[INFO] cloning repository https://github.com/remysaissy/rs-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remysaissy/rs-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremysaissy%2Frs-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremysaissy%2Frs-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53bd3238cd397eb48434c18f188d20ac9f8feabc
[INFO] checking remysaissy/rs-patterns against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremysaissy%2Frs-patterns" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remysaissy/rs-patterns on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remysaissy/rs-patterns
[INFO] finished tweaking git repo https://github.com/remysaissy/rs-patterns
[INFO] tweaked toml for git repo https://github.com/remysaissy/rs-patterns written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/remysaissy/rs-patterns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa47871c9c7ad33077a8f5a52d3a51b540b28b5ec6508550e1dd24909669629
[INFO] running `Command { std: "docker" "start" "-a" "2fa47871c9c7ad33077a8f5a52d3a51b540b28b5ec6508550e1dd24909669629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa47871c9c7ad33077a8f5a52d3a51b540b28b5ec6508550e1dd24909669629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa47871c9c7ad33077a8f5a52d3a51b540b28b5ec6508550e1dd24909669629", kill_on_drop: false }`
[INFO] [stdout] 2fa47871c9c7ad33077a8f5a52d3a51b540b28b5ec6508550e1dd24909669629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b7fbf688eae4fd93797933256f9ee25dbf9c61aa2a4d82bc0529c151f23350b
[INFO] running `Command { std: "docker" "start" "-a" "7b7fbf688eae4fd93797933256f9ee25dbf9c61aa2a4d82bc0529c151f23350b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking patterns v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/creational/builder.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Schema`
[INFO] [stdout]   --> src/behavioural/command.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Schema {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/command.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_migration`
[INFO] [stdout]   --> src/behavioural/command.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn add_migration(&mut self, cmd: Box<dyn Migration>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/behavioural/command.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn execute(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rollback`
[INFO] [stdout]   --> src/behavioural/command.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn rollback(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interpreter`
[INFO] [stdout]  --> src/behavioural/interpreter.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Interpreter<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(infix: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_char`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn consume(&mut self, out: &mut String) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn interpret(&mut self, out: &mut String) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `InnerFoo`
[INFO] [stdout]  --> src/behavioural/new_type.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct InnerFoo {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/behavioural/new_type.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> src/behavioural/new_type.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Foo {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/new_type.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Report`
[INFO] [stdout]   --> src/behavioural/strategy.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Report;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/behavioural/strategy.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn generate<F: Formatter>(f: F, data: &Data, out: &mut String) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `builder`
[INFO] [stdout]  --> src/creational/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn builder() -> FooBuilder {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/creational/builder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/creational/builder.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_name`
[INFO] [stdout]   --> src/creational/builder.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn with_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> src/creational/builder.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn build(self) -> Foo {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking patterns v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `Schema`
[INFO] [stdout]   --> src/behavioural/command.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Schema {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/command.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_migration`
[INFO] [stdout]   --> src/behavioural/command.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn add_migration(&mut self, cmd: Box<dyn Migration>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/behavioural/command.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn execute(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rollback`
[INFO] [stdout]   --> src/behavioural/command.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn rollback(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interpreter`
[INFO] [stdout]  --> src/behavioural/interpreter.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Interpreter<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(infix: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_char`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn next_char(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn consume(&mut self, out: &mut String) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret`
[INFO] [stdout]   --> src/behavioural/interpreter.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn interpret(&mut self, out: &mut String) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `InnerFoo`
[INFO] [stdout]  --> src/behavioural/new_type.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct InnerFoo {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/behavioural/new_type.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> src/behavioural/new_type.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Foo {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/behavioural/new_type.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Report`
[INFO] [stdout]   --> src/behavioural/strategy.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Report;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/behavioural/strategy.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn generate<F: Formatter>(f: F, data: &Data, out: &mut String) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `builder`
[INFO] [stdout]  --> src/creational/builder.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn builder() -> FooBuilder {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/creational/builder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/creational/builder.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_name`
[INFO] [stdout]   --> src/creational/builder.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn with_name(mut self, name: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> src/creational/builder.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn build(self) -> Foo {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/creational/builder.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "7b7fbf688eae4fd93797933256f9ee25dbf9c61aa2a4d82bc0529c151f23350b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7fbf688eae4fd93797933256f9ee25dbf9c61aa2a4d82bc0529c151f23350b", kill_on_drop: false }`
[INFO] [stdout] 7b7fbf688eae4fd93797933256f9ee25dbf9c61aa2a4d82bc0529c151f23350b