[INFO] fetching crate pin-rc 0.1.0... [INFO] testing pin-rc-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate pin-rc 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate pin-rc 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34cdd49399109e177c8a5a3d00b3f9e299f5a0511e48dae37ecbc417156d05c6 [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" "34cdd49399109e177c8a5a3d00b3f9e299f5a0511e48dae37ecbc417156d05c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34cdd49399109e177c8a5a3d00b3f9e299f5a0511e48dae37ecbc417156d05c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34cdd49399109e177c8a5a3d00b3f9e299f5a0511e48dae37ecbc417156d05c6", kill_on_drop: false }` [INFO] [stdout] 34cdd49399109e177c8a5a3d00b3f9e299f5a0511e48dae37ecbc417156d05c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 29ed2c984a9d88e89e426de3cd64b82649c81fb4a0050b0a661a8e0eae5242e9 [INFO] running `Command { std: "docker" "start" "-a" "29ed2c984a9d88e89e426de3cd64b82649c81fb4a0050b0a661a8e0eae5242e9", kill_on_drop: false }` [INFO] [stderr] Compiling 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[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 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 for more information [INFO] [stdout] = help: add `#![feature(generators)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [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: could not compile `pin-rc` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "29ed2c984a9d88e89e426de3cd64b82649c81fb4a0050b0a661a8e0eae5242e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29ed2c984a9d88e89e426de3cd64b82649c81fb4a0050b0a661a8e0eae5242e9", kill_on_drop: false }` [INFO] [stdout] 29ed2c984a9d88e89e426de3cd64b82649c81fb4a0050b0a661a8e0eae5242e9