[INFO] fetching crate mobc-redis-cluster 0.1.1...
[INFO] checking mobc-redis-cluster-0.1.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate mobc-redis-cluster 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mobc-redis-cluster 0.1.1
[INFO] finished tweaking crates.io crate mobc-redis-cluster 0.1.1
[INFO] tweaked toml for crates.io crate mobc-redis-cluster 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mobc-redis-cluster 0.1.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mobc-redis-cluster 0.1.1 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d636ab29db0872bb0a0746162efec1e5f6c41fd426504ef7c41586aca97b7c0
[INFO] running `Command { std: "docker" "start" "-a" "2d636ab29db0872bb0a0746162efec1e5f6c41fd426504ef7c41586aca97b7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d636ab29db0872bb0a0746162efec1e5f6c41fd426504ef7c41586aca97b7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d636ab29db0872bb0a0746162efec1e5f6c41fd426504ef7c41586aca97b7c0", kill_on_drop: false }`
[INFO] [stdout] 2d636ab29db0872bb0a0746162efec1e5f6c41fd426504ef7c41586aca97b7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543ac462fc0949a3677f441c8d68eeed100550b4e7ffdd0716263929eaeec5f6
[INFO] running `Command { std: "docker" "start" "-a" "543ac462fc0949a3677f441c8d68eeed100550b4e7ffdd0716263929eaeec5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
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[INFO] [stderr]     Checking redis_cluster_async v0.6.0
[INFO] [stderr]     Checking mobc-redis-cluster v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn check(&self, mut conn: Self::Connection) -> Result<Self::Connection, Self::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 `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/lib.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         redis::cmd("PING").query_async(&mut conn).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] 28 |         redis::cmd("PING").query_async::<_, ()>(&mut conn).await?;
[INFO] [stdout]    |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn check(&self, mut conn: Self::Connection) -> Result<Self::Connection, Self::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 `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/lib.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         redis::cmd("PING").query_async(&mut conn).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] 28 |         redis::cmd("PING").query_async::<_, ()>(&mut conn).await?;
[INFO] [stdout]    |                                       +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mobc-redis-cluster` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mobc-redis-cluster` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "543ac462fc0949a3677f441c8d68eeed100550b4e7ffdd0716263929eaeec5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543ac462fc0949a3677f441c8d68eeed100550b4e7ffdd0716263929eaeec5f6", kill_on_drop: false }`
[INFO] [stdout] 543ac462fc0949a3677f441c8d68eeed100550b4e7ffdd0716263929eaeec5f6
