[INFO] fetching crate hidefix 0.1.1...
[INFO] documenting hidefix-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hidefix 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hidefix 0.1.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hidefix 0.1.1
[INFO] finished tweaking crates.io crate hidefix 0.1.1
[INFO] tweaked toml for crates.io crate hidefix 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate hidefix 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.5.0
[INFO] [stderr]   Downloaded libdeflater v0.5.0
[INFO] [stderr]   Downloaded flexbuffers v0.1.1
[INFO] [stderr]   Downloaded sled v0.34.2
[INFO] [stderr]   Downloaded hdf5-types v0.7.0
[INFO] [stderr]   Downloaded hdf5-derive v0.7.0
[INFO] [stderr]   Downloaded hdf5-sys 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1e1437ee4b4ef06dc42a38791684717ea5bce00812a95272206b021c49f2a0
[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" "ea1e1437ee4b4ef06dc42a38791684717ea5bce00812a95272206b021c49f2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1e1437ee4b4ef06dc42a38791684717ea5bce00812a95272206b021c49f2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1e1437ee4b4ef06dc42a38791684717ea5bce00812a95272206b021c49f2a0", kill_on_drop: false }`
[INFO] [stdout] ea1e1437ee4b4ef06dc42a38791684717ea5bce00812a95272206b021c49f2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eed19b221979e8d26cfc2d43c1b2a2d3a54f4a83414445785e8efc9de362337e
[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" "eed19b221979e8d26cfc2d43c1b2a2d3a54f4a83414445785e8efc9de362337e", 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] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling hdf5 v0.7.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling libdeflate-sys v0.5.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling hdf5-src v0.7.0
[INFO] [stderr]     Checking hdf5-types v0.7.0
[INFO] [stderr]    Compiling hdf5-sys v0.7.0
[INFO] [stderr]     Checking lru v0.6.0
[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 async-stream-impl v0.3.0
[INFO] [stderr]    Compiling hdf5-derive v0.7.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[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 bincode v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[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 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hidefix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #![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:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![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:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #![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:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![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-24dd9c2279018e61.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-c46915b6ba6e3ee3.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-32d960464e3923ae.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-be7f2f9c1e8b2c93.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-25a144c7672517b1.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-d15980f230229a33.rmeta --extern hdf5=/opt/rustwide/target/debug/deps/libhdf5-5e9131f6c95b3aea.rmeta --extern hdf5_sys=/opt/rustwide/target/debug/deps/libhdf5_sys-48cb4d1bc4604ee5.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-f8c449748bd6a186.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e0f6d96c0f4ec566.rmeta --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-70ad76829ac5f96e.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-2d3588e3695ba266.rmeta --cap-lints=warn --crate-version 0.1.1` (exit code: 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" "eed19b221979e8d26cfc2d43c1b2a2d3a54f4a83414445785e8efc9de362337e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed19b221979e8d26cfc2d43c1b2a2d3a54f4a83414445785e8efc9de362337e", kill_on_drop: false }`
[INFO] [stdout] eed19b221979e8d26cfc2d43c1b2a2d3a54f4a83414445785e8efc9de362337e