[INFO] fetching crate ringboard-x11 0.16.0...
[INFO] checking ringboard-x11-0.16.0 against 1.95.0 for pr-155915
[INFO] extracting crate ringboard-x11 0.16.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ringboard-x11 0.16.0
[INFO] finished tweaking crates.io crate ringboard-x11 0.16.0
[INFO] tweaked toml for crates.io crate ringboard-x11 0.16.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringboard-x11 0.16.0 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 ringboard-x11 0.16.0 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 stable-type v0.1.1
[INFO] [stderr]   Downloaded clipboard-history-core v0.16.0
[INFO] [stderr]   Downloaded clipboard-history-client-sdk v0.16.0
[INFO] [stderr]   Downloaded error-stack v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bbc6b273a9adcbcb63003fc4d2108ab9b958a085d7fa9d7456030a8953a43821
[INFO] running `Command { std: "docker" "start" "-a" "bbc6b273a9adcbcb63003fc4d2108ab9b958a085d7fa9d7456030a8953a43821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbc6b273a9adcbcb63003fc4d2108ab9b958a085d7fa9d7456030a8953a43821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc6b273a9adcbcb63003fc4d2108ab9b958a085d7fa9d7456030a8953a43821", kill_on_drop: false }`
[INFO] [stdout] bbc6b273a9adcbcb63003fc4d2108ab9b958a085d7fa9d7456030a8953a43821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a69a00223d68665a4546d37ffbae5f110e4328d15703d9e231951b0da769eb95
[INFO] running `Command { std: "docker" "start" "-a" "a69a00223d68665a4546d37ffbae5f110e4328d15703d9e231951b0da769eb95", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking winnow v1.0.1
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling error-stack v0.7.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking env_logger v0.11.10
[INFO] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking stable-type v0.1.1
[INFO] [stderr]     Checking clipboard-history-core v0.16.0
[INFO] [stderr]     Checking gethostname v1.1.0
[INFO] [stderr]     Checking x11rb v0.13.2
[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/clipboard-history-core-0.16.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_io_borrowed_buf)]
[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 `clipboard-history-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a69a00223d68665a4546d37ffbae5f110e4328d15703d9e231951b0da769eb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69a00223d68665a4546d37ffbae5f110e4328d15703d9e231951b0da769eb95", kill_on_drop: false }`
[INFO] [stdout] a69a00223d68665a4546d37ffbae5f110e4328d15703d9e231951b0da769eb95
