[INFO] fetching crate liquid-value 0.18.1...
[INFO] extracting crate liquid-value 0.18.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/liquid-value/0.18.1
[INFO] extracting crate liquid-value 0.18.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/liquid-value/0.18.1
[INFO] validating manifest of liquid-value-0.18.1 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of liquid-value-0.18.1 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing liquid-value-0.18.1
[INFO] finished frobbing liquid-value-0.18.1
[INFO] frobbed toml for liquid-value-0.18.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/liquid-value/0.18.1/Cargo.toml
[INFO] started frobbing liquid-value-0.18.1
[INFO] finished frobbing liquid-value-0.18.1
[INFO] frobbed toml for liquid-value-0.18.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/liquid-value/0.18.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking liquid-value-0.18.1 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/liquid-value/0.18.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5d76640cbc23d709575b61b88238da7fc6c21ac131f98b67e06f7ae35ae606b8
[INFO] running `"docker" "start" "-a" "5d76640cbc23d709575b61b88238da7fc6c21ac131f98b67e06f7ae35ae606b8"`
[INFO] [stderr]     Checking liquid-error v0.18.1
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking liquid-value v0.18.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ser.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/ser.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         ::std::error::Error::cause(&self.0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'s> ScalarCow<'s> {
[INFO] [stderr]    |      -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'s` must outlive `'static`
[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] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn as_ref<'r: 's>(&'r self) -> ScalarCow<'r> {
[INFO] [stderr]    |                   -- lifetime `'r` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'r` must outlive `'static`
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ser.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/ser.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         ::std::error::Error::cause(&self.0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl<'s> ScalarCow<'s> {
[INFO] [stderr]    |      -- lifetime `'s` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'s` must outlive `'static`
[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] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/scalar.rs:60:54
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn as_ref<'r: 's>(&'r self) -> ScalarCow<'r> {
[INFO] [stderr]    |                   -- lifetime `'r` defined here
[INFO] [stderr] ...
[INFO] [stderr] 60 |             ScalarCowEnum::Str(ref x) => Scalar::new(x.as_ref()),
[INFO] [stderr]    |                                                      ^^^^^^^^^^ argument requires that `'r` must outlive `'static`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "5d76640cbc23d709575b61b88238da7fc6c21ac131f98b67e06f7ae35ae606b8"`
[INFO] running `"docker" "rm" "-f" "5d76640cbc23d709575b61b88238da7fc6c21ac131f98b67e06f7ae35ae606b8"`
[INFO] [stdout] 5d76640cbc23d709575b61b88238da7fc6c21ac131f98b67e06f7ae35ae606b8