[INFO] cloning repository https://github.com/Fibration/Scheme-Interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fibration/Scheme-Interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFibration%2FScheme-Interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFibration%2FScheme-Interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec16bc78e87514b675c50c4685fd7411d85e3e65
[INFO] testing Fibration/Scheme-Interpreter against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFibration%2FScheme-Interpreter" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fibration/Scheme-Interpreter 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/Fibration/Scheme-Interpreter
[INFO] finished tweaking git repo https://github.com/Fibration/Scheme-Interpreter
[INFO] tweaked toml for git repo https://github.com/Fibration/Scheme-Interpreter written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/Fibration/Scheme-Interpreter 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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 6ee029586e2a128e4c3b1a75006d822cbe761f455eb620d75765f5d4885bf7ec
[INFO] running `Command { std: "docker" "start" "-a" "6ee029586e2a128e4c3b1a75006d822cbe761f455eb620d75765f5d4885bf7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee029586e2a128e4c3b1a75006d822cbe761f455eb620d75765f5d4885bf7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee029586e2a128e4c3b1a75006d822cbe761f455eb620d75765f5d4885bf7ec", kill_on_drop: false }`
[INFO] [stdout] 6ee029586e2a128e4c3b1a75006d822cbe761f455eb620d75765f5d4885bf7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 7f1747168d192ae1dd2489d10d03733abbf6b3e9bbbea718eadf225acc22fed1
[INFO] running `Command { std: "docker" "start" "-a" "7f1747168d192ae1dd2489d10d03733abbf6b3e9bbbea718eadf225acc22fed1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustyScheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:96:53
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn lisp_eval(x: Exp, env: HashMap<String, Atom>) -> Exp {}
[INFO] [stdout]    |    ---------                                        ^^^ expected enum `Exp`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyScheme`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f1747168d192ae1dd2489d10d03733abbf6b3e9bbbea718eadf225acc22fed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1747168d192ae1dd2489d10d03733abbf6b3e9bbbea718eadf225acc22fed1", kill_on_drop: false }`
[INFO] [stdout] 7f1747168d192ae1dd2489d10d03733abbf6b3e9bbbea718eadf225acc22fed1
