[INFO] updating cached repository https://github.com/alexander-koch/loopc
[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] 4cb724edce1e0f4798421803361a6ce35db94617
[INFO] testing alexander-koch/loopc against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-koch%2Floopc" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexander-koch/loopc 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/alexander-koch/loopc
[INFO] finished tweaking git repo https://github.com/alexander-koch/loopc
[INFO] tweaked toml for git repo https://github.com/alexander-koch/loopc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-koch/loopc 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b3435f1cad4e78e864a8e6c00d3dca4290dfb11a1b55f4dc8bb97c359fc0ff64
[INFO] running `"docker" "start" "-a" "b3435f1cad4e78e864a8e6c00d3dca4290dfb11a1b55f4dc8bb97c359fc0ff64"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling env_logger v0.5.3
[INFO] [stderr]    Compiling llvm-sys v50.0.3
[INFO] [stderr]    Compiling loopc v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer/mod.rs:346:25
[INFO] [stderr]     |
[INFO] [stderr] 346 |             let token = try!(self.next_token());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.expect_type(TokenType::Keyword(Keyword::Loop)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.expect_type(TokenType::Keyword(Keyword::Do)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(self.expect_type(TokenType::Keyword(Keyword::End)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(self.expect_type(TokenType::Assignment));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             try!(self.expect_type(TokenType::Constant));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:205:26
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 let p1 = try!(program);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:206:26
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let p2 = try!(self.parse_program());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:218:23
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(self.expect_type(TokenType::Eof));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(self.codegen_program(&mut module, &p));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 try!(self.codegen_program(module, &p1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:187:23
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let val = try!(self.get_variable_ref(position, value));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:201:20
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let addr = try!(self.get_variable_ref(position, assignee));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let lhs = try!(self.codegen_value(position, lhs));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:232:27
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:249:20
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let cond = try!(self.codegen_value(position, condition));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |         try!(self.codegen_program(module, program));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let tokens = try!(lexer.run());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(file.read_to_string(&mut content));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(module.verify());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     try!(engine.remove_module(&mut module));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:404:42
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut func: LLVMValueRef = mem::uninitialized();
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:415:29
[INFO] [stderr]     |
[INFO] [stderr] 415 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:430:28
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let args = mem::uninitialized();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:496:54
[INFO] [stderr]     |
[INFO] [stderr] 496 |             let mut engine: LLVMExecutionEngineRef = mem::uninitialized();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:497:29
[INFO] [stderr]     |
[INFO] [stderr] 497 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:513:29
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:557:30
[INFO] [stderr]     |
[INFO] [stderr] 557 |             let mut target = mem::uninitialized();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:558:29
[INFO] [stderr]     |
[INFO] [stderr] 558 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => e.description().into(),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.66s
[INFO] running `"docker" "inspect" "b3435f1cad4e78e864a8e6c00d3dca4290dfb11a1b55f4dc8bb97c359fc0ff64"`
[INFO] running `"docker" "rm" "-f" "b3435f1cad4e78e864a8e6c00d3dca4290dfb11a1b55f4dc8bb97c359fc0ff64"`
[INFO] [stdout] b3435f1cad4e78e864a8e6c00d3dca4290dfb11a1b55f4dc8bb97c359fc0ff64
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 551e0c028a6e648f850e9ed27403499930b1bde101e2d25b0f0f996f318d2a87
[INFO] running `"docker" "start" "-a" "551e0c028a6e648f850e9ed27403499930b1bde101e2d25b0f0f996f318d2a87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling loopc v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer/mod.rs:346:25
[INFO] [stderr]     |
[INFO] [stderr] 346 |             let token = try!(self.next_token());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.expect_type(TokenType::Keyword(Keyword::Loop)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.expect_type(TokenType::Keyword(Keyword::Do)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(self.expect_type(TokenType::Keyword(Keyword::End)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(self.expect_type(TokenType::Assignment));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             try!(self.expect_type(TokenType::Constant));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:205:26
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 let p1 = try!(program);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:206:26
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let p2 = try!(self.parse_program());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:218:23
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(self.expect_type(TokenType::Eof));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(self.codegen_program(&mut module, &p));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 try!(self.codegen_program(module, &p1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:187:23
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let val = try!(self.get_variable_ref(position, value));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:201:20
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let addr = try!(self.get_variable_ref(position, assignee));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let lhs = try!(self.codegen_value(position, lhs));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:232:27
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:249:20
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let cond = try!(self.codegen_value(position, condition));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |         try!(self.codegen_program(module, program));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let tokens = try!(lexer.run());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(file.read_to_string(&mut content));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(module.verify());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     try!(engine.remove_module(&mut module));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:404:42
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut func: LLVMValueRef = mem::uninitialized();
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:415:29
[INFO] [stderr]     |
[INFO] [stderr] 415 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:430:28
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let args = mem::uninitialized();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:496:54
[INFO] [stderr]     |
[INFO] [stderr] 496 |             let mut engine: LLVMExecutionEngineRef = mem::uninitialized();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:497:29
[INFO] [stderr]     |
[INFO] [stderr] 497 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:513:29
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:557:30
[INFO] [stderr]     |
[INFO] [stderr] 557 |             let mut target = mem::uninitialized();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:558:29
[INFO] [stderr]     |
[INFO] [stderr] 558 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => e.description().into(),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "551e0c028a6e648f850e9ed27403499930b1bde101e2d25b0f0f996f318d2a87"`
[INFO] running `"docker" "rm" "-f" "551e0c028a6e648f850e9ed27403499930b1bde101e2d25b0f0f996f318d2a87"`
[INFO] [stdout] 551e0c028a6e648f850e9ed27403499930b1bde101e2d25b0f0f996f318d2a87
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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"`
[INFO] [stdout] 1713125bb7a43bb6ae7a45bc3fd002650909eff261a71cb508da5a0e17c8b506
[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" "1713125bb7a43bb6ae7a45bc3fd002650909eff261a71cb508da5a0e17c8b506"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer/mod.rs:346:25
[INFO] [stderr]     |
[INFO] [stderr] 346 |             let token = try!(self.next_token());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.expect_type(TokenType::Keyword(Keyword::Loop)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.expect_type(TokenType::Keyword(Keyword::Do)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(self.expect_type(TokenType::Keyword(Keyword::End)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(self.expect_type(TokenType::Assignment));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             try!(self.expect_type(TokenType::Identifier));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             try!(self.expect_type(TokenType::Constant));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |             try!(self.expect_one_of_types(vec![TokenType::Identifier, TokenType::Constant]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:205:26
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 let p1 = try!(program);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:206:26
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let p2 = try!(self.parse_program());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:218:23
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let program = try!(self.parse_program());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(self.expect_type(TokenType::Eof));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         try!(self.codegen_program(&mut module, &p));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 try!(self.codegen_program(module, &p1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:187:23
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let val = try!(self.get_variable_ref(position, value));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:201:20
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let addr = try!(self.get_variable_ref(position, assignee));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let lhs = try!(self.codegen_value(position, lhs));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:214:27
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:228:27
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:232:27
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let rhs = try!(self.codegen_value(position, rhs));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:249:20
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let cond = try!(self.codegen_value(position, condition));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/codegen/mod.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |         try!(self.codegen_program(module, program));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:83:18
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let tokens = try!(lexer.run());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(file.read_to_string(&mut content));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(module.verify());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     try!(engine.remove_module(&mut module));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:404:42
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut func: LLVMValueRef = mem::uninitialized();
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:415:29
[INFO] [stderr]     |
[INFO] [stderr] 415 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:430:28
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let args = mem::uninitialized();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:482:29
[INFO] [stderr]     |
[INFO] [stderr] 482 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:496:54
[INFO] [stderr]     |
[INFO] [stderr] 496 |             let mut engine: LLVMExecutionEngineRef = mem::uninitialized();
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:497:29
[INFO] [stderr]     |
[INFO] [stderr] 497 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:513:29
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:557:30
[INFO] [stderr]     |
[INFO] [stderr] 557 |             let mut target = mem::uninitialized();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/codegen/llvm.rs:558:29
[INFO] [stderr]     |
[INFO] [stderr] 558 |             let mut error = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => e.description().into(),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loopc-64691cf960f94561
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lexer::tests::test_punctuation ... ok
[INFO] [stdout] test parser::tests::test_double ... ok
[INFO] [stdout] test lexer::tests::test_identifiers ... ok
[INFO] [stdout] test lexer::tests::test_keywords ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1713125bb7a43bb6ae7a45bc3fd002650909eff261a71cb508da5a0e17c8b506"`
[INFO] running `"docker" "rm" "-f" "1713125bb7a43bb6ae7a45bc3fd002650909eff261a71cb508da5a0e17c8b506"`
[INFO] [stdout] 1713125bb7a43bb6ae7a45bc3fd002650909eff261a71cb508da5a0e17c8b506