[INFO] fetching crate mwc_chain 5.3.9...
[INFO] checking mwc_chain-5.3.9 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] extracting crate mwc_chain 5.3.9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mwc_chain 5.3.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mwc_chain 5.3.9
[INFO] tweaked toml for crates.io crate mwc_chain 5.3.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwc_chain 5.3.9 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mwc_chain 5.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7
[INFO] running `Command { std: "docker" "start" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/txhashset/bitmap_accumulator.rs:248:25
[INFO] [stdout]     |
[INFO] [stdout] 248 |             .map(move |(idx, _)| (idx as u32 + idx_offset as u32))
[INFO] [stdout]     |                                  ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 248 -             .map(move |(idx, _)| (idx as u32 + idx_offset as u32))
[INFO] [stdout] 248 +             .map(move |(idx, _)| idx as u32 + idx_offset as u32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/txhashset/bitmap_accumulator.rs:248:25
[INFO] [stdout]     |
[INFO] [stdout] 248 |             .map(move |(idx, _)| (idx as u32 + idx_offset as u32))
[INFO] [stdout]     |                                  ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 248 -             .map(move |(idx, _)| (idx as u32 + idx_offset as u32))
[INFO] [stdout] 248 +             .map(move |(idx, _)| idx as u32 + idx_offset as u32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                       return Err(Error::Other(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 112 | |                         "output invalid, could be a replay attack".to_string(),
[INFO] [stdout] 113 | |                     )
[INFO] [stdout] 114 | |                     .into());
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |                           return Err(Error::Other(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 127 | |                             "output invalid, could be a replay attack".to_string(),
[INFO] [stdout] 128 | |                         )
[INFO] [stdout] 129 | |                         .into());
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         return Err(Error::InvalidHash.into());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1818:17
[INFO] [stdout]      |
[INFO] [stdout] 1818 |                     return Err(Error::Stopped.into());
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1826:17
[INFO] [stdout]      |
[INFO] [stdout] 1826 |                     return Err(Error::Stopped.into());
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/bitmap_accumulator.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<BitmapChunk, VecBackend<BitmapChunk>> {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<'_, BitmapChunk, VecBackend<BitmapChunk>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<'_, TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:354:3
[INFO] [stdout]     |
[INFO] [stdout] 354 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 355 |         header: &BlockHeader,
[INFO] [stdout] 356 |     ) -> ReadonlyPMMR<TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 |     ) -> ReadonlyPMMR<'_, TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:362:3
[INFO] [stdout]     |
[INFO] [stdout] 362 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 363 |         header: &BlockHeader,
[INFO] [stdout] 364 |     ) -> ReadonlyPMMR<OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     ) -> ReadonlyPMMR<'_, OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:370:3
[INFO] [stdout]     |
[INFO] [stdout] 370 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 371 |         header: &BlockHeader,
[INFO] [stdout] 372 |     ) -> ReadonlyPMMR<RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 372 |     ) -> ReadonlyPMMR<'_, RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1173:3
[INFO] [stdout]      |
[INFO] [stdout] 1173 |         &self,
[INFO] [stdout]      |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 1174 |     ) -> ReadonlyPMMR<OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     ) -> ReadonlyPMMR<'_, OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1179:30
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     pub fn rproof_readonly_pmmr(&self) -> ReadonlyPMMR<RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]      |                                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     pub fn rproof_readonly_pmmr(&self) -> ReadonlyPMMR<'_, RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]      |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwc_chain` (lib test) due to 5 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                       return Err(Error::Other(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 112 | |                         "output invalid, could be a replay attack".to_string(),
[INFO] [stdout] 113 | |                     )
[INFO] [stdout] 114 | |                     .into());
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:126:18
[INFO] [stdout]     |
[INFO] [stdout] 126 |                           return Err(Error::Other(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 127 | |                             "output invalid, could be a replay attack".to_string(),
[INFO] [stdout] 128 | |                         )
[INFO] [stdout] 129 | |                         .into());
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/pipe.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         return Err(Error::InvalidHash.into());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1818:17
[INFO] [stdout]      |
[INFO] [stdout] 1818 |                     return Err(Error::Stopped.into());
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1826:17
[INFO] [stdout]      |
[INFO] [stdout] 1826 |                     return Err(Error::Stopped.into());
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/bitmap_accumulator.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<BitmapChunk, VecBackend<BitmapChunk>> {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<'_, BitmapChunk, VecBackend<BitmapChunk>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn readonly_pmmr(&self) -> ReadonlyPMMR<'_, TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:354:3
[INFO] [stdout]     |
[INFO] [stdout] 354 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 355 |         header: &BlockHeader,
[INFO] [stdout] 356 |     ) -> ReadonlyPMMR<TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 356 |     ) -> ReadonlyPMMR<'_, TxKernel, PMMRBackend<TxKernel>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:362:3
[INFO] [stdout]     |
[INFO] [stdout] 362 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 363 |         header: &BlockHeader,
[INFO] [stdout] 364 |     ) -> ReadonlyPMMR<OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     ) -> ReadonlyPMMR<'_, OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/txhashset/txhashset.rs:370:3
[INFO] [stdout]     |
[INFO] [stdout] 370 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 371 |         header: &BlockHeader,
[INFO] [stdout] 372 |     ) -> ReadonlyPMMR<RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 372 |     ) -> ReadonlyPMMR<'_, RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1173:3
[INFO] [stdout]      |
[INFO] [stdout] 1173 |         &self,
[INFO] [stdout]      |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 1174 |     ) -> ReadonlyPMMR<OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     ) -> ReadonlyPMMR<'_, OutputIdentifier, PMMRBackend<OutputIdentifier>> {
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/txhashset/txhashset.rs:1179:30
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     pub fn rproof_readonly_pmmr(&self) -> ReadonlyPMMR<RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]      |                                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     pub fn rproof_readonly_pmmr(&self) -> ReadonlyPMMR<'_, RangeProof, PMMRBackend<RangeProof>> {
[INFO] [stdout]      |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwc_chain` (lib) due to 5 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7", kill_on_drop: false }`
[INFO] [stdout] e9e90e345f2b2b9e07c203ae71b61877b56c9902377563ae5f7318519cbcddd7
