[INFO] crate rocket_http 0.4.0 is already in cache
[INFO] extracting crate rocket_http 0.4.0 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/rocket_http/0.4.0
[INFO] extracting crate rocket_http 0.4.0 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/rocket_http/0.4.0
[INFO] validating manifest of rocket_http-0.4.0 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rocket_http-0.4.0 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rocket_http-0.4.0
[INFO] finished frobbing rocket_http-0.4.0
[INFO] frobbed toml for rocket_http-0.4.0 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/rocket_http/0.4.0/Cargo.toml
[INFO] started frobbing rocket_http-0.4.0
[INFO] finished frobbing rocket_http-0.4.0
[INFO] frobbed toml for rocket_http-0.4.0 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/rocket_http/0.4.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rocket_http-0.4.0 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/rocket_http/0.4.0:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a0ab80c07194b6920c1162fd04454b71fc36aa1b7626ee6aefadf2603e3d012
[INFO] running `"docker" "start" "-a" "4a0ab80c07194b6920c1162fd04454b71fc36aa1b7626ee6aefadf2603e3d012"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/uri/uri.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / /// This encode set is used for strings where '/' characters are known to be
[INFO] [stderr] 63 | | /// safe; all other special path segment characters are encoded.
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr] 64 | / define_encode_set! {
[INFO] [stderr] 65 | |     #[doc(hidden)]
[INFO] [stderr] 66 | |     pub UNSAFE_PATH_ENCODE_SET = [::percent_encoding::DEFAULT_ENCODE_SET] | {
[INFO] [stderr] 67 | |         '%', '[', '\\', ']', '^', '|'
[INFO] [stderr] 68 | |     }
[INFO] [stderr] 69 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/uri/uri.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | / /// This encode set should be used for path segments (components) of a
[INFO] [stderr] 72 | | /// `/`-separated path. It encodes as much as possible.
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr] 73 | / define_encode_set! {
[INFO] [stderr] 74 | |     #[doc(hidden)]
[INFO] [stderr] 75 | |     pub DEFAULT_ENCODE_SET = [UNSAFE_PATH_ENCODE_SET] | { '/' }
[INFO] [stderr] 76 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]   --> src/uri/uri.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / /// This encode set is used for strings where '/' characters are known to be
[INFO] [stderr] 63 | | /// safe; all other special path segment characters are encoded.
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr] 64 | / define_encode_set! {
[INFO] [stderr] 65 | |     #[doc(hidden)]
[INFO] [stderr] 66 | |     pub UNSAFE_PATH_ENCODE_SET = [::percent_encoding::DEFAULT_ENCODE_SET] | {
[INFO] [stderr] 67 | |         '%', '[', '\\', ']', '^', '|'
[INFO] [stderr] 68 | |     }
[INFO] [stderr] 69 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/uri/uri.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | / /// This encode set should be used for path segments (components) of a
[INFO] [stderr] 72 | | /// `/`-separated path. It encodes as much as possible.
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr] 73 | / define_encode_set! {
[INFO] [stderr] 74 | |     #[doc(hidden)]
[INFO] [stderr] 75 | |     pub DEFAULT_ENCODE_SET = [UNSAFE_PATH_ENCODE_SET] | { '/' }
[INFO] [stderr] 76 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]   --> src/ext.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn into_owned(self) -> Self::Owned {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<std::borrow::Cow<'a, B> as Trait>::Owned`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ambiguous_associated_items)] on by default
[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!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Owned` could refer to variant defined here
[INFO] [stderr] note: `Owned` could also refer to associated type defined here
[INFO] [stderr]   --> src/ext.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     type Owned: 'static;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]   --> src/ext.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn into_owned(self) -> Self::Owned {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<std::borrow::Cow<'a, B> as Trait>::Owned`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ambiguous_associated_items)] on by default
[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!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Owned` could refer to variant defined here
[INFO] [stderr] note: `Owned` could also refer to associated type defined here
[INFO] [stderr]   --> src/ext.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     type Owned: 'static;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]   --> src/ext.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn into_owned(self) -> Self::Owned {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<std::borrow::Cow<'a, B> as Trait>::Owned`
[INFO] [stderr]    |
[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!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Owned` could refer to variant defined here
[INFO] [stderr] note: `Owned` could also refer to associated type defined here
[INFO] [stderr]   --> src/ext.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     type Owned: 'static;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(try_from)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]   --> src/ext.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn into_owned(self) -> Self::Owned {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<std::borrow::Cow<'a, B> as Trait>::Owned`
[INFO] [stderr]    |
[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!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Owned` could refer to variant defined here
[INFO] [stderr] note: `Owned` could also refer to associated type defined here
[INFO] [stderr]   --> src/ext.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     type Owned: 'static;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.11s
[INFO] running `"docker" "inspect" "4a0ab80c07194b6920c1162fd04454b71fc36aa1b7626ee6aefadf2603e3d012"`
[INFO] running `"docker" "rm" "-f" "4a0ab80c07194b6920c1162fd04454b71fc36aa1b7626ee6aefadf2603e3d012"`
[INFO] [stdout] 4a0ab80c07194b6920c1162fd04454b71fc36aa1b7626ee6aefadf2603e3d012