[INFO] cloning repository https://github.com/jmmaloney4/multiformat.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmmaloney4/multiformat.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmmaloney4%2Fmultiformat.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmmaloney4%2Fmultiformat.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5b458306140b44d388079c63a71c6e144387918
[INFO] documenting jmmaloney4/multiformat.rs against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmmaloney4%2Fmultiformat.rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmmaloney4/multiformat.rs 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 git repo https://github.com/jmmaloney4/multiformat.rs
[INFO] finished tweaking git repo https://github.com/jmmaloney4/multiformat.rs
[INFO] tweaked toml for git repo https://github.com/jmmaloney4/multiformat.rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmmaloney4/multiformat.rs 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 deku_derive v0.12.4
[INFO] [stderr]   Downloaded deku v0.12.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 77a91dbfff7132aaeae488fc4946c6a152c0f7a041e264a2001cd9d3635ecc72
[INFO] running `Command { std: "docker" "start" "-a" "77a91dbfff7132aaeae488fc4946c6a152c0f7a041e264a2001cd9d3635ecc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a91dbfff7132aaeae488fc4946c6a152c0f7a041e264a2001cd9d3635ecc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a91dbfff7132aaeae488fc4946c6a152c0f7a041e264a2001cd9d3635ecc72", kill_on_drop: false }`
[INFO] [stdout] 77a91dbfff7132aaeae488fc4946c6a152c0f7a041e264a2001cd9d3635ecc72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 64bbdd04fe50ba4c21ec3af36951fe4df5f4abb7b18c386bdf86ebb6170943b8
[INFO] running `Command { std: "docker" "start" "-a" "64bbdd04fe50ba4c21ec3af36951fe4df5f4abb7b18c386bdf86ebb6170943b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling deku_derive v0.12.4
[INFO] [stderr]     Checking deku v0.12.5
[INFO] [stderr]  Documenting multiformat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: type ascription is experimental
[INFO] [stdout]    --> src/multibase/mod.rs:122:27
[INFO] [stdout]     |
[INFO] [stdout] 122 |     decode_options(input, encoding: Encoding)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `multiformat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name multiformat src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=126dd8600c911eeb -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ffa5ccab3c76db03.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-57b1f6b570124226.rmeta --extern deku=/opt/rustwide/target/debug/deps/libdeku-332033a2262ff194.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b56d2f27611771eb.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-703b32c54b03223e.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-dc467cdd39ee8c67.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "64bbdd04fe50ba4c21ec3af36951fe4df5f4abb7b18c386bdf86ebb6170943b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64bbdd04fe50ba4c21ec3af36951fe4df5f4abb7b18c386bdf86ebb6170943b8", kill_on_drop: false }`
[INFO] [stdout] 64bbdd04fe50ba4c21ec3af36951fe4df5f4abb7b18c386bdf86ebb6170943b8
