[INFO] updating cached repository mcon/craftinginterpreters-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mcon/craftinginterpreters-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mcon/craftinginterpreters-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mcon/craftinginterpreters-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mcon/craftinginterpreters-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 914e696ffb1d82d14e2363d7e404392a24a5d754 [INFO] sha for GitHub repo mcon/craftinginterpreters-rust: 914e696ffb1d82d14e2363d7e404392a24a5d754 [INFO] validating manifest of mcon/craftinginterpreters-rust on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mcon/craftinginterpreters-rust on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mcon/craftinginterpreters-rust [INFO] finished frobbing mcon/craftinginterpreters-rust [INFO] frobbed toml for mcon/craftinginterpreters-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-rust/Cargo.toml [INFO] started frobbing mcon/craftinginterpreters-rust [INFO] finished frobbing mcon/craftinginterpreters-rust [INFO] frobbed toml for mcon/craftinginterpreters-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mcon/craftinginterpreters-rust/Cargo.toml [INFO] crate mcon/craftinginterpreters-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mcon/craftinginterpreters-rust against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-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=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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 2a1acf8205a4503cf5f4d9d4f59acf843b767d79519ed106ae7d54ca3113ee0d [INFO] running `"docker" "start" "-a" "2a1acf8205a4503cf5f4d9d4f59acf843b767d79519ed106ae7d54ca3113ee0d"` [INFO] [stderr] Compiling loxrust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound` [INFO] [stderr] --> src/scanner.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use scanner::TokenParseResult::TokenFound; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::Error` [INFO] [stderr] --> src/scanner.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use scanner::TokenParseResult::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::NoToken` [INFO] [stderr] --> src/scanner.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use scanner::TokenParseResult::NoToken; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/scanner.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | if (self_type == discriminant(other)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/scanner.rs:222:9 [INFO] [stderr] | [INFO] [stderr] 222 | self.errors.push(format!("Unknown error parsing number on line {}", self.line)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | let mut temp_copy = self.source.clone(); [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: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:166:21 [INFO] [stderr] | [INFO] [stderr] 166 | let mut last_character = character.to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:172:21 [INFO] [stderr] | [INFO] [stderr] 172 | let mut last_character = character.to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:188:17 [INFO] [stderr] | [INFO] [stderr] 188 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:206:17 [INFO] [stderr] | [INFO] [stderr] 206 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:229:13 [INFO] [stderr] | [INFO] [stderr] 229 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `TokenParseResult` [INFO] [stderr] --> src/scanner.rs:80:1 [INFO] [stderr] | [INFO] [stderr] 80 | enum TokenParseResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/scanner.rs:79:8 [INFO] [stderr] | [INFO] [stderr] 79 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s [INFO] running `"docker" "inspect" "2a1acf8205a4503cf5f4d9d4f59acf843b767d79519ed106ae7d54ca3113ee0d"` [INFO] running `"docker" "rm" "-f" "2a1acf8205a4503cf5f4d9d4f59acf843b767d79519ed106ae7d54ca3113ee0d"` [INFO] [stdout] 2a1acf8205a4503cf5f4d9d4f59acf843b767d79519ed106ae7d54ca3113ee0d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-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=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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] fe45a4dbad8de68e2b61259577eba3a7d6b2047b3018053a459140b993ba927e [INFO] running `"docker" "start" "-a" "fe45a4dbad8de68e2b61259577eba3a7d6b2047b3018053a459140b993ba927e"` [INFO] [stderr] Compiling loxrust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound` [INFO] [stderr] --> src/scanner.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use scanner::TokenParseResult::TokenFound; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::Error` [INFO] [stderr] --> src/scanner.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use scanner::TokenParseResult::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenParseResult::NoToken` [INFO] [stderr] --> src/scanner.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use scanner::TokenParseResult::NoToken; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/scanner.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | if (self_type == discriminant(other)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/scanner.rs:222:9 [INFO] [stderr] | [INFO] [stderr] 222 | self.errors.push(format!("Unknown error parsing number on line {}", self.line)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | let mut temp_copy = self.source.clone(); [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: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:166:21 [INFO] [stderr] | [INFO] [stderr] 166 | let mut last_character = character.to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:172:21 [INFO] [stderr] | [INFO] [stderr] 172 | let mut last_character = character.to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:188:17 [INFO] [stderr] | [INFO] [stderr] 188 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:206:17 [INFO] [stderr] | [INFO] [stderr] 206 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scanner.rs:229:13 [INFO] [stderr] | [INFO] [stderr] 229 | let mut string_iter = [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `TokenParseResult` [INFO] [stderr] --> src/scanner.rs:80:1 [INFO] [stderr] | [INFO] [stderr] 80 | enum TokenParseResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/scanner.rs:79:8 [INFO] [stderr] | [INFO] [stderr] 79 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `"docker" "inspect" "fe45a4dbad8de68e2b61259577eba3a7d6b2047b3018053a459140b993ba927e"` [INFO] running `"docker" "rm" "-f" "fe45a4dbad8de68e2b61259577eba3a7d6b2047b3018053a459140b993ba927e"` [INFO] [stdout] fe45a4dbad8de68e2b61259577eba3a7d6b2047b3018053a459140b993ba927e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mcon/craftinginterpreters-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=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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 70f1b09b840d5c5200e08d0c688c4dde38a473321e9eeade69c30b73ff516e96 [INFO] running `"docker" "start" "-a" "70f1b09b840d5c5200e08d0c688c4dde38a473321e9eeade69c30b73ff516e96"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/loxrust-4c9561cd3d911821 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test scanner::tests::equals_statement ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/loxrust-2abab8b2c5d956f4 [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/integration_tests-cb1f22f8a2651c1b [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests loxrust [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "70f1b09b840d5c5200e08d0c688c4dde38a473321e9eeade69c30b73ff516e96"` [INFO] running `"docker" "rm" "-f" "70f1b09b840d5c5200e08d0c688c4dde38a473321e9eeade69c30b73ff516e96"` [INFO] [stdout] 70f1b09b840d5c5200e08d0c688c4dde38a473321e9eeade69c30b73ff516e96