[INFO] updating cached repository baoziv587/LoxLang [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/baoziv587/LoxLang [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/baoziv587/LoxLang" "work/ex/beta-1.38-1/sources/1.37.0/gh/baoziv587/LoxLang"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/baoziv587/LoxLang'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/baoziv587/LoxLang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c5f72cf61fa1d6b4fc5cc4f69385090c8930202d [INFO] sha for GitHub repo baoziv587/LoxLang: c5f72cf61fa1d6b4fc5cc4f69385090c8930202d [INFO] validating manifest of baoziv587/LoxLang on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of baoziv587/LoxLang on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing baoziv587/LoxLang [INFO] finished frobbing baoziv587/LoxLang [INFO] frobbed toml for baoziv587/LoxLang written to work/ex/beta-1.38-1/sources/1.37.0/gh/baoziv587/LoxLang/Cargo.toml [INFO] started frobbing baoziv587/LoxLang [INFO] finished frobbing baoziv587/LoxLang [INFO] frobbed toml for baoziv587/LoxLang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang/Cargo.toml [INFO] crate baoziv587/LoxLang already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing baoziv587/LoxLang against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] d858f33cc44902770cab8e38b5dc0812ecbd0b64841be78881ae2ab89cef06a3 [INFO] running `"docker" "start" "-a" "d858f33cc44902770cab8e38b5dc0812ecbd0b64841be78881ae2ab89cef06a3"` [INFO] [stderr] Compiling lox v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `core` [INFO] [stderr] --> src/cli/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/frontend/scanner.rs:260:5 [INFO] [stderr] | [INFO] [stderr] 260 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/frontend/scanner.rs:261:5 [INFO] [stderr] | [INFO] [stderr] 261 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/result.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/result.rs:75:35 [INFO] [stderr] | [INFO] [stderr] 75 | Error::IO(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/core/lox.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 142 | let content = self.slice(start, end); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 143 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 146 | content.to_string(), [INFO] [stderr] | ------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 177 | let value = self.slice(self.start, self.current); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 178 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | value.to_string(), [INFO] [stderr] | ----- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/core/lox.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expressions` [INFO] [stderr] --> src/frontend/parser.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | fn expressions(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `equality` [INFO] [stderr] --> src/frontend/parser.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn equality(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `match_type` [INFO] [stderr] --> src/frontend/parser.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect_next` [INFO] [stderr] --> src/frontend/parser.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_error` [INFO] [stderr] --> src/frontend/parser.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fn peek_error(&mut self) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `advance` [INFO] [stderr] --> src/frontend/parser.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `previous` [INFO] [stderr] --> src/frontend/parser.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `check` [INFO] [stderr] --> src/frontend/parser.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_at_end` [INFO] [stderr] --> src/frontend/parser.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | fn is_at_end(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/frontend/parser.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `comparison` [INFO] [stderr] --> src/frontend/parser.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn comparison(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `addition` [INFO] [stderr] --> src/frontend/parser.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | fn addition(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `mutilplication` [INFO] [stderr] --> src/frontend/parser.rs:126:5 [INFO] [stderr] | [INFO] [stderr] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unray` [INFO] [stderr] --> src/frontend/parser.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | fn unray(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `primary` [INFO] [stderr] --> src/frontend/parser.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | fn primary(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unexpected` [INFO] [stderr] --> src/frontend/parser.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eof` [INFO] [stderr] --> src/frontend/parser.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | fn eof(&self) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `slice` [INFO] [stderr] --> src/frontend/scanner.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | fn slice(&self, start: usize, end: usize) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_tokens` [INFO] [stderr] --> src/frontend/scanner.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | fn scan_tokens(&mut self) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_at_end` [INFO] [stderr] --> src/frontend/scanner.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | fn is_at_end(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_token` [INFO] [stderr] --> src/frontend/scanner.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | fn scan_token(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_string` [INFO] [stderr] --> src/frontend/scanner.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | fn scan_string(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_comment` [INFO] [stderr] --> src/frontend/scanner.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | fn scan_comment(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_new_line` [INFO] [stderr] --> src/frontend/scanner.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | fn scan_new_line(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_number` [INFO] [stderr] --> src/frontend/scanner.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | fn scan_number(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `scan_identifier` [INFO] [stderr] --> src/frontend/scanner.rs:186:5 [INFO] [stderr] | [INFO] [stderr] 186 | fn scan_identifier(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `match_str` [INFO] [stderr] --> src/frontend/scanner.rs:201:5 [INFO] [stderr] | [INFO] [stderr] 201 | fn match_str(&mut self, expected: &str) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `current_char` [INFO] [stderr] --> src/frontend/scanner.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | fn current_char(&mut self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `advance` [INFO] [stderr] --> src/frontend/scanner.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | fn advance(&mut self) -> Option<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/frontend/scanner.rs:220:5 [INFO] [stderr] | [INFO] [stderr] 220 | fn peek(&mut self, n: Option) -> Option<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_next` [INFO] [stderr] --> src/frontend/scanner.rs:234:5 [INFO] [stderr] | [INFO] [stderr] 234 | fn peek_next(&mut self) -> Option<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `create_token` [INFO] [stderr] --> src/frontend/scanner.rs:238:5 [INFO] [stderr] | [INFO] [stderr] 238 | fn create_token(&mut self, t: TokenType, line: usize, val: String, pos: usize) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_token` [INFO] [stderr] --> src/frontend/scanner.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 244 | fn add_token(&mut self, tok_type: TokenType) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stderr] --> src/frontend/keywords.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Arg` [INFO] [stderr] --> src/bin/lox/main.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dist` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn exec(dist: &str) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_dist` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `out_dir` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:23:15 [INFO] [stderr] | [INFO] [stderr] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_out_dir` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `base_name` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:23:30 [INFO] [stderr] | [INFO] [stderr] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_base_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ast_types` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:23:47 [INFO] [stderr] | [INFO] [stderr] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_ast_types` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:27:10 [INFO] [stderr] | [INFO] [stderr] 27 | fn write(name: &str, content: &str) -> std::io::Result<()> { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_ast` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | fn gen_ast(out_dit: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `define_ast` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn define_ast(out_dir: &str, base_name: &str, ast_types: &Vec<&str>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write` [INFO] [stderr] --> src/bin/lox/commands/gen_ast.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | fn write(name: &str, content: &str) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.82s [INFO] running `"docker" "inspect" "d858f33cc44902770cab8e38b5dc0812ecbd0b64841be78881ae2ab89cef06a3"` [INFO] running `"docker" "rm" "-f" "d858f33cc44902770cab8e38b5dc0812ecbd0b64841be78881ae2ab89cef06a3"` [INFO] [stdout] d858f33cc44902770cab8e38b5dc0812ecbd0b64841be78881ae2ab89cef06a3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 65eb2b5798e73e618cd4b1e4855490a5244c4b423b5d17a592c58bcfde3791f1 [INFO] running `"docker" "start" "-a" "65eb2b5798e73e618cd4b1e4855490a5244c4b423b5d17a592c58bcfde3791f1"` [INFO] [stderr] Compiling pretty_env_logger v0.3.0 [INFO] [stderr] Compiling lox v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `core` [INFO] [stderr] --> src/cli/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/result.rs:73:32 [INFO] [stderr] | [INFO] [stderr] 73 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/result.rs:75:35 [INFO] [stderr] | [INFO] [stderr] 75 | Error::IO(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/core/lox.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 142 | let content = self.slice(start, end); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 143 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 146 | content.to_string(), [INFO] [stderr] | ------- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/frontend/scanner.rs:178:9 [INFO] [stderr] | [INFO] [stderr] 177 | let value = self.slice(self.start, self.current); [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 178 | self.create_token( [INFO] [stderr] | ^^^^ mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 181 | value.to_string(), [INFO] [stderr] | ----- immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/core/lox.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | fn run(source: &str) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expressions` [INFO] [stderr] --> src/frontend/parser.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | fn expressions(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `equality` [INFO] [stderr] --> src/frontend/parser.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn equality(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `match_type` [INFO] [stderr] --> src/frontend/parser.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | fn match_type(&mut self, types: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect_next` [INFO] [stderr] --> src/frontend/parser.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | fn expect_next(&mut self, types: &Vec) -> Result<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_error` [INFO] [stderr] --> src/frontend/parser.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fn peek_error(&mut self) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `advance` [INFO] [stderr] --> src/frontend/parser.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | fn advance(&mut self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `previous` [INFO] [stderr] --> src/frontend/parser.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | fn previous(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `check` [INFO] [stderr] --> src/frontend/parser.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | fn check(&self, t: &TokenType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_at_end` [INFO] [stderr] --> src/frontend/parser.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | fn is_at_end(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/frontend/parser.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | fn peek(&self) -> Option<&Token> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `comparison` [INFO] [stderr] --> src/frontend/parser.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn comparison(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `addition` [INFO] [stderr] --> src/frontend/parser.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | fn addition(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `mutilplication` [INFO] [stderr] --> src/frontend/parser.rs:126:5 [INFO] [stderr] | [INFO] [stderr] 126 | fn mutilplication(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unray` [INFO] [stderr] --> src/frontend/parser.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | fn unray(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `primary` [INFO] [stderr] --> src/frontend/parser.rs:143:5 [INFO] [stderr] | [INFO] [stderr] 143 | fn primary(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unexpected` [INFO] [stderr] --> src/frontend/parser.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | fn unexpected(&mut self, t: &Token) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eof` [INFO] [stderr] --> src/frontend/parser.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | fn eof(&self) -> Error { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `LoxKeywords` should have an upper case name [INFO] [stderr] --> src/frontend/keywords.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | pub static ref LoxKeywords: HashMap<&'static str, TokenType> = { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper case: `LOX_KEYWORDS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.00s [INFO] running `"docker" "inspect" "65eb2b5798e73e618cd4b1e4855490a5244c4b423b5d17a592c58bcfde3791f1"` [INFO] running `"docker" "rm" "-f" "65eb2b5798e73e618cd4b1e4855490a5244c4b423b5d17a592c58bcfde3791f1"` [INFO] [stdout] 65eb2b5798e73e618cd4b1e4855490a5244c4b423b5d17a592c58bcfde3791f1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baoziv587/LoxLang:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] d6188c88a5ef6dfa8f522b0185b72ed00981d835795dfa23c6bc7906188b0255 [INFO] running `"docker" "start" "-a" "d6188c88a5ef6dfa8f522b0185b72ed00981d835795dfa23c6bc7906188b0255"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/lox-6d41e98a4ee3c051 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test frontend::token::tests::test_token_to_string ... ok [INFO] [stdout] test frontend::token::tests::test_token ... ok [INFO] [stdout] test frontend::scanner::test_advance ... ok [INFO] [stdout] test frontend::scanner::test_scan_number ... ok [INFO] [stdout] test frontend::scanner::test_scan_tokens ... ok [INFO] [stdout] test frontend::scanner::test_scan_identifier ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- frontend::scanner::test_scan_identifier stdout ---- [INFO] [stdout] thread 'frontend::scanner::test_scan_identifier' panicked at 'env_logger::init should not be called after logger initialized: SetLoggerError(())', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5581614bd0eb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5581614bd0eb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5581614bd0eb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5581614bd0eb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5581614bd0eb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5581614bcd5c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5581614bd85d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5581614bd3e2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5581614bd2c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5581614d47fd - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5581614d48f7 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x5581612a557a - core::result::Result::expect::h74a1875c2ff3dee1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:879 [INFO] [stdout] 12: 0x5581612a7535 - env_logger::init::h9417b5894a59c3d3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/env_logger-0.6.1/src/lib.rs:1043 [INFO] [stdout] 13: 0x55816125a767 - lox::frontend::scanner::tests::init::heeafcca02b5d5450 [INFO] [stdout] at src/frontend/scanner.rs:254 [INFO] [stdout] 14: 0x558161249612 - lox::frontend::scanner::test_scan_identifier::h9f97c9d4e0a9ef9c [INFO] [stdout] at src/frontend/scanner.rs:264 [INFO] [stdout] 15: 0x5581612495ea - lox::frontend::scanner::test_scan_identifier::{{closure}}::h0d5a2ea066c5d627 [INFO] [stdout] at src/frontend/scanner.rs:263 [INFO] [stdout] 16: 0x558161258e5e - core::ops::function::FnOnce::call_once::h90e1b0cbbf0d14d5 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 17: 0x5581612713ff - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 18: 0x5581614c052a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 19: 0x55816128b9ee - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x55816128b9ee - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55816128b9ee - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 22: 0x558161266e25 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 23: 0x55816126b035 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x55816126b035 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x55816126b035 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x5581614c052a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x55816126b632 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x55816126b632 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55816126b632 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x55816126b632 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 31: 0x5581614b2b1f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 32: 0x5581614bf900 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 33: 0x5581614bf900 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x5581614bf900 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7fa040c9b4a4 - start_thread [INFO] [stdout] 36: 0x7fa0407c6d0f - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] frontend::scanner::test_scan_identifier [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "d6188c88a5ef6dfa8f522b0185b72ed00981d835795dfa23c6bc7906188b0255"` [INFO] running `"docker" "rm" "-f" "d6188c88a5ef6dfa8f522b0185b72ed00981d835795dfa23c6bc7906188b0255"` [INFO] [stdout] d6188c88a5ef6dfa8f522b0185b72ed00981d835795dfa23c6bc7906188b0255