Nov 16 22:59:02.314 INFO testing jxcl/rdb against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 22:59:02.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 22:59:02.740 INFO [stdout] 416b03c002e512edf119808d005db57454de9bcbbb730cbc0ed3237f602f7584
Nov 16 22:59:02.744 INFO running `"docker" "start" "-a" "416b03c002e512edf119808d005db57454de9bcbbb730cbc0ed3237f602f7584"`
Nov 16 22:59:04.003 INFO [stderr] usermod: no changes
Nov 16 22:59:04.063 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Nov 16 22:59:04.411 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 16 22:59:04.412 INFO [stderr]  --> src/connection.rs:1:5
Nov 16 22:59:04.412 INFO [stderr]   |
Nov 16 22:59:04.413 INFO [stderr] 1 | use std::collections::HashMap;
Nov 16 22:59:04.413 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:59:04.413 INFO [stderr]   |
Nov 16 22:59:04.414 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 22:59:04.414 INFO [stderr] 
Nov 16 22:59:04.503 INFO [stderr] warning: unused variable: `key`
Nov 16 22:59:04.503 INFO [stderr]   --> src/connection.rs:66:19
Nov 16 22:59:04.503 INFO [stderr]    |
Nov 16 22:59:04.503 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Nov 16 22:59:04.503 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Nov 16 22:59:04.503 INFO [stderr]    |
Nov 16 22:59:04.503 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 22:59:04.503 INFO [stderr] 
Nov 16 22:59:04.503 INFO [stderr] warning: unused variable: `i`
Nov 16 22:59:04.503 INFO [stderr]   --> src/btree.rs:97:13
Nov 16 22:59:04.503 INFO [stderr]    |
Nov 16 22:59:04.503 INFO [stderr] 97 |         for i in 0..right_pad_members {
Nov 16 22:59:04.503 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 16 22:59:04.503 INFO [stderr] 
Nov 16 22:59:04.503 INFO [stderr] warning: unused variable: `key`
Nov 16 22:59:04.503 INFO [stderr]    --> src/btree.rs:195:37
Nov 16 22:59:04.503 INFO [stderr]     |
Nov 16 22:59:04.503 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Nov 16 22:59:04.503 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Nov 16 22:59:04.503 INFO [stderr] 
Nov 16 22:59:04.537 INFO [stderr] warning: field is never used: `root_node`
Nov 16 22:59:04.537 INFO [stderr]    --> src/btree.rs:151:5
Nov 16 22:59:04.537 INFO [stderr]     |
Nov 16 22:59:04.537 INFO [stderr] 151 |     root_node: TreeNode,
Nov 16 22:59:04.537 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Nov 16 22:59:04.537 INFO [stderr]     |
Nov 16 22:59:04.539 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 22:59:04.539 INFO [stderr] 
Nov 16 22:59:04.539 INFO [stderr] warning: method is never used: `open`
Nov 16 22:59:04.539 INFO [stderr]    --> src/btree.rs:156:5
Nov 16 22:59:04.539 INFO [stderr]     |
Nov 16 22:59:04.539 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Nov 16 22:59:04.539 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:59:04.539 INFO [stderr] 
Nov 16 22:59:05.431 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 16 22:59:05.435 INFO [stderr] su: No module specific data is present
Nov 16 22:59:06.211 INFO running `"docker" "inspect" "416b03c002e512edf119808d005db57454de9bcbbb730cbc0ed3237f602f7584"`
Nov 16 22:59:06.513 INFO running `"docker" "rm" "-f" "416b03c002e512edf119808d005db57454de9bcbbb730cbc0ed3237f602f7584"`
Nov 16 22:59:06.855 INFO [stdout] 416b03c002e512edf119808d005db57454de9bcbbb730cbc0ed3237f602f7584
Nov 16 22:59:06.863 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 22:59:07.403 INFO [stdout] 3de9a0d25e3590c9fb3472f9865b786cf4297a90361ae9f1f5641bb6c7446794
Nov 16 22:59:07.405 INFO running `"docker" "start" "-a" "3de9a0d25e3590c9fb3472f9865b786cf4297a90361ae9f1f5641bb6c7446794"`
Nov 16 22:59:08.355 INFO [stderr] usermod: no changes
Nov 16 22:59:08.389 INFO [stderr]    Compiling rdb v0.1.0 (/source)
Nov 16 22:59:08.648 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 16 22:59:08.648 INFO [stderr]  --> src/connection.rs:1:5
Nov 16 22:59:08.648 INFO [stderr]   |
Nov 16 22:59:08.649 INFO [stderr] 1 | use std::collections::HashMap;
Nov 16 22:59:08.649 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:59:08.651 INFO [stderr]   |
Nov 16 22:59:08.652 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 22:59:08.652 INFO [stderr] 
Nov 16 22:59:08.724 INFO [stderr] warning: unused variable: `key`
Nov 16 22:59:08.724 INFO [stderr]   --> src/connection.rs:66:19
Nov 16 22:59:08.724 INFO [stderr]    |
Nov 16 22:59:08.724 INFO [stderr] 66 |     fn get(&self, key: &str) -> Option<&String> {
Nov 16 22:59:08.724 INFO [stderr]    |                   ^^^ help: consider using `_key` instead
Nov 16 22:59:08.724 INFO [stderr]    |
Nov 16 22:59:08.724 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 22:59:08.724 INFO [stderr] 
Nov 16 22:59:08.727 INFO [stderr] warning: unused variable: `i`
Nov 16 22:59:08.729 INFO [stderr]   --> src/btree.rs:97:13
Nov 16 22:59:08.729 INFO [stderr]    |
Nov 16 22:59:08.729 INFO [stderr] 97 |         for i in 0..right_pad_members {
Nov 16 22:59:08.729 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 16 22:59:08.729 INFO [stderr] 
Nov 16 22:59:08.729 INFO [stderr] warning: unused variable: `key`
Nov 16 22:59:08.729 INFO [stderr]    --> src/btree.rs:195:37
Nov 16 22:59:08.729 INFO [stderr]     |
Nov 16 22:59:08.729 INFO [stderr] 195 |     fn search_for_insert(&mut self, key: &str, index: u32) -> Result<TreeNode, io::Error> {
Nov 16 22:59:08.729 INFO [stderr]     |                                     ^^^ help: consider using `_key` instead
Nov 16 22:59:08.729 INFO [stderr] 
Nov 16 22:59:08.771 INFO [stderr] warning: method is never used: `open`
Nov 16 22:59:08.771 INFO [stderr]    --> src/btree.rs:156:5
Nov 16 22:59:08.771 INFO [stderr]     |
Nov 16 22:59:08.771 INFO [stderr] 156 |     pub fn open(filename: &str) -> Result<BTree, io::Error> {
Nov 16 22:59:08.771 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 22:59:08.771 INFO [stderr]     |
Nov 16 22:59:08.771 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 22:59:08.771 INFO [stderr] 
Nov 16 22:59:09.547 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 16 22:59:09.550 INFO [stderr] su: No module specific data is present
Nov 16 22:59:10.305 INFO running `"docker" "inspect" "3de9a0d25e3590c9fb3472f9865b786cf4297a90361ae9f1f5641bb6c7446794"`
Nov 16 22:59:10.551 INFO running `"docker" "rm" "-f" "3de9a0d25e3590c9fb3472f9865b786cf4297a90361ae9f1f5641bb6c7446794"`
Nov 16 22:59:10.807 INFO [stdout] 3de9a0d25e3590c9fb3472f9865b786cf4297a90361ae9f1f5641bb6c7446794