[INFO] cloning repository https://github.com/jdmichaud/integ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdmichaud/integ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Finteg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Finteg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aeac2b833f6eb157defb4f3342dc8135af3d64d
[INFO] testing jdmichaud/integ against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmichaud%2Finteg" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jdmichaud/integ
[INFO] finished tweaking git repo https://github.com/jdmichaud/integ
[INFO] tweaked toml for git repo https://github.com/jdmichaud/integ written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdmichaud/integ on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdmichaud/integ 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45d916f338d1266d201ce42e4ca29b69aa70deb3ccc8f086d33af1966100b9f3
[INFO] running `Command { std: "docker" "start" "-a" "45d916f338d1266d201ce42e4ca29b69aa70deb3ccc8f086d33af1966100b9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d916f338d1266d201ce42e4ca29b69aa70deb3ccc8f086d33af1966100b9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d916f338d1266d201ce42e4ca29b69aa70deb3ccc8f086d33af1966100b9f3", kill_on_drop: false }`
[INFO] [stdout] 45d916f338d1266d201ce42e4ca29b69aa70deb3ccc8f086d33af1966100b9f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 389fc6f7e7d3f6b66c0d2aa8811dcfa123fcfb299ddc57a796c63b59bb9a4736
[INFO] running `Command { std: "docker" "start" "-a" "389fc6f7e7d3f6b66c0d2aa8811dcfa123fcfb299ddc57a796c63b59bb9a4736", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling integ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Config {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     workers: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is 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: field `package` is never read
[INFO] [stdout]    --> src/main.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 354 | struct Project<'a> {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 355 |     name: String,
[INFO] [stdout] 356 |     package: &'a Package,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:459:45
[INFO] [stdout]     |
[INFO] [stdout] 459 |         .filter(|line| PathBuf::from(line[1].clone()).exists())
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.92s
[INFO] running `Command { std: "docker" "inspect" "389fc6f7e7d3f6b66c0d2aa8811dcfa123fcfb299ddc57a796c63b59bb9a4736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389fc6f7e7d3f6b66c0d2aa8811dcfa123fcfb299ddc57a796c63b59bb9a4736", kill_on_drop: false }`
[INFO] [stdout] 389fc6f7e7d3f6b66c0d2aa8811dcfa123fcfb299ddc57a796c63b59bb9a4736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0bff9e7d7b4018704e2e29a32c643d5f7ef8cb7b3e3d0c67dd90384a8fb1316
[INFO] running `Command { std: "docker" "start" "-a" "d0bff9e7d7b4018704e2e29a32c643d5f7ef8cb7b3e3d0c67dd90384a8fb1316", kill_on_drop: false }`
[INFO] [stderr]    Compiling integ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Package` is never constructed
[INFO] [stdout]  --> examples/json.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Package<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_package` is never used
[INFO] [stdout]   --> examples/json.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn load_package(pjson: &str) -> Package {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> examples/json.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn load_package(pjson: &str) -> Package {
[INFO] [stdout]    |                        ^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn load_package(pjson: &str) -> Package<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `asynchronous` is never used
[INFO] [stdout]   --> examples/git.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn asynchronous() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all` is never used
[INFO] [stdout]  --> examples/arr-to-res.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn all<T, E>(results: Vec<Result<T, E>>) -> Result<Vec<T>, E> {
[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 `Observer` is never constructed
[INFO] [stdout]  --> examples/observable.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Observer<T, E> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> examples/observable.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct FullObserver<T, E> {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     error: Box<dyn Fn(E)>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `subscribe_observer` is never used
[INFO] [stdout]   --> examples/observable.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<T, E> Observable<T, E> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn subscribe_observer(&self, observer: Observer<T, E>) -> Subscription {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Repo` is never constructed
[INFO] [stdout]  --> examples/yaml.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Repo {
[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 `Config` is never constructed
[INFO] [stdout]   --> examples/yaml.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Config {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_config` is never used
[INFO] [stdout]   --> examples/yaml.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn load_config(config_yaml: &str) -> Config {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Config {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     workers: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is 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: field `package` is never read
[INFO] [stdout]    --> src/main.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 354 | struct Project<'a> {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 355 |     name: String,
[INFO] [stdout] 356 |     package: &'a Package,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:459:45
[INFO] [stdout]     |
[INFO] [stdout] 459 |         .filter(|line| PathBuf::from(line[1].clone()).exists())
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "d0bff9e7d7b4018704e2e29a32c643d5f7ef8cb7b3e3d0c67dd90384a8fb1316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bff9e7d7b4018704e2e29a32c643d5f7ef8cb7b3e3d0c67dd90384a8fb1316", kill_on_drop: false }`
[INFO] [stdout] d0bff9e7d7b4018704e2e29a32c643d5f7ef8cb7b3e3d0c67dd90384a8fb1316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c77778cc687f11e2b86c9e66ba8451229df5d341bdda6379f2ba6c79c5a4d66
[INFO] running `Command { std: "docker" "start" "-a" "6c77778cc687f11e2b86c9e66ba8451229df5d341bdda6379f2ba6c79c5a4d66", kill_on_drop: false }`
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct Config {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 53 |     workers: usize,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `package` is never read
[INFO] [stderr]    --> src/main.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 354 | struct Project<'a> {
[INFO] [stderr]     |        ------- field in this struct
[INFO] [stderr] 355 |     name: String,
[INFO] [stderr] 356 |     package: &'a Package,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Project` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/main.rs:459:45
[INFO] [stderr]     |
[INFO] [stderr] 459 |         .filter(|line| PathBuf::from(line[1].clone()).exists())
[INFO] [stderr]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Repo` is never constructed
[INFO] [stderr]  --> examples/yaml.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Repo {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Config` is never constructed
[INFO] [stderr]   --> examples/yaml.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Config {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_config` is never used
[INFO] [stderr]   --> examples/yaml.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn load_config(config_yaml: &str) -> Config {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Package` is never constructed
[INFO] [stderr]  --> examples/json.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Package<'a> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_package` is never used
[INFO] [stderr]   --> examples/json.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn load_package(pjson: &str) -> Package {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> examples/json.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn load_package(pjson: &str) -> Package {
[INFO] [stderr]    |                        ^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn load_package(pjson: &str) -> Package<'_> {
[INFO] [stderr]    |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `asynchronous` is never used
[INFO] [stderr]   --> examples/git.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn asynchronous() {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Observer` is never constructed
[INFO] [stderr]  --> examples/observable.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Observer<T, E> {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `error` is never read
[INFO] [stderr]   --> examples/observable.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct FullObserver<T, E> {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     error: Box<dyn Fn(E)>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `subscribe_observer` is never used
[INFO] [stderr]   --> examples/observable.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl<T, E> Observable<T, E> {
[INFO] [stderr]    | --------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 74 |     fn subscribe_observer(&self, observer: Observer<T, E>) -> Subscription {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `all` is never used
[INFO] [stderr]  --> examples/arr-to-res.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn all<T, E>(results: Vec<Result<T, E>>) -> Result<Vec<T>, E> {
[INFO] [stderr]   |    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `integ` (bin "integ" test) generated 3 warnings (run `cargo fix --bin "integ" -p integ --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `integ` (example "yaml") generated 3 warnings
[INFO] [stderr] warning: `integ` (example "json") generated 3 warnings (run `cargo fix --example "json" -p integ` to apply 1 suggestion)
[INFO] [stderr] warning: `integ` (example "git") generated 1 warning
[INFO] [stderr] warning: `integ` (example "observable") generated 3 warnings
[INFO] [stderr] warning: `integ` (example "arr-to-res") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/integ-82b95758e95d57b8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c77778cc687f11e2b86c9e66ba8451229df5d341bdda6379f2ba6c79c5a4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c77778cc687f11e2b86c9e66ba8451229df5d341bdda6379f2ba6c79c5a4d66", kill_on_drop: false }`
[INFO] [stdout] 6c77778cc687f11e2b86c9e66ba8451229df5d341bdda6379f2ba6c79c5a4d66
