[INFO] updating cached repository https://github.com/benbenfan/reverse-polish-hanoi-calculator [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] b32568fbfd2f4efaef0313454d1f2ecce2974890 [INFO] testing benbenfan/reverse-polish-hanoi-calculator against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbenfan%2Freverse-polish-hanoi-calculator" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator [INFO] finished tweaking git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator [INFO] tweaked toml for git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cfc4eb95fe802b7675068d2d6464f09a5261acd8087883b1f963c02533cdfecc [INFO] running `"docker" "start" "-a" "cfc4eb95fe802b7675068d2d6464f09a5261acd8087883b1f963c02533cdfecc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling hw4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/problem1.rs:95:37 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn filter(vs: &Vec, pred: &Fn(i32) -> bool) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `eval` is never read [INFO] [stderr] --> src/problem1.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let mut eval = false; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p00` [INFO] [stderr] --> src/problem2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let p00 = &mat1[0][0]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_p00` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut j = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut k = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | j = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | k = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `temp_val` [INFO] [stderr] --> src/problem2.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let temp_val = &mat1[i][k] * &mat2[k][j]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/problem4.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | for x in 0..num_discs{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:226:9 [INFO] [stderr] | [INFO] [stderr] 226 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:309:9 [INFO] [stderr] | [INFO] [stderr] 309 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:179:32 [INFO] [stderr] | [INFO] [stderr] 179 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inside` [INFO] [stderr] --> src/rpn.rs:190:42 [INFO] [stderr] | [INFO] [stderr] 190 | } else if let Item::Bool(inside) = second { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inside` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:245:32 [INFO] [stderr] | [INFO] [stderr] 245 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:256:32 [INFO] [stderr] | [INFO] [stderr] 256 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:355:31 [INFO] [stderr] | [INFO] [stderr] 355 | Item::Int(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:399:32 [INFO] [stderr] | [INFO] [stderr] 399 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problem2.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut test_vec = &mat1[0]; [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/problem4.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut empty_vals = vec![num_discs]; [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/problem4.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut aux_disks = Vec::new(); [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/problem4.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut dst_disks = Vec::new(); [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/rpn.rs:286:21 [INFO] [stderr] | [INFO] [stderr] 286 | let mut tf = false; [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/rpn.rs:423:21 [INFO] [stderr] | [INFO] [stderr] 423 | let mut first = self.pop()?; [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/rpn.rs:424:21 [INFO] [stderr] | [INFO] [stderr] 424 | let mut second = self.pop()?; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/problem3.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | if n < 0 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `canSwap` should have a snake case name [INFO] [stderr] --> src/problem4.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn canSwap (start: &Vec, end: &Vec) -> bool{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `can_swap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `findNext` should have a snake case name [INFO] [stderr] --> src/problem4.rs:77:4 [INFO] [stderr] | [INFO] [stderr] 77 | fn findNext (src: u32, disks: &Vec>) -> usize{ [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `find_next` [INFO] [stderr] [INFO] [stderr] warning: variable `nextP` should have a snake case name [INFO] [stderr] --> src/problem4.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | let nextP = findNext(1, &disks); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `next_p` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | stack.push(rpn::Item::Int(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | stack.push(rpn::Item::Bool(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 87 | stack.eval(rpn::Op::Add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:90:17 [INFO] [stderr] | [INFO] [stderr] 90 | stack.eval(rpn::Op::Eq); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | stack.eval(rpn::Op::Neg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | stack.eval(rpn::Op::Swap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | stack.eval(rpn::Op::Rand); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | stack.eval(rpn::Op::Cond); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | stack.eval(rpn::Op::Quit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:198:21 [INFO] [stderr] | [INFO] [stderr] 198 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:199:21 [INFO] [stderr] | [INFO] [stderr] 199 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:204:17 [INFO] [stderr] | [INFO] [stderr] 204 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:264:21 [INFO] [stderr] | [INFO] [stderr] 264 | self.push(third); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:265:21 [INFO] [stderr] | [INFO] [stderr] 265 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:266:21 [INFO] [stderr] | [INFO] [stderr] 266 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:276:21 [INFO] [stderr] | [INFO] [stderr] 276 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:323:21 [INFO] [stderr] | [INFO] [stderr] 323 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:324:21 [INFO] [stderr] | [INFO] [stderr] 324 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:329:25 [INFO] [stderr] | [INFO] [stderr] 329 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:340:25 [INFO] [stderr] | [INFO] [stderr] 340 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:366:21 [INFO] [stderr] | [INFO] [stderr] 366 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:372:21 [INFO] [stderr] | [INFO] [stderr] 372 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:376:21 [INFO] [stderr] | [INFO] [stderr] 376 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:406:21 [INFO] [stderr] | [INFO] [stderr] 406 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:414:17 [INFO] [stderr] | [INFO] [stderr] 414 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:425:17 [INFO] [stderr] | [INFO] [stderr] 425 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:426:17 [INFO] [stderr] | [INFO] [stderr] 426 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 58 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.70s [INFO] running `"docker" "inspect" "cfc4eb95fe802b7675068d2d6464f09a5261acd8087883b1f963c02533cdfecc"` [INFO] running `"docker" "rm" "-f" "cfc4eb95fe802b7675068d2d6464f09a5261acd8087883b1f963c02533cdfecc"` [INFO] [stdout] cfc4eb95fe802b7675068d2d6464f09a5261acd8087883b1f963c02533cdfecc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 10c59f400dae624c2f6b8460860818a12d0e58c052c255dbefbfb1b24d344332 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "10c59f400dae624c2f6b8460860818a12d0e58c052c255dbefbfb1b24d344332"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hw4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/problem1.rs:95:37 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn filter(vs: &Vec, pred: &Fn(i32) -> bool) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `eval` is never read [INFO] [stderr] --> src/problem1.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let mut eval = false; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p00` [INFO] [stderr] --> src/problem2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let p00 = &mat1[0][0]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_p00` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut j = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut k = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | j = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | k = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `temp_val` [INFO] [stderr] --> src/problem2.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let temp_val = &mat1[i][k] * &mat2[k][j]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/problem4.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | for x in 0..num_discs{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:226:9 [INFO] [stderr] | [INFO] [stderr] 226 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:309:9 [INFO] [stderr] | [INFO] [stderr] 309 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:179:32 [INFO] [stderr] | [INFO] [stderr] 179 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inside` [INFO] [stderr] --> src/rpn.rs:190:42 [INFO] [stderr] | [INFO] [stderr] 190 | } else if let Item::Bool(inside) = second { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inside` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:245:32 [INFO] [stderr] | [INFO] [stderr] 245 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:256:32 [INFO] [stderr] | [INFO] [stderr] 256 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:355:31 [INFO] [stderr] | [INFO] [stderr] 355 | Item::Int(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:399:32 [INFO] [stderr] | [INFO] [stderr] 399 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problem2.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut test_vec = &mat1[0]; [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/problem4.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut empty_vals = vec![num_discs]; [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/problem4.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut aux_disks = Vec::new(); [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/problem4.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut dst_disks = Vec::new(); [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/rpn.rs:286:21 [INFO] [stderr] | [INFO] [stderr] 286 | let mut tf = false; [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/rpn.rs:423:21 [INFO] [stderr] | [INFO] [stderr] 423 | let mut first = self.pop()?; [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/rpn.rs:424:21 [INFO] [stderr] | [INFO] [stderr] 424 | let mut second = self.pop()?; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/problem3.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | if n < 0 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `canSwap` should have a snake case name [INFO] [stderr] --> src/problem4.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn canSwap (start: &Vec, end: &Vec) -> bool{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `can_swap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `findNext` should have a snake case name [INFO] [stderr] --> src/problem4.rs:77:4 [INFO] [stderr] | [INFO] [stderr] 77 | fn findNext (src: u32, disks: &Vec>) -> usize{ [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `find_next` [INFO] [stderr] [INFO] [stderr] warning: variable `nextP` should have a snake case name [INFO] [stderr] --> src/problem4.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | let nextP = findNext(1, &disks); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `next_p` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | stack.push(rpn::Item::Int(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | stack.push(rpn::Item::Bool(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 87 | stack.eval(rpn::Op::Add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:90:17 [INFO] [stderr] | [INFO] [stderr] 90 | stack.eval(rpn::Op::Eq); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | stack.eval(rpn::Op::Neg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | stack.eval(rpn::Op::Swap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | stack.eval(rpn::Op::Rand); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | stack.eval(rpn::Op::Cond); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | stack.eval(rpn::Op::Quit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:198:21 [INFO] [stderr] | [INFO] [stderr] 198 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:199:21 [INFO] [stderr] | [INFO] [stderr] 199 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:204:17 [INFO] [stderr] | [INFO] [stderr] 204 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:264:21 [INFO] [stderr] | [INFO] [stderr] 264 | self.push(third); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:265:21 [INFO] [stderr] | [INFO] [stderr] 265 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:266:21 [INFO] [stderr] | [INFO] [stderr] 266 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:276:21 [INFO] [stderr] | [INFO] [stderr] 276 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:323:21 [INFO] [stderr] | [INFO] [stderr] 323 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:324:21 [INFO] [stderr] | [INFO] [stderr] 324 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:329:25 [INFO] [stderr] | [INFO] [stderr] 329 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:340:25 [INFO] [stderr] | [INFO] [stderr] 340 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:366:21 [INFO] [stderr] | [INFO] [stderr] 366 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:372:21 [INFO] [stderr] | [INFO] [stderr] 372 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:376:21 [INFO] [stderr] | [INFO] [stderr] 376 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:406:21 [INFO] [stderr] | [INFO] [stderr] 406 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:414:17 [INFO] [stderr] | [INFO] [stderr] 414 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:425:17 [INFO] [stderr] | [INFO] [stderr] 425 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:426:17 [INFO] [stderr] | [INFO] [stderr] 426 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 58 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.90s [INFO] running `"docker" "inspect" "10c59f400dae624c2f6b8460860818a12d0e58c052c255dbefbfb1b24d344332"` [INFO] running `"docker" "rm" "-f" "10c59f400dae624c2f6b8460860818a12d0e58c052c255dbefbfb1b24d344332"` [INFO] [stdout] 10c59f400dae624c2f6b8460860818a12d0e58c052c255dbefbfb1b24d344332 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] da16c01e68b2ad7276373129402b4dc624d7f3289b6a146f509286e96becd4b7 [INFO] running `"docker" "start" "-a" "da16c01e68b2ad7276373129402b4dc624d7f3289b6a146f509286e96becd4b7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/problem1.rs:95:37 [INFO] [stderr] | [INFO] [stderr] 95 | pub fn filter(vs: &Vec, pred: &Fn(i32) -> bool) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `eval` is never read [INFO] [stderr] --> src/problem1.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | let mut eval = false; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p00` [INFO] [stderr] --> src/problem2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let p00 = &mat1[0][0]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_p00` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut j = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut k = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/problem2.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | j = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `k` is never read [INFO] [stderr] --> src/problem2.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | k = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `temp_val` [INFO] [stderr] --> src/problem2.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let temp_val = &mat1[i][k] * &mat2[k][j]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/problem4.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | for x in 0..num_discs{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:226:9 [INFO] [stderr] | [INFO] [stderr] 226 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/problem4.rs:309:9 [INFO] [stderr] | [INFO] [stderr] 309 | counter = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:179:32 [INFO] [stderr] | [INFO] [stderr] 179 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inside` [INFO] [stderr] --> src/rpn.rs:190:42 [INFO] [stderr] | [INFO] [stderr] 190 | } else if let Item::Bool(inside) = second { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inside` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:245:32 [INFO] [stderr] | [INFO] [stderr] 245 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:256:32 [INFO] [stderr] | [INFO] [stderr] 256 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:355:31 [INFO] [stderr] | [INFO] [stderr] 355 | Item::Int(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/rpn.rs:399:32 [INFO] [stderr] | [INFO] [stderr] 399 | Item::Bool(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problem2.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut test_vec = &mat1[0]; [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/problem4.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut empty_vals = vec![num_discs]; [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/problem4.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut aux_disks = Vec::new(); [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/problem4.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut dst_disks = Vec::new(); [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/rpn.rs:286:21 [INFO] [stderr] | [INFO] [stderr] 286 | let mut tf = false; [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/rpn.rs:423:21 [INFO] [stderr] | [INFO] [stderr] 423 | let mut first = self.pop()?; [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/rpn.rs:424:21 [INFO] [stderr] | [INFO] [stderr] 424 | let mut second = self.pop()?; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/problem3.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | if n < 0 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `canSwap` should have a snake case name [INFO] [stderr] --> src/problem4.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn canSwap (start: &Vec, end: &Vec) -> bool{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `can_swap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `findNext` should have a snake case name [INFO] [stderr] --> src/problem4.rs:77:4 [INFO] [stderr] | [INFO] [stderr] 77 | fn findNext (src: u32, disks: &Vec>) -> usize{ [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `find_next` [INFO] [stderr] [INFO] [stderr] warning: variable `nextP` should have a snake case name [INFO] [stderr] --> src/problem4.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | let nextP = findNext(1, &disks); [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `next_p` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | stack.push(rpn::Item::Int(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | stack.push(rpn::Item::Bool(i)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:87:17 [INFO] [stderr] | [INFO] [stderr] 87 | stack.eval(rpn::Op::Add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:90:17 [INFO] [stderr] | [INFO] [stderr] 90 | stack.eval(rpn::Op::Eq); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | stack.eval(rpn::Op::Neg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | stack.eval(rpn::Op::Swap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | stack.eval(rpn::Op::Rand); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | stack.eval(rpn::Op::Cond); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | stack.eval(rpn::Op::Quit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:198:21 [INFO] [stderr] | [INFO] [stderr] 198 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:199:21 [INFO] [stderr] | [INFO] [stderr] 199 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:204:17 [INFO] [stderr] | [INFO] [stderr] 204 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:264:21 [INFO] [stderr] | [INFO] [stderr] 264 | self.push(third); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:265:21 [INFO] [stderr] | [INFO] [stderr] 265 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:266:21 [INFO] [stderr] | [INFO] [stderr] 266 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:276:21 [INFO] [stderr] | [INFO] [stderr] 276 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:323:21 [INFO] [stderr] | [INFO] [stderr] 323 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:324:21 [INFO] [stderr] | [INFO] [stderr] 324 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:329:25 [INFO] [stderr] | [INFO] [stderr] 329 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:340:25 [INFO] [stderr] | [INFO] [stderr] 340 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:366:21 [INFO] [stderr] | [INFO] [stderr] 366 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:372:21 [INFO] [stderr] | [INFO] [stderr] 372 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:376:21 [INFO] [stderr] | [INFO] [stderr] 376 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:406:21 [INFO] [stderr] | [INFO] [stderr] 406 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:414:17 [INFO] [stderr] | [INFO] [stderr] 414 | self.push(to_add); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:425:17 [INFO] [stderr] | [INFO] [stderr] 425 | self.push(first); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpn.rs:426:17 [INFO] [stderr] | [INFO] [stderr] 426 | self.push(second); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 58 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hw4-65b84a01aa4a7764 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test problem1::tests::test_dedup_1 ... ok [INFO] [stdout] test problem1::tests::test_dedup_2 ... ok [INFO] [stdout] test problem1::tests::test_dedup ... ok [INFO] [stdout] test problem1::tests::test_dedup_3 ... ok [INFO] [stdout] test problem1::tests::test_sum_1 ... ok [INFO] [stdout] test problem2::tests::test_mat_mult ... ok [INFO] [stdout] test problem1::tests::test_sum ... ok [INFO] [stdout] test problem1::tests::test_filter ... ok [INFO] [stdout] test problem3::tests::test_sieve ... ok [INFO] [stdout] test problem4::tests::test_hanoi ... ok [INFO] [stdout] test problem2::tests::test_mat_mult_bad ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "da16c01e68b2ad7276373129402b4dc624d7f3289b6a146f509286e96becd4b7"` [INFO] running `"docker" "rm" "-f" "da16c01e68b2ad7276373129402b4dc624d7f3289b6a146f509286e96becd4b7"` [INFO] [stdout] da16c01e68b2ad7276373129402b4dc624d7f3289b6a146f509286e96becd4b7