[INFO] fetching crate st7735-async-low 0.0.2...
[INFO] testing st7735-async-low-0.0.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate st7735-async-low 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate st7735-async-low 0.0.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate st7735-async-low 0.0.2
[INFO] finished tweaking crates.io crate st7735-async-low 0.0.2
[INFO] tweaked toml for crates.io crate st7735-async-low 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded fragile v1.2.2
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4527ed6a08d358c78c344a23da76bc94c9f9b41abb3afc954f968e8203f3047
[INFO] running `Command { std: "docker" "start" "-a" "f4527ed6a08d358c78c344a23da76bc94c9f9b41abb3afc954f968e8203f3047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4527ed6a08d358c78c344a23da76bc94c9f9b41abb3afc954f968e8203f3047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4527ed6a08d358c78c344a23da76bc94c9f9b41abb3afc954f968e8203f3047", kill_on_drop: false }`
[INFO] [stdout] f4527ed6a08d358c78c344a23da76bc94c9f9b41abb3afc954f968e8203f3047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbcc8ef26ecc5a2678295ff49cb6ef517e4f208a2b3bfb60ba090f1334f89dda
[INFO] running `Command { std: "docker" "start" "-a" "cbcc8ef26ecc5a2678295ff49cb6ef517e4f208a2b3bfb60ba090f1334f89dda", kill_on_drop: false }`
[INFO] [stderr]    Compiling st7735-async-low v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "cbcc8ef26ecc5a2678295ff49cb6ef517e4f208a2b3bfb60ba090f1334f89dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcc8ef26ecc5a2678295ff49cb6ef517e4f208a2b3bfb60ba090f1334f89dda", kill_on_drop: false }`
[INFO] [stdout] cbcc8ef26ecc5a2678295ff49cb6ef517e4f208a2b3bfb60ba090f1334f89dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a23f4d4ebd80e7cb4ac6e31c79e6a0576c10c07111a27902c118a54f95b5f5
[INFO] running `Command { std: "docker" "start" "-a" "65a23f4d4ebd80e7cb4ac6e31c79e6a0576c10c07111a27902c118a54f95b5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[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/downcast-0.10.0/src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(core_intrinsics, try_from))]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/downcast-0.10.0/src/lib.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(core_intrinsics, try_from))]
[INFO] [stdout]   |                                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65a23f4d4ebd80e7cb4ac6e31c79e6a0576c10c07111a27902c118a54f95b5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a23f4d4ebd80e7cb4ac6e31c79e6a0576c10c07111a27902c118a54f95b5f5", kill_on_drop: false }`
[INFO] [stdout] 65a23f4d4ebd80e7cb4ac6e31c79e6a0576c10c07111a27902c118a54f95b5f5
