[INFO] fetching crate pin-project 0.4.25...
[INFO] checking pin-project-0.4.25 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pin-project 0.4.25 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pin-project 0.4.25 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-project 0.4.25
[INFO] finished tweaking crates.io crate pin-project 0.4.25
[INFO] tweaked toml for crates.io crate pin-project 0.4.25 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pin-project 0.4.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d472b3849b39c34ac9ab4f01a4039535ba52ffde232b230ccd52345181882e4
[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" "3d472b3849b39c34ac9ab4f01a4039535ba52ffde232b230ccd52345181882e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d472b3849b39c34ac9ab4f01a4039535ba52ffde232b230ccd52345181882e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d472b3849b39c34ac9ab4f01a4039535ba52ffde232b230ccd52345181882e4", kill_on_drop: false }`
[INFO] [stdout] 3d472b3849b39c34ac9ab4f01a4039535ba52ffde232b230ccd52345181882e4
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ada7f6d2699c6720942bbc21f10f5e0ebd52604625bb88e6b110a0ddfab72a8
[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" "6ada7f6d2699c6720942bbc21f10f5e0ebd52604625bb88e6b110a0ddfab72a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking pin-project v0.4.25 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]  --> tests/compiletest.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[rustversion::attr(not(nightly), ignore)]
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `trybuild`
[INFO] [stdout]  --> tests/compiletest.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let t = trybuild::TestCases::new();
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared crate or module `trybuild`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-project`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: bounds on `T: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]    --> examples/struct-default-expanded.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |     impl<T: ::pin_project::__private::Drop> StructMustNotImplDrop for T {}
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `T: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> examples/unsafe_unpin-expanded.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     impl<T: ::pin_project::__private::Drop> StructMustNotImplDrop for T {}
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/pinned_drop.rs:186:3
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[rustversion::since(1.40)] // https://github.com/rust-lang/rust/pull/64690
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/pinned_drop.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 | #[rustversion::since(1.37)] // type_alias_enum_variants requires Rust 1.37
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `pin_project`
[INFO] [stdout]    --> tests/pinned_drop.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 |     #[pin_project(PinnedDrop)]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `pinned_drop`
[INFO] [stdout]    --> tests/pinned_drop.rs:197:7
[INFO] [stdout]     |
[INFO] [stdout] 197 |     #[pinned_drop]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `pin_project`
[INFO] [stdout]    --> tests/pinned_drop.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 |     #[pin_project(PinnedDrop)]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `pinned_drop`
[INFO] [stdout]    --> tests/pinned_drop.rs:167:7
[INFO] [stdout]     |
[INFO] [stdout] 167 |     #[pinned_drop]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `PinnedDrop` in this scope
[INFO] [stdout]    --> tests/pinned_drop.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |     impl PinnedDrop for Enum {
[INFO] [stdout]     |          ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 3   | use pin_project::__private::PinnedDrop;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `PinnedDrop` in this scope
[INFO] [stdout]    --> tests/pinned_drop.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 198 |     impl PinnedDrop for Struct {
[INFO] [stdout]     |          ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 3   | use pin_project::__private::PinnedDrop;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]   --> tests/project.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[rustversion::since(1.43)]
[INFO] [stdout]    |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rustversion`
[INFO] [stdout]    --> tests/pin_project.rs:457:3
[INFO] [stdout]     |
[INFO] [stdout] 457 | #[rustversion::since(1.36)] // https://github.com/rust-lang/rust/pull/61207
[INFO] [stdout]     |   ^^^^^^^^^^^ use of undeclared crate or module `rustversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ada7f6d2699c6720942bbc21f10f5e0ebd52604625bb88e6b110a0ddfab72a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ada7f6d2699c6720942bbc21f10f5e0ebd52604625bb88e6b110a0ddfab72a8", kill_on_drop: false }`
[INFO] [stdout] 6ada7f6d2699c6720942bbc21f10f5e0ebd52604625bb88e6b110a0ddfab72a8