[INFO] crate rocket_http 0.4.0 is already in cache
[INFO] extracting crate rocket_http 0.4.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/rocket_http/0.4.0
[INFO] extracting crate rocket_http 0.4.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/rocket_http/0.4.0
[INFO] validating manifest of rocket_http-0.4.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rocket_http-0.4.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-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-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/rocket_http/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rocket_http-0.4.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/rocket_http/0.4.0:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7639b11a106c3e69d8cc6d02869a66261cc70da0c18999b8e35aac98333b7aef
[INFO] running `"docker" "start" "-a" "7639b11a106c3e69d8cc6d02869a66261cc70da0c18999b8e35aac98333b7aef"`
[INFO] [stderr]    Compiling syn v0.15.26
[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: 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: 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: 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 36.97s
[INFO] running `"docker" "inspect" "7639b11a106c3e69d8cc6d02869a66261cc70da0c18999b8e35aac98333b7aef"`
[INFO] running `"docker" "rm" "-f" "7639b11a106c3e69d8cc6d02869a66261cc70da0c18999b8e35aac98333b7aef"`
[INFO] [stdout] 7639b11a106c3e69d8cc6d02869a66261cc70da0c18999b8e35aac98333b7aef