[INFO] cloning repository https://github.com/guangie88/unwalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guangie88/unwalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguangie88%2Funwalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguangie88%2Funwalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9be570627bcd5c50e4d3eb7632c6e6027895bb31
[INFO] documenting guangie88/unwalk against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguangie88%2Funwalk" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guangie88/unwalk on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guangie88/unwalk
[INFO] finished tweaking git repo https://github.com/guangie88/unwalk
[INFO] tweaked toml for git repo https://github.com/guangie88/unwalk written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/guangie88/unwalk 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded file v1.1.1
[INFO] [stderr]   Downloaded tempfile v3.0.0
[INFO] [stderr]   Downloaded structopt v0.2.6
[INFO] [stderr]   Downloaded structopt-derive v0.2.6
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] [stderr]   Downloaded filebuffer v0.3.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b633167f72ada65e72ca8561915ffe784c9f1ecd617ce7e3d652ed927350f558
[INFO] running `Command { std: "docker" "start" "-a" "b633167f72ada65e72ca8561915ffe784c9f1ecd617ce7e3d652ed927350f558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b633167f72ada65e72ca8561915ffe784c9f1ecd617ce7e3d652ed927350f558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b633167f72ada65e72ca8561915ffe784c9f1ecd617ce7e3d652ed927350f558", kill_on_drop: false }`
[INFO] [stdout] b633167f72ada65e72ca8561915ffe784c9f1ecd617ce7e3d652ed927350f558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efd053b68dbff2fbd0941b9771abb02057fa57e9919b62426455a6085a78a99b
[INFO] running `Command { std: "docker" "start" "-a" "efd053b68dbff2fbd0941b9771abb02057fa57e9919b62426455a6085a78a99b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking file v1.1.1
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking filebuffer v0.3.0
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.2.6
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking structopt v0.2.6
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking unwalk-base v0.2.0-beta1 (/opt/rustwide/workdir/base)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> base/src/error.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     error: Box<std::error::Error + Sync + Send>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> base/src/lib.rs:2:54
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(missing_debug_implementations, missing_docs, warnings)]
[INFO] [stdout]    |                                                      ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 |     error: Box<dyn std::error::Error + Sync + Send>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> base/src/error.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |         E: Into<Box<std::error::Error + Sync + Send>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |         E: Into<Box<dyn std::error::Error + Sync + Send>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unwalk-gz v0.2.0-beta1 (/opt/rustwide/workdir/gz)
[INFO] [stderr]  Documenting unwalk v0.2.0-beta1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "efd053b68dbff2fbd0941b9771abb02057fa57e9919b62426455a6085a78a99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd053b68dbff2fbd0941b9771abb02057fa57e9919b62426455a6085a78a99b", kill_on_drop: false }`
[INFO] [stdout] efd053b68dbff2fbd0941b9771abb02057fa57e9919b62426455a6085a78a99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e35b8973e2b7f9a0cd372bc6df9810a6cf1fbf4131a767fa1c1d4eeb910bf9a
[INFO] running `Command { std: "docker" "start" "-a" "6e35b8973e2b7f9a0cd372bc6df9810a6cf1fbf4131a767fa1c1d4eeb910bf9a", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `unwalk`
[INFO] running `Command { std: "docker" "inspect" "6e35b8973e2b7f9a0cd372bc6df9810a6cf1fbf4131a767fa1c1d4eeb910bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e35b8973e2b7f9a0cd372bc6df9810a6cf1fbf4131a767fa1c1d4eeb910bf9a", kill_on_drop: false }`
[INFO] [stdout] 6e35b8973e2b7f9a0cd372bc6df9810a6cf1fbf4131a767fa1c1d4eeb910bf9a
