[INFO] fetching crate fp-core 0.1.9... [INFO] testing fp-core-0.1.9 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate fp-core 0.1.9 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate fp-core 0.1.9 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fp-core 0.1.9 [INFO] finished tweaking crates.io crate fp-core 0.1.9 [INFO] tweaked toml for crates.io crate fp-core 0.1.9 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 045cd8d9e18e832cc8131860bfe486eb2df09672ab294f729aa6ff9e201074ad [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "045cd8d9e18e832cc8131860bfe486eb2df09672ab294f729aa6ff9e201074ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "045cd8d9e18e832cc8131860bfe486eb2df09672ab294f729aa6ff9e201074ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "045cd8d9e18e832cc8131860bfe486eb2df09672ab294f729aa6ff9e201074ad", kill_on_drop: false }` [INFO] [stdout] 045cd8d9e18e832cc8131860bfe486eb2df09672ab294f729aa6ff9e201074ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8550870b164f86e20cc9a355802d024fecef997a0351570ed522e8226ccf7d3e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8550870b164f86e20cc9a355802d024fecef997a0351570ed522e8226ccf7d3e", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling fp-core v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:6:42 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Apply: Functor + HKT>::Current) -> B>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/monoid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/semigroup.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 31 | Vec::empty() [INFO] [stdout] | ------------ recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 37 | String::empty() [INFO] [stdout] | --------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/apply.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator = >::Current) -> B>>>::Target; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "8550870b164f86e20cc9a355802d024fecef997a0351570ed522e8226ccf7d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8550870b164f86e20cc9a355802d024fecef997a0351570ed522e8226ccf7d3e", kill_on_drop: false }` [INFO] [stdout] 8550870b164f86e20cc9a355802d024fecef997a0351570ed522e8226ccf7d3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8adc215f838d5fc0ea24ab858ed23f5ca8db349f05eec38e7ec6fd5211c991a7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8adc215f838d5fc0ea24ab858ed23f5ca8db349f05eec38e7ec6fd5211c991a7", kill_on_drop: false }` [INFO] [stderr] Compiling fp-core v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:6:42 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Apply: Functor + HKT>::Current) -> B>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/monoid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/semigroup.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 31 | Vec::empty() [INFO] [stdout] | ------------ recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 37 | String::empty() [INFO] [stdout] | --------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/apply.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator = >::Current) -> B>>>::Target; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:4:47 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/apply.rs:6:42 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Apply: Functor + HKT>::Current) -> B>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/monoid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/semigroup.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 31 | Vec::empty() [INFO] [stdout] | ------------ recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/empty.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | fn empty() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 37 | String::empty() [INFO] [stdout] | --------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stdout] --> src/apply.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stdout] | [INFO] [stdout] 4 | type Applicator = >::Current) -> B>>>::Target; [INFO] [stdout] | -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "8adc215f838d5fc0ea24ab858ed23f5ca8db349f05eec38e7ec6fd5211c991a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8adc215f838d5fc0ea24ab858ed23f5ca8db349f05eec38e7ec6fd5211c991a7", kill_on_drop: false }` [INFO] [stdout] 8adc215f838d5fc0ea24ab858ed23f5ca8db349f05eec38e7ec6fd5211c991a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 56c9c1eedf1e38def306ed6462aa959c68d6c31cf35b974e7e8d9c4c5184d748 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "56c9c1eedf1e38def306ed6462aa959c68d6c31cf35b974e7e8d9c4c5184d748", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/apply.rs:4:47 [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/apply.rs:6:42 [INFO] [stderr] | [INFO] [stderr] 6 | pub trait Apply: Functor + HKT>::Current) -> B>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/monoid.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/semigroup.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function cannot return without recursing [INFO] [stderr] --> src/empty.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | fn empty() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] 31 | Vec::empty() [INFO] [stderr] | ------------ recursive call site [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [INFO] [stderr] [INFO] [stderr] warning: function cannot return without recursing [INFO] [stderr] --> src/empty.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | fn empty() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] 37 | String::empty() [INFO] [stderr] | --------------- recursive call site [INFO] [stderr] | [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/apply.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator = >::Current) -> B>>>::Target; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/apply.rs:4:47 [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/apply.rs:6:42 [INFO] [stderr] | [INFO] [stderr] 6 | pub trait Apply: Functor + HKT>::Current) -> B>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(>::Current) -> B` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/monoid.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/semigroup.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function cannot return without recursing [INFO] [stderr] --> src/empty.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | fn empty() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] 31 | Vec::empty() [INFO] [stderr] | ------------ recursive call site [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [INFO] [stderr] [INFO] [stderr] warning: function cannot return without recursing [INFO] [stderr] --> src/empty.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | fn empty() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stderr] 37 | String::empty() [INFO] [stderr] | --------------- recursive call site [INFO] [stderr] | [INFO] [stderr] = help: a `loop` may express intention better if this is on purpose [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/apply.rs:4:23 [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator> = >::Current) -> B>>>::Target; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 4 | type Applicator = >::Current) -> B>>>::Target; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fp_core-ae1267539f57e8e6 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests fp-core [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "56c9c1eedf1e38def306ed6462aa959c68d6c31cf35b974e7e8d9c4c5184d748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56c9c1eedf1e38def306ed6462aa959c68d6c31cf35b974e7e8d9c4c5184d748", kill_on_drop: false }` [INFO] [stdout] 56c9c1eedf1e38def306ed6462aa959c68d6c31cf35b974e7e8d9c4c5184d748