[INFO] cloning repository https://github.com/kirisaki/jit-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirisaki/jit-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Fjit-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Fjit-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ceb89cb2a39b0f5cfe69ae1cb7944580f41eb89 [INFO] testing kirisaki/jit-compiler against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Fjit-compiler" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirisaki/jit-compiler on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-13/source/rust-toolchain [INFO] started tweaking git repo https://github.com/kirisaki/jit-compiler [INFO] finished tweaking git repo https://github.com/kirisaki/jit-compiler [INFO] tweaked toml for git repo https://github.com/kirisaki/jit-compiler written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/kirisaki/jit-compiler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c836b574f88daca14520ba84751def90e3a8fb76d5e28b651540818b0dc904a0 [INFO] running `Command { std: "docker" "start" "-a" "c836b574f88daca14520ba84751def90e3a8fb76d5e28b651540818b0dc904a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c836b574f88daca14520ba84751def90e3a8fb76d5e28b651540818b0dc904a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c836b574f88daca14520ba84751def90e3a8fb76d5e28b651540818b0dc904a0", kill_on_drop: false }` [INFO] [stdout] c836b574f88daca14520ba84751def90e3a8fb76d5e28b651540818b0dc904a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c8da901e9eaa293041183a5bdff852a02031e558e04d9780193fe1cb91be3f1 [INFO] running `Command { std: "docker" "start" "-a" "4c8da901e9eaa293041183a5bdff852a02031e558e04d9780193fe1cb91be3f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling jit-compiler 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(asm)] [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 `jit-compiler` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4c8da901e9eaa293041183a5bdff852a02031e558e04d9780193fe1cb91be3f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c8da901e9eaa293041183a5bdff852a02031e558e04d9780193fe1cb91be3f1", kill_on_drop: false }` [INFO] [stdout] 4c8da901e9eaa293041183a5bdff852a02031e558e04d9780193fe1cb91be3f1