[INFO] cloning repository https://github.com/FuzzyLitchi/lua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuzzyLitchi/lua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Flua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Flua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f98778d122dd540a55122e881b1a18a30cf453f
[INFO] checking FuzzyLitchi/lua against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Flua" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuzzyLitchi/lua on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/FuzzyLitchi/lua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3336da48c7b37072f640877c03eea19facf8cd742ddd86fa13c447b7d7728b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a3336da48c7b37072f640877c03eea19facf8cd742ddd86fa13c447b7d7728b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3336da48c7b37072f640877c03eea19facf8cd742ddd86fa13c447b7d7728b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3336da48c7b37072f640877c03eea19facf8cd742ddd86fa13c447b7d7728b", kill_on_drop: false }`
[INFO] [stdout] 2a3336da48c7b37072f640877c03eea19facf8cd742ddd86fa13c447b7d7728b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3858be1376ba014993d8c2f66a34f9d9ef151a6978c9618a8b90f97120faea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce3858be1376ba014993d8c2f66a34f9d9ef151a6978c9618a8b90f97120faea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/tokenizer.rs:90:49
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stdout]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     matchers: Vec<Rc<Matcher>>,
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stdout]    |                                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:54:51
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn matchers_mut(&mut self) -> &mut Vec<Rc<Matcher>> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `matchers`
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/tokenizer.rs:90:49
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stdout]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     matchers: Vec<Rc<Matcher>>,
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:50:39
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stdout]    |                                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:54:51
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn matchers_mut(&mut self) -> &mut Vec<Rc<Matcher>> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `matchers`
[INFO] [stdout]   --> src/lua/lexer/lexer.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn matchers(&self) -> &Vec<Rc<Matcher>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "ce3858be1376ba014993d8c2f66a34f9d9ef151a6978c9618a8b90f97120faea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3858be1376ba014993d8c2f66a34f9d9ef151a6978c9618a8b90f97120faea", kill_on_drop: false }`
[INFO] [stdout] ce3858be1376ba014993d8c2f66a34f9d9ef151a6978c9618a8b90f97120faea