[INFO] cloning repository https://github.com/ethowitz/rust-bst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethowitz/rust-bst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethowitz%2Frust-bst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethowitz%2Frust-bst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5814f60b924cadb123db2a1e4e82e233e63a8e47
[INFO] checking ethowitz/rust-bst against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethowitz%2Frust-bst" "/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/ethowitz/rust-bst 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 git repo https://github.com/ethowitz/rust-bst
[INFO] finished tweaking git repo https://github.com/ethowitz/rust-bst
[INFO] tweaked toml for git repo https://github.com/ethowitz/rust-bst written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ethowitz/rust-bst already has a lockfile, it will not be regenerated
[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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d39100fc0e1e92e03f3d42ab25f85ae074a7650e7f2262f4715352eceff50c3
[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" "1d39100fc0e1e92e03f3d42ab25f85ae074a7650e7f2262f4715352eceff50c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d39100fc0e1e92e03f3d42ab25f85ae074a7650e7f2262f4715352eceff50c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d39100fc0e1e92e03f3d42ab25f85ae074a7650e7f2262f4715352eceff50c3", kill_on_drop: false }`
[INFO] [stdout] 1d39100fc0e1e92e03f3d42ab25f85ae074a7650e7f2262f4715352eceff50c3
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006c46109c8620e44a123955ccd3bfa791ad90ef2faf119dbbe4afac42c2ce81
[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" "006c46109c8620e44a123955ccd3bfa791ad90ef2faf119dbbe4afac42c2ce81", kill_on_drop: false }`
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `search` in this scope
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 cmp::Ordering::Less => search(node.left),
[INFO] [stdout]    |                                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `search` in this scope
[INFO] [stdout]   --> src/main.rs:47:43
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 cmp::Ordering::Greater => search(node.right)
[INFO] [stdout]    |                                           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odds::Fix`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use odds::Fix;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odds::fix`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use odds::fix;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `search` in this scope
[INFO] [stdout]   --> src/main.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 cmp::Ordering::Less => search(node.left),
[INFO] [stdout]    |                                        ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `search` in this scope
[INFO] [stdout]   --> src/main.rs:47:43
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 cmp::Ordering::Greater => search(node.right)
[INFO] [stdout]    |                                           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odds::Fix`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use odds::Fix;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `odds::fix`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use odds::fix;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 cmp::Ordering::Equal => Some(node),
[INFO] [stdout]    |                                              ^^^^ expected struct `Box`, found struct `Node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Box<Node<T>>`
[INFO] [stdout]               found mutable reference `&mut Node<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bst`
[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[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 cmp::Ordering::Equal => Some(node),
[INFO] [stdout]    |                                              ^^^^ expected struct `Box`, found struct `Node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Box<Node<T>>`
[INFO] [stdout]               found mutable reference `&mut Node<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "006c46109c8620e44a123955ccd3bfa791ad90ef2faf119dbbe4afac42c2ce81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006c46109c8620e44a123955ccd3bfa791ad90ef2faf119dbbe4afac42c2ce81", kill_on_drop: false }`
[INFO] [stdout] 006c46109c8620e44a123955ccd3bfa791ad90ef2faf119dbbe4afac42c2ce81