[INFO] fetching crate free-algebra 0.1.0... [INFO] testing free-algebra-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate free-algebra 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate free-algebra 0.1.0 [INFO] finished tweaking crates.io crate free-algebra 0.1.0 [INFO] tweaked toml for crates.io crate free-algebra 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate free-algebra 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] [stderr] Adding derivative v1.0.4 (available: v2.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded maths-traits v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 290e493e47d6e458ceb1cb2595b5a1e4488b87a0fefe83d392b3580accf3a47f [INFO] running `Command { std: "docker" "start" "-a" "290e493e47d6e458ceb1cb2595b5a1e4488b87a0fefe83d392b3580accf3a47f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "290e493e47d6e458ceb1cb2595b5a1e4488b87a0fefe83d392b3580accf3a47f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "290e493e47d6e458ceb1cb2595b5a1e4488b87a0fefe83d392b3580accf3a47f", kill_on_drop: false }` [INFO] [stdout] 290e493e47d6e458ceb1cb2595b5a1e4488b87a0fefe83d392b3580accf3a47f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] bc5d5ebaab2ced2c6f02106719aafbb9c78416842e84d5cb5012d614b6765fc1 [INFO] running `Command { std: "docker" "start" "-a" "bc5d5ebaab2ced2c6f02106719aafbb9c78416842e84d5cb5012d614b6765fc1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling maths-traits v0.2.1 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling free-algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `Iter` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IntoIter` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IterMut` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IterMut` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:268:27 [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter { self.string.iter() } [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter<'_, C> { self.string.iter() } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:292:31 [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut where M:MonoidRule { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut<'_, C,M> where M:MonoidRule { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.00s [INFO] running `Command { std: "docker" "inspect" "bc5d5ebaab2ced2c6f02106719aafbb9c78416842e84d5cb5012d614b6765fc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc5d5ebaab2ced2c6f02106719aafbb9c78416842e84d5cb5012d614b6765fc1", kill_on_drop: false }` [INFO] [stdout] bc5d5ebaab2ced2c6f02106719aafbb9c78416842e84d5cb5012d614b6765fc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b8485096a14393dae972035798304f9ec968d66d196353624caba32e09dd2f9b [INFO] running `Command { std: "docker" "start" "-a" "b8485096a14393dae972035798304f9ec968d66d196353624caba32e09dd2f9b", kill_on_drop: false }` [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `Iter` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IntoIter` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IterMut` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IterMut` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:268:27 [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter { self.string.iter() } [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter<'_, C> { self.string.iter() } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:292:31 [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut where M:MonoidRule { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut<'_, C,M> where M:MonoidRule { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling free-algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 77 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `Iter` in the type namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IntoIter` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | pub use self::monoid::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ the name `IterMut` in the type namespace is first re-exported here [INFO] [stdout] 86 | pub use self::module::*; [INFO] [stdout] | --------------- but the name `IterMut` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:268:27 [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter { self.string.iter() } [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 268 | #[inline] pub fn iter(&self) -> Iter<'_, C> { self.string.iter() } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/monoid.rs:292:31 [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut where M:MonoidRule { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut<'_, C,M> where M:MonoidRule { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "b8485096a14393dae972035798304f9ec968d66d196353624caba32e09dd2f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8485096a14393dae972035798304f9ec968d66d196353624caba32e09dd2f9b", kill_on_drop: false }` [INFO] [stdout] b8485096a14393dae972035798304f9ec968d66d196353624caba32e09dd2f9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] f315a05500cfb378c78d38ebb169ae400c90f699fde056061b649ced3a672b83 [INFO] running `Command { std: "docker" "start" "-a" "f315a05500cfb378c78d38ebb169ae400c90f699fde056061b649ced3a672b83", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: ambiguous glob re-exports [INFO] [stderr] --> src/lib.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | pub use self::monoid::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ the name `Iter` in the type namespace is first re-exported here [INFO] [stderr] 86 | pub use self::module::*; [INFO] [stderr] | --------------- but the name `Iter` in the type namespace is also re-exported here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: ambiguous glob re-exports [INFO] [stderr] --> src/lib.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | pub use self::monoid::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ the name `IntoIter` in the type namespace is first re-exported here [INFO] [stderr] 86 | pub use self::module::*; [INFO] [stderr] | --------------- but the name `IntoIter` in the type namespace is also re-exported here [INFO] [stderr] [INFO] [stderr] warning: ambiguous glob re-exports [INFO] [stderr] --> src/lib.rs:85:9 [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 85 | pub use self::monoid::*; [INFO] [stdout] running 0 tests [INFO] [stderr] | ^^^^^^^^^^^^^^^ the name `IterMut` in the type namespace is first re-exported here [INFO] [stdout] [INFO] [stderr] 86 | pub use self::module::*; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | --------------- but the name `IterMut` in the type namespace is also re-exported here [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/monoid.rs:268:27 [INFO] [stderr] | [INFO] [stderr] 268 | #[inline] pub fn iter(&self) -> Iter { self.string.iter() } [INFO] [stderr] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 268 | #[inline] pub fn iter(&self) -> Iter<'_, C> { self.string.iter() } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/monoid.rs:292:31 [INFO] [stderr] | [INFO] [stderr] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut where M:MonoidRule { [INFO] [stderr] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 292 | #[inline] pub fn iter_mut(&mut self) -> IterMut<'_, C,M> where M:MonoidRule { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `free-algebra` (lib) generated 6 warnings (run `cargo fix --lib -p free-algebra` to apply 2 suggestions) [INFO] [stderr] warning: `free-algebra` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/free_algebra-f70d3b0989a68e2f) [INFO] running `Command { std: "docker" "inspect" "f315a05500cfb378c78d38ebb169ae400c90f699fde056061b649ced3a672b83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f315a05500cfb378c78d38ebb169ae400c90f699fde056061b649ced3a672b83", kill_on_drop: false }` [INFO] [stdout] f315a05500cfb378c78d38ebb169ae400c90f699fde056061b649ced3a672b83