[INFO] cloning repository https://github.com/lucarin91/url-shortener-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucarin91/url-shortener-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucarin91%2Furl-shortener-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucarin91%2Furl-shortener-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cefb51e3c0345ce5753a3dbd4c0a0dc013334a86
[INFO] documenting lucarin91/url-shortener-tutorial 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%2Flucarin91%2Furl-shortener-tutorial" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucarin91/url-shortener-tutorial 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/lucarin91/url-shortener-tutorial
[INFO] finished tweaking git repo https://github.com/lucarin91/url-shortener-tutorial
[INFO] tweaked toml for git repo https://github.com/lucarin91/url-shortener-tutorial written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/lucarin91/url-shortener-tutorial 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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 1a8cb5ebe71fdbb2c63775397bc9c2c84b1bdc93f0de51238265e90ddf570de3
[INFO] running `Command { std: "docker" "start" "-a" "1a8cb5ebe71fdbb2c63775397bc9c2c84b1bdc93f0de51238265e90ddf570de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8cb5ebe71fdbb2c63775397bc9c2c84b1bdc93f0de51238265e90ddf570de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8cb5ebe71fdbb2c63775397bc9c2c84b1bdc93f0de51238265e90ddf570de3", kill_on_drop: false }`
[INFO] [stdout] 1a8cb5ebe71fdbb2c63775397bc9c2c84b1bdc93f0de51238265e90ddf570de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 985746102eefdafb0f7d82665056ed4748625357ab2025f91c5489eaa9aa558b
[INFO] running `Command { std: "docker" "start" "-a" "985746102eefdafb0f7d82665056ed4748625357ab2025f91c5489eaa9aa558b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
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[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
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[INFO] [stderr]     Checking unicode-normalization v0.1.19
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[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking block-buffer v0.10.2
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[INFO] [stderr]     Checking url v2.2.2
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[INFO] [stderr]     Checking zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]     Checking actix-http v3.0.4
[INFO] [stderr]     Checking actix-web v4.0.1
[INFO] [stderr]     Checking url-shortener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/hasher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting url-shortener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Hash`, `Hasher`
[INFO] [stdout]  --> src/hasher.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                 ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/kvs.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> src/kvs.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/storage.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `url-shortener`
[INFO] [stdout] error[E0432]: unresolved import `url_shortener::hasher::StringHash`
[INFO] [stdout]  --> src/bin/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use url_shortener::hasher::StringHash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `StringHash` in `hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0432]: unresolved import `url_shortener::kvs::KVS`
[INFO] [stdout]  --> src/bin/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use url_shortener::kvs::KVS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `KVS` in `kvs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name main src/bin/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=f66dfceb8dbe3bbc -L dependency=/opt/rustwide/target/debug/deps --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-a6f70a10b5db84be.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-277e048baafe960a.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-45f356086ff426f4.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-031d437ee8d5d878.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5729bd7749755fc1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1dba51e674b82cb6.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f97bde49440ad7e3.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d2ce4a4d31711e0e.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-55fdc1a47b01519f.rmeta --extern url_shortener=/opt/rustwide/target/debug/deps/liburl_shortener-25b4f6707c8d8d50.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "985746102eefdafb0f7d82665056ed4748625357ab2025f91c5489eaa9aa558b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985746102eefdafb0f7d82665056ed4748625357ab2025f91c5489eaa9aa558b", kill_on_drop: false }`
[INFO] [stdout] 985746102eefdafb0f7d82665056ed4748625357ab2025f91c5489eaa9aa558b