Dec 14 20:15:42.845 INFO testing serde_transit-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 20:15:42.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:15:43.423 INFO [stdout] ebe2491422224f41da9fd135d06dafdd489742ee41cb9693447a5a152d1836f3
Dec 14 20:15:43.431 INFO running `"docker" "start" "-a" "ebe2491422224f41da9fd135d06dafdd489742ee41cb9693447a5a152d1836f3"`
Dec 14 20:15:44.482 INFO [stderr] usermod: no changes
Dec 14 20:15:44.572 INFO [stderr]    Compiling serde_transit v0.1.0 (/source)
Dec 14 20:15:45.603 INFO [stderr] warning: private trait `ser::Formatter` in public interface (error E0445)
Dec 14 20:15:45.603 INFO [stderr]    --> src/ser.rs:57:1
Dec 14 20:15:45.603 INFO [stderr]     |
Dec 14 20:15:45.603 INFO [stderr] 57  | / impl<'a, W, F> ser::Serializer for &'a mut Serializer<W, F>
Dec 14 20:15:45.603 INFO [stderr] 58  | |     where W: io::Write,
Dec 14 20:15:45.603 INFO [stderr] 59  | |           F: Formatter
Dec 14 20:15:45.604 INFO [stderr] 60  | | {
Dec 14 20:15:45.604 INFO [stderr] ...   |
Dec 14 20:15:45.604 INFO [stderr] 293 | |     }
Dec 14 20:15:45.604 INFO [stderr] 294 | | }
Dec 14 20:15:45.604 INFO [stderr]     | |_^
Dec 14 20:15:45.604 INFO [stderr]     |
Dec 14 20:15:45.604 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 14 20:15:45.604 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!
Dec 14 20:15:45.604 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 20:15:45.604 INFO [stderr] 
Dec 14 20:15:45.604 INFO [stderr] warning: private trait `ser::Formatter` in public interface (error E0445)
Dec 14 20:15:45.604 INFO [stderr]    --> src/ser.rs:424:1
Dec 14 20:15:45.604 INFO [stderr]     |
Dec 14 20:15:45.604 INFO [stderr] 424 | / impl<'a, W, F> ser::SerializeStruct for Compound<'a, W, F>
Dec 14 20:15:45.604 INFO [stderr] 425 | |     where W: io::Write,
Dec 14 20:15:45.604 INFO [stderr] 426 | |           F: Formatter
Dec 14 20:15:45.604 INFO [stderr] 427 | | {
Dec 14 20:15:45.604 INFO [stderr] ...   |
Dec 14 20:15:45.604 INFO [stderr] 439 | |     }
Dec 14 20:15:45.604 INFO [stderr] 440 | | }
Dec 14 20:15:45.604 INFO [stderr]     | |_^
Dec 14 20:15:45.604 INFO [stderr]     |
Dec 14 20:15:45.604 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!
Dec 14 20:15:45.604 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 20:15:45.604 INFO [stderr] 
Dec 14 20:15:45.606 INFO [stderr] warning: unused variable: `e`
Dec 14 20:15:45.606 INFO [stderr]   --> src/error.rs:79:13
Dec 14 20:15:45.606 INFO [stderr]    |
Dec 14 20:15:45.606 INFO [stderr] 79 |     fn from(e: json::Error) -> Error {
Dec 14 20:15:45.606 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 14 20:15:45.606 INFO [stderr]    |
Dec 14 20:15:45.606 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 20:15:45.606 INFO [stderr] 
Dec 14 20:15:45.606 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.606 INFO [stderr]    --> src/ser.rs:234:28
Dec 14 20:15:45.606 INFO [stderr]     |
Dec 14 20:15:45.606 INFO [stderr] 234 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq> {
Dec 14 20:15:45.606 INFO [stderr]     |                            ^^^ help: consider using `_len` instead
Dec 14 20:15:45.606 INFO [stderr] 
Dec 14 20:15:45.607 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.607 INFO [stderr]    --> src/ser.rs:243:30
Dec 14 20:15:45.607 INFO [stderr]     |
Dec 14 20:15:45.607 INFO [stderr] 243 |     fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple> {
Dec 14 20:15:45.607 INFO [stderr]     |                              ^^^ help: consider using `_len` instead
Dec 14 20:15:45.607 INFO [stderr] 
Dec 14 20:15:45.607 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:45.607 INFO [stderr]    --> src/ser.rs:250:31
Dec 14 20:15:45.607 INFO [stderr]     |
Dec 14 20:15:45.607 INFO [stderr] 250 |                               name: &'static str,
Dec 14 20:15:45.607 INFO [stderr]     |                               ^^^^ help: consider using `_name` instead
Dec 14 20:15:45.607 INFO [stderr] 
Dec 14 20:15:45.607 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.607 INFO [stderr]    --> src/ser.rs:251:31
Dec 14 20:15:45.607 INFO [stderr]     |
Dec 14 20:15:45.607 INFO [stderr] 251 |                               len: usize)
Dec 14 20:15:45.607 INFO [stderr]     |                               ^^^ help: consider using `_len` instead
Dec 14 20:15:45.607 INFO [stderr] 
Dec 14 20:15:45.607 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:45.607 INFO [stderr]    --> src/ser.rs:260:32
Dec 14 20:15:45.607 INFO [stderr]     |
Dec 14 20:15:45.607 INFO [stderr] 260 |                                name: &'static str,
Dec 14 20:15:45.607 INFO [stderr]     |                                ^^^^ help: consider using `_name` instead
Dec 14 20:15:45.607 INFO [stderr] 
Dec 14 20:15:45.607 INFO [stderr] warning: unused variable: `variant_index`
Dec 14 20:15:45.607 INFO [stderr]    --> src/ser.rs:261:32
Dec 14 20:15:45.607 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 261 |                                variant_index: u32,
Dec 14 20:15:45.608 INFO [stderr]     |                                ^^^^^^^^^^^^^ help: consider using `_variant_index` instead
Dec 14 20:15:45.608 INFO [stderr] 
Dec 14 20:15:45.608 INFO [stderr] warning: unused variable: `variant`
Dec 14 20:15:45.608 INFO [stderr]    --> src/ser.rs:262:32
Dec 14 20:15:45.608 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 262 |                                variant: &'static str,
Dec 14 20:15:45.608 INFO [stderr]     |                                ^^^^^^^ help: consider using `_variant` instead
Dec 14 20:15:45.608 INFO [stderr] 
Dec 14 20:15:45.608 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.608 INFO [stderr]    --> src/ser.rs:263:32
Dec 14 20:15:45.608 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 263 |                                len: usize)
Dec 14 20:15:45.608 INFO [stderr]     |                                ^^^ help: consider using `_len` instead
Dec 14 20:15:45.608 INFO [stderr] 
Dec 14 20:15:45.608 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.608 INFO [stderr]    --> src/ser.rs:269:28
Dec 14 20:15:45.608 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 269 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap> {
Dec 14 20:15:45.608 INFO [stderr]     |                            ^^^ help: consider using `_len` instead
Dec 14 20:15:45.608 INFO [stderr] 
Dec 14 20:15:45.608 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:45.608 INFO [stderr]    --> src/ser.rs:287:33
Dec 14 20:15:45.608 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 287 |                                 name: &'static str,
Dec 14 20:15:45.608 INFO [stderr]     |                                 ^^^^ help: consider using `_name` instead
Dec 14 20:15:45.608 INFO [stderr] 
Dec 14 20:15:45.608 INFO [stderr] warning: unused variable: `variant_index`
Dec 14 20:15:45.608 INFO [stderr]    --> src/ser.rs:288:33
Dec 14 20:15:45.608 INFO [stderr]     |
Dec 14 20:15:45.608 INFO [stderr] 288 |                                 variant_index: u32,
Dec 14 20:15:45.608 INFO [stderr]     |                                 ^^^^^^^^^^^^^ help: consider using `_variant_index` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.609 INFO [stderr] warning: unused variable: `variant`
Dec 14 20:15:45.609 INFO [stderr]    --> src/ser.rs:289:33
Dec 14 20:15:45.609 INFO [stderr]     |
Dec 14 20:15:45.609 INFO [stderr] 289 |                                 variant: &'static str,
Dec 14 20:15:45.609 INFO [stderr]     |                                 ^^^^^^^ help: consider using `_variant` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.609 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:45.609 INFO [stderr]    --> src/ser.rs:290:33
Dec 14 20:15:45.609 INFO [stderr]     |
Dec 14 20:15:45.609 INFO [stderr] 290 |                                 len: usize)
Dec 14 20:15:45.609 INFO [stderr]     |                                 ^^^ help: consider using `_len` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.609 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.609 INFO [stderr]    --> src/ser.rs:314:40
Dec 14 20:15:45.609 INFO [stderr]     |
Dec 14 20:15:45.609 INFO [stderr] 314 |     fn serialize_element<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:45.609 INFO [stderr]     |                                        ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.609 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.609 INFO [stderr]    --> src/ser.rs:331:40
Dec 14 20:15:45.609 INFO [stderr]     |
Dec 14 20:15:45.609 INFO [stderr] 331 |     fn serialize_element<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:45.609 INFO [stderr]     |                                        ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.609 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.609 INFO [stderr]    --> src/ser.rs:347:38
Dec 14 20:15:45.609 INFO [stderr]     |
Dec 14 20:15:45.609 INFO [stderr] 347 |     fn serialize_field<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:45.609 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.609 INFO [stderr] 
Dec 14 20:15:45.610 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.610 INFO [stderr]    --> src/ser.rs:371:38
Dec 14 20:15:45.610 INFO [stderr]     |
Dec 14 20:15:45.610 INFO [stderr] 371 |     fn serialize_field<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:45.610 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.610 INFO [stderr] 
Dec 14 20:15:45.610 INFO [stderr] warning: unused variable: `key`
Dec 14 20:15:45.610 INFO [stderr]    --> src/ser.rs:402:36
Dec 14 20:15:45.610 INFO [stderr]     |
Dec 14 20:15:45.610 INFO [stderr] 402 |     fn serialize_key<T>(&mut self, key: &T) -> Result<()>
Dec 14 20:15:45.610 INFO [stderr]     |                                    ^^^ help: consider using `_key` instead
Dec 14 20:15:45.610 INFO [stderr] 
Dec 14 20:15:45.610 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.610 INFO [stderr]    --> src/ser.rs:411:38
Dec 14 20:15:45.610 INFO [stderr]     |
Dec 14 20:15:45.610 INFO [stderr] 411 |     fn serialize_value<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:45.610 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.610 INFO [stderr] 
Dec 14 20:15:45.610 INFO [stderr] warning: unused variable: `key`
Dec 14 20:15:45.610 INFO [stderr]    --> src/ser.rs:448:38
Dec 14 20:15:45.610 INFO [stderr]     |
Dec 14 20:15:45.610 INFO [stderr] 448 |     fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<()>
Dec 14 20:15:45.610 INFO [stderr]     |                                      ^^^ help: consider using `_key` instead
Dec 14 20:15:45.610 INFO [stderr] 
Dec 14 20:15:45.610 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:45.610 INFO [stderr]    --> src/ser.rs:448:57
Dec 14 20:15:45.610 INFO [stderr]     |
Dec 14 20:15:45.610 INFO [stderr] 448 |     fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<()>
Dec 14 20:15:45.610 INFO [stderr]     |                                                         ^^^^^ help: consider using `_value` instead
Dec 14 20:15:45.610 INFO [stderr] 
Dec 14 20:15:45.687 INFO [stderr] warning: function is never used: `to_pretty_writer`
Dec 14 20:15:45.687 INFO [stderr]   --> src/ser.rs:48:1
Dec 14 20:15:45.687 INFO [stderr]    |
Dec 14 20:15:45.687 INFO [stderr] 48 | / pub fn to_pretty_writer<W, T: ?Sized>(writer: W, value: &T) -> Result<()>
Dec 14 20:15:45.687 INFO [stderr] 49 | |     where W: io::Write,
Dec 14 20:15:45.687 INFO [stderr] 50 | |           T: ser::Serialize
Dec 14 20:15:45.687 INFO [stderr] 51 | | {
Dec 14 20:15:45.687 INFO [stderr] ...  |
Dec 14 20:15:45.687 INFO [stderr] 54 | |     Ok(())
Dec 14 20:15:45.687 INFO [stderr] 55 | | }
Dec 14 20:15:45.687 INFO [stderr]    | |_^
Dec 14 20:15:45.687 INFO [stderr]    |
Dec 14 20:15:45.687 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 20:15:45.687 INFO [stderr] 
Dec 14 20:15:45.937 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 14 20:15:45.941 INFO [stderr] su: No module specific data is present
Dec 14 20:15:46.693 INFO running `"docker" "inspect" "ebe2491422224f41da9fd135d06dafdd489742ee41cb9693447a5a152d1836f3"`
Dec 14 20:15:47.051 INFO running `"docker" "rm" "-f" "ebe2491422224f41da9fd135d06dafdd489742ee41cb9693447a5a152d1836f3"`
Dec 14 20:15:47.382 INFO [stdout] ebe2491422224f41da9fd135d06dafdd489742ee41cb9693447a5a152d1836f3
Dec 14 20:15:47.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:15:47.735 INFO [stdout] 3875c937807d3ea2d400b5dc768a1108cb779c29d19cc7b4803aefb7d573810c
Dec 14 20:15:47.737 INFO running `"docker" "start" "-a" "3875c937807d3ea2d400b5dc768a1108cb779c29d19cc7b4803aefb7d573810c"`
Dec 14 20:15:49.526 INFO [stderr] usermod: no changes
Dec 14 20:15:49.656 INFO [stderr]    Compiling serde_transit v0.1.0 (/source)
Dec 14 20:15:50.955 INFO [stderr] warning: private trait `ser::Formatter` in public interface (error E0445)
Dec 14 20:15:50.955 INFO [stderr]    --> src/ser.rs:57:1
Dec 14 20:15:50.955 INFO [stderr]     |
Dec 14 20:15:50.955 INFO [stderr] 57  | / impl<'a, W, F> ser::Serializer for &'a mut Serializer<W, F>
Dec 14 20:15:50.955 INFO [stderr] 58  | |     where W: io::Write,
Dec 14 20:15:50.955 INFO [stderr] 59  | |           F: Formatter
Dec 14 20:15:50.955 INFO [stderr] 60  | | {
Dec 14 20:15:50.955 INFO [stderr] ...   |
Dec 14 20:15:50.955 INFO [stderr] 293 | |     }
Dec 14 20:15:50.955 INFO [stderr] 294 | | }
Dec 14 20:15:50.955 INFO [stderr]     | |_^
Dec 14 20:15:50.959 INFO [stderr]     |
Dec 14 20:15:50.959 INFO [stderr]     = note: #[warn(private_in_public)] on by default
Dec 14 20:15:50.959 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!
Dec 14 20:15:50.959 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 20:15:50.959 INFO [stderr] 
Dec 14 20:15:50.959 INFO [stderr] warning: private trait `ser::Formatter` in public interface (error E0445)
Dec 14 20:15:50.959 INFO [stderr]    --> src/ser.rs:424:1
Dec 14 20:15:50.959 INFO [stderr]     |
Dec 14 20:15:50.959 INFO [stderr] 424 | / impl<'a, W, F> ser::SerializeStruct for Compound<'a, W, F>
Dec 14 20:15:50.959 INFO [stderr] 425 | |     where W: io::Write,
Dec 14 20:15:50.959 INFO [stderr] 426 | |           F: Formatter
Dec 14 20:15:50.959 INFO [stderr] 427 | | {
Dec 14 20:15:50.959 INFO [stderr] ...   |
Dec 14 20:15:50.959 INFO [stderr] 439 | |     }
Dec 14 20:15:50.959 INFO [stderr] 440 | | }
Dec 14 20:15:50.959 INFO [stderr]     | |_^
Dec 14 20:15:50.959 INFO [stderr]     |
Dec 14 20:15:50.959 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!
Dec 14 20:15:50.959 INFO [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 14 20:15:50.959 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `e`
Dec 14 20:15:50.964 INFO [stderr]   --> src/error.rs:79:13
Dec 14 20:15:50.964 INFO [stderr]    |
Dec 14 20:15:50.964 INFO [stderr] 79 |     fn from(e: json::Error) -> Error {
Dec 14 20:15:50.964 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 14 20:15:50.964 INFO [stderr]    |
Dec 14 20:15:50.964 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 20:15:50.964 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.964 INFO [stderr]    --> src/ser.rs:234:28
Dec 14 20:15:50.964 INFO [stderr]     |
Dec 14 20:15:50.964 INFO [stderr] 234 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq> {
Dec 14 20:15:50.964 INFO [stderr]     |                            ^^^ help: consider using `_len` instead
Dec 14 20:15:50.964 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.964 INFO [stderr]    --> src/ser.rs:243:30
Dec 14 20:15:50.964 INFO [stderr]     |
Dec 14 20:15:50.964 INFO [stderr] 243 |     fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple> {
Dec 14 20:15:50.964 INFO [stderr]     |                              ^^^ help: consider using `_len` instead
Dec 14 20:15:50.964 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:50.964 INFO [stderr]    --> src/ser.rs:250:31
Dec 14 20:15:50.964 INFO [stderr]     |
Dec 14 20:15:50.964 INFO [stderr] 250 |                               name: &'static str,
Dec 14 20:15:50.964 INFO [stderr]     |                               ^^^^ help: consider using `_name` instead
Dec 14 20:15:50.964 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.964 INFO [stderr]    --> src/ser.rs:251:31
Dec 14 20:15:50.964 INFO [stderr]     |
Dec 14 20:15:50.964 INFO [stderr] 251 |                               len: usize)
Dec 14 20:15:50.964 INFO [stderr]     |                               ^^^ help: consider using `_len` instead
Dec 14 20:15:50.964 INFO [stderr] 
Dec 14 20:15:50.964 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:50.964 INFO [stderr]    --> src/ser.rs:260:32
Dec 14 20:15:50.964 INFO [stderr]     |
Dec 14 20:15:50.964 INFO [stderr] 260 |                                name: &'static str,
Dec 14 20:15:50.964 INFO [stderr]     |                                ^^^^ help: consider using `_name` instead
Dec 14 20:15:50.965 INFO [stderr] 
Dec 14 20:15:50.965 INFO [stderr] warning: unused variable: `variant_index`
Dec 14 20:15:50.965 INFO [stderr]    --> src/ser.rs:261:32
Dec 14 20:15:50.965 INFO [stderr]     |
Dec 14 20:15:50.965 INFO [stderr] 261 |                                variant_index: u32,
Dec 14 20:15:50.965 INFO [stderr]     |                                ^^^^^^^^^^^^^ help: consider using `_variant_index` instead
Dec 14 20:15:50.965 INFO [stderr] 
Dec 14 20:15:50.965 INFO [stderr] warning: unused variable: `variant`
Dec 14 20:15:50.965 INFO [stderr]    --> src/ser.rs:262:32
Dec 14 20:15:50.965 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 262 |                                variant: &'static str,
Dec 14 20:15:50.966 INFO [stderr]     |                                ^^^^^^^ help: consider using `_variant` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:263:32
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 263 |                                len: usize)
Dec 14 20:15:50.966 INFO [stderr]     |                                ^^^ help: consider using `_len` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:269:28
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 269 |     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap> {
Dec 14 20:15:50.966 INFO [stderr]     |                            ^^^ help: consider using `_len` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `name`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:287:33
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 287 |                                 name: &'static str,
Dec 14 20:15:50.966 INFO [stderr]     |                                 ^^^^ help: consider using `_name` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `variant_index`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:288:33
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 288 |                                 variant_index: u32,
Dec 14 20:15:50.966 INFO [stderr]     |                                 ^^^^^^^^^^^^^ help: consider using `_variant_index` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `variant`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:289:33
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 289 |                                 variant: &'static str,
Dec 14 20:15:50.966 INFO [stderr]     |                                 ^^^^^^^ help: consider using `_variant` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `len`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:290:33
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 290 |                                 len: usize)
Dec 14 20:15:50.966 INFO [stderr]     |                                 ^^^ help: consider using `_len` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:314:40
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 314 |     fn serialize_element<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:50.966 INFO [stderr]     |                                        ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:331:40
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 331 |     fn serialize_element<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:50.966 INFO [stderr]     |                                        ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:347:38
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 347 |     fn serialize_field<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:50.966 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:371:38
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 371 |     fn serialize_field<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:50.966 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `key`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:402:36
Dec 14 20:15:50.966 INFO [stderr]     |
Dec 14 20:15:50.966 INFO [stderr] 402 |     fn serialize_key<T>(&mut self, key: &T) -> Result<()>
Dec 14 20:15:50.966 INFO [stderr]     |                                    ^^^ help: consider using `_key` instead
Dec 14 20:15:50.966 INFO [stderr] 
Dec 14 20:15:50.966 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.966 INFO [stderr]    --> src/ser.rs:411:38
Dec 14 20:15:50.967 INFO [stderr]     |
Dec 14 20:15:50.967 INFO [stderr] 411 |     fn serialize_value<T>(&mut self, value: &T) -> Result<()>
Dec 14 20:15:50.967 INFO [stderr]     |                                      ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.967 INFO [stderr] 
Dec 14 20:15:50.967 INFO [stderr] warning: unused variable: `key`
Dec 14 20:15:50.967 INFO [stderr]    --> src/ser.rs:448:38
Dec 14 20:15:50.967 INFO [stderr]     |
Dec 14 20:15:50.967 INFO [stderr] 448 |     fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<()>
Dec 14 20:15:50.967 INFO [stderr]     |                                      ^^^ help: consider using `_key` instead
Dec 14 20:15:50.967 INFO [stderr] 
Dec 14 20:15:50.967 INFO [stderr] warning: unused variable: `value`
Dec 14 20:15:50.967 INFO [stderr]    --> src/ser.rs:448:57
Dec 14 20:15:50.967 INFO [stderr]     |
Dec 14 20:15:50.967 INFO [stderr] 448 |     fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<()>
Dec 14 20:15:50.967 INFO [stderr]     |                                                         ^^^^^ help: consider using `_value` instead
Dec 14 20:15:50.967 INFO [stderr] 
Dec 14 20:15:51.115 INFO [stderr] warning: function is never used: `to_pretty_writer`
Dec 14 20:15:51.115 INFO [stderr]   --> src/ser.rs:48:1
Dec 14 20:15:51.115 INFO [stderr]    |
Dec 14 20:15:51.115 INFO [stderr] 48 | / pub fn to_pretty_writer<W, T: ?Sized>(writer: W, value: &T) -> Result<()>
Dec 14 20:15:51.115 INFO [stderr] 49 | |     where W: io::Write,
Dec 14 20:15:51.115 INFO [stderr] 50 | |           T: ser::Serialize
Dec 14 20:15:51.115 INFO [stderr] 51 | | {
Dec 14 20:15:51.115 INFO [stderr] ...  |
Dec 14 20:15:51.115 INFO [stderr] 54 | |     Ok(())
Dec 14 20:15:51.115 INFO [stderr] 55 | | }
Dec 14 20:15:51.115 INFO [stderr]    | |_^
Dec 14 20:15:51.115 INFO [stderr]    |
Dec 14 20:15:51.115 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 20:15:51.115 INFO [stderr] 
Dec 14 20:15:51.118 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 20:15:51.118 INFO [stderr]    --> src/ser.rs:470:5
Dec 14 20:15:51.118 INFO [stderr]     |
Dec 14 20:15:51.118 INFO [stderr] 470 |     to_writer(&mut writer, &test);
Dec 14 20:15:51.118 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 20:15:51.118 INFO [stderr]     |
Dec 14 20:15:51.118 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 20:15:51.118 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 20:15:51.118 INFO [stderr] 
Dec 14 20:15:52.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
Dec 14 20:15:52.291 INFO [stderr] su: No module specific data is present
Dec 14 20:15:52.997 INFO running `"docker" "inspect" "3875c937807d3ea2d400b5dc768a1108cb779c29d19cc7b4803aefb7d573810c"`
Dec 14 20:15:53.327 INFO running `"docker" "rm" "-f" "3875c937807d3ea2d400b5dc768a1108cb779c29d19cc7b4803aefb7d573810c"`
Dec 14 20:15:53.635 INFO [stdout] 3875c937807d3ea2d400b5dc768a1108cb779c29d19cc7b4803aefb7d573810c
Dec 14 20:15:53.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:15:54.118 INFO [stdout] 339728a53914a21891bf2818fd9db68e644dd3e98f9e8739235cddcc17afe675
Dec 14 20:15:54.120 INFO running `"docker" "start" "-a" "339728a53914a21891bf2818fd9db68e644dd3e98f9e8739235cddcc17afe675"`
Dec 14 20:15:55.401 INFO [stderr] usermod: no changes
Dec 14 20:15:55.530 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 14 20:15:55.556 INFO [stderr]      Running /target/debug/deps/serde_transit-2836b98381f70c20
Dec 14 20:15:55.567 INFO [stdout] 
Dec 14 20:15:55.567 INFO [stdout] running 3 tests
Dec 14 20:15:55.567 INFO [stdout] test de::test_enum ... ok
Dec 14 20:15:55.567 INFO [stdout] test de::test_struct ... ok
Dec 14 20:15:55.567 INFO [stdout] test ser::test_struct ... ok
Dec 14 20:15:55.567 INFO [stdout] 
Dec 14 20:15:55.567 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:15:55.567 INFO [stdout] 
Dec 14 20:15:55.567 INFO [stderr]    Doc-tests serde_transit
Dec 14 20:15:56.838 INFO [stdout] 
Dec 14 20:15:56.838 INFO [stdout] running 0 tests
Dec 14 20:15:56.838 INFO [stdout] 
Dec 14 20:15:56.838 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 20:15:56.838 INFO [stdout] 
Dec 14 20:15:56.844 INFO [stderr] su: No module specific data is present
Dec 14 20:15:57.440 INFO running `"docker" "inspect" "339728a53914a21891bf2818fd9db68e644dd3e98f9e8739235cddcc17afe675"`
Dec 14 20:15:57.685 INFO running `"docker" "rm" "-f" "339728a53914a21891bf2818fd9db68e644dd3e98f9e8739235cddcc17afe675"`
Dec 14 20:15:57.888 INFO [stdout] 339728a53914a21891bf2818fd9db68e644dd3e98f9e8739235cddcc17afe675