[INFO] fetching crate conrad-core 0.2.0...
[INFO] checking conrad-core-0.2.0 against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] extracting crate conrad-core 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate conrad-core 0.2.0
[INFO] finished tweaking crates.io crate conrad-core 0.2.0
[INFO] tweaked toml for crates.io crate conrad-core 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate conrad-core 0.2.0 on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding cookie v0.17.0 (available: v0.18.1)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bddd9bf1f318dbf575798165b25e8b63b1406b4ef8272c16884c3c6a6cdaff18
[INFO] running `Command { std: "docker" "start" "-a" "bddd9bf1f318dbf575798165b25e8b63b1406b4ef8272c16884c3c6a6cdaff18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bddd9bf1f318dbf575798165b25e8b63b1406b4ef8272c16884c3c6a6cdaff18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddd9bf1f318dbf575798165b25e8b63b1406b4ef8272c16884c3c6a6cdaff18", kill_on_drop: false }`
[INFO] [stdout] bddd9bf1f318dbf575798165b25e8b63b1406b4ef8272c16884c3c6a6cdaff18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b37da89d61915d6de9e441b6c582cc42c7eff9246360477315e36fc03cfb38a4
[INFO] running `Command { std: "docker" "start" "-a" "b37da89d61915d6de9e441b6c582cc42c7eff9246360477315e36fc03cfb38a4", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cookie v0.17.0
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking time v0.3.43
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking scrypt v0.11.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking conrad-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/auth.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 325 |     async fn delete_dead_user_sessions(&self, user_id: &UserId) -> Result<(), AuthError> {
[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 `!: Default` will fail
[INFO] [stdout]    --> src/auth.rs:338:14
[INFO] [stdout]     |
[INFO] [stdout] 338 |             .await?;
[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] 337 |             .try_collect::<()>()
[INFO] [stdout]     |                         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/auth.rs:325:5
[INFO] [stdout]     |
[INFO] [stdout] 325 |     async fn delete_dead_user_sessions(&self, user_id: &UserId) -> Result<(), AuthError> {
[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 `!: Default` will fail
[INFO] [stdout]    --> src/auth.rs:338:14
[INFO] [stdout]     |
[INFO] [stdout] 338 |             .await?;
[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] 337 |             .try_collect::<()>()
[INFO] [stdout]     |                         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conrad-core` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `conrad-core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b37da89d61915d6de9e441b6c582cc42c7eff9246360477315e36fc03cfb38a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37da89d61915d6de9e441b6c582cc42c7eff9246360477315e36fc03cfb38a4", kill_on_drop: false }`
[INFO] [stdout] b37da89d61915d6de9e441b6c582cc42c7eff9246360477315e36fc03cfb38a4