[INFO] updating cached repository n4to4/interpreter-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/n4to4/interpreter-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/interpreter-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/interpreter-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/interpreter-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/interpreter-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 14ece5df4d2e1a7f60069af47418825a0d3bcc78 [INFO] sha for GitHub repo n4to4/interpreter-rs: 14ece5df4d2e1a7f60069af47418825a0d3bcc78 [INFO] validating manifest of n4to4/interpreter-rs 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 n4to4/interpreter-rs 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 n4to4/interpreter-rs [INFO] finished frobbing n4to4/interpreter-rs [INFO] frobbed toml for n4to4/interpreter-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs/Cargo.toml [INFO] started frobbing n4to4/interpreter-rs [INFO] finished frobbing n4to4/interpreter-rs [INFO] frobbed toml for n4to4/interpreter-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/interpreter-rs/Cargo.toml [INFO] crate n4to4/interpreter-rs 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 n4to4/interpreter-rs against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] c86f629024c6283fbd5e868ebab3d931453c8c65fca0c92f0314d341783d1d5b [INFO] running `"docker" "start" "-a" "c86f629024c6283fbd5e868ebab3d931453c8c65fca0c92f0314d341783d1d5b"` [INFO] [stderr] Compiling pretty_assertions v0.5.1 [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #[macro_use] [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/ast.rs:24:29 [INFO] [stderr] | [INFO] [stderr] 24 | pub statements: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:84:32 [INFO] [stderr] | [INFO] [stderr] 84 | fn as_statement(&self) -> &Statement; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:85:38 [INFO] [stderr] | [INFO] [stderr] 85 | fn as_box_statement(self) -> Box; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:88:32 [INFO] [stderr] | [INFO] [stderr] 88 | fn as_statement(&self) -> &Statement { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:92:38 [INFO] [stderr] | [INFO] [stderr] 92 | fn as_box_statement(self) -> Box { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:46:49 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_statement(&mut self) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement` [INFO] [stderr] [INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name [INFO] [stderr] --> src/token.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | NOT_EQ, [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case: `NotEq` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/repl.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let mut l = Lexer::new(line); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Program` [INFO] [stderr] --> src/ast.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | pub struct Program { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ast.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn new() -> Program { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `token_literal` [INFO] [stderr] --> src/ast.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | fn token_literal(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Identifier` [INFO] [stderr] --> src/ast.rs:47:1 [INFO] [stderr] | [INFO] [stderr] 47 | pub struct Identifier { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LetStatement` [INFO] [stderr] --> src/ast.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | pub struct LetStatement { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Parser` [INFO] [stderr] --> src/parser.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | struct Parser<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/parser.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | fn new(l: &'a mut Lexer) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_token` [INFO] [stderr] --> src/parser.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn next_token(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_program` [INFO] [stderr] --> src/parser.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | fn parse_program(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_statement` [INFO] [stderr] --> src/parser.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_statement(&mut self) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_let_statement` [INFO] [stderr] --> src/parser.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fn parse_let_statement(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cur_token_is` [INFO] [stderr] --> src/parser.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | fn cur_token_is(&self, t: token::TokenType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_token_is` [INFO] [stderr] --> src/parser.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | fn peek_token_is(&self, t: token::TokenType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect_peek` [INFO] [stderr] --> src/parser.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | fn expect_peek(&mut self, t: token::TokenType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `"docker" "inspect" "c86f629024c6283fbd5e868ebab3d931453c8c65fca0c92f0314d341783d1d5b"` [INFO] running `"docker" "rm" "-f" "c86f629024c6283fbd5e868ebab3d931453c8c65fca0c92f0314d341783d1d5b"` [INFO] [stdout] c86f629024c6283fbd5e868ebab3d931453c8c65fca0c92f0314d341783d1d5b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] d8ec94d62ec2334b15f54222541a875f3ac7d080c0924019040a757cbffb36f7 [INFO] running `"docker" "start" "-a" "d8ec94d62ec2334b15f54222541a875f3ac7d080c0924019040a757cbffb36f7"` [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:24:29 [INFO] [stderr] | [INFO] [stderr] 24 | pub statements: Vec>, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:84:32 [INFO] [stderr] | [INFO] [stderr] 84 | fn as_statement(&self) -> &Statement; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:85:38 [INFO] [stderr] | [INFO] [stderr] 85 | fn as_box_statement(self) -> Box; [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:88:32 [INFO] [stderr] | [INFO] [stderr] 88 | fn as_statement(&self) -> &Statement { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast.rs:92:38 [INFO] [stderr] | [INFO] [stderr] 92 | fn as_box_statement(self) -> Box { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:46:49 [INFO] [stderr] | [INFO] [stderr] 46 | fn parse_statement(&mut self) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | fn print_if_string(s: &Any) { [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:130:37 [INFO] [stderr] | [INFO] [stderr] 130 | fn assert_let_statement(s: &Box, name: &str) { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Statement` [INFO] [stderr] [INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name [INFO] [stderr] --> src/token.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | NOT_EQ, [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case: `NotEq` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/repl.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let mut l = Lexer::new(line); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `token_literal` [INFO] [stderr] --> src/ast.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | fn token_literal(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_if_string` [INFO] [stderr] --> src/parser.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn print_if_string(s: &Any) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `"docker" "inspect" "d8ec94d62ec2334b15f54222541a875f3ac7d080c0924019040a757cbffb36f7"` [INFO] running `"docker" "rm" "-f" "d8ec94d62ec2334b15f54222541a875f3ac7d080c0924019040a757cbffb36f7"` [INFO] [stdout] d8ec94d62ec2334b15f54222541a875f3ac7d080c0924019040a757cbffb36f7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/interpreter-rs:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] eb406b303ee103de77211400463097848ae8ae4cca53e467dc676667cb539bca [INFO] running `"docker" "start" "-a" "eb406b303ee103de77211400463097848ae8ae4cca53e467dc676667cb539bca"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/interpreter-2beb0478942153b8 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test token::tests::next_token2 ... ok [INFO] [stdout] test token::tests::next_token ... ok [INFO] [stdout] test parser::tests::let_statements ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "eb406b303ee103de77211400463097848ae8ae4cca53e467dc676667cb539bca"` [INFO] running `"docker" "rm" "-f" "eb406b303ee103de77211400463097848ae8ae4cca53e467dc676667cb539bca"` [INFO] [stdout] eb406b303ee103de77211400463097848ae8ae4cca53e467dc676667cb539bca