[INFO] cloning repository https://github.com/fsanti68/rust-ite-keyboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fsanti68/rust-ite-keyboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsanti68%2Frust-ite-keyboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsanti68%2Frust-ite-keyboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15b175ec938d26c0c520bc33e520c13a91cca808
[INFO] testing fsanti68/rust-ite-keyboard against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsanti68%2Frust-ite-keyboard" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fsanti68/rust-ite-keyboard on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fsanti68/rust-ite-keyboard
[INFO] finished tweaking git repo https://github.com/fsanti68/rust-ite-keyboard
[INFO] tweaked toml for git repo https://github.com/fsanti68/rust-ite-keyboard written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/fsanti68/rust-ite-keyboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libusb-sys v0.2.3
[INFO] [stderr]   Downloaded libusb v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c93c4aba4b25f2c3f12da90feed57519d7ace2f20ee05b7541773f8d19601bae
[INFO] running `Command { std: "docker" "start" "-a" "c93c4aba4b25f2c3f12da90feed57519d7ace2f20ee05b7541773f8d19601bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93c4aba4b25f2c3f12da90feed57519d7ace2f20ee05b7541773f8d19601bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93c4aba4b25f2c3f12da90feed57519d7ace2f20ee05b7541773f8d19601bae", kill_on_drop: false }`
[INFO] [stdout] c93c4aba4b25f2c3f12da90feed57519d7ace2f20ee05b7541773f8d19601bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af600e7dea0b7bfc0412ebb60dbbef2b98399c25f77db8893f9ad0b051441cc2
[INFO] running `Command { std: "docker" "start" "-a" "af600e7dea0b7bfc0412ebb60dbbef2b98399c25f77db8893f9ad0b051441cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling libusb v0.3.0
[INFO] [stderr]    Compiling ite-keyboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustc_private)]
[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 `ite-keyboard` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "af600e7dea0b7bfc0412ebb60dbbef2b98399c25f77db8893f9ad0b051441cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af600e7dea0b7bfc0412ebb60dbbef2b98399c25f77db8893f9ad0b051441cc2", kill_on_drop: false }`
[INFO] [stdout] af600e7dea0b7bfc0412ebb60dbbef2b98399c25f77db8893f9ad0b051441cc2