Nov 27 23:26:46.298 INFO checking nuclearpesto/rust-binary-tree against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 23:26:46.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 23:26:46.760 INFO [stdout] 29be3c93e9f79a465f5730f0dcd6c76c2e73eb914823d4bb44b601cb7919374a
Nov 27 23:26:46.763 INFO running `"docker" "start" "-a" "29be3c93e9f79a465f5730f0dcd6c76c2e73eb914823d4bb44b601cb7919374a"`
Nov 27 23:26:48.204 INFO [stderr] usermod: no changes
Nov 27 23:26:48.292 INFO [stderr]     Checking binarytree v0.1.0 (/source)
Nov 27 23:26:48.976 INFO [stderr] warning[E0170]: pattern binding `Less` is named the same as one of the variants of the type `std::cmp::Ordering`
Nov 27 23:26:48.976 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:48.976 INFO [stderr]    |
Nov 27 23:26:48.976 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:48.976 INFO [stderr]    |                 ^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Less`
Nov 27 23:26:48.976 INFO [stderr] 
Nov 27 23:26:48.976 INFO [stderr] warning[E0170]: pattern binding `Equal` is named the same as one of the variants of the type `std::cmp::Ordering`
Nov 27 23:26:48.976 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:48.976 INFO [stderr]    |
Nov 27 23:26:48.976 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:48.976 INFO [stderr]    |                 ^^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Equal`
Nov 27 23:26:48.976 INFO [stderr] 
Nov 27 23:26:48.977 INFO [stderr] warning: unreachable pattern
Nov 27 23:26:48.977 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ---- matches any value
Nov 27 23:26:48.977 INFO [stderr] ...
Nov 27 23:26:48.977 INFO [stderr] 61 |                 More => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ^^^^ unreachable pattern
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Nov 27 23:26:48.977 INFO [stderr] 
Nov 27 23:26:48.977 INFO [stderr] warning: unreachable pattern
Nov 27 23:26:48.977 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ---- matches any value
Nov 27 23:26:48.977 INFO [stderr] ...
Nov 27 23:26:48.977 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ^^^^^ unreachable pattern
Nov 27 23:26:48.977 INFO [stderr] 
Nov 27 23:26:48.977 INFO [stderr] warning: unused variable: `Less`
Nov 27 23:26:48.977 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ^^^^ help: consider using `_Less` instead
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 23:26:48.977 INFO [stderr] 
Nov 27 23:26:48.977 INFO [stderr] warning: unused variable: `More`
Nov 27 23:26:48.977 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr] 61 |                 More => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ^^^^ help: consider using `_More` instead
Nov 27 23:26:48.977 INFO [stderr] 
Nov 27 23:26:48.977 INFO [stderr] warning: unused variable: `Equal`
Nov 27 23:26:48.977 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:48.977 INFO [stderr]    |
Nov 27 23:26:48.977 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:48.977 INFO [stderr]    |                 ^^^^^ help: consider using `_Equal` instead
Nov 27 23:26:48.977 INFO [stderr] 
Nov 27 23:26:49.000 INFO [stderr] warning: struct is never constructed: `BTree`
Nov 27 23:26:49.000 INFO [stderr]  --> src/main.rs:4:5
Nov 27 23:26:49.000 INFO [stderr]   |
Nov 27 23:26:49.000 INFO [stderr] 4 |     pub struct BTree {
Nov 27 23:26:49.000 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Nov 27 23:26:49.000 INFO [stderr]   |
Nov 27 23:26:49.000 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 23:26:49.000 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `insert`
Nov 27 23:26:49.001 INFO [stderr]  --> src/main.rs:8:9
Nov 27 23:26:49.001 INFO [stderr]   |
Nov 27 23:26:49.001 INFO [stderr] 8 |         pub fn insert(tree: &BTree, key: &str) -> BTree {
Nov 27 23:26:49.001 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `new`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:13:9
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 13 |         pub fn new(key: &str) -> BTree {
Nov 27 23:26:49.001 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: struct is never constructed: `Node`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:21:5
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 21 |     struct Node {
Nov 27 23:26:49.001 INFO [stderr]    |     ^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `insert`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:28:9
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 28 |         pub fn insert(tree: &Option<Rc<Node>>, key: &str) -> (Option<Rc<Node>>) {
Nov 27 23:26:49.001 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `clone_node`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:35:9
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 35 |         fn clone_node(node: &Option<Rc<Node>>) -> (Option<Rc<Node>>) {
Nov 27 23:26:49.001 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `new_leaf`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:41:9
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 41 |         fn new_leaf(key: &str) -> (Option<Rc<Node>>) {
Nov 27 23:26:49.001 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: method is never used: `tree_by_key`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:49:9
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 49 |         fn tree_by_key(tree: &Rc<Node>, key: &str) -> (Option<Rc<Node>>) {
Nov 27 23:26:49.001 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: variable `Less` should have a snake case name such as `less`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.001 INFO [stderr]    |                 ^^^^
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: variable `More` should have a snake case name such as `more`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 61 |                 More => {
Nov 27 23:26:49.001 INFO [stderr]    |                 ^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.001 INFO [stderr] warning: variable `Equal` should have a snake case name such as `equal`
Nov 27 23:26:49.001 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:49.001 INFO [stderr]    |
Nov 27 23:26:49.001 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:49.001 INFO [stderr]    |                 ^^^^^
Nov 27 23:26:49.001 INFO [stderr] 
Nov 27 23:26:49.008 INFO [stderr] warning[E0170]: pattern binding `Less` is named the same as one of the variants of the type `std::cmp::Ordering`
Nov 27 23:26:49.008 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:49.008 INFO [stderr]    |
Nov 27 23:26:49.008 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.008 INFO [stderr]    |                 ^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Less`
Nov 27 23:26:49.008 INFO [stderr] 
Nov 27 23:26:49.008 INFO [stderr] warning[E0170]: pattern binding `Equal` is named the same as one of the variants of the type `std::cmp::Ordering`
Nov 27 23:26:49.008 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:49.008 INFO [stderr]    |
Nov 27 23:26:49.008 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:49.008 INFO [stderr]    |                 ^^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Equal`
Nov 27 23:26:49.008 INFO [stderr] 
Nov 27 23:26:49.008 INFO [stderr] warning: unreachable pattern
Nov 27 23:26:49.008 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:49.008 INFO [stderr]    |
Nov 27 23:26:49.008 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.008 INFO [stderr]    |                 ---- matches any value
Nov 27 23:26:49.008 INFO [stderr] ...
Nov 27 23:26:49.009 INFO [stderr] 61 |                 More => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ^^^^ unreachable pattern
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Nov 27 23:26:49.009 INFO [stderr] 
Nov 27 23:26:49.009 INFO [stderr] warning: unreachable pattern
Nov 27 23:26:49.009 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ---- matches any value
Nov 27 23:26:49.009 INFO [stderr] ...
Nov 27 23:26:49.009 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ^^^^^ unreachable pattern
Nov 27 23:26:49.009 INFO [stderr] 
Nov 27 23:26:49.009 INFO [stderr] warning: unused variable: `Less`
Nov 27 23:26:49.009 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ^^^^ help: consider using `_Less` instead
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 23:26:49.009 INFO [stderr] 
Nov 27 23:26:49.009 INFO [stderr] warning: unused variable: `More`
Nov 27 23:26:49.009 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr] 61 |                 More => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ^^^^ help: consider using `_More` instead
Nov 27 23:26:49.009 INFO [stderr] 
Nov 27 23:26:49.009 INFO [stderr] warning: unused variable: `Equal`
Nov 27 23:26:49.009 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:49.009 INFO [stderr]    |
Nov 27 23:26:49.009 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:49.009 INFO [stderr]    |                 ^^^^^ help: consider using `_Equal` instead
Nov 27 23:26:49.009 INFO [stderr] 
Nov 27 23:26:49.032 INFO [stderr] warning: variable `Less` should have a snake case name such as `less`
Nov 27 23:26:49.032 INFO [stderr]   --> src/main.rs:55:17
Nov 27 23:26:49.032 INFO [stderr]    |
Nov 27 23:26:49.032 INFO [stderr] 55 |                 Less => {
Nov 27 23:26:49.032 INFO [stderr]    |                 ^^^^
Nov 27 23:26:49.032 INFO [stderr]    |
Nov 27 23:26:49.032 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 27 23:26:49.032 INFO [stderr] 
Nov 27 23:26:49.032 INFO [stderr] warning: variable `More` should have a snake case name such as `more`
Nov 27 23:26:49.032 INFO [stderr]   --> src/main.rs:61:17
Nov 27 23:26:49.032 INFO [stderr]    |
Nov 27 23:26:49.032 INFO [stderr] 61 |                 More => {
Nov 27 23:26:49.032 INFO [stderr]    |                 ^^^^
Nov 27 23:26:49.032 INFO [stderr] 
Nov 27 23:26:49.032 INFO [stderr] warning: variable `Equal` should have a snake case name such as `equal`
Nov 27 23:26:49.032 INFO [stderr]   --> src/main.rs:67:17
Nov 27 23:26:49.032 INFO [stderr]    |
Nov 27 23:26:49.032 INFO [stderr] 67 |                 Equal => {
Nov 27 23:26:49.032 INFO [stderr]    |                 ^^^^^
Nov 27 23:26:49.032 INFO [stderr] 
Nov 27 23:26:49.076 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 27 23:26:49.084 INFO [stderr] su: No module specific data is present
Nov 27 23:26:50.203 INFO running `"docker" "inspect" "29be3c93e9f79a465f5730f0dcd6c76c2e73eb914823d4bb44b601cb7919374a"`
Nov 27 23:26:50.590 INFO running `"docker" "rm" "-f" "29be3c93e9f79a465f5730f0dcd6c76c2e73eb914823d4bb44b601cb7919374a"`
Nov 27 23:26:50.920 INFO [stdout] 29be3c93e9f79a465f5730f0dcd6c76c2e73eb914823d4bb44b601cb7919374a