[INFO] fetching crate redis-stream-reactor 0.0.1-beta.32...
[INFO] testing redis-stream-reactor-0.0.1-beta.32 against 1.75.0 for beta-1.76-1
[INFO] extracting crate redis-stream-reactor 0.0.1-beta.32 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate redis-stream-reactor 0.0.1-beta.32 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redis-stream-reactor 0.0.1-beta.32
[INFO] finished tweaking crates.io crate redis-stream-reactor 0.0.1-beta.32
[INFO] tweaked toml for crates.io crate redis-stream-reactor 0.0.1-beta.32 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-env-url v2.0.4
[INFO] [stderr]   Downloaded ord_subset v3.1.1
[INFO] [stderr]   Downloaded async_t v0.7.0
[INFO] [stderr]   Downloaded env-url v2.0.4
[INFO] [stderr]   Downloaded decimal v2.1.0
[INFO] [stderr]   Downloaded async_t_internal v0.7.0
[INFO] [stderr]   Downloaded stack-queue v0.6.1
[INFO] [stderr]   Downloaded derive-redis-swapplex v0.8.0
[INFO] [stderr]   Downloaded redis-swapplex v0.8.2
[INFO] [stderr]   Downloaded async-local v1.2.0
[INFO] [stderr]   Downloaded derive-async-local v1.2.0
[INFO] [stderr]   Downloaded derive-stack-queue v0.6.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 484e08e4b7714648282d8970b5a119f24dcf5c34d92000c09e283af532dd43dc
[INFO] running `Command { std: "docker" "start" "-a" "484e08e4b7714648282d8970b5a119f24dcf5c34d92000c09e283af532dd43dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "484e08e4b7714648282d8970b5a119f24dcf5c34d92000c09e283af532dd43dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484e08e4b7714648282d8970b5a119f24dcf5c34d92000c09e283af532dd43dc", kill_on_drop: false }`
[INFO] [stdout] 484e08e4b7714648282d8970b5a119f24dcf5c34d92000c09e283af532dd43dc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2862eec2cb6696eb8227595395c9deb2dd9e6b82c59ce0b94179907e1c394fd6
[INFO] running `Command { std: "docker" "start" "-a" "2862eec2cb6696eb8227595395c9deb2dd9e6b82c59ce0b94179907e1c394fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling derive-async-local v1.2.0
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling derive-redis-swapplex v0.8.0
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling derive-env-url v2.0.4
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling async-local v1.2.0
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling env-url v2.0.4
[INFO] [stderr]    Compiling async_t_internal v0.7.0
[INFO] [stderr]    Compiling combine v4.6.6
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling async_t v0.7.0
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive-stack-queue v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling redis v0.22.3
[INFO] [stderr]    Compiling stack-queue v0.6.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/stack-queue-0.6.1/src/lib.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(not(feature = "boxed"), feature(type_alias_impl_trait))]
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack-queue` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2862eec2cb6696eb8227595395c9deb2dd9e6b82c59ce0b94179907e1c394fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2862eec2cb6696eb8227595395c9deb2dd9e6b82c59ce0b94179907e1c394fd6", kill_on_drop: false }`
[INFO] [stdout] 2862eec2cb6696eb8227595395c9deb2dd9e6b82c59ce0b94179907e1c394fd6
