[INFO] cloning repository https://github.com/bgnerdclub/birb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bgnerdclub/birb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgnerdclub%2Fbirb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgnerdclub%2Fbirb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ccd499fb58fe78ede6a7b56823de666feb7bb0c
[INFO] checking bgnerdclub/birb against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgnerdclub%2Fbirb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bgnerdclub/birb
[INFO] finished tweaking git repo https://github.com/bgnerdclub/birb
[INFO] tweaked toml for git repo https://github.com/bgnerdclub/birb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bgnerdclub/birb 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 187 packages to latest compatible versions
[INFO] [stderr]       Adding winit v0.29.15 (available: v0.30.13)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded list-any v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e9441608dadddc2820918671e3991f2286329ef188b3745024bdba453b5300c6
[INFO] running `Command { std: "docker" "start" "-a" "e9441608dadddc2820918671e3991f2286329ef188b3745024bdba453b5300c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9441608dadddc2820918671e3991f2286329ef188b3745024bdba453b5300c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9441608dadddc2820918671e3991f2286329ef188b3745024bdba453b5300c6", kill_on_drop: false }`
[INFO] [stdout] e9441608dadddc2820918671e3991f2286329ef188b3745024bdba453b5300c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ef0f6363699bd92315184e6f0fa32e9187ed793e3f10c725dd2780286059ca37
[INFO] running `Command { std: "docker" "start" "-a" "ef0f6363699bd92315184e6f0fa32e9187ed793e3f10c725dd2780286059ca37", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking dlib v0.5.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]     Checking list-any v0.2.1
[INFO] [stderr]    Compiling quick-xml v0.39.4
[INFO] [stderr]    Compiling wayland-client v0.31.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]    Compiling winit v0.29.15
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking birb_maths v0.1.0 (/opt/rustwide/workdir/birb_maths)
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking xkbcommon-dl v0.4.2
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]    Compiling wayland-scanner v0.31.10
[INFO] [stderr]    Compiling wayland-backend v0.3.15
[INFO] [stderr]     Checking birb v0.1.0 (/opt/rustwide/workdir/birb)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> birb/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(downcast_unchecked)]
[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 `birb` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> birb/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(downcast_unchecked)]
[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 `birb` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ef0f6363699bd92315184e6f0fa32e9187ed793e3f10c725dd2780286059ca37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0f6363699bd92315184e6f0fa32e9187ed793e3f10c725dd2780286059ca37", kill_on_drop: false }`
[INFO] [stdout] ef0f6363699bd92315184e6f0fa32e9187ed793e3f10c725dd2780286059ca37
