[INFO] fetching crate pin-api 0.2.1...
[INFO] checking pin-api-0.2.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate pin-api 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pin-api 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-api 0.2.1
[INFO] finished tweaking crates.io crate pin-api 0.2.1
[INFO] tweaked toml for crates.io crate pin-api 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "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] 21171c6f1ae5faf9603532a3690b5a7e6ce5bb9461af8c02042403bb4a6e2ea6
[INFO] running `Command { std: "docker" "start" "-a" "21171c6f1ae5faf9603532a3690b5a7e6ce5bb9461af8c02042403bb4a6e2ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21171c6f1ae5faf9603532a3690b5a7e6ce5bb9461af8c02042403bb4a6e2ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21171c6f1ae5faf9603532a3690b5a7e6ce5bb9461af8c02042403bb4a6e2ea6", kill_on_drop: false }`
[INFO] [stdout] 21171c6f1ae5faf9603532a3690b5a7e6ce5bb9461af8c02042403bb4a6e2ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38920668e331a3317b642c88098582fb2b172547e30a15eed02bb0ba16506958
[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" "38920668e331a3317b642c88098582fb2b172547e30a15eed02bb0ba16506958", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pin-api v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `incoherent_fundamental_impls` has been removed: converted into hard error, see issue #46205 <https://github.com/rust-lang/rust/issues/46205> for more information
[INFO] [stdout]   --> src/boxed.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[allow(incoherent_fundamental_impls)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:55
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `incoherent_fundamental_impls` has been removed: converted into hard error, see issue #46205 <https://github.com/rust-lang/rust/issues/46205> for more information
[INFO] [stdout]   --> src/boxed.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[allow(incoherent_fundamental_impls)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]  --> src/marker.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub auto trait Unpin { }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::Into<std::boxed::Box<_>>` for type `boxed::PinBox<_>`
[INFO] [stdout]   --> src/boxed.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T: Unpin + ?Sized> Into<Box<T>> for PinBox<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<T, U> Into<U> for T
[INFO] [stdout]              where U: From<T>;
[INFO] [stdout]    = note: downstream crates may implement trait `std::convert::From<boxed::PinBox<_>>` for type `std::boxed::Box<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]  --> src/marker.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub auto trait Unpin { }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0554, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-api` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::Into<std::boxed::Box<_>>` for type `boxed::PinBox<_>`
[INFO] [stdout]   --> src/boxed.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T: Unpin + ?Sized> Into<Box<T>> for PinBox<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<T, U> Into<U> for T
[INFO] [stdout]              where U: From<T>;
[INFO] [stdout]    = note: downstream crates may implement trait `std::convert::From<boxed::PinBox<_>>` for type `std::boxed::Box<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0554, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "38920668e331a3317b642c88098582fb2b172547e30a15eed02bb0ba16506958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38920668e331a3317b642c88098582fb2b172547e30a15eed02bb0ba16506958", kill_on_drop: false }`
[INFO] [stdout] 38920668e331a3317b642c88098582fb2b172547e30a15eed02bb0ba16506958
