[INFO] cloning repository https://github.com/gabrielcfvg/file_list_flattener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrielcfvg/file_list_flattener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielcfvg%2Ffile_list_flattener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielcfvg%2Ffile_list_flattener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c73987097ade989615ebeff7a700244e21bc3d56
[INFO] checking gabrielcfvg/file_list_flattener against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielcfvg%2Ffile_list_flattener" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabrielcfvg/file_list_flattener on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabrielcfvg/file_list_flattener
[INFO] finished tweaking git repo https://github.com/gabrielcfvg/file_list_flattener
[INFO] tweaked toml for git repo https://github.com/gabrielcfvg/file_list_flattener written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gabrielcfvg/file_list_flattener 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7cc9fd9a6e7ed607fa6ea293d0d7c546bcd8db4f8c20ffc807812b1df7d4047
[INFO] running `Command { std: "docker" "start" "-a" "b7cc9fd9a6e7ed607fa6ea293d0d7c546bcd8db4f8c20ffc807812b1df7d4047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7cc9fd9a6e7ed607fa6ea293d0d7c546bcd8db4f8c20ffc807812b1df7d4047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cc9fd9a6e7ed607fa6ea293d0d7c546bcd8db4f8c20ffc807812b1df7d4047", kill_on_drop: false }`
[INFO] [stdout] b7cc9fd9a6e7ed607fa6ea293d0d7c546bcd8db4f8c20ffc807812b1df7d4047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5215331744e0bfe28bf2aae8b34a170478f334a0b473d9dbfa53ac544ba8d5e0
[INFO] running `Command { std: "docker" "start" "-a" "5215331744e0bfe28bf2aae8b34a170478f334a0b473d9dbfa53ac544ba8d5e0", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking bstr v1.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking file_list_flattener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Batch` is never constructed
[INFO] [stdout]  --> src/batch.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Batch<T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchBuilder` is never constructed
[INFO] [stdout]   --> src/batch.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BatchBuilder<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `flush_batch`, and `get` are never used
[INFO] [stdout]   --> src/batch.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> BatchBuilder<T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     pub fn new(batch_size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, new_item: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn flush_batch(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get(mut self) -> Vec<Batch<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_file` is never used
[INFO] [stdout]   --> src/filesystem/builder.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Builder {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn build_file(path: &std::path::Path, file: &template::File) -> <Self as template::Visitor>::FileReturnType {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `check_file` is never used
[INFO] [stdout]    --> src/filesystem/checker.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl Checker {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn check_file(path: &std::path::Path, file: &template::File) -> <Self as template::Visitor>::FileReturnType {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `items` is never read
[INFO] [stdout]  --> src/batch.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Batch<T> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |
[INFO] [stdout] 6 |     pub items: Box<[T]>
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "5215331744e0bfe28bf2aae8b34a170478f334a0b473d9dbfa53ac544ba8d5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5215331744e0bfe28bf2aae8b34a170478f334a0b473d9dbfa53ac544ba8d5e0", kill_on_drop: false }`
[INFO] [stdout] 5215331744e0bfe28bf2aae8b34a170478f334a0b473d9dbfa53ac544ba8d5e0