[INFO] cloning repository https://github.com/BeInBloom/rust_url_shortener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BeInBloom/rust_url_shortener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeInBloom%2Frust_url_shortener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeInBloom%2Frust_url_shortener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7045e06cc8261f5ba0a774f8cc7c7865cf6983c9
[INFO] checking BeInBloom/rust_url_shortener against master#540f43a224317d894a9a0710a8d67704f179a33c for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeInBloom%2Frust_url_shortener" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BeInBloom/rust_url_shortener
[INFO] finished tweaking git repo https://github.com/BeInBloom/rust_url_shortener
[INFO] tweaked toml for git repo https://github.com/BeInBloom/rust_url_shortener written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BeInBloom/rust_url_shortener on toolchain 540f43a224317d894a9a0710a8d67704f179a33c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BeInBloom/rust_url_shortener 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" "+540f43a224317d894a9a0710a8d67704f179a33c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f451574942ca0f96a27ce8d4fc9b0de9f5ba47b13fe234b7f289896fb3ec8e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f451574942ca0f96a27ce8d4fc9b0de9f5ba47b13fe234b7f289896fb3ec8e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f451574942ca0f96a27ce8d4fc9b0de9f5ba47b13fe234b7f289896fb3ec8e6e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50678748506a7029849bcb44dbd3c7e1aea0dcd8924f45eb41481fc5aba51353
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[INFO] [stdout] warning: fields `cache` and `flush` are never read
[INFO] [stdout]   --> src/config.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     pub cache: CacheConfig,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub flush: FlushConfig,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ttl` and `capacity` are never read
[INFO] [stdout]   --> src/config.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct CacheConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 51 |     pub ttl: Duration,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 52 |     pub capacity: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `queue_capacity`, `batch_size`, and `interval` are never read
[INFO] [stdout]   --> src/config.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct FlushConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 57 |     pub queue_capacity: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub batch_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 59 |     pub interval: Duration,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlushConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NotImplemented` and `Overloaded` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AppError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 11 |     #[error("not implemented")]
[INFO] [stdout] 12 |     NotImplemented,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Overloaded,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache` and `flush` are never read
[INFO] [stdout]   --> src/config.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     pub cache: CacheConfig,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub flush: FlushConfig,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ttl` and `capacity` are never read
[INFO] [stdout]   --> src/config.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct CacheConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 51 |     pub ttl: Duration,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 52 |     pub capacity: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `queue_capacity`, `batch_size`, and `interval` are never read
[INFO] [stdout]   --> src/config.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct FlushConfig {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 57 |     pub queue_capacity: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub batch_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 59 |     pub interval: Duration,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlushConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NotImplemented` and `Overloaded` are never constructed
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum AppError {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 11 |     #[error("not implemented")]
[INFO] [stdout] 12 |     NotImplemented,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Overloaded,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.63s
[INFO] running `Command { std: "docker" "inspect" "50678748506a7029849bcb44dbd3c7e1aea0dcd8924f45eb41481fc5aba51353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50678748506a7029849bcb44dbd3c7e1aea0dcd8924f45eb41481fc5aba51353", kill_on_drop: false }`
[INFO] [stdout] 50678748506a7029849bcb44dbd3c7e1aea0dcd8924f45eb41481fc5aba51353
