[INFO] cloning repository https://github.com/milyin/sexpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milyin/sexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9768367f60c3b3803dd1a6df31649a5e6992a111
[INFO] testing milyin/sexpr against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilyin%2Fsexpr" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milyin/sexpr on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milyin/sexpr
[INFO] finished tweaking git repo https://github.com/milyin/sexpr
[INFO] tweaked toml for git repo https://github.com/milyin/sexpr written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/milyin/sexpr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 libc v0.2.32
[INFO] [stderr]   Downloaded nom v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617c06775dc0cddc3a1b4afa026d303701c46a120891a78b16ece2f525dccbdb
[INFO] running `Command { std: "docker" "start" "-a" "617c06775dc0cddc3a1b4afa026d303701c46a120891a78b16ece2f525dccbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617c06775dc0cddc3a1b4afa026d303701c46a120891a78b16ece2f525dccbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617c06775dc0cddc3a1b4afa026d303701c46a120891a78b16ece2f525dccbdb", kill_on_drop: false }`
[INFO] [stdout] 617c06775dc0cddc3a1b4afa026d303701c46a120891a78b16ece2f525dccbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e511b8c61f5635fd7788ebde9d28a8549d48ee0bf987423756d05ddf73b6f43
[INFO] running `Command { std: "docker" "start" "-a" "1e511b8c61f5635fd7788ebde9d28a8549d48ee0bf987423756d05ddf73b6f43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.0
[INFO] [stderr]    Compiling sexpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/main.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                      ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `rest`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 &[ref sexpr, ref rest @ ..] => rest.iter().fold(sexpr.interpret(), |acc, sexpr| acc - sexpr.interpret())
[INFO] [stdout]    |                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sexpr` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1e511b8c61f5635fd7788ebde9d28a8549d48ee0bf987423756d05ddf73b6f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e511b8c61f5635fd7788ebde9d28a8549d48ee0bf987423756d05ddf73b6f43", kill_on_drop: false }`
[INFO] [stdout] 1e511b8c61f5635fd7788ebde9d28a8549d48ee0bf987423756d05ddf73b6f43