INFO] [stdout] 314865d9da94cd005ba2b5686aa3bffcc7d2fa8e8cac8d406ee5dd4e04ab28a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001d3c1cc11d5cd04dd51e80242893393a31834f5c22a8df708efd2e161eb555
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "001d3c1cc11d5cd04dd51e80242893393a31834f5c22a8df708efd2e161eb555", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling hdf5 v0.7.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling libdeflate-sys v0.5.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling hdf5-src v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking hdf5-types v0.7.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling hdf5-sys v0.7.0
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking libdeflater v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling hdf5-derive v0.7.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling toml v0.5.6
[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 v0.1.1
[INFO] [stderr]     Checking hidefix v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hidefix v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | #![feature(const_generics, fixed_size_array, cow_is_borrowed)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | #![feature(const_generics, fixed_size_array, cow_is_borrowed)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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-23dff0c64805ed62.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-d49ae9cdfaad7294.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-d3e4cd24eaa66be6.rmeta --extern byte_slice_cast=/opt/rustwide/target/debug/deps/libbyte_slice_cast-b0226e46ab10a5ae.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-364c148656283980.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c5714e68d7e46dbf.rmeta --extern flexbuffers=/opt/rustwide/target/debug/deps/libflexbuffers-c4ea6cb4fd7a75e2.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3c4db3f3ace6fbcc.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-25a144c7672517b1.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-d934f048114ced48.rmeta --extern hdf5=/opt/rustwide/target/debug/deps/libhdf5-8784658fb763ea7c.rmeta --extern hdf5_sys=/opt/rustwide/target/debug/deps/libhdf5_sys-f4bdabf001d1beee.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-389af87ce6697360.rmeta --extern libdeflater=/opt/rustwide/target/debug/deps/liblibdeflater-4323f7b0de4e3857.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-b1a67b3633fb5b5c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-14be511fdbcc69e2.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-a0f1117e33cdb074.rmeta --extern strength_reduce=/opt/rustwide/target/debug/deps/libstrength_reduce-5954ba3c81f88471.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d9089180a59976f1.rmeta --extern zerocopy=/opt/rustwide/target/debug/deps/libzerocopy-a3e33885a3969184.rmeta --cap-lints=warn --crate-version 0.2.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/idx/serde.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |         v.as_slice().serialize(s)
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `as_slice(...)` to keep using the current method
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "001d3c1cc11d5cd04dd51e80242893393a31834f5c22a8df708efd2e161eb555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001d3c1cc11d5cd04dd51e80242893393a31834f5c22a8df708efd2e161eb555", kill_on_drop: false }`
[INFO] [stdout] 001d3c1cc11d5cd04dd51e80242893393a31834f5c22a8df708efd2e161eb555
