[INFO] fetching crate rust-gl 0.1.7...
[INFO] testing rust-gl-0.1.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rust-gl 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust-gl 0.1.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-gl 0.1.7
[INFO] finished tweaking crates.io crate rust-gl 0.1.7
[INFO] tweaked toml for crates.io crate rust-gl 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-gl-proc v0.1.6
[INFO] [stderr]   Downloaded obj-rs v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e755cfe5e7c35cad894d9f68f0370a5bb338a86cc8146c5065268082432e2c
[INFO] running `Command { std: "docker" "start" "-a" "e7e755cfe5e7c35cad894d9f68f0370a5bb338a86cc8146c5065268082432e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e755cfe5e7c35cad894d9f68f0370a5bb338a86cc8146c5065268082432e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e755cfe5e7c35cad894d9f68f0370a5bb338a86cc8146c5065268082432e2c", kill_on_drop: false }`
[INFO] [stdout] e7e755cfe5e7c35cad894d9f68f0370a5bb338a86cc8146c5065268082432e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 828191465ee1c88884c0f860166ce2b36c4e0e72dacb65af14a501897437f145
[INFO] running `Command { std: "docker" "start" "-a" "828191465ee1c88884c0f860166ce2b36c4e0e72dacb65af14a501897437f145", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling rust-gl-proc v0.1.6
[INFO] [stderr]    Compiling obj-rs v0.6.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]    Compiling js-sys v0.3.52
[INFO] [stderr]    Compiling web-sys v0.3.52
[INFO] [stderr]    Compiling rust-gl v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / #![feature(
[INFO] [stdout] 4 | |     array_map,
[INFO] [stdout] 5 | |     const_generics,
[INFO] [stdout] 6 | |     vec_spare_capacity,
[INFO] [stdout] 7 | |     maybe_uninit_uninit_array,
[INFO] [stdout] 8 | |     maybe_uninit_array_assume_init
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-gl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "828191465ee1c88884c0f860166ce2b36c4e0e72dacb65af14a501897437f145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828191465ee1c88884c0f860166ce2b36c4e0e72dacb65af14a501897437f145", kill_on_drop: false }`
[INFO] [stdout] 828191465ee1c88884c0f860166ce2b36c4e0e72dacb65af14a501897437f145
