[INFO] fetching crate pin-rc 0.1.0...
[INFO] checking pin-rc-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate pin-rc 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pin-rc 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pin-rc 0.1.0
[INFO] finished tweaking crates.io crate pin-rc 0.1.0
[INFO] tweaked toml for crates.io crate pin-rc 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fc805e8bde457c5ffd91993f382d8d8fb0a50c5ec6ab94501f92e1d06aa2a15
[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" "8fc805e8bde457c5ffd91993f382d8d8fb0a50c5ec6ab94501f92e1d06aa2a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc805e8bde457c5ffd91993f382d8d8fb0a50c5ec6ab94501f92e1d06aa2a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc805e8bde457c5ffd91993f382d8d8fb0a50c5ec6ab94501f92e1d06aa2a15", kill_on_drop: false }`
[INFO] [stdout] 8fc805e8bde457c5ffd91993f382d8d8fb0a50c5ec6ab94501f92e1d06aa2a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc0b75467cc2f9f30c3a1f82e7763e41f4d4ed2cf26fb11cb16aa1509927ff0
[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" "5fc0b75467cc2f9f30c3a1f82e7763e41f4d4ed2cf26fb11cb16aa1509927ff0", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin`
[INFO] [stdout]  --> src/pin_rc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Pin` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin`
[INFO] [stdout]  --> src/pin_arc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Pin` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin`
[INFO] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::mem::Pin;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ no `Pin` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin`
[INFO] [stdout]  --> src/pin_rc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Pin` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::mem::Pin`
[INFO] [stdout]  --> src/pin_arc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Pin` in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(generators)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(generators)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |             for i in 0..10 {
[INFO] [stdout]    |                      ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |             for i in 0..10 {
[INFO] [stdout]    |                         ^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |             for i in 0..10 {
[INFO] [stdout]    |                      ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |             for i in 0..10 {
[INFO] [stdout]    |                      ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             for i in 0..10 {
[INFO] [stdout]    |                 ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                       ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for i in 0..10 {
[INFO] [stdout]    |                      ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for i in 0..10 {
[INFO] [stdout]    |                         ^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for i in 0..10 {
[INFO] [stdout]    |                      ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for i in 0..10 {
[INFO] [stdout]    |                      ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |             for i in 0..10 {
[INFO] [stdout]    |                 ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/lib.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                       ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/lib.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 yield i;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-rc`
[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] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5fc0b75467cc2f9f30c3a1f82e7763e41f4d4ed2cf26fb11cb16aa1509927ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc0b75467cc2f9f30c3a1f82e7763e41f4d4ed2cf26fb11cb16aa1509927ff0", kill_on_drop: false }`
[INFO] [stdout] 5fc0b75467cc2f9f30c3a1f82e7763e41f4d4ed2cf26fb11cb16aa1509927ff0