[INFO] fetching crate redis_utils 0.1.3...
[INFO] testing redis_utils-0.1.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate redis_utils 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate redis_utils 0.1.3
[INFO] finished tweaking crates.io crate redis_utils 0.1.3
[INFO] tweaked toml for crates.io crate redis_utils 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate redis_utils 0.1.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to highest compatible versions
[INFO] [stderr]       Adding redis v0.21.8 (available: v1.7.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7
[INFO] running `Command { std: "docker" "start" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling tokio-util v0.7.20
[INFO] [stderr]    Compiling combine v4.6.9
[INFO] [stderr]    Compiling redis v0.21.8
[INFO] [stderr]    Compiling redis_utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied
[INFO] [stdout]    --> src/converters.rs:178:39
[INFO] [stdout]     |
[INFO] [stdout] 178 |         redis::cmd("WATCH").arg(&key).query_async(self).await?;
[INFO] [stdout]     |                                       ^^^^^^^^^^^ the trait `FromRedisValue` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `FromRedisValue`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T12,)
[INFO] [stdout]               (T11, T12)
[INFO] [stdout]               (T10, T11, T12)
[INFO] [stdout]               (T9, T10, T11, T12)
[INFO] [stdout]               (T8, T9, T10, T11, T12)
[INFO] [stdout]               (T7, T8, T9, T10, T11, T12)
[INFO] [stdout]               (T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]             and 30 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `Cmd::query_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.21.8/src/cmd.rs:377:36
[INFO] [stdout]     |
[INFO] [stdout] 277 | impl Cmd {
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub async fn query_async<C, T: FromRedisValue>(&self, con: &mut C) -> RedisResult<T>
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^ required by this bound in `Cmd::query_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis_utils` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7", kill_on_drop: false }`
[INFO] [stdout] 547607377a4a76928ac339924b11f7ec6c95ddcbcb3cee42fd49982c260849b7
