[INFO] fetching crate two-sided-vec 0.1.11...
[INFO] testing two-sided-vec-0.1.11 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate two-sided-vec 0.1.11 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate two-sided-vec 0.1.11
[INFO] finished tweaking crates.io crate two-sided-vec 0.1.11
[INFO] tweaked toml for crates.io crate two-sided-vec 0.1.11 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate two-sided-vec 0.1.11 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9178b68faf724b4a76623dea54e8e6a8bb50384f24ad4071830690c0f59bc58d
[INFO] running `Command { std: "docker" "start" "-a" "9178b68faf724b4a76623dea54e8e6a8bb50384f24ad4071830690c0f59bc58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9178b68faf724b4a76623dea54e8e6a8bb50384f24ad4071830690c0f59bc58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9178b68faf724b4a76623dea54e8e6a8bb50384f24ad4071830690c0f59bc58d", kill_on_drop: false }`
[INFO] [stdout] 9178b68faf724b4a76623dea54e8e6a8bb50384f24ad4071830690c0f59bc58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b57d375474013f3c6db475228126495ec87007ba617ad076182a8e52733582f
[INFO] running `Command { std: "docker" "start" "-a" "2b57d375474013f3c6db475228126495ec87007ba617ad076182a8e52733582f", kill_on_drop: false }`
[INFO] [stderr]    Compiling two-sided-vec v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_layout_extra, // We need to allocate memory
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn iter_entire(&self) -> slice::Iter<T> {
[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] 319 |     pub fn iter_entire(&self) -> slice::Iter<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:398:28
[INFO] [stdout]     |
[INFO] [stdout] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:414:26
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<T>> {
[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] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:444:63
[INFO] [stdout]     |
[INFO] [stdout] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<T, F> {
[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] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<'_, T, F> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:453:64
[INFO] [stdout]     |
[INFO] [stdout] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<T, F> {
[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] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<'_, T, F> {
[INFO] [stdout]     |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "2b57d375474013f3c6db475228126495ec87007ba617ad076182a8e52733582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b57d375474013f3c6db475228126495ec87007ba617ad076182a8e52733582f", kill_on_drop: false }`
[INFO] [stdout] 2b57d375474013f3c6db475228126495ec87007ba617ad076182a8e52733582f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] accb1d6b7d74a4c916ba088c328442d80dd18cf761484fdca5fe0da8865cd2eb
[INFO] running `Command { std: "docker" "start" "-a" "accb1d6b7d74a4c916ba088c328442d80dd18cf761484fdca5fe0da8865cd2eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_layout_extra, // We need to allocate memory
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn iter_entire(&self) -> slice::Iter<T> {
[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] 319 |     pub fn iter_entire(&self) -> slice::Iter<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:398:28
[INFO] [stdout]     |
[INFO] [stdout] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:414:26
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<T>> {
[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] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:444:63
[INFO] [stdout]     |
[INFO] [stdout] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<T, F> {
[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] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<'_, T, F> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:453:64
[INFO] [stdout]     |
[INFO] [stdout] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<T, F> {
[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] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<'_, T, F> {
[INFO] [stdout]     |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling two-sided-vec v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> tests/basic.rs:215:28
[INFO] [stdout]     |
[INFO] [stdout] 215 |         assert_eq!(&target[(index as isize)], expected);
[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] 215 -         assert_eq!(&target[(index as isize)], expected);
[INFO] [stdout] 215 +         assert_eq!(&target[index as isize ], expected);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_layout_extra, // We need to allocate memory
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TwoSidedVec<{integer}>: serde::Serialize` is not satisfied
[INFO] [stdout]   --> tests/basic.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ::serde_test::assert_tokens(&values, &[
[INFO] [stdout]    |     --------------------------- ^^^^^^^ the trait `serde_core::ser::Serialize` is not implemented for `TwoSidedVec<{integer}>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: for local types consider adding `#[derive(serde::Serialize)]` to your `TwoSidedVec<{integer}>` type
[INFO] [stdout]    = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]    = help: the following other types implement trait `serde_core::ser::Serialize`:
[INFO] [stdout]              &'a T
[INFO] [stdout]              &'a mut T
[INFO] [stdout]              ()
[INFO] [stdout]              (T,)
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]              (T0, T1, T2, T3, T4)
[INFO] [stdout]            and 128 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_test-1.0.177/src/assert.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 34 | where
[INFO] [stdout] 35 |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TwoSidedVec<{integer}>: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]   --> tests/basic.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ::serde_test::assert_tokens(&values, &[
[INFO] [stdout]    |     --------------------------- ^^^^^^^ the trait `serde_core::de::Deserialize<'_>` is not implemented for `TwoSidedVec<{integer}>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `TwoSidedVec<{integer}>` type
[INFO] [stdout]    = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]    = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]              &'a Path
[INFO] [stdout]              &'a [u8]
[INFO] [stdout]              &'a str
[INFO] [stdout]              ()
[INFO] [stdout]              (T,)
[INFO] [stdout]              (T0, T1)
[INFO] [stdout]              (T0, T1, T2)
[INFO] [stdout]              (T0, T1, T2, T3)
[INFO] [stdout]            and 140 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_test-1.0.177/src/assert.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]    |        ------------- required by a bound in this function
[INFO] [stdout] 34 | where
[INFO] [stdout] 35 |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:319:24
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn iter_entire(&self) -> slice::Iter<T> {
[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] 319 |     pub fn iter_entire(&self) -> slice::Iter<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 390 |     pub fn enumerate_back(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:398:28
[INFO] [stdout]     |
[INFO] [stdout] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 398 |     pub fn enumerate_front(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<T>> {
[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] 406 |     pub fn enumerate(&self) -> SignedEnumerate<slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:414:26
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<T>> {
[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] 414 |     pub fn enumerate_mut(&mut self) -> SignedEnumerate<slice::IterMut<'_, T>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:444:63
[INFO] [stdout]     |
[INFO] [stdout] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<T, F> {
[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] 444 |     pub fn drain_filter_back<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterBack<'_, T, F> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:453:64
[INFO] [stdout]     |
[INFO] [stdout] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<T, F> {
[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] 453 |     pub fn drain_filter_front<F: FnMut(isize, &mut T) -> bool>(&mut self, pred: F) -> DrainFilterFront<'_, T, F> {
[INFO] [stdout]     |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two-sided-vec` (test "basic") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "accb1d6b7d74a4c916ba088c328442d80dd18cf761484fdca5fe0da8865cd2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accb1d6b7d74a4c916ba088c328442d80dd18cf761484fdca5fe0da8865cd2eb", kill_on_drop: false }`
[INFO] [stdout] accb1d6b7d74a4c916ba088c328442d80dd18cf761484fdca5fe0da8865cd2eb