[INFO] fetching crate mirror-cache 0.1.0...
[INFO] testing mirror-cache-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mirror-cache 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mirror-cache 0.1.0
[INFO] finished tweaking crates.io crate mirror-cache 0.1.0
[INFO] tweaked toml for crates.io crate mirror-cache 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mirror-cache 0.1.0 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 mirror-cache 0.1.0 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 }`
[INFO] [stderr]     Updating crates.io index
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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] 562793a571d1f610549da3c994e2f3c2125021942f5c70564fbaaceb856260c1
[INFO] running `Command { std: "docker" "start" "-a" "562793a571d1f610549da3c994e2f3c2125021942f5c70564fbaaceb856260c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562793a571d1f610549da3c994e2f3c2125021942f5c70564fbaaceb856260c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562793a571d1f610549da3c994e2f3c2125021942f5c70564fbaaceb856260c1", kill_on_drop: false }`
[INFO] [stdout] 562793a571d1f610549da3c994e2f3c2125021942f5c70564fbaaceb856260c1
[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] 586be648c3b9b70010da6c3dc1177c37cfa0525877f455a5b28f2276dee0dd47
[INFO] running `Command { std: "docker" "start" "-a" "586be648c3b9b70010da6c3dc1177c37cfa0525877f455a5b28f2276dee0dd47", kill_on_drop: false }`
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[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/models.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub fn set_lru_cache_entry(
[INFO] [stdout] 50 | |     con: &mut SyncConnection,
[INFO] [stdout] 51 | |     key: &str,
[INFO] [stdout] 52 | |     entry: &CacheEntry<LruCacheMetadata, String, ()>,
[INFO] [stdout] 53 | |     total_size_key: &str,
[INFO] [stdout] 54 | |     zlist_key: &str,
[INFO] [stdout] 55 | | ) -> Result<()> {
[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/models.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .query(con)?;
[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] 71 |         .query::<()>(con)?;
[INFO] [stdout]    |               ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/task.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut tm = self;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoCache` is never constructed
[INFO] [stdout]    --> src/cache.rs:922:12
[INFO] [stdout]     |
[INFO] [stdout] 922 | pub struct NoCache {}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mirror-cache` (bin "mirror-cache") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "586be648c3b9b70010da6c3dc1177c37cfa0525877f455a5b28f2276dee0dd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586be648c3b9b70010da6c3dc1177c37cfa0525877f455a5b28f2276dee0dd47", kill_on_drop: false }`
[INFO] [stdout] 586be648c3b9b70010da6c3dc1177c37cfa0525877f455a5b28f2276dee0dd47
