[INFO] cloning repository https://github.com/gfreezy/bitcask-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/bitcask-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04fabaaf969b18319475ba6cebafde3d690aa5e5
[INFO] documenting gfreezy/bitcask-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gfreezy/bitcask-rs 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 git repo https://github.com/gfreezy/bitcask-rs
[INFO] finished tweaking git repo https://github.com/gfreezy/bitcask-rs
[INFO] tweaked toml for git repo https://github.com/gfreezy/bitcask-rs written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/gfreezy/bitcask-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] cdf6e963f25a76164e08f26c7f0527148985e98bb28c6e53b9db62fc6251d9cd
[INFO] running `Command { std: "docker" "start" "-a" "cdf6e963f25a76164e08f26c7f0527148985e98bb28c6e53b9db62fc6251d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf6e963f25a76164e08f26c7f0527148985e98bb28c6e53b9db62fc6251d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf6e963f25a76164e08f26c7f0527148985e98bb28c6e53b9db62fc6251d9cd", kill_on_drop: false }`
[INFO] [stdout] cdf6e963f25a76164e08f26c7f0527148985e98bb28c6e53b9db62fc6251d9cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 8aa28f29a87fae635d625ab304089b744704a7f84d59182c7db10b1063355804
[INFO] running `Command { std: "docker" "start" "-a" "8aa28f29a87fae635d625ab304089b744704a7f84d59182c7db10b1063355804", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking integer-encoding v1.0.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking io-at v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.8.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]  Documenting bitcask-rs 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/segment.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         (key_size_length as u64
[INFO] [stdout]    |         ^
[INFO] [stdout] ...
[INFO] [stdout] 47 |             + hash_length as u64)
[INFO] [stdout]    |                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 ~         key_size_length as u64
[INFO] [stdout] 44 |             + value_size_length as u64
[INFO] [stdout] 45 |             + key_buf.len() as u64
[INFO] [stdout] 46 |             + value_buf.len() as u64
[INFO] [stdout] 47 ~             + hash_length as u64
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bitcask-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bitcask_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=25363ed4f2cef4b4 -L dependency=/opt/rustwide/target/debug/deps --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-88ea071b7b2e6036.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-b4fdd2e35d6f77bf.rmeta --extern integer_encoding=/opt/rustwide/target/debug/deps/libinteger_encoding-bb6aeaec11048b0e.rmeta --extern io_at=/opt/rustwide/target/debug/deps/libio_at-0c8f7a7f95061740.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3451aa428ed29eef.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-140985ae3eda5f8a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-db37046fdbe0341d.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-cba9c17cc39bb0ee.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fafd8d1ebf058ce4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-af4a9daa2477c664.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-6755e1be8cc365e1.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-d2a408988e1295b1.rmeta --extern twox_hash=/opt/rustwide/target/debug/deps/libtwox_hash-8e25a91fc7e3a94e.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-b40c46ecbc434bb3.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8aa28f29a87fae635d625ab304089b744704a7f84d59182c7db10b1063355804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa28f29a87fae635d625ab304089b744704a7f84d59182c7db10b1063355804", kill_on_drop: false }`
[INFO] [stdout] 8aa28f29a87fae635d625ab304089b744704a7f84d59182c7db10b1063355804