[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/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/mcon/craftinginterpreters-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mcon/craftinginterpreters-rust" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mcon/craftinginterpreters-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b5ea6895c1842875f8a7b51379fff6ea47b84c73 [INFO] sha for GitHub repo mcon/craftinginterpreters-rust: b5ea6895c1842875f8a7b51379fff6ea47b84c73 [INFO] validating manifest of mcon/craftinginterpreters-rust on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mcon/craftinginterpreters-rust on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "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/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/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/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/mcon/craftinginterpreters-rust/Cargo.toml [INFO] crate mcon/craftinginterpreters-rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mcon/craftinginterpreters-rust against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-0/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/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=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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9fc4826770d41fc55d0ad007ea3cfbdcc92a9d6796919e261ca8d906db3dfe57 [INFO] running `"docker" "start" "-a" "9fc4826770d41fc55d0ad007ea3cfbdcc92a9d6796919e261ca8d906db3dfe57"` [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking lox-rust 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: 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: unreachable statement [INFO] [stderr] --> src/scanner.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | 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:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | 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:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | 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:166:17 [INFO] [stderr] | [INFO] [stderr] 166 | 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:189:13 [INFO] [stderr] | [INFO] [stderr] 189 | 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:41:1 [INFO] [stderr] | [INFO] [stderr] 41 | enum TokenParseResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/scanner.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/scanner.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | 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:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | 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:148:17 [INFO] [stderr] | [INFO] [stderr] 148 | 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:166:17 [INFO] [stderr] | [INFO] [stderr] 166 | 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:189:13 [INFO] [stderr] | [INFO] [stderr] 189 | 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:41:1 [INFO] [stderr] | [INFO] [stderr] 41 | enum TokenParseResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/scanner.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `"docker" "inspect" "9fc4826770d41fc55d0ad007ea3cfbdcc92a9d6796919e261ca8d906db3dfe57"` [INFO] running `"docker" "rm" "-f" "9fc4826770d41fc55d0ad007ea3cfbdcc92a9d6796919e261ca8d906db3dfe57"` [INFO] [stdout] 9fc4826770d41fc55d0ad007ea3cfbdcc92a9d6796919e261ca8d906db3dfe57