[INFO] updating cached repository https://github.com/zaphar/ucg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ec27ff42661e30ad0849b9668d62e039454b0b6
[INFO] checking zaphar/ucg against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaphar%2Fucg" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaphar/ucg on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zaphar/ucg
[INFO] finished tweaking git repo https://github.com/zaphar/ucg
[INFO] tweaked toml for git repo https://github.com/zaphar/ucg written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zaphar/ucg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7bb3ae72627b98d04c0b03f8f9a782c5a8c8b5a9ff1e2e0e994d284175bc8233
[INFO] running `"docker" "start" "-a" "7bb3ae72627b98d04c0b03f8f9a782c5a8c8b5a9ff1e2e0e994d284175bc8233"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking abortable_parser v0.2.3
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling ucg v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/walk.rs:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 |     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:128:35
[INFO] [stderr]     |
[INFO] [stderr] 128 |     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:129:33
[INFO] [stderr]     |
[INFO] [stderr] 129 |     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:141:48
[INFO] [stderr]     |
[INFO] [stderr] 141 |     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:146:47
[INFO] [stderr]     |
[INFO] [stderr] 146 |     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:151:47
[INFO] [stderr]     |
[INFO] [stderr] 151 |     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/convert/env.rs:31:68
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn convert_tuple(&self, flds: &Vec<(String, Rc<Val>)>, w: &mut IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                                                    ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                                            ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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:176:47
[INFO] [stderr]     |
[INFO] [stderr] 176 |     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:39:62
[INFO] [stderr]    |
[INFO] [stderr] 39 |     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:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |         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:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn write_simple_value(&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/flags.rs:97:71
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn write(&self, pfx: &str, 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/flags.rs:121:47
[INFO] [stderr]     |
[INFO] [stderr] 121 |     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:142:38
[INFO] [stderr]     |
[INFO] [stderr] 142 |     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:150:47
[INFO] [stderr]     |
[INFO] [stderr] 150 |     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:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 |     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:128:35
[INFO] [stderr]     |
[INFO] [stderr] 128 |     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:129:33
[INFO] [stderr]     |
[INFO] [stderr] 129 |     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:141:48
[INFO] [stderr]     |
[INFO] [stderr] 141 |     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:146:47
[INFO] [stderr]     |
[INFO] [stderr] 146 |     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:151:47
[INFO] [stderr]     |
[INFO] [stderr] 151 |     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/convert/env.rs:31:68
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn convert_tuple(&self, flds: &Vec<(String, Rc<Val>)>, w: &mut IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                                                    ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                                            ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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 IOWrite) -> ConvertResult {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn IOWrite`
[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:176:47
[INFO] [stderr]     |
[INFO] [stderr] 176 |     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:39:62
[INFO] [stderr]    |
[INFO] [stderr] 39 |     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:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |         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:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn write_simple_value(&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/flags.rs:97:71
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn write(&self, pfx: &str, 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/flags.rs:121:47
[INFO] [stderr]     |
[INFO] [stderr] 121 |     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:142:38
[INFO] [stderr]     |
[INFO] [stderr] 142 |     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:150:47
[INFO] [stderr]     |
[INFO] [stderr] 150 |     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/main.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn run_converter(c: &traits::Converter, v: Rc<Val>, f: Option<&str>) -> traits::ConvertResult {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[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/main.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut file: Box<std::io::Write> = match f {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn run_converter(c: &traits::Converter, v: Rc<Val>, f: Option<&str>) -> traits::ConvertResult {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn traits::Converter`
[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/main.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut file: Box<std::io::Write> = match f {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.78s
[INFO] running `"docker" "inspect" "7bb3ae72627b98d04c0b03f8f9a782c5a8c8b5a9ff1e2e0e994d284175bc8233"`
[INFO] running `"docker" "rm" "-f" "7bb3ae72627b98d04c0b03f8f9a782c5a8c8b5a9ff1e2e0e994d284175bc8233"`
[INFO] [stdout] 7bb3ae72627b98d04c0b03f8f9a782c5a8c8b5a9ff1e2e0e994d284175bc8233