[INFO] cloning repository https://github.com/ericrobolson/LpR
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericrobolson/LpR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adec60bc43485d8e28994dd3ec6a6026047794b4
[INFO] testing ericrobolson/LpR against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLpR" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericrobolson/LpR 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/ericrobolson/LpR
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ericrobolson/LpR
[INFO] tweaked toml for git repo https://github.com/ericrobolson/LpR written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ericrobolson/LpR 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] running `"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" "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] [stdout] fd17daf2760622a3788b04691d1746c192ccbfa49c6ad0ae2efa797139b23438
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fd17daf2760622a3788b04691d1746c192ccbfa49c6ad0ae2efa797139b23438"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "fd17daf2760622a3788b04691d1746c192ccbfa49c6ad0ae2efa797139b23438"`
[INFO] running `"docker" "rm" "-f" "fd17daf2760622a3788b04691d1746c192ccbfa49c6ad0ae2efa797139b23438"`
[INFO] [stdout] fd17daf2760622a3788b04691d1746c192ccbfa49c6ad0ae2efa797139b23438
[INFO] running `"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" "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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a075701e755fc19c27e49cbcb08b7455337402d788dc63cd0efbe7cbcdc1f376
[INFO] running `"docker" "start" "-a" "a075701e755fc19c27e49cbcb08b7455337402d788dc63cd0efbe7cbcdc1f376"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lpr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `!` or `::`, found `is`
[INFO] [stderr]  --> examples/hello_world.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     This is a first level header
[INFO] [stderr]   |          ^^ expected one of `!` or `::`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/hello_world.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `hello_world`
[INFO] [stderr]   --> examples/hello_world.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / #[macro_use]
[INFO] [stderr] 2  | | extern crate lpr;
[INFO] [stderr] 3  | | use lpr::*;
[INFO] [stderr] 4  | |
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |     }
[INFO] [stderr] 36 | | );
[INFO] [stderr]    | |__^ consider adding a `main` function to `examples/hello_world.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `lpr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a075701e755fc19c27e49cbcb08b7455337402d788dc63cd0efbe7cbcdc1f376"`
[INFO] running `"docker" "rm" "-f" "a075701e755fc19c27e49cbcb08b7455337402d788dc63cd0efbe7cbcdc1f376"`
[INFO] [stdout] a075701e755fc19c27e49cbcb08b7455337402d788dc63cd0efbe7cbcdc1f376