[INFO] fetching crate maidsafe_utilities 0.17.0... [INFO] extracting crate maidsafe_utilities 0.17.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/maidsafe_utilities/0.17.0 [INFO] extracting crate maidsafe_utilities 0.17.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/maidsafe_utilities/0.17.0 [INFO] validating manifest of maidsafe_utilities-0.17.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of maidsafe_utilities-0.17.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing maidsafe_utilities-0.17.0 [INFO] finished frobbing maidsafe_utilities-0.17.0 [INFO] frobbed toml for maidsafe_utilities-0.17.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/maidsafe_utilities/0.17.0/Cargo.toml [INFO] started frobbing maidsafe_utilities-0.17.0 [INFO] finished frobbing maidsafe_utilities-0.17.0 [INFO] frobbed toml for maidsafe_utilities-0.17.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/maidsafe_utilities/0.17.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing maidsafe_utilities-0.17.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/maidsafe_utilities/0.17.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 3d61ad2c4245c30c3a0f99b056c76e274685ef381c585653bab951ed04e5fa78 [INFO] running `"docker" "start" "-a" "3d61ad2c4245c30c3a0f99b056c76e274685ef381c585653bab951ed04e5fa78"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling log-mdc v0.1.0 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling serde-value v0.5.3 [INFO] [stderr] Compiling config_file_handler v0.11.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling log4rs v0.7.0 [INFO] [stderr] Compiling ws v0.7.3 [INFO] [stderr] Compiling maidsafe_utilities v0.17.0 (/opt/crater/workdir) [INFO] [stderr] error: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported` [INFO] [stderr] --> src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | private_no_mangle_fns, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | warnings [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[forbid(renamed_and_removed_lints)] implied by #[forbid(warnings)] [INFO] [stderr] [INFO] [stderr] error: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported` [INFO] [stderr] --> src/lib.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | private_no_mangle_statics, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:50:18 [INFO] [stderr] | [INFO] [stderr] 50 | encoder: Box, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | warnings [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: #[forbid(bare_trait_objects)] implied by #[forbid(warnings)] [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:54:39 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn encoder(self, encoder: Box) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:78:18 [INFO] [stderr] | [INFO] [stderr] 78 | encoder: Box, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:84:39 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn encoder(self, encoder: Box) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:144:18 [INFO] [stderr] | [INFO] [stderr] 144 | encoder: Box, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:149:39 [INFO] [stderr] | [INFO] [stderr] 149 | pub fn encoder(self, encoder: Box) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:187:18 [INFO] [stderr] | [INFO] [stderr] 187 | encoder: Box, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:191:43 [INFO] [stderr] | [INFO] [stderr] 191 | pub fn encoder(mut self, encoder: Box) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:210:18 [INFO] [stderr] | [INFO] [stderr] 210 | type Trait = Append; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:217:21 [INFO] [stderr] | [INFO] [stderr] 217 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:217:34 [INFO] [stderr] | [INFO] [stderr] 217 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:236:18 [INFO] [stderr] | [INFO] [stderr] 236 | type Trait = Append; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:243:21 [INFO] [stderr] | [INFO] [stderr] 243 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:243:34 [INFO] [stderr] | [INFO] [stderr] 243 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:338:18 [INFO] [stderr] | [INFO] [stderr] 338 | type Trait = Append; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:345:21 [INFO] [stderr] | [INFO] [stderr] 345 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:345:34 [INFO] [stderr] | [INFO] [stderr] 345 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:387:18 [INFO] [stderr] | [INFO] [stderr] 387 | type Trait = Append; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:394:21 [INFO] [stderr] | [INFO] [stderr] 394 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Append` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:394:34 [INFO] [stderr] | [INFO] [stderr] 394 | ) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:433:33 [INFO] [stderr] | [INFO] [stderr] 433 | ) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: the item `rand` is imported redundantly [INFO] [stderr] --> src/log/async_log.rs:434:9 [INFO] [stderr] | [INFO] [stderr] 434 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:74:1 [INFO] [stderr] | [INFO] [stderr] 74 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | unused, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: #[deny(unused_imports)] implied by #[deny(unused)] [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:484:18 [INFO] [stderr] | [INFO] [stderr] 484 | encoder: Box, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:490:71 [INFO] [stderr] | [INFO] [stderr] 490 | fn new(mut writer: W, encoder: Box) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Encode` [INFO] [stderr] [INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/log/async_log.rs:525:60 [INFO] [stderr] | [INFO] [stderr] 525 | fn append(&self, record: &LogRecord) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send` [INFO] [stderr] [INFO] [stderr] error: aborting due to 27 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `maidsafe_utilities`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3d61ad2c4245c30c3a0f99b056c76e274685ef381c585653bab951ed04e5fa78"` [INFO] running `"docker" "rm" "-f" "3d61ad2c4245c30c3a0f99b056c76e274685ef381c585653bab951ed04e5fa78"` [INFO] [stdout] 3d61ad2c4245c30c3a0f99b056c76e274685ef381c585653bab951ed04e5fa78