[INFO] cloning repository https://github.com/vendethiel/smallstack
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vendethiel/smallstack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvendethiel%2Fsmallstack"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvendethiel%2Fsmallstack'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 053b8d48c8de87e036a17ee7283676eeba67ba66
[INFO] testing vendethiel/smallstack against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvendethiel%2Fsmallstack" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vendethiel/smallstack on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vendethiel/smallstack
[INFO] finished tweaking git repo https://github.com/vendethiel/smallstack
[INFO] tweaked toml for git repo https://github.com/vendethiel/smallstack written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vendethiel/smallstack already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: path `/workspace/builds/worker-6/source/src/smallstack.rs` was erroneously implicitly accepted for binary `smallstack`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fdc154fd6bfa02308b156ff3335b8debd369ae764085aebcf5bc5add29b27e7
[INFO] running `"docker" "start" "-a" "7fdc154fd6bfa02308b156ff3335b8debd369ae764085aebcf5bc5add29b27e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/smallstack.rs` was erroneously implicitly accepted for binary `smallstack`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling smallstack v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stderr]   --> src/smallstack.rs:63:31
[INFO] [stderr]    |
[INFO] [stderr] 63 |         &["push", "str", ref n..] => stack.push(Expr::Str(String::from(n.join(" ")))),
[INFO] [stderr]    |                               ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to bind the contents of the rest of the array pattern into `n`, use `@`
[INFO] [stderr]    |
[INFO] [stderr] 63 |         &["push", "str", ref n @ ..] => stack.push(Expr::Str(String::from(n.join(" ")))),
[INFO] [stderr]    |                                ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `smallstack`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7fdc154fd6bfa02308b156ff3335b8debd369ae764085aebcf5bc5add29b27e7"`
[INFO] running `"docker" "rm" "-f" "7fdc154fd6bfa02308b156ff3335b8debd369ae764085aebcf5bc5add29b27e7"`
[INFO] [stdout] 7fdc154fd6bfa02308b156ff3335b8debd369ae764085aebcf5bc5add29b27e7