Dec 05 19:02:02.407 INFO testing jxcl/rdb against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 19:02:02.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 05 19:02:02.693 INFO [stdout] a301ae2882b2931f670884f4cd31fce1e5c468871a8f2414cf36b17089b79930
Dec 05 19:02:02.695 INFO running `"docker" "start" "-a" "a301ae2882b2931f670884f4cd31fce1e5c468871a8f2414cf36b17089b79930"`
Dec 05 19:02:03.221 INFO [stderr] usermod: no changes
Dec 05 19:02:03.288 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Dec 05 19:02:03.524 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 19:02:03.524 INFO [stderr]  --> src/connection.rs:1:5
Dec 05 19:02:03.524 INFO [stderr]   |
Dec 05 19:02:03.524 INFO [stderr] 1 | use std::collections::HashMap;
Dec 05 19:02:03.524 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:03.524 INFO [stderr]   |
Dec 05 19:02:03.524 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:02:03.524 INFO [stderr] 
Dec 05 19:02:03.602 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:03.602 INFO [stderr]   --> src/connection.rs:66:19
Dec 05 19:02:03.602 INFO [stderr]    |
Dec 05 19:02:03.602 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Dec 05 19:02:03.602 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Dec 05 19:02:03.602 INFO [stderr]    |
Dec 05 19:02:03.602 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:02:03.602 INFO [stderr] 
Dec 05 19:02:03.602 INFO [stderr] warning: unused variable: `i`
Dec 05 19:02:03.602 INFO [stderr]   --> src/btree.rs:97:13
Dec 05 19:02:03.602 INFO [stderr]    |
Dec 05 19:02:03.602 INFO [stderr] 97 |         for i in 0..right_pad_members {
Dec 05 19:02:03.602 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 19:02:03.602 INFO [stderr] 
Dec 05 19:02:03.602 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:03.602 INFO [stderr]    --> src/btree.rs:195:37
Dec 05 19:02:03.602 INFO [stderr]     |
Dec 05 19:02:03.602 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Dec 05 19:02:03.602 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Dec 05 19:02:03.603 INFO [stderr] 
Dec 05 19:02:03.624 INFO [stderr] warning: field is never used: `root_node`
Dec 05 19:02:03.624 INFO [stderr]    --> src/btree.rs:151:5
Dec 05 19:02:03.624 INFO [stderr]     |
Dec 05 19:02:03.624 INFO [stderr] 151 |     root_node: TreeNode,
Dec 05 19:02:03.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:03.624 INFO [stderr]     |
Dec 05 19:02:03.624 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 19:02:03.624 INFO [stderr] 
Dec 05 19:02:03.624 INFO [stderr] warning: method is never used: `open`
Dec 05 19:02:03.624 INFO [stderr]    --> src/btree.rs:156:5
Dec 05 19:02:03.624 INFO [stderr]     |
Dec 05 19:02:03.624 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Dec 05 19:02:03.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:03.624 INFO [stderr] 
Dec 05 19:02:04.522 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 05 19:02:04.523 INFO [stderr] su: No module specific data is present
Dec 05 19:02:05.398 INFO running `"docker" "inspect" "a301ae2882b2931f670884f4cd31fce1e5c468871a8f2414cf36b17089b79930"`
Dec 05 19:02:05.684 INFO running `"docker" "rm" "-f" "a301ae2882b2931f670884f4cd31fce1e5c468871a8f2414cf36b17089b79930"`
Dec 05 19:02:05.878 INFO [stdout] a301ae2882b2931f670884f4cd31fce1e5c468871a8f2414cf36b17089b79930
Dec 05 19:02:05.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 05 19:02:06.210 INFO [stdout] 8ec6e19122c26624fc3c5f98fbb55752393e8e310c41b894d1ed3602ec1c066d
Dec 05 19:02:06.216 INFO running `"docker" "start" "-a" "8ec6e19122c26624fc3c5f98fbb55752393e8e310c41b894d1ed3602ec1c066d"`
Dec 05 19:02:07.376 INFO [stderr] usermod: no changes
Dec 05 19:02:07.413 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Dec 05 19:02:07.761 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 19:02:07.761 INFO [stderr]  --> src/connection.rs:1:5
Dec 05 19:02:07.761 INFO [stderr]   |
Dec 05 19:02:07.761 INFO [stderr] 1 | use std::collections::HashMap;
Dec 05 19:02:07.761 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:07.761 INFO [stderr]   |
Dec 05 19:02:07.761 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:02:07.761 INFO [stderr] 
Dec 05 19:02:07.841 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:07.841 INFO [stderr]   --> src/connection.rs:66:19
Dec 05 19:02:07.841 INFO [stderr]    |
Dec 05 19:02:07.841 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Dec 05 19:02:07.841 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Dec 05 19:02:07.841 INFO [stderr]    |
Dec 05 19:02:07.841 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:02:07.841 INFO [stderr] 
Dec 05 19:02:07.841 INFO [stderr] warning: unused variable: `i`
Dec 05 19:02:07.841 INFO [stderr]   --> src/btree.rs:97:13
Dec 05 19:02:07.841 INFO [stderr]    |
Dec 05 19:02:07.841 INFO [stderr] 97 |         for i in 0..right_pad_members {
Dec 05 19:02:07.841 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 19:02:07.841 INFO [stderr] 
Dec 05 19:02:07.841 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:07.841 INFO [stderr]    --> src/btree.rs:195:37
Dec 05 19:02:07.841 INFO [stderr]     |
Dec 05 19:02:07.841 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Dec 05 19:02:07.841 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Dec 05 19:02:07.841 INFO [stderr] 
Dec 05 19:02:07.871 INFO [stderr] warning: method is never used: `open`
Dec 05 19:02:07.871 INFO [stderr]    --> src/btree.rs:156:5
Dec 05 19:02:07.871 INFO [stderr]     |
Dec 05 19:02:07.871 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Dec 05 19:02:07.871 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:07.871 INFO [stderr]     |
Dec 05 19:02:07.871 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 19:02:07.871 INFO [stderr] 
Dec 05 19:02:08.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 05 19:02:08.569 INFO [stderr] su: No module specific data is present
Dec 05 19:02:09.821 INFO running `"docker" "inspect" "8ec6e19122c26624fc3c5f98fbb55752393e8e310c41b894d1ed3602ec1c066d"`
Dec 05 19:02:10.004 INFO running `"docker" "rm" "-f" "8ec6e19122c26624fc3c5f98fbb55752393e8e310c41b894d1ed3602ec1c066d"`
Dec 05 19:02:10.236 INFO [stdout] 8ec6e19122c26624fc3c5f98fbb55752393e8e310c41b894d1ed3602ec1c066d