[INFO] updating cached repository https://github.com/mcon/craftinginterpreters-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 914e696ffb1d82d14e2363d7e404392a24a5d754 [INFO] testing mcon/craftinginterpreters-rust against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcon%2Fcraftinginterpreters-rust" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mcon/craftinginterpreters-rust on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mcon/craftinginterpreters-rust [INFO] finished tweaking git repo https://github.com/mcon/craftinginterpreters-rust [INFO] tweaked toml for git repo https://github.com/mcon/craftinginterpreters-rust written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mcon/craftinginterpreters-rust already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] abf324a6882cc7def6020174784e7882036b073826ef253759ed5ec81b45bd2d [INFO] running `"docker" "start" "-a" "abf324a6882cc7def6020174784e7882036b073826ef253759ed5ec81b45bd2d"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling loxrust v0.1.0 (/opt/rustwide/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: 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 1.19s [INFO] running `"docker" "inspect" "abf324a6882cc7def6020174784e7882036b073826ef253759ed5ec81b45bd2d"` [INFO] running `"docker" "rm" "-f" "abf324a6882cc7def6020174784e7882036b073826ef253759ed5ec81b45bd2d"` [INFO] [stdout] abf324a6882cc7def6020174784e7882036b073826ef253759ed5ec81b45bd2d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] eb7a6617667060ecf785d2557c453523fec4505309ef8ae42a7e353a98ffdbd1 [INFO] running `"docker" "start" "-a" "eb7a6617667060ecf785d2557c453523fec4505309ef8ae42a7e353a98ffdbd1"` [INFO] [stderr] Compiling loxrust v0.1.0 (/opt/rustwide/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: 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 0.56s [INFO] running `"docker" "inspect" "eb7a6617667060ecf785d2557c453523fec4505309ef8ae42a7e353a98ffdbd1"` [INFO] running `"docker" "rm" "-f" "eb7a6617667060ecf785d2557c453523fec4505309ef8ae42a7e353a98ffdbd1"` [INFO] [stdout] eb7a6617667060ecf785d2557c453523fec4505309ef8ae42a7e353a98ffdbd1 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] e8d66c5560f4e117b5de74abf5d1d40931b59ecc6a1c126730e6aeaad5ca08cf [INFO] running `"docker" "start" "-a" "e8d66c5560f4e117b5de74abf5d1d40931b59ecc6a1c126730e6aeaad5ca08cf"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/loxrust-0ff7202a35d0423e [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test scanner::tests::equals_statement ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/loxrust-c09d6d2ce4e0f766 [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] Running /opt/rustwide/target/debug/deps/integration_tests-09491dc091192801 [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" "e8d66c5560f4e117b5de74abf5d1d40931b59ecc6a1c126730e6aeaad5ca08cf"` [INFO] running `"docker" "rm" "-f" "e8d66c5560f4e117b5de74abf5d1d40931b59ecc6a1c126730e6aeaad5ca08cf"` [INFO] [stdout] e8d66c5560f4e117b5de74abf5d1d40931b59ecc6a1c126730e6aeaad5ca08cf