[INFO] fetching crate playout 0.1.0...
[INFO] testing playout-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate playout 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate playout 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate playout 0.1.0
[INFO] tweaked toml for crates.io crate playout 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate playout 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate playout 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glsl v7.0.0
[INFO] [stderr]   Downloaded ash v0.38.0+1.3.281
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08eb16078d502f19241705045eb8e5799c77f6ffe298f999bd868a7e2e893a6d
[INFO] running `Command { std: "docker" "start" "-a" "08eb16078d502f19241705045eb8e5799c77f6ffe298f999bd868a7e2e893a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08eb16078d502f19241705045eb8e5799c77f6ffe298f999bd868a7e2e893a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eb16078d502f19241705045eb8e5799c77f6ffe298f999bd868a7e2e893a6d", kill_on_drop: false }`
[INFO] [stdout] 08eb16078d502f19241705045eb8e5799c77f6ffe298f999bd868a7e2e893a6d
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7797602280e16b5f4c1727da9f29261dbfd749bbd6c95209995bac9756b95a9
[INFO] running `Command { std: "docker" "start" "-a" "a7797602280e16b5f4c1727da9f29261dbfd749bbd6c95209995bac9756b95a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling glsl v7.0.0
[INFO] [stderr]    Compiling playout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc_layout_extra)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playout` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7797602280e16b5f4c1727da9f29261dbfd749bbd6c95209995bac9756b95a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7797602280e16b5f4c1727da9f29261dbfd749bbd6c95209995bac9756b95a9", kill_on_drop: false }`
[INFO] [stdout] a7797602280e16b5f4c1727da9f29261dbfd749bbd6c95209995bac9756b95a9
