[INFO] cloning repository https://github.com/jackmead515/rust_ds [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackmead515/rust_ds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_ds"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_ds'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b63e17a509d2ff27ef0955430e4a67abdd8f1aac [INFO] checking jackmead515/rust_ds against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_ds" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jackmead515/rust_ds on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jackmead515/rust_ds [INFO] finished tweaking git repo https://github.com/jackmead515/rust_ds [INFO] tweaked toml for git repo https://github.com/jackmead515/rust_ds written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jackmead515/rust_ds already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bd506b98e4524795c4065580dc69a45d7f5bfc417200ec1dcf8fd86be4e8f17e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "bd506b98e4524795c4065580dc69a45d7f5bfc417200ec1dcf8fd86be4e8f17e"` [INFO] [stderr] Checking rust_ds v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0507]: cannot move out of `self.root` which is behind a mutable reference [INFO] [stderr] --> src/ds/bst.rs:37:46 [INFO] [stderr] | [INFO] [stderr] 37 | let mut parent: *mut Box> = &mut self.root.unwrap(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `self.root` has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `self.root.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `*current` which is behind a shared reference [INFO] [stderr] --> src/ds/bst.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | parent = &mut current.unwrap(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `*current` has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `current.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0506]: cannot assign to `self.root` because it is borrowed [INFO] [stderr] --> src/ds/bst.rs:45:11 [INFO] [stderr] | [INFO] [stderr] 38 | let mut current = &self.root; [INFO] [stderr] | ---------- borrow of `self.root` occurs here [INFO] [stderr] 39 | [INFO] [stderr] 40 | while current.is_some() { [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] ... [INFO] [stderr] 45 | self.root = Some(self.root.as_ref().unwrap().left.as_ref().unwrap().clone()); [INFO] [stderr] | ^^^^^^^^^ assignment to borrowed `self.root` occurs here [INFO] [stderr] [INFO] [stderr] error[E0506]: cannot assign to `self.root` because it is borrowed [INFO] [stderr] --> src/ds/bst.rs:48:11 [INFO] [stderr] | [INFO] [stderr] 38 | let mut current = &self.root; [INFO] [stderr] | ---------- borrow of `self.root` occurs here [INFO] [stderr] 39 | [INFO] [stderr] 40 | while current.is_some() { [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] ... [INFO] [stderr] 48 | self.root = Some(self.root.as_ref().unwrap().right.as_ref().unwrap().clone()); [INFO] [stderr] | ^^^^^^^^^ assignment to borrowed `self.root` occurs here [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of a shared reference [INFO] [stderr] --> src/ds/bst.rs:61:14 [INFO] [stderr] | [INFO] [stderr] 61 | *parent.as_ref().unwrap().left.unwrap() = Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because value has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `parent.as_ref().unwrap().left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `self.root` which is behind a mutable reference [INFO] [stderr] --> src/ds/bst.rs:37:46 [INFO] [stderr] | [INFO] [stderr] 37 | let mut parent: *mut Box> = &mut self.root.unwrap(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `self.root` has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `self.root.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `*current` which is behind a shared reference [INFO] [stderr] --> src/ds/bst.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | parent = &mut current.unwrap(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because `*current` has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `current.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0506]: cannot assign to `self.root` because it is borrowed [INFO] [stderr] --> src/ds/bst.rs:45:11 [INFO] [stderr] | [INFO] [stderr] 38 | let mut current = &self.root; [INFO] [stderr] | ---------- borrow of `self.root` occurs here [INFO] [stderr] 39 | [INFO] [stderr] 40 | while current.is_some() { [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] ... [INFO] [stderr] 45 | self.root = Some(self.root.as_ref().unwrap().left.as_ref().unwrap().clone()); [INFO] [stderr] | ^^^^^^^^^ assignment to borrowed `self.root` occurs here [INFO] [stderr] [INFO] [stderr] error[E0506]: cannot assign to `self.root` because it is borrowed [INFO] [stderr] --> src/ds/bst.rs:48:11 [INFO] [stderr] | [INFO] [stderr] 38 | let mut current = &self.root; [INFO] [stderr] | ---------- borrow of `self.root` occurs here [INFO] [stderr] 39 | [INFO] [stderr] 40 | while current.is_some() { [INFO] [stderr] | ------- borrow later used here [INFO] [stderr] ... [INFO] [stderr] 48 | self.root = Some(self.root.as_ref().unwrap().right.as_ref().unwrap().clone()); [INFO] [stderr] | ^^^^^^^^^ assignment to borrowed `self.root` occurs here [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of a shared reference [INFO] [stderr] --> src/ds/bst.rs:61:14 [INFO] [stderr] | [INFO] [stderr] 61 | *parent.as_ref().unwrap().left.unwrap() = Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | move occurs because value has type `std::option::Option>>`, which does not implement the `Copy` trait [INFO] [stderr] | help: consider borrowing the `Option`'s content: `parent.as_ref().unwrap().left.as_ref()` [INFO] [stderr] [INFO] [stderr] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block [INFO] [stderr] --> src/ds/bst.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | match data.cmp(parent.as_ref().unwrap().data.as_ref().unwrap()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stderr] | [INFO] [stderr] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0133, E0506, E0507. [INFO] [stderr] For more information about an error, try `rustc --explain E0133`. [INFO] [stderr] error: could not compile `rust_ds`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block [INFO] [stderr] --> src/ds/bst.rs:55:22 [INFO] [stderr] | [INFO] [stderr] 55 | match data.cmp(parent.as_ref().unwrap().data.as_ref().unwrap()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ call to unsafe function [INFO] [stderr] | [INFO] [stderr] = note: consult the function's documentation for information on how to avoid undefined behavior [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0133, E0506, E0507. [INFO] [stderr] For more information about an error, try `rustc --explain E0133`. [INFO] [stderr] error: could not compile `rust_ds`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bd506b98e4524795c4065580dc69a45d7f5bfc417200ec1dcf8fd86be4e8f17e"` [INFO] running `"docker" "rm" "-f" "bd506b98e4524795c4065580dc69a45d7f5bfc417200ec1dcf8fd86be4e8f17e"` [INFO] [stdout] bd506b98e4524795c4065580dc69a45d7f5bfc417200ec1dcf8fd86be4e8f17e