[INFO] cloning repository https://github.com/tmikus/rust-with-python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmikus/rust-with-python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmikus%2Frust-with-python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmikus%2Frust-with-python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1695d48ad26675efa876f5f7992e375cfa25fee
[INFO] documenting tmikus/rust-with-python 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%2Ftmikus%2Frust-with-python" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmikus/rust-with-python 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/tmikus/rust-with-python
[INFO] finished tweaking git repo https://github.com/tmikus/rust-with-python
[INFO] tweaked toml for git repo https://github.com/tmikus/rust-with-python written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tmikus/rust-with-python 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c71ae4960e5459b50db9e352b01e51b08c0f49f32286dd9b6c5de60c3c8341f3
[INFO] running `Command { std: "docker" "start" "-a" "c71ae4960e5459b50db9e352b01e51b08c0f49f32286dd9b6c5de60c3c8341f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71ae4960e5459b50db9e352b01e51b08c0f49f32286dd9b6c5de60c3c8341f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71ae4960e5459b50db9e352b01e51b08c0f49f32286dd9b6c5de60c3c8341f3", kill_on_drop: false }`
[INFO] [stdout] c71ae4960e5459b50db9e352b01e51b08c0f49f32286dd9b6c5de60c3c8341f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a9b936476ff1d94580a8b3f8d190cf8f3747583586bbbe543dbddc6e16f689af
[INFO] running `Command { std: "docker" "start" "-a" "a9b936476ff1d94580a8b3f8d190cf8f3747583586bbbe543dbddc6e16f689af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pyo3-build-config v0.15.1
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking base_classifier v0.1.0 (/opt/rustwide/workdir/base_classifier)
[INFO] [stderr]  Documenting base_classifier v0.1.0 (/opt/rustwide/workdir/base_classifier)
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stdout] warning: field is never read: `classifications`
[INFO] [stdout]  --> base_classifier/src/classified_message.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   classifications: Vec<String>,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ClassifiedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> base_classifier/src/classified_message.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> base_classifier/src/classified_message.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   message: &'a str,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `ClassifiedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> base_classifier/src/classified_message.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking rust_classifier v0.1.0 (/opt/rustwide/workdir/rust_classifier)
[INFO] [stderr]  Documenting rust_classifier v0.1.0 (/opt/rustwide/workdir/rust_classifier)
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3 v0.15.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking python_classifier v0.1.0 (/opt/rustwide/workdir/python_classifier)
[INFO] [stderr]  Documenting python_classifier v0.1.0 (/opt/rustwide/workdir/python_classifier)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> python_classifier/src/test_classifier.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> python_classifier/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod test_classifier;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoPyDict`, `PyString`
[INFO] [stdout]  --> python_classifier/src/test_classifier.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pyo3::types::{IntoPyDict, PyModule, PyString};
[INFO] [stdout]   |                   ^^^^^^^^^^            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> python_classifier/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod test_classifier;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.92s
[INFO] running `Command { std: "docker" "inspect" "a9b936476ff1d94580a8b3f8d190cf8f3747583586bbbe543dbddc6e16f689af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b936476ff1d94580a8b3f8d190cf8f3747583586bbbe543dbddc6e16f689af", kill_on_drop: false }`
[INFO] [stdout] a9b936476ff1d94580a8b3f8d190cf8f3747583586bbbe543dbddc6e16f689af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 5c2dbdd83aaccfc7140ff6ae492a418c9ade10a68832adb38b9d26739e883b08
[INFO] running `Command { std: "docker" "start" "-a" "5c2dbdd83aaccfc7140ff6ae492a418c9ade10a68832adb38b9d26739e883b08", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "5c2dbdd83aaccfc7140ff6ae492a418c9ade10a68832adb38b9d26739e883b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2dbdd83aaccfc7140ff6ae492a418c9ade10a68832adb38b9d26739e883b08", kill_on_drop: false }`
[INFO] [stdout] 5c2dbdd83aaccfc7140ff6ae492a418c9ade10a68832adb38b9d26739e883b08