[INFO] fetching crate a-mutex 0.1.2...
[INFO] testing a-mutex-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate a-mutex 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate a-mutex 0.1.2
[INFO] finished tweaking crates.io crate a-mutex 0.1.2
[INFO] tweaked toml for crates.io crate a-mutex 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate a-mutex 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 143 packages to latest compatible versions
[INFO] [stderr]       Adding bb8-redis v0.11.0 (available: v0.24.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding redis v0.21.7 (available: v0.32.7)
[INFO] [stderr]       Adding testcontainers v0.14.0 (available: v0.25.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bb8-redis v0.11.0
[INFO] [stderr]   Downloaded testcontainers v0.14.0
[INFO] [stderr]   Downloaded bollard-stubs v1.41.0
[INFO] [stderr]   Downloaded redis v0.21.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 882233b25bbed27813121fff23d08c0f96731cb2f43446b43fee91b37db6459a
[INFO] running `Command { std: "docker" "start" "-a" "882233b25bbed27813121fff23d08c0f96731cb2f43446b43fee91b37db6459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882233b25bbed27813121fff23d08c0f96731cb2f43446b43fee91b37db6459a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882233b25bbed27813121fff23d08c0f96731cb2f43446b43fee91b37db6459a", kill_on_drop: false }`
[INFO] [stdout] 882233b25bbed27813121fff23d08c0f96731cb2f43446b43fee91b37db6459a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] af53aedd98a2d72f66cb44cb860de02cd8442590df898e97a007c503a5d3ba6e
[INFO] running `Command { std: "docker" "start" "-a" "af53aedd98a2d72f66cb44cb860de02cd8442590df898e97a007c503a5d3ba6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling auto_impl v1.3.0
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling bb8 v0.8.6
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]    Compiling redis v0.21.7
[INFO] [stderr]    Compiling bb8-redis v0.11.0
[INFO] [stderr]    Compiling a-mutex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/redis.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | #[async_trait]
[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/redis.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         con.set(format_data_key(&self.mutex.key), &data).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] 279 |         con.set::<_, _, ()>(format_data_key(&self.mutex.key), &data).await?;
[INFO] [stdout]     |                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/redis.rs:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | #[async_trait]
[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/redis.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         con.del(format_data_key(&self.mutex.key)).await?;
[INFO] [stdout]     |             ^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 297 |         con.del::<_, ()>(format_data_key(&self.mutex.key)).await?;
[INFO] [stdout]     |                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `a-mutex` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "af53aedd98a2d72f66cb44cb860de02cd8442590df898e97a007c503a5d3ba6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af53aedd98a2d72f66cb44cb860de02cd8442590df898e97a007c503a5d3ba6e", kill_on_drop: false }`
[INFO] [stdout] af53aedd98a2d72f66cb44cb860de02cd8442590df898e97a007c503a5d3ba6e
