[INFO] fetching crate existential 0.1.1...
[INFO] checking existential-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate existential 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate existential 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate existential 0.1.1
[INFO] finished tweaking crates.io crate existential 0.1.1
[INFO] tweaked toml for crates.io crate existential 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23a55470936361466c91b00144e531ebe6c436dda52adb2a937383e537429b11
[INFO] running `Command { std: "docker" "start" "-a" "23a55470936361466c91b00144e531ebe6c436dda52adb2a937383e537429b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a55470936361466c91b00144e531ebe6c436dda52adb2a937383e537429b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a55470936361466c91b00144e531ebe6c436dda52adb2a937383e537429b11", kill_on_drop: false }`
[INFO] [stdout] 23a55470936361466c91b00144e531ebe6c436dda52adb2a937383e537429b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 027c7e8bf46d65fa158e0433f4ab5dc06808df35a1947392a934ccc07a57582e
[INFO] running `Command { std: "docker" "start" "-a" "027c7e8bf46d65fa158e0433f4ab5dc06808df35a1947392a934ccc07a57582e", kill_on_drop: false }`
[INFO] [stderr]     Checking existential v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]    --> src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | / pub struct Existential<'lower_bound, C>
[INFO] [stdout] 116 | | where
[INFO] [stdout] 117 | |     C: TyCon,
[INFO] [stdout] 118 | | {
[INFO] [stdout] 119 | |     marker: PhantomData<&'lower_bound ()>,
[INFO] [stdout] 120 | |     inner: Apply<'lower_bound, C>,
[INFO] [stdout] 121 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:61:5
[INFO] [stdout]     |
[INFO] [stdout] 61  |     missing_debug_implementations,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]    --> src/lib.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub trait TyConFor<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:62:5
[INFO] [stdout]     |
[INFO] [stdout] 62  |     missing_docs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated type
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     type Applied;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a type alias
[INFO] [stdout]    --> src/lib.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub type Apply<'a, C> = <C as TyConFor<'a>>::Applied;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a trait
[INFO] [stdout]    --> src/lib.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub trait TyCon: for<'a> TyConFor<'a> {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | / pub struct Existential<'lower_bound, C>
[INFO] [stdout] 116 | | where
[INFO] [stdout] 117 | |     C: TyCon,
[INFO] [stdout] 118 | | {
[INFO] [stdout] 119 | |     marker: PhantomData<&'lower_bound ()>,
[INFO] [stdout] 120 | |     inner: Apply<'lower_bound, C>,
[INFO] [stdout] 121 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
[INFO] [stdout]    --> src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | / pub struct Existential<'lower_bound, C>
[INFO] [stdout] 116 | | where
[INFO] [stdout] 117 | |     C: TyCon,
[INFO] [stdout] 118 | | {
[INFO] [stdout] 119 | |     marker: PhantomData<&'lower_bound ()>,
[INFO] [stdout] 120 | |     inner: Apply<'lower_bound, C>,
[INFO] [stdout] 121 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:61:5
[INFO] [stdout]     |
[INFO] [stdout] 61  |     missing_debug_implementations,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn new<'a: 'lower_bound>(inner: Apply<'a, C>) -> Existential<'lower_bound, C> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | /     pub fn with<'s, F, O>(&'s self, f: F) -> O
[INFO] [stdout] 137 | |     where
[INFO] [stdout] 138 | |         F: for<'a> FnOnce(&'s Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O,
[INFO] [stdout] 139 | |     {
[INFO] [stdout] 140 | |         f(&self.inner, PhantomData)
[INFO] [stdout] 141 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     pub fn with_mut<'s, F, O>(&'s mut self, f: F) -> O
[INFO] [stdout] 143 | |     where
[INFO] [stdout] 144 | |         F: for<'a> FnOnce(&'s mut Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O,
[INFO] [stdout] 145 | |     {
[INFO] [stdout] 146 | |         f(&mut self.inner, PhantomData)
[INFO] [stdout] 147 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     pub fn with_owned<F, O>(self, f: F) -> O
[INFO] [stdout] 149 | |     where
[INFO] [stdout] 150 | |         F: for<'a> FnOnce(Apply<'a, C>, PhantomData<&'lower_bound &'a ()>) -> O,
[INFO] [stdout] 151 | |     {
[INFO] [stdout] 152 | |         f(self.inner, PhantomData)
[INFO] [stdout] 153 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "027c7e8bf46d65fa158e0433f4ab5dc06808df35a1947392a934ccc07a57582e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027c7e8bf46d65fa158e0433f4ab5dc06808df35a1947392a934ccc07a57582e", kill_on_drop: false }`
[INFO] [stdout] 027c7e8bf46d65fa158e0433f4ab5dc06808df35a1947392a934ccc07a57582e