[INFO] cloning repository https://github.com/Bl4ckb0ne/bintree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bl4ckb0ne/bintree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBl4ckb0ne%2Fbintree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBl4ckb0ne%2Fbintree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d60c5c123b4ef26bdf2cc3b0b821101d7ce7f2e
[INFO] checking Bl4ckb0ne/bintree against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBl4ckb0ne%2Fbintree" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bl4ckb0ne/bintree on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bl4ckb0ne/bintree
[INFO] finished tweaking git repo https://github.com/Bl4ckb0ne/bintree
[INFO] tweaked toml for git repo https://github.com/Bl4ckb0ne/bintree written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Bl4ckb0ne/bintree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4601285dc91285c3b66265e4c87f746db67becd906f4844ee866ae31cc7327c
[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" "f4601285dc91285c3b66265e4c87f746db67becd906f4844ee866ae31cc7327c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4601285dc91285c3b66265e4c87f746db67becd906f4844ee866ae31cc7327c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4601285dc91285c3b66265e4c87f746db67becd906f4844ee866ae31cc7327c", kill_on_drop: false }`
[INFO] [stdout] f4601285dc91285c3b66265e4c87f746db67becd906f4844ee866ae31cc7327c
[INFO] running `Command { std: "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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63421569b3c690798123aa6bf5b413a0185c8efd57ffb8c62b0e0fb17f77f66
[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" "e63421569b3c690798123aa6bf5b413a0185c8efd57ffb8c62b0e0fb17f77f66", kill_on_drop: false }`
[INFO] [stderr]     Checking bintree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if(self.left.is_some() && self.right.is_some())
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if(self.left.is_some() && self.right.is_some())
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.right` which is behind a mutable reference
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             self.right.unwrap().insert(data);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             move occurs because `self.right` has type `Option<Box<Node<T>>>`, which does not implement the `Copy` trait
[INFO] [stdout]    |             help: consider borrowing the `Option`'s content: `self.right.as_ref()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.right` which is behind a mutable reference
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             self.right.unwrap().insert(data);
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             move occurs because `self.right` has type `Option<Box<Node<T>>>`, which does not implement the `Copy` trait
[INFO] [stdout]    |             help: consider borrowing the `Option`'s content: `self.right.as_ref()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bintree`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e63421569b3c690798123aa6bf5b413a0185c8efd57ffb8c62b0e0fb17f77f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63421569b3c690798123aa6bf5b413a0185c8efd57ffb8c62b0e0fb17f77f66", kill_on_drop: false }`
[INFO] [stdout] e63421569b3c690798123aa6bf5b413a0185c8efd57ffb8c62b0e0fb17f77f66
