[INFO] fetching crate casperlabs-types 0.6.1...
[INFO] documenting casperlabs-types-0.6.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate casperlabs-types 0.6.1 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate casperlabs-types 0.6.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casperlabs-types 0.6.1
[INFO] finished tweaking crates.io crate casperlabs-types 0.6.1
[INFO] tweaked toml for crates.io crate casperlabs-types 0.6.1 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d7835b66233d72062dffca96801e6f4e2cf00c04e824f1459ff5d9062fefb6
[INFO] running `Command { std: "docker" "start" "-a" "f9d7835b66233d72062dffca96801e6f4e2cf00c04e824f1459ff5d9062fefb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d7835b66233d72062dffca96801e6f4e2cf00c04e824f1459ff5d9062fefb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d7835b66233d72062dffca96801e6f4e2cf00c04e824f1459ff5d9062fefb6", kill_on_drop: false }`
[INFO] [stdout] f9d7835b66233d72062dffca96801e6f4e2cf00c04e824f1459ff5d9062fefb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153d6883e87e57eb05d2f426d409065e46b443a758ee04c7810aa8a985eba5ed
[INFO] running `Command { std: "docker" "start" "-a" "153d6883e87e57eb05d2f426d409065e46b443a758ee04c7810aa8a985eba5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting casperlabs-types v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     feature(min_specialization, try_reserve)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `casperlabs-types`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name casperlabs_types src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c470fd0d05a877b -L dependency=/opt/rustwide/target/debug/deps --extern base16=/opt/rustwide/target/debug/deps/libbase16-649aca77cf6ad4a4.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern blake2=/opt/rustwide/target/debug/deps/libblake2-d1245534e82415dc.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-afabf9ef8c1bb488.rmeta --extern hex_fmt=/opt/rustwide/target/debug/deps/libhex_fmt-e666f13be07e1ea8.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-3f9139e14ba1dbb9.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-5a453acd7e90b1c3.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-5539b5f50fadd90a.rmeta --extern uint=/opt/rustwide/target/debug/deps/libuint-5aef8ce0bf21f42a.rmeta --cap-lints=warn --crate-version 0.6.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "153d6883e87e57eb05d2f426d409065e46b443a758ee04c7810aa8a985eba5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153d6883e87e57eb05d2f426d409065e46b443a758ee04c7810aa8a985eba5ed", kill_on_drop: false }`
[INFO] [stdout] 153d6883e87e57eb05d2f426d409065e46b443a758ee04c7810aa8a985eba5ed