[INFO] updating cached repository av-elier/ar-hist [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/av-elier/ar-hist [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/av-elier/ar-hist" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/av-elier/ar-hist"` [INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/av-elier/ar-hist'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/av-elier/ar-hist" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/av-elier/ar-hist"` [INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/av-elier/ar-hist'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b74e78a8f86c3e68b89bf236f208aaa00d50bfd1 [INFO] sha for GitHub repo av-elier/ar-hist: b74e78a8f86c3e68b89bf236f208aaa00d50bfd1 [INFO] validating manifest of av-elier/ar-hist on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of av-elier/ar-hist on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing av-elier/ar-hist [INFO] finished frobbing av-elier/ar-hist [INFO] frobbed toml for av-elier/ar-hist written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/av-elier/ar-hist/Cargo.toml [INFO] started frobbing av-elier/ar-hist [INFO] finished frobbing av-elier/ar-hist [INFO] frobbed toml for av-elier/ar-hist written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/av-elier/ar-hist/Cargo.toml [INFO] crate av-elier/ar-hist already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking av-elier/ar-hist against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-2/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/av-elier/ar-hist:/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0735c90279a2f52564c0201d6c4206d0f33ebe4683e92ace1c4bf1854d8108f1 [INFO] running `"docker" "start" "-a" "0735c90279a2f52564c0201d6c4206d0f33ebe4683e92ace1c4bf1854d8108f1"` [INFO] [stderr] Compiling openssl-sys v0.9.24 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Checking clap v2.29.3 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking crypto-mac v0.4.0 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Checking hmac v0.4.2 [INFO] [stderr] Checking postgres-protocol v0.3.1 [INFO] [stderr] Compiling openssl v0.9.23 [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-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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] Checking tokio-core v0.1.12 [INFO] [stderr] Checking redis v0.8.0 [INFO] [stderr] Checking postgres-shared v0.4.0 [INFO] [stderr] Checking env_logger v0.5.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking postgres v0.15.1 [INFO] [stderr] Checking hyper v0.11.16 [INFO] [stderr] Checking ar-hist v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_types.rs:85:55 [INFO] [stderr] | [INFO] [stderr] 85 | fn try_lifetime_percent(&self) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [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/ar_http.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | ) -> Result, Error = HError>>, Box> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = HError>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:15:61 [INFO] [stderr] | [INFO] [stderr] 15 | ) -> Result, Error = HError>>, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | ) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:64:71 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get_ar_json_vec(status: Option<&str>) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:10:70 [INFO] [stderr] | [INFO] [stderr] 10 | fn get_key_and_value(ins: Vec) -> Result<(String, String), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:19:68 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn save_initiatives_to_redis(ins: Vec) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:37:89 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn save_initiatives_to_postgres(ins: Vec, table_name: &str) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:5:91 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn filter_spahshots(orig: Vec<(String, String)>) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:11:71 [INFO] [stderr] | [INFO] [stderr] 11 | |_: (), &(ref k, ref v): &(String, String)| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:23:65 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn merge_str(all: &str, latest: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:11:38 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new() -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:26:85 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn get_kv_postgres(&self, table: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:47:25 [INFO] [stderr] | [INFO] [stderr] 47 | ) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:71:83 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_kv_merged(&self, table: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/download.rs:10:61 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn call(matches: ArgMatches<'static>) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/download.rs:19:76 [INFO] [stderr] | [INFO] [stderr] 19 | fn download_initiatives(matches: ArgMatches<'static>) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/migrate.rs:6:52 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn call(matches: ArgMatches) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:9:52 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn call(matches: ArgMatches) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:18:66 [INFO] [stderr] | [INFO] [stderr] 18 | fn call_internal(pg: ar_pg::ArPg, table: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:137:66 [INFO] [stderr] | [INFO] [stderr] 137 | fn parse(k: String, v: String) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_types.rs:85:55 [INFO] [stderr] | [INFO] [stderr] 85 | fn try_lifetime_percent(&self) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [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/ar_http.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | ) -> Result, Error = HError>>, Box> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = HError>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:15:61 [INFO] [stderr] | [INFO] [stderr] 15 | ) -> Result, Error = HError>>, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | ) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_http.rs:64:71 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get_ar_json_vec(status: Option<&str>) -> Result, Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:10:70 [INFO] [stderr] | [INFO] [stderr] 10 | fn get_key_and_value(ins: Vec) -> Result<(String, String), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:19:68 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn save_initiatives_to_redis(ins: Vec) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_store.rs:37:89 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn save_initiatives_to_postgres(ins: Vec, table_name: &str) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:5:91 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn filter_spahshots(orig: Vec<(String, String)>) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:11:71 [INFO] [stderr] | [INFO] [stderr] 11 | |_: (), &(ref k, ref v): &(String, String)| -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_filter.rs:23:65 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn merge_str(all: &str, latest: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:11:38 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new() -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:26:85 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn get_kv_postgres(&self, table: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:47:25 [INFO] [stderr] | [INFO] [stderr] 47 | ) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ar_pg.rs:71:83 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn get_kv_merged(&self, table: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/download.rs:10:61 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn call(matches: ArgMatches<'static>) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/download.rs:19:76 [INFO] [stderr] | [INFO] [stderr] 19 | fn download_initiatives(matches: ArgMatches<'static>) -> Result<(), Box> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/migrate.rs:6:52 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn call(matches: ArgMatches) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:9:52 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn call(matches: ArgMatches) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:18:66 [INFO] [stderr] | [INFO] [stderr] 18 | fn call_internal(pg: ar_pg::ArPg, table: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/subcmds/analyze.rs:137:66 [INFO] [stderr] | [INFO] [stderr] 137 | fn parse(k: String, v: String) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/subcmds/analyze.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | let mut ess = &mut essentials[i]; [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: the feature `iterator_try_fold` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(iterator_try_fold)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/subcmds/analyze.rs:44:13 [INFO] [stderr] | [INFO] [stderr] 44 | let mut ess = &mut essentials[i]; [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: the feature `iterator_try_fold` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(iterator_try_fold)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.85s [INFO] running `"docker" "inspect" "0735c90279a2f52564c0201d6c4206d0f33ebe4683e92ace1c4bf1854d8108f1"` [INFO] running `"docker" "rm" "-f" "0735c90279a2f52564c0201d6c4206d0f33ebe4683e92ace1c4bf1854d8108f1"` [INFO] [stdout] 0735c90279a2f52564c0201d6c4206d0f33ebe4683e92ace1c4bf1854d8108f1