[INFO] fetching crate mma7660fc 0.1.2...
[INFO] testing mma7660fc-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mma7660fc 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate mma7660fc 0.1.2
[INFO] finished tweaking crates.io crate mma7660fc 0.1.2
[INFO] tweaked toml for crates.io crate mma7660fc 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mma7660fc 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to highest compatible versions
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding embedded-hal v0.1.3 (available: v1.0.0)
[INFO] [stderr]       Adding linux-embedded-hal v0.1.1 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `mma7660fc` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-embedded-hal v0.1.1
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded embedded-hal v0.1.3
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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] 802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0
[INFO] running `Command { std: "docker" "start" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0", 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" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0", 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" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `mma7660fc` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-0.1.3/src/lib.rs:681:1
[INFO] [stdout]     |
[INFO] [stdout] 681 | #![feature(never_type)]
[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 `embedded-hal` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0", kill_on_drop: false }`
[INFO] [stdout] 802b071255f858b62c6c9f29a58ae5d5bddcce4ea6186d9f3773fe31c42244a0
