[INFO] crate spaceslugs 0.1.0 is already in cache
[INFO] testing spaceslugs-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate spaceslugs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spaceslugs 0.1.0 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 crates.io crate spaceslugs 0.1.0
[INFO] finished tweaking crates.io crate spaceslugs 0.1.0
[INFO] tweaked toml for crates.io crate spaceslugs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 012772bed6a76877789e3333cde467576b13c79f0363a6e192afd32d93bb2239
[INFO] running `"docker" "start" "-a" "012772bed6a76877789e3333cde467576b13c79f0363a6e192afd32d93bb2239"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling spaceslugs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         result = re_replace_non_ascii.replace_all(&result[..], "");
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  expected struct `std::string::String`, found enum `std::borrow::Cow`
[INFO] [stderr]    |                  help: try using a conversion method: `re_replace_non_ascii.replace_all(&result[..], "").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::string::String`
[INFO] [stderr]                 found enum `std::borrow::Cow<'_, str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |         result = re_replace_single_quotes.replace_all(&result[..], "");
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  expected struct `std::string::String`, found enum `std::borrow::Cow`
[INFO] [stderr]    |                  help: try using a conversion method: `re_replace_single_quotes.replace_all(&result[..], "").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::string::String`
[INFO] [stderr]                 found enum `std::borrow::Cow<'_, str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |         result = re_replace_non_char.replace_all(&result[..], " ");
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  expected struct `std::string::String`, found enum `std::borrow::Cow`
[INFO] [stderr]    |                  help: try using a conversion method: `re_replace_non_char.replace_all(&result[..], " ").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::string::String`
[INFO] [stderr]                 found enum `std::borrow::Cow<'_, str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |         result = re_replace_spaces.replace_all(&result[..], "-");
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  expected struct `std::string::String`, found enum `std::borrow::Cow`
[INFO] [stderr]    |                  help: try using a conversion method: `re_replace_spaces.replace_all(&result[..], "-").to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::string::String`
[INFO] [stderr]                 found enum `std::borrow::Cow<'_, str>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `spaceslugs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "012772bed6a76877789e3333cde467576b13c79f0363a6e192afd32d93bb2239"`
[INFO] running `"docker" "rm" "-f" "012772bed6a76877789e3333cde467576b13c79f0363a6e192afd32d93bb2239"`
[INFO] [stdout] 012772bed6a76877789e3333cde467576b13c79f0363a6e192afd32d93bb2239