[INFO] crate serde_transit 0.1.0 is already in cache [INFO] extracting crate serde_transit 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_transit/0.1.0 [INFO] extracting crate serde_transit 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_transit/0.1.0 [INFO] validating manifest of serde_transit-0.1.0 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 serde_transit-0.1.0 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 serde_transit-0.1.0 [INFO] finished frobbing serde_transit-0.1.0 [INFO] frobbed toml for serde_transit-0.1.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_transit/0.1.0/Cargo.toml [INFO] started frobbing serde_transit-0.1.0 [INFO] finished frobbing serde_transit-0.1.0 [INFO] frobbed toml for serde_transit-0.1.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_transit/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking serde_transit-0.1.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_transit/0.1.0:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 561cb88688f04a69cf64be315409dc039fecaf7b0806bc414905df80ba7b34a7 [INFO] running `"docker" "start" "-a" "561cb88688f04a69cf64be315409dc039fecaf7b0806bc414905df80ba7b34a7"` [INFO] [stderr] Checking serde_transit v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | ch @ '0'...'9' => T::from(ch as u8 - b'0'), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:86:30 [INFO] [stderr] | [INFO] [stderr] 86 | Some(ch @ '0'...'9') => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:139:16 [INFO] [stderr] | [INFO] [stderr] 139 | '0'...'9' => self.deserialize_u64(visitor), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/error.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | fn from(e: json::Error) -> Error { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:234:28 [INFO] [stderr] | [INFO] [stderr] 234 | fn serialize_seq(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:243:30 [INFO] [stderr] | [INFO] [stderr] 243 | fn serialize_tuple(self, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:250:31 [INFO] [stderr] | [INFO] [stderr] 250 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:251:31 [INFO] [stderr] | [INFO] [stderr] 251 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:260:32 [INFO] [stderr] | [INFO] [stderr] 260 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:261:32 [INFO] [stderr] | [INFO] [stderr] 261 | variant_index: u32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:262:32 [INFO] [stderr] | [INFO] [stderr] 262 | variant: &'static str, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:263:32 [INFO] [stderr] | [INFO] [stderr] 263 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:269:28 [INFO] [stderr] | [INFO] [stderr] 269 | fn serialize_map(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:287:33 [INFO] [stderr] | [INFO] [stderr] 287 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:288:33 [INFO] [stderr] | [INFO] [stderr] 288 | variant_index: u32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:289:33 [INFO] [stderr] | [INFO] [stderr] 289 | variant: &'static str, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:290:33 [INFO] [stderr] | [INFO] [stderr] 290 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:314:40 [INFO] [stderr] | [INFO] [stderr] 314 | fn serialize_element(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:331:40 [INFO] [stderr] | [INFO] [stderr] 331 | fn serialize_element(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:347:38 [INFO] [stderr] | [INFO] [stderr] 347 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:371:38 [INFO] [stderr] | [INFO] [stderr] 371 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:402:36 [INFO] [stderr] | [INFO] [stderr] 402 | fn serialize_key(&mut self, key: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:411:38 [INFO] [stderr] | [INFO] [stderr] 411 | fn serialize_value(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:448:38 [INFO] [stderr] | [INFO] [stderr] 448 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:448:57 [INFO] [stderr] | [INFO] [stderr] 448 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:54:32 [INFO] [stderr] | [INFO] [stderr] 54 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | ch @ '0'...'9' => T::from(ch as u8 - b'0'), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:86:30 [INFO] [stderr] | [INFO] [stderr] 86 | Some(ch @ '0'...'9') => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/de.rs:139:16 [INFO] [stderr] | [INFO] [stderr] 139 | '0'...'9' => self.deserialize_u64(visitor), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: private trait `ser::Formatter` in public interface (error E0445) [INFO] [stderr] --> src/ser.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | / impl<'a, W, F> ser::Serializer for &'a mut Serializer [INFO] [stderr] 58 | | where W: io::Write, [INFO] [stderr] 59 | | F: Formatter [INFO] [stderr] 60 | | { [INFO] [stderr] ... | [INFO] [stderr] 293 | | } [INFO] [stderr] 294 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: private trait `ser::Formatter` in public interface (error E0445) [INFO] [stderr] --> src/ser.rs:424:1 [INFO] [stderr] | [INFO] [stderr] 424 | / impl<'a, W, F> ser::SerializeStruct for Compound<'a, W, F> [INFO] [stderr] 425 | | where W: io::Write, [INFO] [stderr] 426 | | F: Formatter [INFO] [stderr] 427 | | { [INFO] [stderr] ... | [INFO] [stderr] 439 | | } [INFO] [stderr] 440 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `to_pretty_writer` [INFO] [stderr] --> src/ser.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / pub fn to_pretty_writer(writer: W, value: &T) -> Result<()> [INFO] [stderr] 49 | | where W: io::Write, [INFO] [stderr] 50 | | T: ser::Serialize [INFO] [stderr] 51 | | { [INFO] [stderr] ... | [INFO] [stderr] 54 | | Ok(()) [INFO] [stderr] 55 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/error.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | fn from(e: json::Error) -> Error { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:234:28 [INFO] [stderr] | [INFO] [stderr] 234 | fn serialize_seq(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:243:30 [INFO] [stderr] | [INFO] [stderr] 243 | fn serialize_tuple(self, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:250:31 [INFO] [stderr] | [INFO] [stderr] 250 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:251:31 [INFO] [stderr] | [INFO] [stderr] 251 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:260:32 [INFO] [stderr] | [INFO] [stderr] 260 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:261:32 [INFO] [stderr] | [INFO] [stderr] 261 | variant_index: u32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:262:32 [INFO] [stderr] | [INFO] [stderr] 262 | variant: &'static str, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:263:32 [INFO] [stderr] | [INFO] [stderr] 263 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:269:28 [INFO] [stderr] | [INFO] [stderr] 269 | fn serialize_map(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:287:33 [INFO] [stderr] | [INFO] [stderr] 287 | name: &'static str, [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:288:33 [INFO] [stderr] | [INFO] [stderr] 288 | variant_index: u32, [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:289:33 [INFO] [stderr] | [INFO] [stderr] 289 | variant: &'static str, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:290:33 [INFO] [stderr] | [INFO] [stderr] 290 | len: usize) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:314:40 [INFO] [stderr] | [INFO] [stderr] 314 | fn serialize_element(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:331:40 [INFO] [stderr] | [INFO] [stderr] 331 | fn serialize_element(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:347:38 [INFO] [stderr] | [INFO] [stderr] 347 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:371:38 [INFO] [stderr] | [INFO] [stderr] 371 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:402:36 [INFO] [stderr] | [INFO] [stderr] 402 | fn serialize_key(&mut self, key: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:411:38 [INFO] [stderr] | [INFO] [stderr] 411 | fn serialize_value(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:448:38 [INFO] [stderr] | [INFO] [stderr] 448 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:448:57 [INFO] [stderr] | [INFO] [stderr] 448 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: private trait `ser::Formatter` in public interface (error E0445) [INFO] [stderr] --> src/ser.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | / impl<'a, W, F> ser::Serializer for &'a mut Serializer [INFO] [stderr] 58 | | where W: io::Write, [INFO] [stderr] 59 | | F: Formatter [INFO] [stderr] 60 | | { [INFO] [stderr] ... | [INFO] [stderr] 293 | | } [INFO] [stderr] 294 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: private trait `ser::Formatter` in public interface (error E0445) [INFO] [stderr] --> src/ser.rs:424:1 [INFO] [stderr] | [INFO] [stderr] 424 | / impl<'a, W, F> ser::SerializeStruct for Compound<'a, W, F> [INFO] [stderr] 425 | | where W: io::Write, [INFO] [stderr] 426 | | F: Formatter [INFO] [stderr] 427 | | { [INFO] [stderr] ... | [INFO] [stderr] 439 | | } [INFO] [stderr] 440 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `to_pretty_writer` [INFO] [stderr] --> src/ser.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / pub fn to_pretty_writer(writer: W, value: &T) -> Result<()> [INFO] [stderr] 49 | | where W: io::Write, [INFO] [stderr] 50 | | T: ser::Serialize [INFO] [stderr] 51 | | { [INFO] [stderr] ... | [INFO] [stderr] 54 | | Ok(()) [INFO] [stderr] 55 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ser.rs:470:5 [INFO] [stderr] | [INFO] [stderr] 470 | to_writer(&mut writer, &test); [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 1.16s [INFO] running `"docker" "inspect" "561cb88688f04a69cf64be315409dc039fecaf7b0806bc414905df80ba7b34a7"` [INFO] running `"docker" "rm" "-f" "561cb88688f04a69cf64be315409dc039fecaf7b0806bc414905df80ba7b34a7"` [INFO] [stdout] 561cb88688f04a69cf64be315409dc039fecaf7b0806bc414905df80ba7b34a7