[INFO] fetching crate diffus 0.10.0...
[INFO] testing diffus-0.10.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate diffus 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate diffus 0.10.0
[INFO] finished tweaking crates.io crate diffus 0.10.0
[INFO] tweaked toml for crates.io crate diffus 0.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diffus 0.10.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to highest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.2)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snake_case v0.3.1
[INFO] [stderr]   Downloaded diffus-derive v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022
[INFO] running `Command { std: "docker" "start" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", 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" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling diffus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/collection.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 36 | / collection_impl! {
[INFO] [stdout] 37 | |     BinaryHeap, LinkedList, Vec, VecDeque
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_- in this macro invocation
[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]    = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/map.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / map_impl! {
[INFO] [stdout] 43 | |     (BTreeMap, Ord),
[INFO] [stdout] 44 | |     (HashMap, Hash)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/option.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/primitives.rs:9:55
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                          --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                |
[INFO] [stdout]    |                          |                the lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () }
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/set.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / set_impl! {
[INFO] [stdout] 43 | |     (BTreeSet, Ord, BTreeMap),
[INFO] [stdout] 44 | |     (HashSet, Hash, HashMap)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/string.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/string.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |                |
[INFO] [stdout]    |              |                the lifetime is named here
[INFO] [stdout]    |              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/collection.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 36 | / collection_impl! {
[INFO] [stdout] 37 | |     BinaryHeap, LinkedList, Vec, VecDeque
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_- in this macro invocation
[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]    = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/map.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / map_impl! {
[INFO] [stdout] 43 | |     (BTreeMap, Ord),
[INFO] [stdout] 44 | |     (HashMap, Hash)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/option.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/primitives.rs:9:55
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                          --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                |
[INFO] [stdout]    |                          |                the lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () }
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling diffus v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/set.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / set_impl! {
[INFO] [stdout] 43 | |     (BTreeSet, Ord, BTreeMap),
[INFO] [stdout] 44 | |     (HashSet, Hash, HashMap)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/string.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/string.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |                |
[INFO] [stdout]    |              |                the lifetime is named here
[INFO] [stdout]    |              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/collection.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 36 | / collection_impl! {
[INFO] [stdout] 37 | |     BinaryHeap, LinkedList, Vec, VecDeque
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_- in this macro invocation
[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]    = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/map.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / map_impl! {
[INFO] [stdout] 43 | |     (BTreeMap, Ord),
[INFO] [stdout] 44 | |     (HashMap, Hash)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/option.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/primitives.rs:9:55
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |                          --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |                |
[INFO] [stdout]    |                          |                the lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () }
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/set.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stdout]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |                |
[INFO] [stdout]    |                            |                the lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 42 | / set_impl! {
[INFO] [stdout] 43 | |     (BTreeSet, Ord, BTreeMap),
[INFO] [stdout] 44 | |     (HashSet, Hash, HashMap)
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/diffable_impls/string.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |              |                |
[INFO] [stdout]   |              |                the lifetime is named here
[INFO] [stdout]   |              the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]   |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/diffable_impls/string.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stdout]    |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |                |
[INFO] [stdout]    |              |                the lifetime is named here
[INFO] [stdout]    |              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/diffable_impls/collection.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 |                   fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stderr]    |                            --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |                |
[INFO] [stderr]    |                            |                the lifetime is named here
[INFO] [stderr]    |                            the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 36 | / collection_impl! {
[INFO] [stderr] 37 | |     BinaryHeap, LinkedList, Vec, VecDeque
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `collection_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/diffable_impls/map.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stderr]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |                |
[INFO] [stderr]    |                            |                the lifetime is named here
[INFO] [stderr]    |                            the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 42 | / map_impl! {
[INFO] [stderr] 43 | |     (BTreeMap, Ord),
[INFO] [stderr] 44 | |     (HashMap, Hash)
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: this warning originates in the macro `map_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stderr]    |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]  --> src/diffable_impls/option.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stderr]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |              |                |
[INFO] [stderr]   |              |                the lifetime is named here
[INFO] [stderr]   |              the lifetime is named here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stderr]   |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/diffable_impls/primitives.rs:9:55
[INFO] [stderr]    |
[INFO] [stderr]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stderr]    |                          --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                          |                |
[INFO] [stderr]    |                          |                the lifetime is named here
[INFO] [stderr]    |                          the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 22 | primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () }
[INFO] [stderr]    | ------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: this warning originates in the macro `primitive_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr]  9 |                 fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stderr]    |                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/diffable_impls/set.rs:12:55
[INFO] [stderr]    |
[INFO] [stderr] 12 |                   fn diff(&'a self, other: &'a Self) -> Edit<Self> {
[INFO] [stderr]    |                            --               --          ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |                |
[INFO] [stderr]    |                            |                the lifetime is named here
[INFO] [stderr]    |                            the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 42 | / set_impl! {
[INFO] [stderr] 43 | |     (BTreeSet, Ord, BTreeMap),
[INFO] [stderr] 44 | |     (HashSet, Hash, HashMap)
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: this warning originates in the macro `set_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 fn diff(&'a self, other: &'a Self) -> Edit<'a, Self> {
[INFO] [stderr]    |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]  --> src/diffable_impls/string.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stderr]   |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |              |                |
[INFO] [stderr]   |              |                the lifetime is named here
[INFO] [stderr]   |              the lifetime is named here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stderr]   |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/diffable_impls/string.rs:30:43
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
[INFO] [stderr]    |              --               --          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |              |                |
[INFO] [stderr]    |              |                the lifetime is named here
[INFO] [stderr]    |              the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn diff(&'a self, other: &'a Self) -> edit::Edit<'a, Self> {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `diffus` (lib) generated 7 warnings (run `cargo fix --lib -p diffus` to apply 7 suggestions)
[INFO] [stderr] warning: `diffus` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/diffus-c9699eb898fd8dea)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test diffable_impls::map::tests::example ... ok
[INFO] [stdout] test diffable_impls::option::tests::variant_changed ... ok
[INFO] [stdout] test diffable_impls::set::tests::example ... ok
[INFO] [stdout] test diffable_impls::string::tests::str ... ok
[INFO] [stdout] test diffable_impls::borrow::tests::box_example ... ok
[INFO] [stdout] test diffable_impls::borrow::tests::arc_example ... ok
[INFO] [stdout] test diffable_impls::option::tests::associate_change ... ok
[INFO] [stdout] test diffable_impls::borrow::tests::rc_example ... ok
[INFO] [stdout] test diffable_impls::collection::tests::diff ... ok
[INFO] [stdout] test diffable_impls::borrow::tests::reference_example ... ok
[INFO] [stdout] test diffable_impls::string::tests::string ... ok
[INFO] [stdout] test diffable_impls::option::tests::is_copy ... ok
[INFO] [stdout] test lcs::tests::words ... ok
[INFO] [stdout] test lcs::tests::characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diffus
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022", kill_on_drop: false }`
[INFO] [stdout] e2c18fbc4e8c12e953aef31bdbc4de558442774a4502cdd80fd16f4f5f357022
