Dec 05 19:02:03.101 INFO testing jxcl/rdb against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 19:02:03.102 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 19:02:03.348 INFO [stdout] 42342cb337c7c7ab07b235c7e36e3ec7dca70443b8d0271da0ba131be63a396b
Dec 05 19:02:03.349 INFO running `"docker" "start" "-a" "42342cb337c7c7ab07b235c7e36e3ec7dca70443b8d0271da0ba131be63a396b"`
Dec 05 19:02:04.707 INFO [stderr] usermod: no changes
Dec 05 19:02:04.764 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Dec 05 19:02:05.075 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 19:02:05.075 INFO [stderr]  --> src/connection.rs:1:5
Dec 05 19:02:05.075 INFO [stderr]   |
Dec 05 19:02:05.075 INFO [stderr] 1 | use std::collections::HashMap;
Dec 05 19:02:05.075 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:05.075 INFO [stderr]   |
Dec 05 19:02:05.075 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:02:05.075 INFO [stderr] 
Dec 05 19:02:05.140 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:05.140 INFO [stderr]   --> src/connection.rs:66:19
Dec 05 19:02:05.140 INFO [stderr]    |
Dec 05 19:02:05.140 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Dec 05 19:02:05.140 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Dec 05 19:02:05.140 INFO [stderr]    |
Dec 05 19:02:05.140 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:02:05.140 INFO [stderr] 
Dec 05 19:02:05.140 INFO [stderr] warning: unused variable: `i`
Dec 05 19:02:05.140 INFO [stderr]   --> src/btree.rs:97:13
Dec 05 19:02:05.140 INFO [stderr]    |
Dec 05 19:02:05.140 INFO [stderr] 97 |         for i in 0..right_pad_members {
Dec 05 19:02:05.140 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 19:02:05.140 INFO [stderr] 
Dec 05 19:02:05.140 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:05.140 INFO [stderr]    --> src/btree.rs:195:37
Dec 05 19:02:05.140 INFO [stderr]     |
Dec 05 19:02:05.140 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Dec 05 19:02:05.140 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Dec 05 19:02:05.140 INFO [stderr] 
Dec 05 19:02:05.156 INFO [stderr] warning: field is never used: `root_node`
Dec 05 19:02:05.156 INFO [stderr]    --> src/btree.rs:151:5
Dec 05 19:02:05.156 INFO [stderr]     |
Dec 05 19:02:05.156 INFO [stderr] 151 |     root_node: TreeNode,
Dec 05 19:02:05.156 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:05.156 INFO [stderr]     |
Dec 05 19:02:05.156 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 19:02:05.156 INFO [stderr] 
Dec 05 19:02:05.156 INFO [stderr] warning: method is never used: `open`
Dec 05 19:02:05.156 INFO [stderr]    --> src/btree.rs:156:5
Dec 05 19:02:05.156 INFO [stderr]     |
Dec 05 19:02:05.156 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Dec 05 19:02:05.156 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:05.156 INFO [stderr] 
Dec 05 19:02:05.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 05 19:02:05.855 INFO [stderr] su: No module specific data is present
Dec 05 19:02:06.558 INFO running `"docker" "inspect" "42342cb337c7c7ab07b235c7e36e3ec7dca70443b8d0271da0ba131be63a396b"`
Dec 05 19:02:06.788 INFO running `"docker" "rm" "-f" "42342cb337c7c7ab07b235c7e36e3ec7dca70443b8d0271da0ba131be63a396b"`
Dec 05 19:02:07.095 INFO [stdout] 42342cb337c7c7ab07b235c7e36e3ec7dca70443b8d0271da0ba131be63a396b
Dec 05 19:02:07.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 19:02:07.584 INFO [stdout] 8718a8c930a09d6c99377c99ebc15fc9e5536daca0b6b4e959630f52cb722ede
Dec 05 19:02:07.588 INFO running `"docker" "start" "-a" "8718a8c930a09d6c99377c99ebc15fc9e5536daca0b6b4e959630f52cb722ede"`
Dec 05 19:02:08.126 INFO [stderr] usermod: no changes
Dec 05 19:02:08.188 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Dec 05 19:02:08.428 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 19:02:08.428 INFO [stderr]  --> src/connection.rs:1:5
Dec 05 19:02:08.428 INFO [stderr]   |
Dec 05 19:02:08.428 INFO [stderr] 1 | use std::collections::HashMap;
Dec 05 19:02:08.428 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:08.428 INFO [stderr]   |
Dec 05 19:02:08.429 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:02:08.429 INFO [stderr] 
Dec 05 19:02:08.504 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:08.504 INFO [stderr]   --> src/connection.rs:66:19
Dec 05 19:02:08.504 INFO [stderr]    |
Dec 05 19:02:08.504 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Dec 05 19:02:08.504 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Dec 05 19:02:08.504 INFO [stderr]    |
Dec 05 19:02:08.504 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:02:08.504 INFO [stderr] 
Dec 05 19:02:08.504 INFO [stderr] warning: unused variable: `i`
Dec 05 19:02:08.504 INFO [stderr]   --> src/btree.rs:97:13
Dec 05 19:02:08.504 INFO [stderr]    |
Dec 05 19:02:08.504 INFO [stderr] 97 |         for i in 0..right_pad_members {
Dec 05 19:02:08.504 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 19:02:08.504 INFO [stderr] 
Dec 05 19:02:08.504 INFO [stderr] warning: unused variable: `key`
Dec 05 19:02:08.504 INFO [stderr]    --> src/btree.rs:195:37
Dec 05 19:02:08.504 INFO [stderr]     |
Dec 05 19:02:08.504 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Dec 05 19:02:08.504 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Dec 05 19:02:08.504 INFO [stderr] 
Dec 05 19:02:08.532 INFO [stderr] warning: method is never used: `open`
Dec 05 19:02:08.532 INFO [stderr]    --> src/btree.rs:156:5
Dec 05 19:02:08.532 INFO [stderr]     |
Dec 05 19:02:08.532 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Dec 05 19:02:08.532 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:02:08.532 INFO [stderr]     |
Dec 05 19:02:08.532 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 19:02:08.532 INFO [stderr] 
Dec 05 19:02:09.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 05 19:02:09.361 INFO [stderr] su: No module specific data is present
Dec 05 19:02:09.996 INFO running `"docker" "inspect" "8718a8c930a09d6c99377c99ebc15fc9e5536daca0b6b4e959630f52cb722ede"`
Dec 05 19:02:10.248 INFO running `"docker" "rm" "-f" "8718a8c930a09d6c99377c99ebc15fc9e5536daca0b6b4e959630f52cb722ede"`
Dec 05 19:02:10.542 INFO [stdout] 8718a8c930a09d6c99377c99ebc15fc9e5536daca0b6b4e959630f52cb722ede