[INFO] updating cached repository thomaswall/tank-hunter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/thomaswall/tank-hunter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/thomaswall/tank-hunter" "work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/thomaswall/tank-hunter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomaswall/tank-hunter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomaswall/tank-hunter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cc1f020230102ee5daae479d419411fec2a6d418 [INFO] sha for GitHub repo thomaswall/tank-hunter: cc1f020230102ee5daae479d419411fec2a6d418 [INFO] validating manifest of thomaswall/tank-hunter 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 thomaswall/tank-hunter 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 thomaswall/tank-hunter [INFO] finished frobbing thomaswall/tank-hunter [INFO] frobbed toml for thomaswall/tank-hunter written to work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter/Cargo.toml [INFO] started frobbing thomaswall/tank-hunter [INFO] finished frobbing thomaswall/tank-hunter [INFO] frobbed toml for thomaswall/tank-hunter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thomaswall/tank-hunter/Cargo.toml [INFO] crate thomaswall/tank-hunter 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 thomaswall/tank-hunter 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter:/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] 99d7469fcdbde8a09842dc0c75d0ae2412ad40dd660f0f8fa99fb06ee3d2875b [INFO] running `"docker" "start" "-a" "99d7469fcdbde8a09842dc0c75d0ae2412ad40dd660f0f8fa99fb06ee3d2875b"` [INFO] [stderr] Compiling siphasher v0.2.0 [INFO] [stderr] Compiling unicode-normalization v0.1.3 [INFO] [stderr] Compiling bit-vec v0.4.3 [INFO] [stderr] Compiling unicode-bidi v0.2.4 [INFO] [stderr] Compiling unsafe-any v0.4.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling hpack v0.2.0 [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling futf v0.1.2 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling tendril v0.2.3 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling string_cache v0.2.29 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling solicit v0.4.4 [INFO] [stderr] Compiling idna v0.1.0 [INFO] [stderr] Compiling html5ever v0.5.4 [INFO] [stderr] Compiling url v1.3.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.3.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling cookie v0.2.5 [INFO] [stderr] Compiling hyper v0.10.0 [INFO] [stderr] Compiling classifier v0.0.3 [INFO] [stderr] Compiling hyper v0.9.14 [INFO] [stderr] Compiling select v0.3.0 [INFO] [stderr] Compiling iron v0.4.0 [INFO] [stderr] Compiling router v0.4.0 [INFO] [stderr] Compiling tank-hunter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Attr`, `Predicate` [INFO] [stderr] --> src/main.rs:25:25 [INFO] [stderr] | [INFO] [stderr] 25 | use select::predicate::{Predicate, Attr, Class, Name}; [INFO] [stderr] | ^^^^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `JSON_CONTAINER` should have an upper camel case name [INFO] [stderr] --> src/main.rs:63:12 [INFO] [stderr] | [INFO] [stderr] 63 | pub struct JSON_CONTAINER { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `JsonContainer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:113:21 [INFO] [stderr] | [INFO] [stderr] 113 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `nb` is never read [INFO] [stderr] --> src/main.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut nb = Arc::new(Mutex::new(NaiveBayes::new())); [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: `err` [INFO] [stderr] --> src/main.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | Err(err) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:188:21 [INFO] [stderr] | [INFO] [stderr] 188 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/main.rs:209:14 [INFO] [stderr] | [INFO] [stderr] 209 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:209:21 [INFO] [stderr] | [INFO] [stderr] 209 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_time` [INFO] [stderr] --> src/main.rs:244:17 [INFO] [stderr] | [INFO] [stderr] 244 | let new_time = time::get_time().sec; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_new_time` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/main.rs:335:13 [INFO] [stderr] | [INFO] [stderr] 335 | let body = block.find(Name("blockquote")).first().unwrap().text(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:370:17 [INFO] [stderr] | [INFO] [stderr] 370 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:378:17 [INFO] [stderr] | [INFO] [stderr] 378 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:203:25 [INFO] [stderr] | [INFO] [stderr] 203 | let mut listings = get_listings_on_page(document); [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/main.rs:260:9 [INFO] [stderr] | [INFO] [stderr] 260 | let mut all_links : Vec = json::decode(&st).unwrap(); [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/main.rs:381:13 [INFO] [stderr] | [INFO] [stderr] 381 | let mut nb2 = NaiveBayes::from_json(&s); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: structure field `allMsgs` should have a snake case name [INFO] [stderr] --> src/main.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | allMsgs: &'a Vec [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `all_msgs` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | f.read_to_string(&mut model); [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: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:111:21 [INFO] [stderr] | [INFO] [stderr] 111 | f.write_all(trained_content.as_bytes()); [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/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | f.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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:258:5 [INFO] [stderr] | [INFO] [stderr] 258 | ft.read_to_string(&mut st); [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/main.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | f.write(jsons.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: function `goGetEm` should have a snake case name [INFO] [stderr] --> src/main.rs:323:8 [INFO] [stderr] | [INFO] [stderr] 323 | fn goGetEm(extension: String, nb: NaiveBayes) -> String { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `go_get_em` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:368:17 [INFO] [stderr] | [INFO] [stderr] 368 | f.write_all(trained_content.as_bytes()); [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/main.rs:374:9 [INFO] [stderr] | [INFO] [stderr] 374 | / match File::open("foo.txt") { [INFO] [stderr] 375 | | Ok(mut f) => { [INFO] [stderr] 376 | | f.read_to_string(&mut s) [INFO] [stderr] 377 | | } [INFO] [stderr] 378 | | Err(err) => panic!("Unable to open file!") [INFO] [stderr] 379 | | }; [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 55.32s [INFO] running `"docker" "inspect" "99d7469fcdbde8a09842dc0c75d0ae2412ad40dd660f0f8fa99fb06ee3d2875b"` [INFO] running `"docker" "rm" "-f" "99d7469fcdbde8a09842dc0c75d0ae2412ad40dd660f0f8fa99fb06ee3d2875b"` [INFO] [stdout] 99d7469fcdbde8a09842dc0c75d0ae2412ad40dd660f0f8fa99fb06ee3d2875b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter:/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] c8927bd7fe7a838d2bffc95c9c908e446e83cb37fe3d16f86ab65290df495d63 [INFO] running `"docker" "start" "-a" "c8927bd7fe7a838d2bffc95c9c908e446e83cb37fe3d16f86ab65290df495d63"` [INFO] [stderr] Compiling tank-hunter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Attr`, `Predicate` [INFO] [stderr] --> src/main.rs:25:25 [INFO] [stderr] | [INFO] [stderr] 25 | use select::predicate::{Predicate, Attr, Class, Name}; [INFO] [stderr] | ^^^^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `JSON_CONTAINER` should have an upper camel case name [INFO] [stderr] --> src/main.rs:63:12 [INFO] [stderr] | [INFO] [stderr] 63 | pub struct JSON_CONTAINER { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `JsonContainer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:113:21 [INFO] [stderr] | [INFO] [stderr] 113 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `nb` is never read [INFO] [stderr] --> src/main.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | let mut nb = Arc::new(Mutex::new(NaiveBayes::new())); [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: `err` [INFO] [stderr] --> src/main.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | Err(err) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:188:21 [INFO] [stderr] | [INFO] [stderr] 188 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/main.rs:209:14 [INFO] [stderr] | [INFO] [stderr] 209 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/main.rs:209:21 [INFO] [stderr] | [INFO] [stderr] 209 | for (index, value) in (0..max).enumerate() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_time` [INFO] [stderr] --> src/main.rs:244:17 [INFO] [stderr] | [INFO] [stderr] 244 | let new_time = time::get_time().sec; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_new_time` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/main.rs:335:13 [INFO] [stderr] | [INFO] [stderr] 335 | let body = block.find(Name("blockquote")).first().unwrap().text(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:370:17 [INFO] [stderr] | [INFO] [stderr] 370 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:378:17 [INFO] [stderr] | [INFO] [stderr] 378 | Err(err) => panic!("Unable to open file!") [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:203:25 [INFO] [stderr] | [INFO] [stderr] 203 | let mut listings = get_listings_on_page(document); [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/main.rs:260:9 [INFO] [stderr] | [INFO] [stderr] 260 | let mut all_links : Vec = json::decode(&st).unwrap(); [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/main.rs:381:13 [INFO] [stderr] | [INFO] [stderr] 381 | let mut nb2 = NaiveBayes::from_json(&s); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: structure field `allMsgs` should have a snake case name [INFO] [stderr] --> src/main.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | allMsgs: &'a Vec [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `all_msgs` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | f.read_to_string(&mut model); [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: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:111:21 [INFO] [stderr] | [INFO] [stderr] 111 | f.write_all(trained_content.as_bytes()); [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/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | f.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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:258:5 [INFO] [stderr] | [INFO] [stderr] 258 | ft.read_to_string(&mut st); [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/main.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | f.write(jsons.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: function `goGetEm` should have a snake case name [INFO] [stderr] --> src/main.rs:323:8 [INFO] [stderr] | [INFO] [stderr] 323 | fn goGetEm(extension: String, nb: NaiveBayes) -> String { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `go_get_em` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:368:17 [INFO] [stderr] | [INFO] [stderr] 368 | f.write_all(trained_content.as_bytes()); [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/main.rs:374:9 [INFO] [stderr] | [INFO] [stderr] 374 | / match File::open("foo.txt") { [INFO] [stderr] 375 | | Ok(mut f) => { [INFO] [stderr] 376 | | f.read_to_string(&mut s) [INFO] [stderr] 377 | | } [INFO] [stderr] 378 | | Err(err) => panic!("Unable to open file!") [INFO] [stderr] 379 | | }; [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 0.97s [INFO] running `"docker" "inspect" "c8927bd7fe7a838d2bffc95c9c908e446e83cb37fe3d16f86ab65290df495d63"` [INFO] running `"docker" "rm" "-f" "c8927bd7fe7a838d2bffc95c9c908e446e83cb37fe3d16f86ab65290df495d63"` [INFO] [stdout] c8927bd7fe7a838d2bffc95c9c908e446e83cb37fe3d16f86ab65290df495d63 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thomaswall/tank-hunter:/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] 0adff9fa4e2de1c0670b0428efdee802b4c8f0b751956ea116020f50c364959f [INFO] running `"docker" "start" "-a" "0adff9fa4e2de1c0670b0428efdee802b4c8f0b751956ea116020f50c364959f"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/tank_hunter-df65a8228c840c7a [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "0adff9fa4e2de1c0670b0428efdee802b4c8f0b751956ea116020f50c364959f"` [INFO] running `"docker" "rm" "-f" "0adff9fa4e2de1c0670b0428efdee802b4c8f0b751956ea116020f50c364959f"` [INFO] [stdout] 0adff9fa4e2de1c0670b0428efdee802b4c8f0b751956ea116020f50c364959f