[INFO] fetching crate fixity 0.0.1...
[INFO] documenting fixity-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate fixity 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fixity 0.0.1 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] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate fixity 0.0.1
[INFO] finished tweaking crates.io crate fixity 0.0.1
[INFO] tweaked toml for crates.io crate fixity 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 6ca8a6fa8afb196db9fac5501bf5e300bacecf48e344d1863da0b876d1776810
[INFO] running `Command { std: "docker" "start" "-a" "6ca8a6fa8afb196db9fac5501bf5e300bacecf48e344d1863da0b876d1776810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ca8a6fa8afb196db9fac5501bf5e300bacecf48e344d1863da0b876d1776810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca8a6fa8afb196db9fac5501bf5e300bacecf48e344d1863da0b876d1776810", kill_on_drop: false }`
[INFO] [stdout] 6ca8a6fa8afb196db9fac5501bf5e300bacecf48e344d1863da0b876d1776810
[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] bfb29349fc8970ffa34415aca25079365a7331912431fa7b716d72c45ef9a72a
[INFO] running `Command { std: "docker" "start" "-a" "bfb29349fc8970ffa34415aca25079365a7331912431fa7b716d72c45ef9a72a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking fastcdc v1.0.5
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking fbuzhash v0.0.1
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking nom v6.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling speedy-derive v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking speedy v0.7.1
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking cjson v0.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.1
[INFO] [stderr]     Checking borsh v0.9.1
[INFO] [stderr]  Documenting fixity v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_associated_types)]
[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 `fixity`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fixity src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="borsh"' --cfg 'feature="cjson"' --cfg 'feature="debug_checks"' --cfg 'feature="default"' --cfg 'feature="deser_borsh"' --cfg 'feature="deser_json"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-1e3f11256074078f.so --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-fdd8e9b680a53334.so --extern blake3=/opt/rustwide/target/debug/deps/libblake3-177752a74912a4e7.rmeta --extern borsh=/opt/rustwide/target/debug/deps/libborsh-645cb00c0fd25b6b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-1dab18fc9d360c99.rmeta --extern cjson=/opt/rustwide/target/debug/deps/libcjson-7966cfe73a0f7a05.rmeta --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-a791cd4c7bbe5df5.rmeta --extern fastcdc=/opt/rustwide/target/debug/deps/libfastcdc-aab91f1aef69e2d6.rmeta --extern fbuzhash=/opt/rustwide/target/debug/deps/libfbuzhash-5d1dbb0312e4ffc7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f8abb66ffc16068c.rmeta --extern lru=/opt/rustwide/target/debug/deps/liblru-bd5cbe410037aaa4.rmeta --extern multibase=/opt/rustwide/target/debug/deps/libmultibase-67432b433b86c659.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-2b4ab008bfaeafb4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b4ace2b9d82f3a00.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-eb76ee158b5c9cad.rmeta --extern speedy=/opt/rustwide/target/debug/deps/libspeedy-8a4acb93117d2110.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b1f328e544134bf4.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a613882a4d4f27d7.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-83d00b2a7a723456.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bfb29349fc8970ffa34415aca25079365a7331912431fa7b716d72c45ef9a72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb29349fc8970ffa34415aca25079365a7331912431fa7b716d72c45ef9a72a", kill_on_drop: false }`
[INFO] [stdout] bfb29349fc8970ffa34415aca25079365a7331912431fa7b716d72c45ef9a72a
