[INFO] updating cached repository mvojacek/rust-expr-calc [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mvojacek/rust-expr-calc [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mvojacek/rust-expr-calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mvojacek/rust-expr-calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mvojacek/rust-expr-calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mvojacek/rust-expr-calc'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fe285145034d08d383d362c3f5f6c61aa72daf6c [INFO] sha for GitHub repo mvojacek/rust-expr-calc: fe285145034d08d383d362c3f5f6c61aa72daf6c [INFO] validating manifest of mvojacek/rust-expr-calc 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 mvojacek/rust-expr-calc 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 mvojacek/rust-expr-calc [INFO] finished frobbing mvojacek/rust-expr-calc [INFO] frobbed toml for mvojacek/rust-expr-calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc/Cargo.toml [INFO] started frobbing mvojacek/rust-expr-calc [INFO] finished frobbing mvojacek/rust-expr-calc [INFO] frobbed toml for mvojacek/rust-expr-calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mvojacek/rust-expr-calc/Cargo.toml [INFO] crate mvojacek/rust-expr-calc 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 mvojacek/rust-expr-calc 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc:/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] 68c1450be960d908d2202e2dc55cd8b2f7735bc8709b7d0cea994299860fde15 [INFO] running `"docker" "start" "-a" "68c1450be960d908d2202e2dc55cd8b2f7735bc8709b7d0cea994299860fde15"` [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling rustplay v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/asdebug.rs:6:28 [INFO] [stderr] | [INFO] [stderr] 6 | fn as_debug(&self) -> &Debug; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Debug` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/asdebug.rs:16:28 [INFO] [stderr] | [INFO] [stderr] 16 | fn as_debug(&self) -> &Debug { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Debug` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/nodelinkedlist.rs:327:48 [INFO] [stderr] | [INFO] [stderr] 327 | let it = &mut iter.into_iter() as &mut Iterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:99:15 [INFO] [stderr] | [INFO] [stderr] 99 | OpErr(Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:210:40 [INFO] [stderr] | [INFO] [stderr] 210 | where F: Fn(N, N) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + Send` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:184:24 [INFO] [stderr] | [INFO] [stderr] 184 | Expr::Num { n, locked } => Ok(n), [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:225:37 [INFO] [stderr] | [INFO] [stderr] 225 | Expr::Num { n, locked } => { [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:233:29 [INFO] [stderr] | [INFO] [stderr] 233 | Expr::Num { n, locked: true } => return Ok(()), [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:241:37 [INFO] [stderr] | [INFO] [stderr] 241 | Expr::Num { n, locked } => { [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:249:29 [INFO] [stderr] | [INFO] [stderr] 249 | Expr::Num { n, locked: true } => return Ok(()), [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:276:44 [INFO] [stderr] | [INFO] [stderr] 276 | paren_mut_adjacent_num(&n, p, |num, locked| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:302:65 [INFO] [stderr] | [INFO] [stderr] 302 | paren_mut_adjacent_num(&close_paren, Paren::Close, |n, locked| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:305:63 [INFO] [stderr] | [INFO] [stderr] 305 | paren_mut_adjacent_num(&open_paren, Paren::Open, |n, locked| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:292:32 [INFO] [stderr] | [INFO] [stderr] 292 | Expr::Num { n, locked } => n, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:385:28 [INFO] [stderr] | [INFO] [stderr] 385 | Expr::Num { n, locked } => true, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:385:25 [INFO] [stderr] | [INFO] [stderr] 385 | Expr::Num { n, locked } => true, [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert_before_node` [INFO] [stderr] --> src/nodelinkedlist.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn insert_before_node(self, node: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert_before` [INFO] [stderr] --> src/nodelinkedlist.rs:146:5 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn insert_before(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `split_after` [INFO] [stderr] --> src/nodelinkedlist.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | pub fn split_after(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `split_before` [INFO] [stderr] --> src/nodelinkedlist.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | pub fn split_before(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter_walk_val` [INFO] [stderr] --> src/nodelinkedlist.rs:209:5 [INFO] [stderr] | [INFO] [stderr] 209 | pub fn iter_walk_val(&self) -> WalkingIterVal where T: Clone { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_iter_back` [INFO] [stderr] --> src/nodelinkedlist.rs:217:5 [INFO] [stderr] | [INFO] [stderr] 217 | pub fn list_iter_back(&self) -> Chain, WalkingIterBack> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_iter_val` [INFO] [stderr] --> src/nodelinkedlist.rs:221:5 [INFO] [stderr] | [INFO] [stderr] 221 | pub fn list_iter_val(&self) -> Chain, WalkingIterVal> where T: Clone { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `tail` [INFO] [stderr] --> src/nodelinkedlist.rs:227:5 [INFO] [stderr] | [INFO] [stderr] 227 | pub fn tail(&self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `head` [INFO] [stderr] --> src/nodelinkedlist.rs:231:5 [INFO] [stderr] | [INFO] [stderr] 231 | pub fn head(&self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_distance` [INFO] [stderr] --> src/nodelinkedlist.rs:239:5 [INFO] [stderr] | [INFO] [stderr] 239 | pub fn list_distance(&self, following: &Self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_find` [INFO] [stderr] --> src/nodelinkedlist.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 244 | pub fn list_find(&self, other: &Self) -> Option<(bool, usize)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_append_node` [INFO] [stderr] --> src/nodelinkedlist.rs:252:5 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn list_append_node(&self, node: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_append` [INFO] [stderr] --> src/nodelinkedlist.rs:256:5 [INFO] [stderr] | [INFO] [stderr] 256 | pub fn list_append(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_prepend_node` [INFO] [stderr] --> src/nodelinkedlist.rs:260:5 [INFO] [stderr] | [INFO] [stderr] 260 | pub fn list_prepend_node(&self, node: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_prepend` [INFO] [stderr] --> src/nodelinkedlist.rs:264:5 [INFO] [stderr] | [INFO] [stderr] 264 | pub fn list_prepend(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_linkedlist_for_tests` [INFO] [stderr] --> src/nodelinkedlist.rs:345:1 [INFO] [stderr] | [INFO] [stderr] 345 | fn make_linkedlist_for_tests() -> [Node; 4] { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate10` [INFO] [stderr] --> src/main.rs:125:1 [INFO] [stderr] | [INFO] [stderr] 125 | fn calculate10(expr: &String) -> Result, CalcErr)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_num` [INFO] [stderr] --> src/main.rs:383:5 [INFO] [stderr] | [INFO] [stderr] 383 | fn is_num(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_op` [INFO] [stderr] --> src/main.rs:389:5 [INFO] [stderr] | [INFO] [stderr] 389 | fn is_op(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_paren` [INFO] [stderr] --> src/main.rs:395:5 [INFO] [stderr] | [INFO] [stderr] 395 | fn is_paren(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/asdebug.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(specialization, core_intrinsics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_attributes)] on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/asdebug.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(specialization, core_intrinsics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.02s [INFO] running `"docker" "inspect" "68c1450be960d908d2202e2dc55cd8b2f7735bc8709b7d0cea994299860fde15"` [INFO] running `"docker" "rm" "-f" "68c1450be960d908d2202e2dc55cd8b2f7735bc8709b7d0cea994299860fde15"` [INFO] [stdout] 68c1450be960d908d2202e2dc55cd8b2f7735bc8709b7d0cea994299860fde15 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc:/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] 79564e0102043414a6fe5f3730d977f8794e0f5cbe8eb5a1831ff098ae72139d [INFO] running `"docker" "start" "-a" "79564e0102043414a6fe5f3730d977f8794e0f5cbe8eb5a1831ff098ae72139d"` [INFO] [stderr] Compiling rustplay v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/asdebug.rs:6:28 [INFO] [stderr] | [INFO] [stderr] 6 | fn as_debug(&self) -> &Debug; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Debug` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/asdebug.rs:16:28 [INFO] [stderr] | [INFO] [stderr] 16 | fn as_debug(&self) -> &Debug { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Debug` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/nodelinkedlist.rs:327:48 [INFO] [stderr] | [INFO] [stderr] 327 | let it = &mut iter.into_iter() as &mut Iterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:99:15 [INFO] [stderr] | [INFO] [stderr] 99 | OpErr(Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:210:40 [INFO] [stderr] | [INFO] [stderr] 210 | where F: Fn(N, N) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display + Send` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:184:24 [INFO] [stderr] | [INFO] [stderr] 184 | Expr::Num { n, locked } => Ok(n), [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:225:37 [INFO] [stderr] | [INFO] [stderr] 225 | Expr::Num { n, locked } => { [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:233:29 [INFO] [stderr] | [INFO] [stderr] 233 | Expr::Num { n, locked: true } => return Ok(()), [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:241:37 [INFO] [stderr] | [INFO] [stderr] 241 | Expr::Num { n, locked } => { [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:249:29 [INFO] [stderr] | [INFO] [stderr] 249 | Expr::Num { n, locked: true } => return Ok(()), [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:276:44 [INFO] [stderr] | [INFO] [stderr] 276 | paren_mut_adjacent_num(&n, p, |num, locked| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:302:65 [INFO] [stderr] | [INFO] [stderr] 302 | paren_mut_adjacent_num(&close_paren, Paren::Close, |n, locked| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:305:63 [INFO] [stderr] | [INFO] [stderr] 305 | paren_mut_adjacent_num(&open_paren, Paren::Open, |n, locked| { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:292:32 [INFO] [stderr] | [INFO] [stderr] 292 | Expr::Num { n, locked } => n, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locked` [INFO] [stderr] --> src/main.rs:385:28 [INFO] [stderr] | [INFO] [stderr] 385 | Expr::Num { n, locked } => true, [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `locked: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:385:25 [INFO] [stderr] | [INFO] [stderr] 385 | Expr::Num { n, locked } => true, [INFO] [stderr] | ^ help: try ignoring the field: `n: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n4` [INFO] [stderr] --> src/nodelinkedlist.rs:443:9 [INFO] [stderr] | [INFO] [stderr] 443 | let n4 = Node::new(4); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_n4` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert_before` [INFO] [stderr] --> src/nodelinkedlist.rs:146:5 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn insert_before(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `split_after` [INFO] [stderr] --> src/nodelinkedlist.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | pub fn split_after(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `split_before` [INFO] [stderr] --> src/nodelinkedlist.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | pub fn split_before(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_append_node` [INFO] [stderr] --> src/nodelinkedlist.rs:252:5 [INFO] [stderr] | [INFO] [stderr] 252 | pub fn list_append_node(&self, node: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_append` [INFO] [stderr] --> src/nodelinkedlist.rs:256:5 [INFO] [stderr] | [INFO] [stderr] 256 | pub fn list_append(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_prepend_node` [INFO] [stderr] --> src/nodelinkedlist.rs:260:5 [INFO] [stderr] | [INFO] [stderr] 260 | pub fn list_prepend_node(&self, node: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `list_prepend` [INFO] [stderr] --> src/nodelinkedlist.rs:264:5 [INFO] [stderr] | [INFO] [stderr] 264 | pub fn list_prepend(&self, val: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_num` [INFO] [stderr] --> src/main.rs:383:5 [INFO] [stderr] | [INFO] [stderr] 383 | fn is_num(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_op` [INFO] [stderr] --> src/main.rs:389:5 [INFO] [stderr] | [INFO] [stderr] 389 | fn is_op(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_paren` [INFO] [stderr] --> src/main.rs:395:5 [INFO] [stderr] | [INFO] [stderr] 395 | fn is_paren(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/asdebug.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(specialization, core_intrinsics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_attributes)] on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/asdebug.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(specialization, core_intrinsics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.12s [INFO] running `"docker" "inspect" "79564e0102043414a6fe5f3730d977f8794e0f5cbe8eb5a1831ff098ae72139d"` [INFO] running `"docker" "rm" "-f" "79564e0102043414a6fe5f3730d977f8794e0f5cbe8eb5a1831ff098ae72139d"` [INFO] [stdout] 79564e0102043414a6fe5f3730d977f8794e0f5cbe8eb5a1831ff098ae72139d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mvojacek/rust-expr-calc:/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] fd467c3bad342f730c30ac269628743e27842b1a9c139c89fe653c5fd17ea73e [INFO] running `"docker" "start" "-a" "fd467c3bad342f730c30ac269628743e27842b1a9c139c89fe653c5fd17ea73e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/rustplay-b8c58402238e9ea5 [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test nodelinkedlist::test_head_tail ... ok [INFO] [stdout] test nodelinkedlist::test_cut ... ok [INFO] [stdout] test nodelinkedlist::test_find_distance ... ok [INFO] [stdout] test nodelinkedlist::test_equal ... ok [INFO] [stdout] test nodelinkedlist::test_insert_after ... ok [INFO] [stdout] test splitkeep::test::split_with_delimiter_allows_consecutive_delimiters ... ok [INFO] [stdout] test splitkeep::test::split_with_delimiter ... ok [INFO] [stdout] test nodelinkedlist::test_list_iter_val ... ok [INFO] [stdout] test nodelinkedlist::test_link ... ok [INFO] [stdout] test nodelinkedlist::test_insert_before ... ok [INFO] [stdout] test test_calc_parens_lock ... ok [INFO] [stdout] test test_calc_parens ... ok [INFO] [stdout] test test_calc_precedence ... ok [INFO] [stdout] test test_calc_parens_nested ... ok [INFO] [stdout] test test_calc_div_trunc ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "fd467c3bad342f730c30ac269628743e27842b1a9c139c89fe653c5fd17ea73e"` [INFO] running `"docker" "rm" "-f" "fd467c3bad342f730c30ac269628743e27842b1a9c139c89fe653c5fd17ea73e"` [INFO] [stdout] fd467c3bad342f730c30ac269628743e27842b1a9c139c89fe653c5fd17ea73e