[INFO] cloning repository https://github.com/busyluo/roc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busyluo/roc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d582ca067dc97572aa6a5f09624f52f368d40e93
[INFO] testing busyluo/roc against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/busyluo/roc 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 git repo https://github.com/busyluo/roc
[INFO] finished tweaking git repo https://github.com/busyluo/roc
[INFO] tweaked toml for git repo https://github.com/busyluo/roc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/busyluo/roc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4e606374648c91d8b9ef2f126183a5ff8f6908770b01af2121a1cdf3133a95d7
[INFO] running `Command { std: "docker" "start" "-a" "4e606374648c91d8b9ef2f126183a5ff8f6908770b01af2121a1cdf3133a95d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e606374648c91d8b9ef2f126183a5ff8f6908770b01af2121a1cdf3133a95d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e606374648c91d8b9ef2f126183a5ff8f6908770b01af2121a1cdf3133a95d7", kill_on_drop: false }`
[INFO] [stdout] 4e606374648c91d8b9ef2f126183a5ff8f6908770b01af2121a1cdf3133a95d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 105b25ff06e56814240e239d577fcd5fb4893f8a1e9fa232a172aea4893fb94f
[INFO] running `Command { std: "docker" "start" "-a" "105b25ff06e56814240e239d577fcd5fb4893f8a1e9fa232a172aea4893fb94f", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v0.1.0
[INFO] [stderr]    Compiling roc 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exclusive_range_pattern)]
[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 `roc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "105b25ff06e56814240e239d577fcd5fb4893f8a1e9fa232a172aea4893fb94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105b25ff06e56814240e239d577fcd5fb4893f8a1e9fa232a172aea4893fb94f", kill_on_drop: false }`
[INFO] [stdout] 105b25ff06e56814240e239d577fcd5fb4893f8a1e9fa232a172aea4893fb94f
