[INFO] fetching crate ratz 0.0.1...
[INFO] testing ratz-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ratz 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ratz 0.0.1
[INFO] finished tweaking crates.io crate ratz 0.0.1
[INFO] tweaked toml for crates.io crate ratz 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratz 0.0.1 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2d1f8d82bf9452165e9e9d2e9acf542f3c1998ba5bf0a40ba91f871f4191bbde
[INFO] running `Command { std: "docker" "start" "-a" "2d1f8d82bf9452165e9e9d2e9acf542f3c1998ba5bf0a40ba91f871f4191bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1f8d82bf9452165e9e9d2e9acf542f3c1998ba5bf0a40ba91f871f4191bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1f8d82bf9452165e9e9d2e9acf542f3c1998ba5bf0a40ba91f871f4191bbde", kill_on_drop: false }`
[INFO] [stdout] 2d1f8d82bf9452165e9e9d2e9acf542f3c1998ba5bf0a40ba91f871f4191bbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4ad682131381e7e2e424cf3cc05311ae1aff83c6dad343f2cd82f90f8249d103
[INFO] running `Command { std: "docker" "start" "-a" "4ad682131381e7e2e424cf3cc05311ae1aff83c6dad343f2cd82f90f8249d103", kill_on_drop: false }`
[INFO] [stderr]    Compiling ratz v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Associative` is never used
[INFO] [stdout]  --> src/associative.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Associative {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeBoth` is never used
[INFO] [stdout]  --> src/associative_both.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait AssociativeBoth<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeEither` is never used
[INFO] [stdout]  --> src/associative_either.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait AssociativeEither<'a>: Hkt<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeFlatten` is never used
[INFO] [stdout]  --> src/associative_flatten.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AssociativeFlatten<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Commutative` is never used
[INFO] [stdout]  --> src/commutative.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Commutative: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]  --> src/core.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Either<A, B> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Covariant` is never used
[INFO] [stdout]  --> src/covariant.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Covariant<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt` is never used
[INFO] [stdout]  --> src/hkt.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt<'a> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror` is never used
[INFO] [stdout]  --> src/hkt.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt2` is never used
[INFO] [stdout]  --> src/hkt2.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt2<'a> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror2` is never used
[INFO] [stdout]  --> src/hkt2.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror2<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Idempotent` is never used
[INFO] [stdout]  --> src/idempotent.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Idempotent: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Identity` is never used
[INFO] [stdout]  --> src/identity.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Identity: Associative {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityBoth` is never used
[INFO] [stdout]  --> src/identity_both.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait IdentityBoth<'a>: AssociativeBoth<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityFlatten` is never used
[INFO] [stdout]  --> src/identity_flatten.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait IdentityFlatten<'a>: AssociativeFlatten<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Inverse` is never used
[INFO] [stdout]  --> src/inverse.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Inverse: Identity {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]  --> src/monad.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Monad<'a>: AssociativeFlatten<'a> + Covariant<'a> {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MonadSyntax` is never used
[INFO] [stdout]   --> src/monad.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait MonadSyntax<'a, Mon: Monad<'a>>: Mirror<'a, Family = Mon> {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Traversable` is never used
[INFO] [stdout]  --> src/traversable.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Traversable<'a>: Covariant<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "4ad682131381e7e2e424cf3cc05311ae1aff83c6dad343f2cd82f90f8249d103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad682131381e7e2e424cf3cc05311ae1aff83c6dad343f2cd82f90f8249d103", kill_on_drop: false }`
[INFO] [stdout] 4ad682131381e7e2e424cf3cc05311ae1aff83c6dad343f2cd82f90f8249d103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 932f7ba7c303cba35246c3a3cdaeacce3eaeb2ce3586d5b3a768a4a7bd3ea8c0
[INFO] running `Command { std: "docker" "start" "-a" "932f7ba7c303cba35246c3a3cdaeacce3eaeb2ce3586d5b3a768a4a7bd3ea8c0", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Associative` is never used
[INFO] [stdout]  --> src/associative.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Associative {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeBoth` is never used
[INFO] [stdout]  --> src/associative_both.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait AssociativeBoth<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeEither` is never used
[INFO] [stdout]  --> src/associative_either.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait AssociativeEither<'a>: Hkt<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeFlatten` is never used
[INFO] [stdout]  --> src/associative_flatten.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AssociativeFlatten<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Commutative` is never used
[INFO] [stdout]  --> src/commutative.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Commutative: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]  --> src/core.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Either<A, B> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Covariant` is never used
[INFO] [stdout]  --> src/covariant.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Covariant<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt` is never used
[INFO] [stdout]  --> src/hkt.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt<'a> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror` is never used
[INFO] [stdout]  --> src/hkt.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt2` is never used
[INFO] [stdout]  --> src/hkt2.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt2<'a> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror2` is never used
[INFO] [stdout]  --> src/hkt2.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror2<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Idempotent` is never used
[INFO] [stdout]  --> src/idempotent.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Idempotent: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Identity` is never used
[INFO] [stdout]  --> src/identity.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Identity: Associative {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityBoth` is never used
[INFO] [stdout]  --> src/identity_both.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait IdentityBoth<'a>: AssociativeBoth<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityFlatten` is never used
[INFO] [stdout]  --> src/identity_flatten.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait IdentityFlatten<'a>: AssociativeFlatten<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Inverse` is never used
[INFO] [stdout]  --> src/inverse.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Inverse: Identity {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]  --> src/monad.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Monad<'a>: AssociativeFlatten<'a> + Covariant<'a> {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MonadSyntax` is never used
[INFO] [stdout]   --> src/monad.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait MonadSyntax<'a, Mon: Monad<'a>>: Mirror<'a, Family = Mon> {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ratz v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Traversable` is never used
[INFO] [stdout]  --> src/traversable.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Traversable<'a>: Covariant<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Associative` is never used
[INFO] [stdout]  --> src/associative.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Associative {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeBoth` is never used
[INFO] [stdout]  --> src/associative_both.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait AssociativeBoth<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeEither` is never used
[INFO] [stdout]  --> src/associative_either.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait AssociativeEither<'a>: Hkt<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssociativeFlatten` is never used
[INFO] [stdout]  --> src/associative_flatten.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait AssociativeFlatten<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Commutative` is never used
[INFO] [stdout]  --> src/commutative.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Commutative: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]  --> src/core.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Either<A, B> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Covariant` is never used
[INFO] [stdout]  --> src/covariant.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Covariant<'a>: Hkt<'a> {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt` is never used
[INFO] [stdout]  --> src/hkt.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt<'a> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror` is never used
[INFO] [stdout]  --> src/hkt.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hkt2` is never used
[INFO] [stdout]  --> src/hkt2.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Hkt2<'a> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Mirror2` is never used
[INFO] [stdout]  --> src/hkt2.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Mirror2<'a>: Sized + 'a {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Idempotent` is never used
[INFO] [stdout]  --> src/idempotent.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Idempotent: Associative {}
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Identity` is never used
[INFO] [stdout]  --> src/identity.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Identity: Associative {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityBoth` is never used
[INFO] [stdout]  --> src/identity_both.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait IdentityBoth<'a>: AssociativeBoth<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IdentityFlatten` is never used
[INFO] [stdout]  --> src/identity_flatten.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait IdentityFlatten<'a>: AssociativeFlatten<'a> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Inverse` is never used
[INFO] [stdout]  --> src/inverse.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Inverse: Identity {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]  --> src/monad.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Monad<'a>: AssociativeFlatten<'a> + Covariant<'a> {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MonadSyntax` is never used
[INFO] [stdout]   --> src/monad.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait MonadSyntax<'a, Mon: Monad<'a>>: Mirror<'a, Family = Mon> {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Traversable` is never used
[INFO] [stdout]  --> src/traversable.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Traversable<'a>: Covariant<'a> {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "932f7ba7c303cba35246c3a3cdaeacce3eaeb2ce3586d5b3a768a4a7bd3ea8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932f7ba7c303cba35246c3a3cdaeacce3eaeb2ce3586d5b3a768a4a7bd3ea8c0", kill_on_drop: false }`
[INFO] [stdout] 932f7ba7c303cba35246c3a3cdaeacce3eaeb2ce3586d5b3a768a4a7bd3ea8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fd77f063f09f2c635c8948aa5ab9654a77446c9ca4163a12a6e43cee3de38603
[INFO] running `Command { std: "docker" "start" "-a" "fd77f063f09f2c635c8948aa5ab9654a77446c9ca4163a12a6e43cee3de38603", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(generic_associated_types)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Associative` is never used
[INFO] [stderr]  --> src/associative.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Associative {
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssociativeBoth` is never used
[INFO] [stderr]  --> src/associative_both.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait AssociativeBoth<'a>: Hkt<'a> {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssociativeEither` is never used
[INFO] [stderr]  --> src/associative_either.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait AssociativeEither<'a>: Hkt<'a> {
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssociativeFlatten` is never used
[INFO] [stderr]  --> src/associative_flatten.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait AssociativeFlatten<'a>: Hkt<'a> {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Commutative` is never used
[INFO] [stderr]  --> src/commutative.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Commutative: Associative {}
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Either` is never used
[INFO] [stderr]  --> src/core.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Either<A, B> {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Covariant` is never used
[INFO] [stderr]  --> src/covariant.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Covariant<'a>: Hkt<'a> {
[INFO] [stderr]   |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Hkt` is never used
[INFO] [stderr]  --> src/hkt.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Hkt<'a> {
[INFO] [stderr]   |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Mirror` is never used
[INFO] [stderr]  --> src/hkt.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait Mirror<'a>: Sized + 'a {
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Hkt2` is never used
[INFO] [stderr]  --> src/hkt2.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Hkt2<'a> {
[INFO] [stderr]   |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Mirror2` is never used
[INFO] [stderr]  --> src/hkt2.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait Mirror2<'a>: Sized + 'a {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Idempotent` is never used
[INFO] [stderr]  --> src/idempotent.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Idempotent: Associative {}
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Identity` is never used
[INFO] [stderr]  --> src/identity.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Identity: Associative {
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IdentityBoth` is never used
[INFO] [stderr]  --> src/identity_both.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait IdentityBoth<'a>: AssociativeBoth<'a> {
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IdentityFlatten` is never used
[INFO] [stderr]  --> src/identity_flatten.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub trait IdentityFlatten<'a>: AssociativeFlatten<'a> {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Inverse` is never used
[INFO] [stderr]  --> src/inverse.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Inverse: Identity {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Monad` is never used
[INFO] [stderr]  --> src/monad.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Monad<'a>: AssociativeFlatten<'a> + Covariant<'a> {
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MonadSyntax` is never used
[INFO] [stderr]   --> src/monad.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub trait MonadSyntax<'a, Mon: Monad<'a>>: Mirror<'a, Family = Mon> {
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Traversable` is never used
[INFO] [stderr]  --> src/traversable.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Traversable<'a>: Covariant<'a> {
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ratz` (lib) generated 20 warnings
[INFO] [stderr] warning: `ratz` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ratz-87781c83bcb0c5ff)
[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" "fd77f063f09f2c635c8948aa5ab9654a77446c9ca4163a12a6e43cee3de38603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd77f063f09f2c635c8948aa5ab9654a77446c9ca4163a12a6e43cee3de38603", kill_on_drop: false }`
[INFO] [stdout] fd77f063f09f2c635c8948aa5ab9654a77446c9ca4163a12a6e43cee3de38603