[INFO] fetching crate cmd_cachier 0.3.8...
[INFO] testing cmd_cachier-0.3.8 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate cmd_cachier 0.3.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cmd_cachier 0.3.8
[INFO] finished tweaking crates.io crate cmd_cachier 0.3.8
[INFO] tweaked toml for crates.io crate cmd_cachier 0.3.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cmd_cachier 0.3.8 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] crate crates.io crate cmd_cachier 0.3.8 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" "+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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42
[INFO] running `Command { std: "docker" "start" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42", 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" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42" "/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" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42", 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" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling tinyvec v1.6.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling redis v0.23.3
[INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.23.3/src/script.rs:150:37
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     self.load_cmd().query(con)?;
[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 41 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`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.23.3/src/cmd.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 320 | impl Cmd {
[INFO] [stdout] ...
[INFO] [stdout] 419 |     pub fn query<T: FromRedisValue>(&self, con: &mut dyn ConnectionLike) -> RedisResult<T> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ required by this bound in `Cmd::query`
[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` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42", kill_on_drop: false }`
[INFO] [stdout] 0572156f6bd9e328a2d070d75ce51f4195159728e14b4605dacbc744f73cfe42