[INFO] cloning repository https://github.com/tw666/riscv-simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tw666/riscv-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftw666%2Friscv-simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftw666%2Friscv-simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff8656d70c6fa27065803f32295e0d9d431004c3
[INFO] testing tw666/riscv-simulator against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftw666%2Friscv-simulator" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tw666/riscv-simulator on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tw666/riscv-simulator
[INFO] finished tweaking git repo https://github.com/tw666/riscv-simulator
[INFO] tweaked toml for git repo https://github.com/tw666/riscv-simulator written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/tw666/riscv-simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 bit_field v0.10.1
[INFO] [stderr]   Downloaded linkme-impl v0.2.5
[INFO] [stderr]   Downloaded linkme v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffa039e5ada3dd5f442d1ed57a5399426065e17d3f99aa13eeb186647df902cd
[INFO] running `Command { std: "docker" "start" "-a" "ffa039e5ada3dd5f442d1ed57a5399426065e17d3f99aa13eeb186647df902cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffa039e5ada3dd5f442d1ed57a5399426065e17d3f99aa13eeb186647df902cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa039e5ada3dd5f442d1ed57a5399426065e17d3f99aa13eeb186647df902cd", kill_on_drop: false }`
[INFO] [stdout] ffa039e5ada3dd5f442d1ed57a5399426065e17d3f99aa13eeb186647df902cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e627020bcb6b14c5198ec853f5f3f40df20eb882c212a71467a848299b03ae
[INFO] running `Command { std: "docker" "start" "-a" "24e627020bcb6b14c5198ec853f5f3f40df20eb882c212a71467a848299b03ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lru v0.6.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling linkme-impl v0.2.5
[INFO] [stderr]    Compiling linkme v0.2.5
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling proc_macros v0.1.0 (/opt/rustwide/workdir/proc_macros)
[INFO] [stderr]    Compiling riscv-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics, const_evaluatable_checked)]
[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 `riscv-emulator` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "24e627020bcb6b14c5198ec853f5f3f40df20eb882c212a71467a848299b03ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e627020bcb6b14c5198ec853f5f3f40df20eb882c212a71467a848299b03ae", kill_on_drop: false }`
[INFO] [stdout] 24e627020bcb6b14c5198ec853f5f3f40df20eb882c212a71467a848299b03ae
