[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mcon/craftinginterpreters-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mcon/craftinginterpreters-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mcon/craftinginterpreters-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 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 mcon/craftinginterpreters-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 mcon/craftinginterpreters-rust [INFO] finished frobbing mcon/craftinginterpreters-rust [INFO] frobbed toml for mcon/craftinginterpreters-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+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 mcon/craftinginterpreters-rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bbf585541b1ed91db23dc9c5985cd39fb8842f1d2304ca37f56669dc71e50e2b [INFO] running `"docker" "start" "-a" "bbf585541b1ed91db23dc9c5985cd39fb8842f1d2304ca37f56669dc71e50e2b"` [INFO] [stderr] Checking 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: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner.rs:165:28 [INFO] [stderr] | [INFO] [stderr] 165 | character @ '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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: 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: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner.rs:165:28 [INFO] [stderr] | [INFO] [stderr] 165 | character @ '0'...'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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] 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 2.18s [INFO] running `"docker" "inspect" "bbf585541b1ed91db23dc9c5985cd39fb8842f1d2304ca37f56669dc71e50e2b"` [INFO] running `"docker" "rm" "-f" "bbf585541b1ed91db23dc9c5985cd39fb8842f1d2304ca37f56669dc71e50e2b"` [INFO] [stdout] bbf585541b1ed91db23dc9c5985cd39fb8842f1d2304ca37f56669dc71e50e2b