[INFO] updating cached repository UnicodeSnowman/writing_an_interpreter_in_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/UnicodeSnowman/writing_an_interpreter_in_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/UnicodeSnowman/writing_an_interpreter_in_rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnicodeSnowman/writing_an_interpreter_in_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnicodeSnowman/writing_an_interpreter_in_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/UnicodeSnowman/writing_an_interpreter_in_rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnicodeSnowman/writing_an_interpreter_in_rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnicodeSnowman/writing_an_interpreter_in_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0952a8d5bbdba06124f3cc94e5528daa4a81c828 [INFO] sha for GitHub repo UnicodeSnowman/writing_an_interpreter_in_rust: 0952a8d5bbdba06124f3cc94e5528daa4a81c828 [INFO] validating manifest of UnicodeSnowman/writing_an_interpreter_in_rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of UnicodeSnowman/writing_an_interpreter_in_rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing UnicodeSnowman/writing_an_interpreter_in_rust [INFO] finished frobbing UnicodeSnowman/writing_an_interpreter_in_rust [INFO] frobbed toml for UnicodeSnowman/writing_an_interpreter_in_rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnicodeSnowman/writing_an_interpreter_in_rust/Cargo.toml [INFO] started frobbing UnicodeSnowman/writing_an_interpreter_in_rust [INFO] finished frobbing UnicodeSnowman/writing_an_interpreter_in_rust [INFO] frobbed toml for UnicodeSnowman/writing_an_interpreter_in_rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnicodeSnowman/writing_an_interpreter_in_rust/Cargo.toml [INFO] crate UnicodeSnowman/writing_an_interpreter_in_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking UnicodeSnowman/writing_an_interpreter_in_rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnicodeSnowman/writing_an_interpreter_in_rust:/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 743b78d42279b61b4bd729cd89a74d0d79a8bd548d23c5bf23beba47a11319a8 [INFO] running `"docker" "start" "-a" "743b78d42279b61b4bd729cd89a74d0d79a8bd548d23c5bf23beba47a11319a8"` [INFO] [stderr] Checking writing_an_interpreter_in_rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:16:29 [INFO] [stderr] | [INFO] [stderr] 16 | pub statements: Vec> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | value: Box [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:16:29 [INFO] [stderr] | [INFO] [stderr] 16 | pub statements: Vec> [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | value: Box [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Expression` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `blah` [INFO] [stderr] --> src/parser.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let blah = lexer.current_token(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_blah` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `blah` [INFO] [stderr] --> src/parser.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let blah = lexer.current_token(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_blah` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: private trait `ast::Statement` in public interface (error E0445) [INFO] [stderr] --> src/ast.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | pub statements: Vec> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `token_literal` [INFO] [stderr] --> src/ast.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn token_literal(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `name` [INFO] [stderr] --> src/ast.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | name: Identifier<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/ast.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | value: Box [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/ast.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | value: &'a str [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `lexer` [INFO] [stderr] --> src/parser.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | lexer: &'p mut Lexer, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `errors` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | errors: Vec<&'p str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `current_token` [INFO] [stderr] --> src/parser.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | current_token: Token<'p>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `peek_token` [INFO] [stderr] --> src/parser.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | peek_token: Token<'p> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_token` [INFO] [stderr] --> src/parser.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | fn next_token(&'p mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: private trait `ast::Statement` in public interface (error E0445) [INFO] [stderr] --> src/ast.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | pub statements: Vec> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: method is never used: `token_literal` [INFO] [stderr] --> src/ast.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn token_literal(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `name` [INFO] [stderr] --> src/ast.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | name: Identifier<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/ast.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | value: Box [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `value` [INFO] [stderr] --> src/ast.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | value: &'a str [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `lexer` [INFO] [stderr] --> src/parser.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | lexer: &'p mut Lexer, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `errors` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | errors: Vec<&'p str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `current_token` [INFO] [stderr] --> src/parser.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | current_token: Token<'p>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `peek_token` [INFO] [stderr] --> src/parser.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | peek_token: Token<'p> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_token` [INFO] [stderr] --> src/parser.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | fn next_token(&'p mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "743b78d42279b61b4bd729cd89a74d0d79a8bd548d23c5bf23beba47a11319a8"` [INFO] running `"docker" "rm" "-f" "743b78d42279b61b4bd729cd89a74d0d79a8bd548d23c5bf23beba47a11319a8"` [INFO] [stdout] 743b78d42279b61b4bd729cd89a74d0d79a8bd548d23c5bf23beba47a11319a8