[INFO] crate args 2.2.0 is already in cache
[INFO] extracting crate args 2.2.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/args/2.2.0
[INFO] extracting crate args 2.2.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/args/2.2.0
[INFO] validating manifest of args-2.2.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of args-2.2.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing args-2.2.0
[INFO] finished frobbing args-2.2.0
[INFO] frobbed toml for args-2.2.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/args/2.2.0/Cargo.toml
[INFO] started frobbing args-2.2.0
[INFO] finished frobbing args-2.2.0
[INFO] frobbed toml for args-2.2.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/args/2.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking args-2.2.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/args/2.2.0:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f2ac67807d6ef8f97554930b3a3e9c024fe9a09a7109c8fddd4415b6520ff03d
[INFO] running `"docker" "start" "-a" "f2ac67807d6ef8f97554930b3a3e9c024fe9a09a7109c8fddd4415b6520ff03d"`
[INFO] [stderr]     Checking args v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/has_parsed_args.rs:19:81
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn optional_validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[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/traits/has_parsed_args.rs:38:72
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |         default: Option<String>) -> Box<Opt> {
[INFO] [stderr]    |                                         ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn box_clone(&self) -> Box<Opt>;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl Clone for Box<Opt>
[INFO] [stderr]    |                    ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn clone(&self) -> Box<Opt> {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn box_clone(&self) -> Box<Opt> {
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:175:32
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn box_clone(&self) -> Box<Opt> {
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:180:18
[INFO] [stderr]     |
[INFO] [stderr] 180 | impl Display for Opt {
[INFO] [stderr]     |                  ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:186:16
[INFO] [stderr]     |
[INFO] [stderr] 186 | impl Debug for Opt {
[INFO] [stderr]     |                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |     opts: BTreeMap<String, Box<Opt>>,
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:297:85
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn optional_validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:327:76
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:381:60
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn get_option(&self, opt_name :&str) -> Option<Box<Opt>> {
[INFO] [stderr]     |                                                            ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:386:41
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn register_opt(&mut self, opt: Box<Opt>) {
[INFO] [stderr]     |                                         ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/has_parsed_args.rs:19:81
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn optional_validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:103:24
[INFO] [stderr]    |
[INFO] [stderr] 103| #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: #[deny(bare_trait_objects)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits/has_parsed_args.rs:38:72
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/options/tst.rs:5:74
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn create(has_arg: HasArg, occur: Occur, default: Option<String>) -> Box<Opt> {
[INFO] [stderr]   |                                                                          ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |         default: Option<String>) -> Box<Opt> {
[INFO] [stderr]    |                                         ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn box_clone(&self) -> Box<Opt>;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl Clone for Box<Opt>
[INFO] [stderr]    |                    ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn clone(&self) -> Box<Opt> {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options/mod.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn box_clone(&self) -> Box<Opt> {
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:175:32
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn box_clone(&self) -> Box<Opt> {
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:180:18
[INFO] [stderr]     |
[INFO] [stderr] 180 | impl Display for Opt {
[INFO] [stderr]     |                  ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options/mod.rs:186:16
[INFO] [stderr]     |
[INFO] [stderr] 186 | impl Debug for Opt {
[INFO] [stderr]     |                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |     opts: BTreeMap<String, Box<Opt>>,
[INFO] [stderr]     |                                ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:297:85
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn optional_validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:327:76
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn validated_value_of<T>(&self, opt_name: &str, validations: &[Box<Validation<T=T>>])
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Validation<T=T>`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:381:60
[INFO] [stderr]     |
[INFO] [stderr] 381 |     pub fn get_option(&self, opt_name :&str) -> Option<Box<Opt>> {
[INFO] [stderr]     |                                                            ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:386:41
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn register_opt(&mut self, opt: Box<Opt>) {
[INFO] [stderr]     |                                         ^^^ help: use `dyn`: `dyn Opt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `args`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f2ac67807d6ef8f97554930b3a3e9c024fe9a09a7109c8fddd4415b6520ff03d"`
[INFO] running `"docker" "rm" "-f" "f2ac67807d6ef8f97554930b3a3e9c024fe9a09a7109c8fddd4415b6520ff03d"`
[INFO] [stdout] f2ac67807d6ef8f97554930b3a3e9c024fe9a09a7109c8fddd4415b6520ff03d