[INFO] fetching crate arx 0.1.0...
[INFO] documenting arx-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate arx 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate arx 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arx 0.1.0
[INFO] finished tweaking crates.io crate arx 0.1.0
[INFO] tweaked toml for crates.io crate arx 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate arx 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded memmap2 v0.5.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded lz4 v1.24.0
[INFO] [stderr]   Downloaded lru v0.8.1
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]   Downloaded pkg-config v0.3.25
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]   Downloaded jubako v0.1.0
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded rust-lzma v0.5.1
[INFO] [stderr]   Downloaded blake3 v0.3.8
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded lz4-sys v1.9.4
[INFO] [stderr]   Downloaded zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6df5c8eb561989180880e58b193b9bdb909ec068163bec408a2f5b6e8fdadb2
[INFO] running `Command { std: "docker" "start" "-a" "c6df5c8eb561989180880e58b193b9bdb909ec068163bec408a2f5b6e8fdadb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6df5c8eb561989180880e58b193b9bdb909ec068163bec408a2f5b6e8fdadb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6df5c8eb561989180880e58b193b9bdb909ec068163bec408a2f5b6e8fdadb2", kill_on_drop: false }`
[INFO] [stdout] c6df5c8eb561989180880e58b193b9bdb909ec068163bec408a2f5b6e8fdadb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b8ffef28e3f92814b371f0cecfae1165e564487448bb9793cd5947be425d34
[INFO] running `Command { std: "docker" "start" "-a" "01b8ffef28e3f92814b371f0cecfae1165e564487448bb9793cd5947be425d34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memmap2 v0.5.7
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking lru v0.8.1
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking lz4 v1.24.0
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking jubako v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jubako-0.1.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jubako-0.1.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(read_buf)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jubako-0.1.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(provide_any)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jubako-0.1.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(error_generic_member_access)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jubako-0.1.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 compile `jubako` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "01b8ffef28e3f92814b371f0cecfae1165e564487448bb9793cd5947be425d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b8ffef28e3f92814b371f0cecfae1165e564487448bb9793cd5947be425d34", kill_on_drop: false }`
[INFO] [stdout] 01b8ffef28e3f92814b371f0cecfae1165e564487448bb9793cd5947be425d34
