[INFO] updating cached repository jasonhansel/paraphrase [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jasonhansel/paraphrase [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jasonhansel/paraphrase" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jasonhansel/paraphrase"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jasonhansel/paraphrase'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jasonhansel/paraphrase" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jasonhansel/paraphrase"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jasonhansel/paraphrase'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ce446649cb3b9538fff5ad09560720368c7e7eab [INFO] sha for GitHub repo jasonhansel/paraphrase: ce446649cb3b9538fff5ad09560720368c7e7eab [INFO] validating manifest of jasonhansel/paraphrase on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jasonhansel/paraphrase on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jasonhansel/paraphrase [INFO] finished frobbing jasonhansel/paraphrase [INFO] frobbed toml for jasonhansel/paraphrase written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jasonhansel/paraphrase/Cargo.toml [INFO] started frobbing jasonhansel/paraphrase [INFO] finished frobbing jasonhansel/paraphrase [INFO] frobbed toml for jasonhansel/paraphrase written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jasonhansel/paraphrase/Cargo.toml [INFO] crate jasonhansel/paraphrase already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jasonhansel/paraphrase against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jasonhansel/paraphrase:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f33a525fed1835536c0413ffc1445f2b4f0c19bf6f9f7d4bfbc776b31bc83e85 [INFO] running `"docker" "start" "-a" "f33a525fed1835536c0413ffc1445f2b4f0c19bf6f9f7d4bfbc776b31bc83e85"` [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking paraphrase v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `IndexMut`, `Index` [INFO] [stderr] --> src/value.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | use std::ops::{Add,Index,IndexMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if let` head expression [INFO] [stderr] --> src/base.rs:201:36 [INFO] [stderr] | [INFO] [stderr] 201 | if let Some(tag) = (name_tag.get(1)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `UnwindSafe` [INFO] [stderr] --> src/expand.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | use std::panic::{UnwindSafe,AssertUnwindSafe}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/expand.rs:238:41 [INFO] [stderr] | [INFO] [stderr] 238 | self.final_join = Some(Box::new((self.handle_call(cmd, call)))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/expand.rs:407:26 [INFO] [stderr] | [INFO] [stderr] 407 | Box::new((final_join.map(|w| { [INFO] [stderr] | __________________________^ [INFO] [stderr] 408 | | match w { [INFO] [stderr] 409 | | EvalResult::Expand(new_scope, new_rope) => Loop::Continue((joins, new_scope, new_rope)), [INFO] [stderr] 410 | | EvalResult::Done(val) => { [INFO] [stderr] ... | [INFO] [stderr] 414 | | } [INFO] [stderr] 415 | | }))) as Fut> [INFO] [stderr] | |___________________^ [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 407 | Box::new(final_join.map(|w| { [INFO] [stderr] 408 | match w { [INFO] [stderr] 409 | EvalResult::Expand(new_scope, new_rope) => Loop::Continue((joins, new_scope, new_rope)), [INFO] [stderr] 410 | EvalResult::Done(val) => { [INFO] [stderr] 411 | joins.push(Box::new(ok(Rope::from_value(val)))); [INFO] [stderr] 412 | Loop::Break(joins) [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: unused import: `CpuFuture` [INFO] [stderr] --> src/main.rs:38:23 [INFO] [stderr] | [INFO] [stderr] 38 | use futures_cpupool::{CpuFuture, CpuPool}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IndexMut`, `Index` [INFO] [stderr] --> src/value.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | use std::ops::{Add,Index,IndexMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if let` head expression [INFO] [stderr] --> src/base.rs:201:36 [INFO] [stderr] | [INFO] [stderr] 201 | if let Some(tag) = (name_tag.get(1)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `UnwindSafe` [INFO] [stderr] --> src/expand.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | use std::panic::{UnwindSafe,AssertUnwindSafe}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/expand.rs:238:41 [INFO] [stderr] | [INFO] [stderr] 238 | self.final_join = Some(Box::new((self.handle_call(cmd, call)))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/expand.rs:407:26 [INFO] [stderr] | [INFO] [stderr] 407 | Box::new((final_join.map(|w| { [INFO] [stderr] | __________________________^ [INFO] [stderr] 408 | | match w { [INFO] [stderr] 409 | | EvalResult::Expand(new_scope, new_rope) => Loop::Continue((joins, new_scope, new_rope)), [INFO] [stderr] 410 | | EvalResult::Done(val) => { [INFO] [stderr] ... | [INFO] [stderr] 414 | | } [INFO] [stderr] 415 | | }))) as Fut> [INFO] [stderr] | |___________________^ [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 407 | Box::new(final_join.map(|w| { [INFO] [stderr] 408 | match w { [INFO] [stderr] 409 | EvalResult::Expand(new_scope, new_rope) => Loop::Continue((joins, new_scope, new_rope)), [INFO] [stderr] 410 | EvalResult::Done(val) => { [INFO] [stderr] 411 | joins.push(Box::new(ok(Rope::from_value(val)))); [INFO] [stderr] 412 | Loop::Break(joins) [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: unused import: `CpuFuture` [INFO] [stderr] --> src/main.rs:38:23 [INFO] [stderr] | [INFO] [stderr] 38 | use futures_cpupool::{CpuFuture, CpuPool}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/value.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let range = self.range.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/value.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let range = self.range.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_scope` [INFO] [stderr] --> src/expand.rs:306:25 [INFO] [stderr] | [INFO] [stderr] 306 | let new_scope = scope.clone(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_scope` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/expand.rs:385:9 [INFO] [stderr] | [INFO] [stderr] 385 | let id = rand::random::(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_scope` [INFO] [stderr] --> src/expand.rs:306:25 [INFO] [stderr] | [INFO] [stderr] 306 | let new_scope = scope.clone(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_new_scope` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scope` [INFO] [stderr] --> src/expand.rs:186:17 [INFO] [stderr] | [INFO] [stderr] 186 | let scope = self.scope.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_scope` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool2` [INFO] [stderr] --> src/expand.rs:187:17 [INFO] [stderr] | [INFO] [stderr] 187 | let pool2 = self.pool.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pool2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scope` [INFO] [stderr] --> src/expand.rs:179:54 [INFO] [stderr] | [INFO] [stderr] 179 | fn end_command(&mut self, cmd: Vec, scope: Arc) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_scope` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/expand.rs:385:9 [INFO] [stderr] | [INFO] [stderr] 385 | let id = rand::random::(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scope` [INFO] [stderr] --> src/expand.rs:186:17 [INFO] [stderr] | [INFO] [stderr] 186 | let scope = self.scope.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_scope` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool2` [INFO] [stderr] --> src/expand.rs:187:17 [INFO] [stderr] | [INFO] [stderr] 187 | let pool2 = self.pool.clone(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pool2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scope` [INFO] [stderr] --> src/expand.rs:179:54 [INFO] [stderr] | [INFO] [stderr] 179 | fn end_command(&mut self, cmd: Vec, scope: Arc) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_scope` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/scope.rs:196:41 [INFO] [stderr] | [INFO] [stderr] 196 | code(args.into_iter().map(|mut x| { x }).collect()) [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/scope.rs:196:41 [INFO] [stderr] | [INFO] [stderr] 196 | code(args.into_iter().map(|mut x| { x }).collect()) [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/base.rs:116:87 [INFO] [stderr] | [INFO] [stderr] 116 | (Some(Str(n)), Some(Str(replacement)), Some(Closure(ValueClosure(inner_scope, mut h))), None, ..) => { [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/base.rs:116:87 [INFO] [stderr] | [INFO] [stderr] 116 | (Some(Str(n)), Some(Str(replacement)), Some(Closure(ValueClosure(inner_scope, mut h))), None, ..) => { [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/expand.rs:220:29 [INFO] [stderr] | [INFO] [stderr] 220 | fn raw_param(&mut self, mut rope: Rope) { [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/expand.rs:227:54 [INFO] [stderr] | [INFO] [stderr] 227 | fn semi_param(&mut self, stack: Vec, mut rope: Rope, cmd: Vec) { [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/expand.rs:240:24 [INFO] [stderr] | [INFO] [stderr] 240 | fn text(&mut self, mut rope: Rope) { [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/expand.rs:389:92 [INFO] [stderr] | [INFO] [stderr] 389 | loop_fn(( (vec![] as Vec>), _scope, _rope), move |(mut joins, mut scope, mut rope)| { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/value.rs:356:9 [INFO] [stderr] | [INFO] [stderr] 356 | write!(f, "CODE<"); [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] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: static variable `latest_tag` should have an upper case name [INFO] [stderr] --> src/scope.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | static latest_tag : AtomicUsize = AtomicUsize::new(0); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `LATEST_TAG` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/expand.rs:220:29 [INFO] [stderr] | [INFO] [stderr] 220 | fn raw_param(&mut self, mut rope: Rope) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scope.rs:40:76 [INFO] [stderr] | [INFO] [stderr] 40 | &User(ref s, _, ref v) => { write!(f, "params (")?; s.fmt(f)?; write!(f, ") in "); v.fmt(f) }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/expand.rs:227:54 [INFO] [stderr] | [INFO] [stderr] 227 | fn semi_param(&mut self, stack: Vec, mut rope: Rope, cmd: Vec) { [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/expand.rs:240:24 [INFO] [stderr] | [INFO] [stderr] 240 | fn text(&mut self, mut rope: Rope) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | file.read_to_string(&mut s); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/expand.rs:389:92 [INFO] [stderr] | [INFO] [stderr] 389 | loop_fn(( (vec![] as Vec>), _scope, _rope), move |(mut joins, mut scope, mut rope)| { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/value.rs:356:9 [INFO] [stderr] | [INFO] [stderr] 356 | write!(f, "CODE<"); [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] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: static variable `latest_tag` should have an upper case name [INFO] [stderr] --> src/scope.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | static latest_tag : AtomicUsize = AtomicUsize::new(0); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `LATEST_TAG` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scope.rs:40:76 [INFO] [stderr] | [INFO] [stderr] 40 | &User(ref s, _, ref v) => { write!(f, "params (")?; s.fmt(f)?; write!(f, ") in "); v.fmt(f) }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | file.read_to_string(&mut s); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `"docker" "inspect" "f33a525fed1835536c0413ffc1445f2b4f0c19bf6f9f7d4bfbc776b31bc83e85"` [INFO] running `"docker" "rm" "-f" "f33a525fed1835536c0413ffc1445f2b4f0c19bf6f9f7d4bfbc776b31bc83e85"` [INFO] [stdout] f33a525fed1835536c0413ffc1445f2b4f0c19bf6f9f7d4bfbc776b31bc83e85