[INFO] updating cached repository https://github.com/FuzzyLitchi/lua
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f98778d122dd540a55122e881b1a18a30cf453f
[INFO] checking FuzzyLitchi/lua against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Flua" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuzzyLitchi/lua on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FuzzyLitchi/lua
[INFO] finished tweaking git repo https://github.com/FuzzyLitchi/lua
[INFO] tweaked toml for git repo https://github.com/FuzzyLitchi/lua written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FuzzyLitchi/lua already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c55c3e7481ae5832d3e58ae17513a6c2358e466982541cd635febb67364e70f5
[INFO] running `"docker" "start" "-a" "c55c3e7481ae5832d3e58ae17513a6c2358e466982541cd635febb67364e70f5"`
[INFO] [stderr]     Checking lua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/tokenizer.rs:90:49
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stderr]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     matchers: Vec<Rc<Matcher>>,
[INFO] [stderr]    |                      ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:39
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |                                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:54:51
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn matchers_mut(&mut self) -> &mut Vec<Rc<Matcher>> {
[INFO] [stderr]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/tokenizer.rs:90:49
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stderr]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     matchers: Vec<Rc<Matcher>>,
[INFO] [stderr]    |                      ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:39
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |                                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:54:51
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn matchers_mut(&mut self) -> &mut Vec<Rc<Matcher>> {
[INFO] [stderr]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matchers`
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `matchers`
[INFO] [stderr]   --> src/lua/lexer/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "c55c3e7481ae5832d3e58ae17513a6c2358e466982541cd635febb67364e70f5"`
[INFO] running `"docker" "rm" "-f" "c55c3e7481ae5832d3e58ae17513a6c2358e466982541cd635febb67364e70f5"`
[INFO] [stdout] c55c3e7481ae5832d3e58ae17513a6c2358e466982541cd635febb67364e70f5