[INFO] fetching crate blown-fuse 0.3.1...
[INFO] documenting blown-fuse-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate blown-fuse 0.3.1 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate blown-fuse 0.3.1 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 blown-fuse 0.3.1
[INFO] finished tweaking crates.io crate blown-fuse 0.3.1
[INFO] tweaked toml for crates.io crate blown-fuse 0.3.1 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate blown-fuse 0.3.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] a307de2f7ef1e9d793ed5d44ba0eb00f98e5adc6c47c57466320cf60dbe0564b
[INFO] running `Command { std: "docker" "start" "-a" "a307de2f7ef1e9d793ed5d44ba0eb00f98e5adc6c47c57466320cf60dbe0564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a307de2f7ef1e9d793ed5d44ba0eb00f98e5adc6c47c57466320cf60dbe0564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a307de2f7ef1e9d793ed5d44ba0eb00f98e5adc6c47c57466320cf60dbe0564b", kill_on_drop: false }`
[INFO] [stdout] a307de2f7ef1e9d793ed5d44ba0eb00f98e5adc6c47c57466320cf60dbe0564b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 6a32bc3ede09e7a512a77c2355e74ff58a8a5872b52e02edcdb8b50c9b4155c6
[INFO] running `Command { std: "docker" "start" "-a" "6a32bc3ede09e7a512a77c2355e74ff58a8a5872b52e02edcdb8b50c9b4155c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]     Checking num_enum v0.5.6
[INFO] [stderr]  Documenting blown-fuse v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(try_trait_v2)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `blown-fuse`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name blown_fuse src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9d861789f2a39fa0 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-885ae3214f28c119.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-a9dbff269faa1ac8.rmeta --extern bytemuck_derive=/opt/rustwide/target/debug/deps/libbytemuck_derive-a8bde19b7a64183a.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3ff2dcaec82f87b7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3151d321660cef26.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-ebc8c337a396aa3f.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-d3205c18b1325cde.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-cec6a50033345e9a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e941e6fcc656d90b.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b688dfd89d54ba51.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6a32bc3ede09e7a512a77c2355e74ff58a8a5872b52e02edcdb8b50c9b4155c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a32bc3ede09e7a512a77c2355e74ff58a8a5872b52e02edcdb8b50c9b4155c6", kill_on_drop: false }`
[INFO] [stdout] 6a32bc3ede09e7a512a77c2355e74ff58a8a5872b52e02edcdb8b50c9b4155c6