[INFO] updating cached repository fourohfour/richter [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/fourohfour/richter [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/fourohfour/richter" "work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/fourohfour/richter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fourohfour/richter"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fourohfour/richter'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7b65468e4f61141898cd67005b1f2ac5eb5b2002 [INFO] sha for GitHub repo fourohfour/richter: 7b65468e4f61141898cd67005b1f2ac5eb5b2002 [INFO] validating manifest of fourohfour/richter on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fourohfour/richter on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fourohfour/richter [INFO] finished frobbing fourohfour/richter [INFO] frobbed toml for fourohfour/richter written to work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter/Cargo.toml [INFO] started frobbing fourohfour/richter [INFO] finished frobbing fourohfour/richter [INFO] frobbed toml for fourohfour/richter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fourohfour/richter/Cargo.toml [INFO] crate fourohfour/richter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing fourohfour/richter against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] d08253904dc99f67d50e809471896a492a1f0138ac60847458e27478657ef882 [INFO] running `"docker" "start" "-a" "d08253904dc99f67d50e809471896a492a1f0138ac60847458e27478657ef882"` [INFO] [stderr] Compiling openssl v0.9.7 [INFO] [stderr] Compiling quote v0.3.12 [INFO] [stderr] Compiling serde v0.9.7 [INFO] [stderr] Compiling openssl-sys v0.9.7 [INFO] [stderr] Compiling num_cpus v1.2.1 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling hyper v0.10.4 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] Compiling syn v0.11.4 [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-1.4.0/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] [INFO] [stderr] Compiling serde_codegen_internals v0.13.0 [INFO] [stderr] Compiling serde_derive v0.9.7 [INFO] [stderr] Compiling native-tls v0.1.1 [INFO] [stderr] Compiling hyper-native-tls v0.2.2 [INFO] [stderr] Compiling serde_json v0.9.6 [INFO] [stderr] Compiling serde_urlencoded v0.4.2 [INFO] [stderr] Compiling reqwest v0.4.0 [INFO] [stderr] Compiling richter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `YamlEmitter` [INFO] [stderr] --> src/enroll.rs:8:35 [INFO] [stderr] | [INFO] [stderr] 8 | use self::yaml_rust::{YamlLoader, YamlEmitter, Yaml}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `calendar` [INFO] [stderr] --> src/enroll.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use calendar; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/main.rs:24:20 [INFO] [stderr] | [INFO] [stderr] 24 | let mut home = env::home_dir().expect("No Home Dir!"); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/main.rs:34:20 [INFO] [stderr] | [INFO] [stderr] 34 | let mut home = env::home_dir().expect("No Home Dir!"); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `command` [INFO] [stderr] --> src/main.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | fn pull_command(command: &command::Command) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_command` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field` [INFO] [stderr] --> src/interface.rs:36:49 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_field` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `activity` [INFO] [stderr] --> src/interface.rs:36:62 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_activity` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field_name` [INFO] [stderr] --> src/interface.rs:36:78 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_field_name` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/calendar.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | fn load(mut file : File) -> Result, output::Message> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `path` [INFO] [stderr] --> src/calendar.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 176 | path : String , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `enrollments` [INFO] [stderr] --> src/calendar.rs:177:5 [INFO] [stderr] | [INFO] [stderr] 177 | enrollments : Vec , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cache` [INFO] [stderr] --> src/calendar.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | cache : Option , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `file_cache` [INFO] [stderr] --> src/calendar.rs:203:5 [INFO] [stderr] | [INFO] [stderr] 203 | fn file_cache(path : &PathBuf) -> Result, output::Message> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_any_cache` [INFO] [stderr] --> src/calendar.rs:235:5 [INFO] [stderr] | [INFO] [stderr] 235 | fn load_any_cache(path: &PathBuf, enrollments: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/calendar.rs:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | pub fn load(path: &PathBuf) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_subdomain` [INFO] [stderr] --> src/enroll.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_subdomain<'a>(&'a self) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_school_id` [INFO] [stderr] --> src/enroll.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn get_school_id<'a>(&self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_class` [INFO] [stderr] --> src/enroll.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn get_class<'a>(&'a self) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error` [INFO] [stderr] --> src/output.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn error(&self) -> ! { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_calendar` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn get_calendar() -> calendar::Calendar { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/calendar.rs:210:27 [INFO] [stderr] | [INFO] [stderr] 210 | fs::remove_file(path); [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] Finished dev [unoptimized + debuginfo] target(s) in 20.20s [INFO] running `"docker" "inspect" "d08253904dc99f67d50e809471896a492a1f0138ac60847458e27478657ef882"` [INFO] running `"docker" "rm" "-f" "d08253904dc99f67d50e809471896a492a1f0138ac60847458e27478657ef882"` [INFO] [stdout] d08253904dc99f67d50e809471896a492a1f0138ac60847458e27478657ef882 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 4d5e81d9da8ca89e345ea6df01dec1e208f58312f247592cbbe00e0f8fa82392 [INFO] running `"docker" "start" "-a" "4d5e81d9da8ca89e345ea6df01dec1e208f58312f247592cbbe00e0f8fa82392"` [INFO] [stderr] Compiling richter v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `YamlEmitter` [INFO] [stderr] --> src/enroll.rs:8:35 [INFO] [stderr] | [INFO] [stderr] 8 | use self::yaml_rust::{YamlLoader, YamlEmitter, Yaml}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `calendar` [INFO] [stderr] --> src/enroll.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use calendar; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/main.rs:24:20 [INFO] [stderr] | [INFO] [stderr] 24 | let mut home = env::home_dir().expect("No Home Dir!"); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead. [INFO] [stderr] --> src/main.rs:34:20 [INFO] [stderr] | [INFO] [stderr] 34 | let mut home = env::home_dir().expect("No Home Dir!"); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `command` [INFO] [stderr] --> src/main.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | fn pull_command(command: &command::Command) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_command` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field` [INFO] [stderr] --> src/interface.rs:36:49 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_field` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `activity` [INFO] [stderr] --> src/interface.rs:36:62 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_activity` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field_name` [INFO] [stderr] --> src/interface.rs:36:78 [INFO] [stderr] | [INFO] [stderr] 36 | fn get_optional_string_field(json: &json::Json, field: &str, activity: &str, field_name: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_field_name` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/calendar.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | fn load(mut file : File) -> Result, output::Message> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `path` [INFO] [stderr] --> src/calendar.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 176 | path : String , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `enrollments` [INFO] [stderr] --> src/calendar.rs:177:5 [INFO] [stderr] | [INFO] [stderr] 177 | enrollments : Vec , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cache` [INFO] [stderr] --> src/calendar.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | cache : Option , [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `file_cache` [INFO] [stderr] --> src/calendar.rs:203:5 [INFO] [stderr] | [INFO] [stderr] 203 | fn file_cache(path : &PathBuf) -> Result, output::Message> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_any_cache` [INFO] [stderr] --> src/calendar.rs:235:5 [INFO] [stderr] | [INFO] [stderr] 235 | fn load_any_cache(path: &PathBuf, enrollments: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load` [INFO] [stderr] --> src/calendar.rs:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | pub fn load(path: &PathBuf) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_subdomain` [INFO] [stderr] --> src/enroll.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_subdomain<'a>(&'a self) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_school_id` [INFO] [stderr] --> src/enroll.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn get_school_id<'a>(&self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_class` [INFO] [stderr] --> src/enroll.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn get_class<'a>(&'a self) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error` [INFO] [stderr] --> src/output.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn error(&self) -> ! { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_calendar` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn get_calendar() -> calendar::Calendar { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/calendar.rs:210:27 [INFO] [stderr] | [INFO] [stderr] 210 | fs::remove_file(path); [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] Finished dev [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `"docker" "inspect" "4d5e81d9da8ca89e345ea6df01dec1e208f58312f247592cbbe00e0f8fa82392"` [INFO] running `"docker" "rm" "-f" "4d5e81d9da8ca89e345ea6df01dec1e208f58312f247592cbbe00e0f8fa82392"` [INFO] [stdout] 4d5e81d9da8ca89e345ea6df01dec1e208f58312f247592cbbe00e0f8fa82392 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/fourohfour/richter:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] f0e4e8878b158a5742fc2f49f502213df748caca6918b57946dd5fe30b5cf18d [INFO] running `"docker" "start" "-a" "f0e4e8878b158a5742fc2f49f502213df748caca6918b57946dd5fe30b5cf18d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/richter-ab6f1ae99d990193 [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" "f0e4e8878b158a5742fc2f49f502213df748caca6918b57946dd5fe30b5cf18d"` [INFO] running `"docker" "rm" "-f" "f0e4e8878b158a5742fc2f49f502213df748caca6918b57946dd5fe30b5cf18d"` [INFO] [stdout] f0e4e8878b158a5742fc2f49f502213df748caca6918b57946dd5fe30b5cf18d