[INFO] fetching crate writefreely_client 0.2.0...
[INFO] testing writefreely_client-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate writefreely_client 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate writefreely_client 0.2.0
[INFO] finished tweaking crates.io crate writefreely_client 0.2.0
[INFO] tweaked toml for crates.io crate writefreely_client 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate writefreely_client 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate writefreely_client 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 709b775659926ca3335d0f9870441a29ee9820fed5861040820169a664045d91
[INFO] running `Command { std: "docker" "start" "-a" "709b775659926ca3335d0f9870441a29ee9820fed5861040820169a664045d91", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "709b775659926ca3335d0f9870441a29ee9820fed5861040820169a664045d91", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f4923f3849273cf5dea3643955e65625657146fbd8da4552192162cda7b779f
[INFO] running `Command { std: "docker" "start" "-a" "4f4923f3849273cf5dea3643955e65625657146fbd8da4552192162cda7b779f", kill_on_drop: false }`
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[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/api/collections.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 | /     pub async fn update(
[INFO] [stdout] 328 | |         &self,
[INFO] [stdout] 329 | |         alias: &str,
[INFO] [stdout] 330 | |         update_req: &UpdateRequest,
[INFO] [stdout] 331 | |     ) -> Result<Collection, Error> {
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `for<'de> !: Deserialize<'de>` will fail
[INFO] [stdout]    --> src/api/collections.rs:334:14
[INFO] [stdout]     |
[INFO] [stdout] 334 |             .post(&format!("/collections/{alias}"), update_req)
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 334 |             .post::<(), _, _>(&format!("/collections/{alias}"), update_req)
[INFO] [stdout]     |                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NullString` is never constructed
[INFO] [stdout]    --> src/api/collections.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | struct NullString {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/api/client.rs:397:16
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn api(&self) -> ClientApi {
[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] 397 |     pub fn api(&self) -> ClientApi<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `writefreely_client` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4f4923f3849273cf5dea3643955e65625657146fbd8da4552192162cda7b779f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4923f3849273cf5dea3643955e65625657146fbd8da4552192162cda7b779f", kill_on_drop: false }`
[INFO] [stdout] 4f4923f3849273cf5dea3643955e65625657146fbd8da4552192162cda7b779f
