[INFO] updating cached repository cvent/hogan [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cvent/hogan [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cvent/hogan" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cvent/hogan"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cvent/hogan'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cvent/hogan" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cvent/hogan"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cvent/hogan'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d74bb887c112900bad817458f9d7c8d79529059c [INFO] sha for GitHub repo cvent/hogan: d74bb887c112900bad817458f9d7c8d79529059c [INFO] validating manifest of cvent/hogan on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cvent/hogan on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cvent/hogan [INFO] finished frobbing cvent/hogan [INFO] frobbed toml for cvent/hogan written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cvent/hogan/Cargo.toml [INFO] started frobbing cvent/hogan [INFO] finished frobbing cvent/hogan [INFO] frobbed toml for cvent/hogan written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cvent/hogan/Cargo.toml [INFO] crate cvent/hogan already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cvent/hogan against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cvent/hogan:/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bb891779a28a419916e8169d0241d6484ccf0c5d6f1063f2e6453465cf2100eb [INFO] running `"docker" "start" "-a" "bb891779a28a419916e8169d0241d6484ccf0c5d6f1063f2e6453465cf2100eb"` [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking predicates-core v0.9.0 [INFO] [stderr] Checking shellexpand v1.0.0 [INFO] [stderr] Compiling libz-sys v1.0.23 [INFO] [stderr] Compiling openssl-sys v0.9.36 [INFO] [stderr] Compiling miniz_oxide_c_api v0.1.3 [INFO] [stderr] Compiling bzip2-sys v0.1.6 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling curl-sys v0.4.12 [INFO] [stderr] Compiling libgit2-sys v0.7.10 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.1.3 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking predicates-tree v0.9.0 [INFO] [stderr] Checking msdos_time v0.1.6 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking tempfile v3.0.4 [INFO] [stderr] Checking dir-diff v0.3.1 [INFO] [stderr] Checking memchr v2.1.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking backtrace-sys v0.1.24 [INFO] [stderr] Checking brotli-sys v0.3.2 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking gzip-header v0.1.2 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking tiny_http v0.6.0 [INFO] [stderr] Checking stderrlog v0.4.1 [INFO] [stderr] Checking regex v1.0.5 [INFO] [stderr] Checking flate2 v1.0.2 [INFO] [stderr] Compiling mime_guess v1.8.6 [INFO] [stderr] Compiling syn v0.15.6 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking zip v0.4.2 [INFO] [stderr] Checking predicates v0.9.0 [INFO] [stderr] Checking multipart v0.13.6 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling structopt-derive v0.2.10 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking structopt v0.2.10 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking serde_json v1.0.31 [INFO] [stderr] Checking treediff v3.0.1 [INFO] [stderr] Checking rouille v2.2.0 [INFO] [stderr] Checking escargot v0.3.1 [INFO] [stderr] Checking handlebars v1.0.4 [INFO] [stderr] Checking json-patch v0.2.2 [INFO] [stderr] Checking assert_cmd v0.9.1 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking hogan v0.2.10 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config.rs:188:55 [INFO] [stderr] | [INFO] [stderr] 188 | fn find_environments(&self, filter: Regex) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config.rs:197:45 [INFO] [stderr] | [INFO] [stderr] 197 | fn find_environment_types(&self) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_comma_delimited_list.rs:18:19 [INFO] [stderr] | [INFO] [stderr] 18 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_equal.rs:13:19 [INFO] [stderr] | [INFO] [stderr] 13 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_lowercase.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_or.rs:13:19 [INFO] [stderr] | [INFO] [stderr] 13 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_add_slash.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_rm_path.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_rm_slash.rs:15:19 [INFO] [stderr] | [INFO] [stderr] 15 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_yaml_string.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:29:59 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn find_file_paths(path: &Path, filter: Regex) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config.rs:188:55 [INFO] [stderr] | [INFO] [stderr] 188 | fn find_environments(&self, filter: Regex) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/config.rs:197:45 [INFO] [stderr] | [INFO] [stderr] 197 | fn find_environment_types(&self) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_comma_delimited_list.rs:18:19 [INFO] [stderr] | [INFO] [stderr] 18 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_equal.rs:13:19 [INFO] [stderr] | [INFO] [stderr] 13 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_lowercase.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_or.rs:13:19 [INFO] [stderr] | [INFO] [stderr] 13 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_add_slash.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_rm_path.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_url_rm_slash.rs:15:19 [INFO] [stderr] | [INFO] [stderr] 15 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/transform/helper_yaml_string.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | out: &mut Output, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:29:59 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn find_file_paths(path: &Path, filter: Regex) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'failure::core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/config.rs:35:47 [INFO] [stderr] | [INFO] [stderr] 35 | path: PathBuf::from(s.trim_left_matches("file://")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'failure::core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/config.rs:35:47 [INFO] [stderr] | [INFO] [stderr] 35 | path: PathBuf::from(s.trim_left_matches("file://")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/config.rs:38:25 [INFO] [stderr] | [INFO] [stderr] 38 | let mut path_segments = url [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/config.rs:38:25 [INFO] [stderr] | [INFO] [stderr] 38 | let mut path_segments = url [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:165:17 [INFO] [stderr] | [INFO] [stderr] 165 | let mut handlebars = hogan::transform::handlebars(common.strict); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:178:21 [INFO] [stderr] | [INFO] [stderr] 178 | for mut template in &mut templates { [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:208:17 [INFO] [stderr] | [INFO] [stderr] 208 | let mut handlebars = hogan::transform::handlebars(common.strict); [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:212:17 [INFO] [stderr] | [INFO] [stderr] 212 | let mut environments = RwLock::new(config_dir.find(Regex::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/main.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut config_dir = Mutex::new(config_dir); [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:165:17 [INFO] [stderr] | [INFO] [stderr] 165 | let mut handlebars = hogan::transform::handlebars(common.strict); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![warn(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:178:21 [INFO] [stderr] | [INFO] [stderr] 178 | for mut template in &mut templates { [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:208:17 [INFO] [stderr] | [INFO] [stderr] 208 | let mut handlebars = hogan::transform::handlebars(common.strict); [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:212:17 [INFO] [stderr] | [INFO] [stderr] 212 | let mut environments = RwLock::new(config_dir.find(Regex::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/main.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | let mut config_dir = Mutex::new(config_dir); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 06s [INFO] running `"docker" "inspect" "bb891779a28a419916e8169d0241d6484ccf0c5d6f1063f2e6453465cf2100eb"` [INFO] running `"docker" "rm" "-f" "bb891779a28a419916e8169d0241d6484ccf0c5d6f1063f2e6453465cf2100eb"` [INFO] [stdout] bb891779a28a419916e8169d0241d6484ccf0c5d6f1063f2e6453465cf2100eb