[INFO] updating cached repository zaphar/ucg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zaphar/ucg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zaphar/ucg" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/zaphar/ucg"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/zaphar/ucg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zaphar/ucg" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/zaphar/ucg"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/zaphar/ucg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a1661982aa6b68e4cbd87475ebb7ae3d048f1eb
[INFO] sha for GitHub repo zaphar/ucg: 8a1661982aa6b68e4cbd87475ebb7ae3d048f1eb
[INFO] validating manifest of zaphar/ucg 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 zaphar/ucg 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 zaphar/ucg
[INFO] finished frobbing zaphar/ucg
[INFO] frobbed toml for zaphar/ucg written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/zaphar/ucg/Cargo.toml
[INFO] started frobbing zaphar/ucg
[INFO] finished frobbing zaphar/ucg
[INFO] frobbed toml for zaphar/ucg written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/zaphar/ucg/Cargo.toml
[INFO] crate zaphar/ucg 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] checking zaphar/ucg against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-3/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/zaphar/ucg:/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72ad4aea1e63701a400b5b3a3078f48002c4a12c30337a6fd7a09322ac9a1316
[INFO] running `"docker" "start" "-a" "72ad4aea1e63701a400b5b3a3078f48002c4a12c30337a6fd7a09322ac9a1316"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking abortable_parser v0.2.3
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking simple-error v0.1.11
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling ucg v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde_yaml v0.8.1
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/walk.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 |     handle_value: Option<&'a Fn(&mut Value)>,
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Value)`
[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/ast/walk.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 |     handle_expression: Option<&'a Fn(&mut Expression)>,
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Expression)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/walk.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |     handle_statment: Option<&'a Fn(&mut Statement)>,
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Statement)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn with_value_handler(mut self, h: &'a Fn(&mut Value)) -> Self {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Value)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn with_expr_handler(mut self, h: &'a Fn(&mut Expression)) -> Self {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Expression)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:28:47
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn with_stmt_handler(mut self, h: &'a Fn(&mut Statement)) -> Self {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Statement)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |     assets: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 |         cache: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |         cache: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:31:68
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn convert_tuple(&self, flds: &Vec<(String, Rc<Val>)>, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn convert_list(&self, _items: &Vec<Rc<Val>>, _w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:94:47
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/exec.rs:40:38
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/exec.rs:177:47
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:31:62
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn write_flag_name(&self, pfx: &str, name: &str, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         w: &mut Write,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:63:49
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn write(&self, pfx: &str, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/flags.rs:123:47
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/json.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/json.rs:127:47
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/toml.rs:29:52
[INFO] [stderr]    |
[INFO] [stderr] 29 | type Result = std::result::Result<toml::Value, Box<error::Error>>;
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/toml.rs:110:38
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/toml.rs:119:47
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/traits.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn convert(&self, vs: Rc<Val>, w: &mut Write) -> ConvertResult;
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/xml.rs:156:38
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/xml.rs:226:47
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/yaml.rs:116:38
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/yaml.rs:124:47
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:58:72
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn register<S: Into<String>>(&mut self, typ: S, converter: Box<traits::Converter>) {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:62:55
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn get_converter(&self, typ: &str) -> Option<&traits::Converter> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:66:60
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn get_converter_list(&self) -> Vec<(&String, &Box<traits::Converter>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/walk.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 |     handle_value: Option<&'a Fn(&mut Value)>,
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Value)`
[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/ast/walk.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 |     handle_expression: Option<&'a Fn(&mut Expression)>,
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Expression)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/walk.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |     handle_statment: Option<&'a Fn(&mut Statement)>,
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Statement)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn with_value_handler(mut self, h: &'a Fn(&mut Value)) -> Self {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Value)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn with_expr_handler(mut self, h: &'a Fn(&mut Expression)) -> Self {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Expression)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/walk.rs:28:47
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn with_stmt_handler(mut self, h: &'a Fn(&mut Statement)) -> Self {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Statement)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |     assets: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 |         cache: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build/mod.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |         cache: Rc<RefCell<assets::Cache>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn assets::Cache`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:31:68
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn convert_tuple(&self, flds: &Vec<(String, Rc<Val>)>, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn convert_list(&self, _items: &Vec<Rc<Val>>, _w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/env.rs:94:47
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/exec.rs:40:38
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/exec.rs:177:47
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:31:62
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn write_flag_name(&self, pfx: &str, name: &str, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |         w: &mut Write,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/flags.rs:63:49
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn write(&self, pfx: &str, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/flags.rs:123:47
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/json.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/json.rs:127:47
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/toml.rs:29:52
[INFO] [stderr]    |
[INFO] [stderr] 29 | type Result = std::result::Result<toml::Value, Box<error::Error>>;
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/toml.rs:110:38
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/toml.rs:119:47
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/traits.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn convert(&self, vs: Rc<Val>, w: &mut Write) -> ConvertResult;
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/xml.rs:156:38
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/xml.rs:226:47
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/yaml.rs:116:38
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn write(&self, v: &Val, w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/convert/yaml.rs:124:47
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn convert(&self, v: Rc<Val>, mut w: &mut Write) -> ConvertResult {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:58:72
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn register<S: Into<String>>(&mut self, typ: S, converter: Box<traits::Converter>) {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:62:55
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn get_converter(&self, typ: &str) -> Option<&traits::Converter> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/convert/mod.rs:66:60
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn get_converter_list(&self) -> Vec<(&String, &Box<traits::Converter>)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> src/build/mod.rs:233:22
[INFO] [stderr]     |
[INFO] [stderr] 233 |                     .as_ref(),
[INFO] [stderr]     |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> src/build/mod.rs:233:22
[INFO] [stderr]     |
[INFO] [stderr] 233 |                     .as_ref(),
[INFO] [stderr]     |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `ucg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `ucg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "72ad4aea1e63701a400b5b3a3078f48002c4a12c30337a6fd7a09322ac9a1316"`
[INFO] running `"docker" "rm" "-f" "72ad4aea1e63701a400b5b3a3078f48002c4a12c30337a6fd7a09322ac9a1316"`
[INFO] [stdout] 72ad4aea1e63701a400b5b3a3078f48002c4a12c30337a6fd7a09322ac9a1316