[INFO] fetching crate wasefire-board-api 0.10.0...
[INFO] checking wasefire-board-api-0.10.0 against 1.95.0 for pr-155915
[INFO] extracting crate wasefire-board-api 0.10.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wasefire-board-api 0.10.0
[INFO] finished tweaking crates.io crate wasefire-board-api 0.10.0
[INFO] tweaked toml for crates.io crate wasefire-board-api 0.10.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasefire-board-api 0.10.0 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 wasefire-board-api 0.10.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasefire-common v0.1.1
[INFO] [stderr]   Downloaded wasefire-error v0.1.4
[INFO] [stderr]   Downloaded wasefire-protocol v0.4.0
[INFO] [stderr]   Downloaded usbd-serial v0.2.2
[INFO] [stderr]   Downloaded wasefire-logger v0.2.1
[INFO] [stderr]   Downloaded wasefire-sync v0.1.3
[INFO] [stderr]   Downloaded wasefire-wire-derive v0.1.3
[INFO] [stderr]   Downloaded wasefire-wire v0.1.3
[INFO] [stderr]   Downloaded usbd-hid-descriptors v0.9.0
[INFO] [stderr]   Downloaded usbd-hid-macros v0.9.0
[INFO] [stderr]   Downloaded usbd-hid v0.9.0
[INFO] [stderr]   Downloaded wasefire-store v0.3.2
[INFO] [stderr]   Downloaded ccm v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4f9d7b9da7975ed6bdb02b4073fd913640ea99f8841c8013a31e5f621ce288e2
[INFO] running `Command { std: "docker" "start" "-a" "4f9d7b9da7975ed6bdb02b4073fd913640ea99f8841c8013a31e5f621ce288e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9d7b9da7975ed6bdb02b4073fd913640ea99f8841c8013a31e5f621ce288e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9d7b9da7975ed6bdb02b4073fd913640ea99f8841c8013a31e5f621ce288e2", kill_on_drop: false }`
[INFO] [stdout] 4f9d7b9da7975ed6bdb02b4073fd913640ea99f8841c8013a31e5f621ce288e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2efa2741fc7beeee803ab3baff4bae6af08a626d3b898061c729a9c390a6c164
[INFO] running `Command { std: "docker" "start" "-a" "2efa2741fc7beeee803ab3baff4bae6af08a626d3b898061c729a9c390a6c164", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking wasefire-logger v0.2.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking wasefire-sync v0.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling wasefire-wire-derive v0.1.3
[INFO] [stderr]    Compiling derive-where v1.6.0
[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/derive-where-1.6.0/src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     feature(allow_internal_unstable),
[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 `derive-where` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2efa2741fc7beeee803ab3baff4bae6af08a626d3b898061c729a9c390a6c164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efa2741fc7beeee803ab3baff4bae6af08a626d3b898061c729a9c390a6c164", kill_on_drop: false }`
[INFO] [stdout] 2efa2741fc7beeee803ab3baff4bae6af08a626d3b898061c729a9c390a6c164