[INFO] fetching crate iregex-automata 0.1.3... [INFO] checking iregex-automata-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate iregex-automata 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate iregex-automata 0.1.3 [INFO] finished tweaking crates.io crate iregex-automata 0.1.3 [INFO] tweaked toml for crates.io crate iregex-automata 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate iregex-automata 0.1.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4aaac1bd0eb14459bf52a1b369d506ea3b4f1e3d689f494fd8b8868908aa88a5 [INFO] running `Command { std: "docker" "start" "-a" "4aaac1bd0eb14459bf52a1b369d506ea3b4f1e3d689f494fd8b8868908aa88a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aaac1bd0eb14459bf52a1b369d506ea3b4f1e3d689f494fd8b8868908aa88a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aaac1bd0eb14459bf52a1b369d506ea3b4f1e3d689f494fd8b8868908aa88a5", kill_on_drop: false }` [INFO] [stdout] 4aaac1bd0eb14459bf52a1b369d506ea3b4f1e3d689f494fd8b8868908aa88a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50b2df3a31e4c00ea4c159eb1ffd0e4460af26fabd851f4ff04cfef6e91dadf5 [INFO] running `Command { std: "docker" "start" "-a" "50b2df3a31e4c00ea4c159eb1ffd0e4460af26fabd851f4ff04cfef6e91dadf5", kill_on_drop: false }` [INFO] [stderr] Checking range-traits v0.3.2 [INFO] [stderr] Checking mown v1.0.0 [INFO] [stderr] Checking cc-traits v2.0.0 [INFO] [stderr] Compiling enum-ordinalize-derive v4.3.2 [INFO] [stderr] Checking btree-slab v0.6.1 [INFO] [stderr] Compiling enum-ordinalize v4.3.2 [INFO] [stderr] Compiling educe v0.6.0 [INFO] [stderr] Checking btree-range-map v0.7.2 [INFO] [stderr] Checking iregex-automata v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:247:26 [INFO] [stdout] | [INFO] [stdout] 244 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 245 | current_state: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 246 | token: T, [INFO] [stdout] 247 | ) -> Option>; [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 247 - ) -> Option>; [INFO] [stdout] 247 + ) -> Option>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:156:21 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn transitions(&self) -> std::collections::btree_map::Iter> { [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] 156 | pub fn transitions(&self) -> std::collections::btree_map::Iter<'_, Q, Transitions> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:163:20 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn successors(&self, q: &Q) -> Successors { [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] 163 | pub fn successors(&self, q: &Q) -> Successors<'_, T, Q> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:780:26 [INFO] [stdout] | [INFO] [stdout] 773 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 778 | }: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 779 | token: T, [INFO] [stdout] 780 | ) -> Option> { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 780 - ) -> Option> { [INFO] [stdout] 780 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:840:82 [INFO] [stdout] | [INFO] [stdout] 840 | pub fn labels<'b, T>(&'b self, aut: &'b NFA) -> impl 'b + Iterator> { [INFO] [stdout] | -- -- -- ^^^^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | | | [INFO] [stdout] | | | the same lifetime is named here [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 `'b` [INFO] [stdout] | [INFO] [stdout] 840 | pub fn labels<'b, T>(&'b self, aut: &'b NFA) -> impl 'b + Iterator> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/tags.rs:72:26 [INFO] [stdout] | [INFO] [stdout] 69 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 70 | current_state: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 71 | token: T, [INFO] [stdout] 72 | ) -> Option> { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 72 - ) -> Option> { [INFO] [stdout] 72 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfa.rs:82:20 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn successors(&self, q: &Q) -> DetSuccessors { [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] 82 | pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/dfa.rs:141:4 [INFO] [stdout] | [INFO] [stdout] 141 | self.try_partition::(|q| Ok(f(q))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/dfa.rs:187:65 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn minimize<'a, P>(&'a self, partition: P) -> DFA, &L> [INFO] [stdout] | -- ^^ ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 187 | pub fn minimize<'a, P>(&'a self, partition: P) -> DFA, &'a L> [INFO] [stdout] | ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:247:26 [INFO] [stdout] | [INFO] [stdout] 244 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 245 | current_state: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 246 | token: T, [INFO] [stdout] 247 | ) -> Option>; [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 247 - ) -> Option>; [INFO] [stdout] 247 + ) -> Option>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:156:21 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn transitions(&self) -> std::collections::btree_map::Iter> { [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] 156 | pub fn transitions(&self) -> std::collections::btree_map::Iter<'_, Q, Transitions> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:163:20 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn successors(&self, q: &Q) -> Successors { [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] 163 | pub fn successors(&self, q: &Q) -> Successors<'_, T, Q> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:780:26 [INFO] [stdout] | [INFO] [stdout] 773 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] ... [INFO] [stdout] 778 | }: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 779 | token: T, [INFO] [stdout] 780 | ) -> Option> { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 780 - ) -> Option> { [INFO] [stdout] 780 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/mod.rs:840:82 [INFO] [stdout] | [INFO] [stdout] 840 | pub fn labels<'b, T>(&'b self, aut: &'b NFA) -> impl 'b + Iterator> { [INFO] [stdout] | -- -- -- ^^^^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | | | [INFO] [stdout] | | | the same lifetime is named here [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 `'b` [INFO] [stdout] | [INFO] [stdout] 840 | pub fn labels<'b, T>(&'b self, aut: &'b NFA) -> impl 'b + Iterator> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/nfa/tags.rs:72:26 [INFO] [stdout] | [INFO] [stdout] 69 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 70 | current_state: Self::State<'a>, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 71 | token: T, [INFO] [stdout] 72 | ) -> Option> { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 72 - ) -> Option> { [INFO] [stdout] 72 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfa.rs:82:20 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn successors(&self, q: &Q) -> DetSuccessors { [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] 82 | pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iregex-automata` (lib test) due to 1 previous error; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/dfa.rs:141:4 [INFO] [stdout] | [INFO] [stdout] 141 | self.try_partition::(|q| Ok(f(q))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/dfa.rs:187:65 [INFO] [stdout] | [INFO] [stdout] 187 | pub fn minimize<'a, P>(&'a self, partition: P) -> DFA, &L> [INFO] [stdout] | -- ^^ ^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 187 | pub fn minimize<'a, P>(&'a self, partition: P) -> DFA, &'a L> [INFO] [stdout] | ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iregex-automata` (lib) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "50b2df3a31e4c00ea4c159eb1ffd0e4460af26fabd851f4ff04cfef6e91dadf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50b2df3a31e4c00ea4c159eb1ffd0e4460af26fabd851f4ff04cfef6e91dadf5", kill_on_drop: false }` [INFO] [stdout] 50b2df3a31e4c00ea4c159eb1ffd0e4460af26fabd851f4ff04cfef6e91dadf5