[INFO] fetching crate ozton-drivetrain 0.3.0...
[INFO] checking ozton-drivetrain-0.3.0 against 1.95.0 for pr-155915
[INFO] extracting crate ozton-drivetrain 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ozton-drivetrain 0.3.0
[INFO] finished tweaking crates.io crate ozton-drivetrain 0.3.0
[INFO] tweaked toml for crates.io crate ozton-drivetrain 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ozton-drivetrain 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ozton-drivetrain 0.3.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vexide v0.8.0
[INFO] [stderr]   Downloaded ozton-math v0.3.0
[INFO] [stderr]   Downloaded mint v0.5.9
[INFO] [stderr]   Downloaded smart-leds-trait v0.3.2
[INFO] [stderr]   Downloaded vex-sdk v0.28.0
[INFO] [stderr]   Downloaded vexide-core v0.8.0
[INFO] [stderr]   Downloaded ozton-tracking v0.3.0
[INFO] [stderr]   Downloaded vexide-async v0.2.0
[INFO] [stderr]   Downloaded vexide-devices v0.8.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94a776ffcca415e078b72bfa1f5d147a0be88823b9808662e7fa1cdcb6b74a7
[INFO] running `Command { std: "docker" "start" "-a" "a94a776ffcca415e078b72bfa1f5d147a0be88823b9808662e7fa1cdcb6b74a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94a776ffcca415e078b72bfa1f5d147a0be88823b9808662e7fa1cdcb6b74a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94a776ffcca415e078b72bfa1f5d147a0be88823b9808662e7fa1cdcb6b74a7", kill_on_drop: false }`
[INFO] [stdout] a94a776ffcca415e078b72bfa1f5d147a0be88823b9808662e7fa1cdcb6b74a7
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77ada2c0e43f470535720b1cd98d38f9e11317c8da03ab44dbf87b1ee064e185
[INFO] running `Command { std: "docker" "start" "-a" "77ada2c0e43f470535720b1cd98d38f9e11317c8da03ab44dbf87b1ee064e185", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking vex-sdk v0.28.0
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking mint v0.5.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking glam v0.29.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking vexide-async v0.2.0
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]     Checking rgb v0.8.53
[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-1949cf8c6b5b557f/snafu-0.8.9/src/lib.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "unstable-core-error", feature(error_in_core))]
[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 `snafu` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "77ada2c0e43f470535720b1cd98d38f9e11317c8da03ab44dbf87b1ee064e185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ada2c0e43f470535720b1cd98d38f9e11317c8da03ab44dbf87b1ee064e185", kill_on_drop: false }`
[INFO] [stdout] 77ada2c0e43f470535720b1cd98d38f9e11317c8da03ab44dbf87b1ee064e185