[INFO] crate fp-core 0.1.9 is already in cache
[INFO] checking fp-core-0.1.9 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate fp-core 0.1.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fp-core 0.1.9 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 122b320ccbfb583e1cf57d63567d0b56c5ec5aff10e606aa5ec2350d2804c9c8
[INFO] running `"docker" "start" "-a" "122b320ccbfb583e1cf57d63567d0b56c5ec5aff10e606aa5ec2350d2804c9c8"`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fp-core v0.1.9 (/opt/rustwide/workdir)
[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<B, S: HKT<B>> = <S as HKT<Box<Fn(<S as HKT<B>>::Current) -> B>>>::Target;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(<S as HKT<B>>::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<B>: Functor<B> + HKT<Box<Fn(<Self as HKT<B>>::Current) -> B>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(<Self as HKT<B>>::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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/apply.rs:4:47
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Applicator<B, S: HKT<B>> = <S as HKT<Box<Fn(<S as HKT<B>>::Current) -> B>>>::Target;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(<S as HKT<B>>::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<B>: Functor<B> + HKT<Box<Fn(<Self as HKT<B>>::Current) -> B>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(<Self as HKT<B>>::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<B, S: HKT<B>> = <S as HKT<Box<Fn(<S as HKT<B>>::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<B, S> = <S as HKT<Box<Fn(<S as HKT<B>>::Current) -> B>>>::Target;
[INFO] [stderr]   |                    --
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[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<B, S: HKT<B>> = <S as HKT<Box<Fn(<S as HKT<B>>::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<B, S> = <S as HKT<Box<Fn(<S as HKT<B>>::Current) -> B>>>::Target;
[INFO] [stderr]   |                    --
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `"docker" "inspect" "122b320ccbfb583e1cf57d63567d0b56c5ec5aff10e606aa5ec2350d2804c9c8"`
[INFO] running `"docker" "rm" "-f" "122b320ccbfb583e1cf57d63567d0b56c5ec5aff10e606aa5ec2350d2804c9c8"`
[INFO] [stdout] 122b320ccbfb583e1cf57d63567d0b56c5ec5aff10e606aa5ec2350d2804c9c8