[INFO] cloning repository https://github.com/jmeyers35/design-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmeyers35/design-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2Fdesign-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2Fdesign-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ff9465eff5a1c297113b851219425a4774816d
[INFO] checking jmeyers35/design-patterns against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2Fdesign-patterns" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jmeyers35/design-patterns
[INFO] finished tweaking git repo https://github.com/jmeyers35/design-patterns
[INFO] tweaked toml for git repo https://github.com/jmeyers35/design-patterns written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jmeyers35/design-patterns on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jmeyers35/design-patterns 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dca78ab65c1b6b13ada5ac4ffbff372c97d01aa3ce6d532384af5f8cc435275
[INFO] running `Command { std: "docker" "start" "-a" "4dca78ab65c1b6b13ada5ac4ffbff372c97d01aa3ce6d532384af5f8cc435275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dca78ab65c1b6b13ada5ac4ffbff372c97d01aa3ce6d532384af5f8cc435275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dca78ab65c1b6b13ada5ac4ffbff372c97d01aa3ce6d532384af5f8cc435275", kill_on_drop: false }`
[INFO] [stdout] 4dca78ab65c1b6b13ada5ac4ffbff372c97d01aa3ce6d532384af5f8cc435275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87bbd4a8886734e7561e6092a2380625fd23ea473442e31cbd7880138aff7e4d
[INFO] running `Command { std: "docker" "start" "-a" "87bbd4a8886734e7561e6092a2380625fd23ea473442e31cbd7880138aff7e4d", kill_on_drop: false }`
[INFO] [stderr]     Checking design-patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bridge/bridge.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<K, V> GenericStore<K, V>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     K: Eq + Hash + 'static,
[INFO] [stdout] 25 | |     V: 'static,
[INFO] [stdout]    | |_______________- associated function in this implementation
[INFO] [stdout] 26 |   {
[INFO] [stdout] 27 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryStore` is never constructed
[INFO] [stdout]   --> src/bridge/bridge.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct MemoryStore<K, V>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bridge/bridge.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | / impl<K, V> MemoryStore<K, V>
[INFO] [stdout] 66 | | where
[INFO] [stdout] 67 | |     K: Eq + Hash,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 68 |   {
[INFO] [stdout] 69 |       fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `req_type` is never read
[INFO] [stdout]  --> src/builder/builder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Request {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     req_type: RequestType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/builder/builder.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl GetRequestBuilder {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringBuf` is never constructed
[INFO] [stdout]  --> src/command/command.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct StringBuf {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_mut`, and `current_state` are never used
[INFO] [stdout]   --> src/command/command.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl StringBuf {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 10 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_mut(&self) -> Rc<RefCell<String>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn current_state(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StringBufOperation` is never used
[INFO] [stdout]   --> src/command/command.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait StringBufOperation {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddCharOperation` is never constructed
[INFO] [stdout]   --> src/command/command.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct AddCharOperation {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/command/command.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl AddCharOperation {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 37 |     fn new(buf: Rc<RefCell<String>>, c: char) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/decorator/decorator.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl StringMessage {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 10 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/decorator/decorator.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | / impl<T> UppercaseMessage<T>
[INFO] [stdout] 29 | | where
[INFO] [stdout] 30 | |     T: Message,
[INFO] [stdout]    | |_______________- associated function in this implementation
[INFO] [stdout] 31 |   {
[INFO] [stdout] 32 |       fn new(message: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/decorator/decorator.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | / impl<T> BracketedMessage<T>
[INFO] [stdout] 55 | | where
[INFO] [stdout] 56 | |     T: Message,
[INFO] [stdout]    | |_______________- associated function in this implementation
[INFO] [stdout] 57 |   {
[INFO] [stdout] 58 |       fn new(message: T) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `req_type` is never read
[INFO] [stdout]  --> src/builder/builder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Request {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     req_type: RequestType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/builder/builder.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl GetRequestBuilder {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "87bbd4a8886734e7561e6092a2380625fd23ea473442e31cbd7880138aff7e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bbd4a8886734e7561e6092a2380625fd23ea473442e31cbd7880138aff7e4d", kill_on_drop: false }`
[INFO] [stdout] 87bbd4a8886734e7561e6092a2380625fd23ea473442e31cbd7880138aff7e4d
