[INFO] updating cached repository https://github.com/anishganti/RustDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ef5fd42f9afdb18698d913d18ac899bafb380cc
[INFO] testing anishganti/RustDB/4ef5fd42f9afdb18698d913d18ac899bafb380cc against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanishganti%2FRustDB" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anishganti/RustDB on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anishganti/RustDB
[INFO] finished tweaking git repo https://github.com/anishganti/RustDB
[INFO] tweaked toml for git repo https://github.com/anishganti/RustDB written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/anishganti/RustDB already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 275964518a92c0cbc42272c38d398873a292120c9d432856c26c4e1de83624ac
[INFO] running `Command { std: "docker" "start" "-a" "275964518a92c0cbc42272c38d398873a292120c9d432856c26c4e1de83624ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275964518a92c0cbc42272c38d398873a292120c9d432856c26c4e1de83624ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275964518a92c0cbc42272c38d398873a292120c9d432856c26c4e1de83624ac", kill_on_drop: false }`
[INFO] [stdout] 275964518a92c0cbc42272c38d398873a292120c9d432856c26c4e1de83624ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03e44fb65508ef595aa08b9e966e1b1cb4cc0b15c6a225c2b9bf764bfa54fa1
[INFO] running `Command { std: "docker" "start" "-a" "f03e44fb65508ef595aa08b9e966e1b1cb4cc0b15c6a225c2b9bf764bfa54fa1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling rust_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]   --> src/btree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::hash::Hash;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/btree/cache.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if(self.map.contains_key(&key)){
[INFO] [stdout]    |           ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if(self.map.contains_key(&key)){
[INFO] [stdout] 23 +         if self.map.contains_key(&key) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/btree/cache.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         } else if (self.map.len() == 10){
[INFO] [stdout]    |                   ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         } else if (self.map.len() == 10){
[INFO] [stdout] 25 +         } else if self.map.len() == 10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree/tree.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn encode_key(&self, key: &str){
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_extra_keys` is never read
[INFO] [stdout]    --> src/btree/tree.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let mut has_extra_keys = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sibling_id` is never read
[INFO] [stdout]    --> src/btree/tree.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut sibling_id = None;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sibling`
[INFO] [stdout]    --> src/btree/tree.rs:557:29
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sibling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/btree/tree.rs:557:54
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree/tree.rs:557:25
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree/tree.rs:557:50
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                                                  ----^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVELS` is never used
[INFO] [stdout]  --> src/btree/tree.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LEVELS: usize = 3;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode_key` is never used
[INFO] [stdout]   --> src/btree/tree.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl BTree{
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn encode_key(&self, key: &str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.file.read_exact(&mut buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.file.read_exact(&mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         self.wal.set_len(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let _ = self.wal.set_len(0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         self.wal.rewind();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = self.wal.rewind();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         self.wal.read_exact(&mut buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let _ = self.wal.read_exact(&mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/btree/node.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/btree/node.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         file.write_all(&buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let _ = file.write_all(&buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f03e44fb65508ef595aa08b9e966e1b1cb4cc0b15c6a225c2b9bf764bfa54fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03e44fb65508ef595aa08b9e966e1b1cb4cc0b15c6a225c2b9bf764bfa54fa1", kill_on_drop: false }`
[INFO] [stdout] f03e44fb65508ef595aa08b9e966e1b1cb4cc0b15c6a225c2b9bf764bfa54fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7437c6a77936f92c206c83991af4602e5ca277e5c4956e35c4d96c63350ac1
[INFO] running `Command { std: "docker" "start" "-a" "ca7437c6a77936f92c206c83991af4602e5ca277e5c4956e35c4d96c63350ac1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling rust_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]   --> src/btree/tree.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::hash::Hash;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/btree/cache.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if(self.map.contains_key(&key)){
[INFO] [stdout]    |           ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         if(self.map.contains_key(&key)){
[INFO] [stdout] 23 +         if self.map.contains_key(&key) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/btree/cache.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         } else if (self.map.len() == 10){
[INFO] [stdout]    |                   ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         } else if (self.map.len() == 10){
[INFO] [stdout] 25 +         } else if self.map.len() == 10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/btree/tree.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn encode_key(&self, key: &str){
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_extra_keys` is never read
[INFO] [stdout]    --> src/btree/tree.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let mut has_extra_keys = true;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sibling_id` is never read
[INFO] [stdout]    --> src/btree/tree.rs:513:17
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut sibling_id = None;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sibling`
[INFO] [stdout]    --> src/btree/tree.rs:557:29
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sibling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/btree/tree.rs:557:54
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree/tree.rs:557:25
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/btree/tree.rs:557:50
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stdout]     |                                                  ----^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVELS` is never used
[INFO] [stdout]  --> src/btree/tree.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LEVELS: usize = 3;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode_key` is never used
[INFO] [stdout]   --> src/btree/tree.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl BTree{
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn encode_key(&self, key: &str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.file.read_exact(&mut buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.file.read_exact(&mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         self.wal.set_len(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let _ = self.wal.set_len(0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         self.wal.rewind();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = self.wal.rewind();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |         self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let _ = self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/btree/tree.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         self.wal.read_exact(&mut buf);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let _ = self.wal.read_exact(&mut buf);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/btree/node.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/btree/node.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         file.write_all(&buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let _ = file.write_all(&buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ca7437c6a77936f92c206c83991af4602e5ca277e5c4956e35c4d96c63350ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7437c6a77936f92c206c83991af4602e5ca277e5c4956e35c4d96c63350ac1", kill_on_drop: false }`
[INFO] [stdout] ca7437c6a77936f92c206c83991af4602e5ca277e5c4956e35c4d96c63350ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d32e71faec110cbac0dbccbfcafd4eac9f7a0f25ea842f0e8db4cbd6342a7ac1
[INFO] running `Command { std: "docker" "start" "-a" "d32e71faec110cbac0dbccbfcafd4eac9f7a0f25ea842f0e8db4cbd6342a7ac1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]   --> src/btree/tree.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::hash::Hash;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/btree/cache.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |         if(self.map.contains_key(&key)){
[INFO] [stderr]    |           ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         if(self.map.contains_key(&key)){
[INFO] [stderr] 23 +         if self.map.contains_key(&key) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/btree/cache.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |         } else if (self.map.len() == 10){
[INFO] [stderr]    |                   ^                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -         } else if (self.map.len() == 10){
[INFO] [stderr] 25 +         } else if self.map.len() == 10 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/btree/tree.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn encode_key(&self, key: &str){
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_extra_keys` is never read
[INFO] [stderr]    --> src/btree/tree.rs:512:17
[INFO] [stderr]     |
[INFO] [stderr] 512 |         let mut has_extra_keys = true;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sibling_id` is never read
[INFO] [stderr]    --> src/btree/tree.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mut sibling_id = None;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sibling`
[INFO] [stderr]    --> src/btree/tree.rs:557:29
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sibling`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/btree/tree.rs:557:54
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stderr]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/btree/tree.rs:557:25
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/btree/tree.rs:557:50
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn merge(&mut self, mut sibling : BTreeNode, mut child: BTreeNode){
[INFO] [stderr]     |                                                  ----^^^^^
[INFO] [stderr]     |                                                  |
[INFO] [stderr]     |                                                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LEVELS` is never used
[INFO] [stderr]  --> src/btree/tree.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | const LEVELS: usize = 3;
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `encode_key` is never used
[INFO] [stderr]   --> src/btree/tree.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl BTree{
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn encode_key(&self, key: &str){
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let _ = self.file.seek(io::SeekFrom::Start(offset.try_into().unwrap())); 
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         self.file.read_exact(&mut buf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let _ = self.file.read_exact(&mut buf);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         self.wal.set_len(0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let _ = self.wal.set_len(0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         self.wal.rewind();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let _ = self.wal.rewind();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |         self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let _ = self.wal.seek(io::SeekFrom::Start(offset)); 
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/btree/tree.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         self.wal.read_exact(&mut buf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let _ = self.wal.read_exact(&mut buf);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/btree/node.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let _ = file.seek(io::SeekFrom::Start(offset)); 
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/btree/node.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         file.write_all(&buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let _ = file.write_all(&buffer);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_db` (bin "rust_db" test) generated 20 warnings (run `cargo fix --bin "rust_db" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_db-27db7eb959fcf6dc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test btree::tree::tests::test_add ... ok
[INFO] [stdout] test btree::tree::tests::test_bad_add ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- btree::tree::tests::test_bad_add stdout ----
[INFO] [stdout] thread 'btree::tree::tests::test_bad_add' panicked at src/btree/tree.rs:616:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: true
[INFO] [stdout]  right: false
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x587272eeac4a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x587272eeac4a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x587272eeac4a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x587272eeac4a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x587272f10fb3 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x587272f10fb3 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x587272ee78b3 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x587272eeaa92 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x587272eec0da - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x587272eebee4 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x587272eb5cd9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x587272eb5cd9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x587272eec7d8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x587272eec7d8 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x587272eec59a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x587272eeb129 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x587272eec22c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x587272f0fa50 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x587272f0fd7b - core::panicking::assert_failed_inner::h04f38944d74a80a8
[INFO] [stdout]   19:     0x587272e7b6b4 - core::panicking::assert_failed::hf2b9377068deed32
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:377:5
[INFO] [stdout]   20:     0x587272e7bd75 - rust_db::btree::tree::tests::test_bad_add::h0ec2998788f61649
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/tree.rs:616:9
[INFO] [stdout]   21:     0x587272e7bcf7 - rust_db::btree::tree::tests::test_bad_add::{{closure}}::h8aadb31cf1717af1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/btree/tree.rs:613:22
[INFO] [stdout]   22:     0x587272e7b4c6 - core::ops::function::FnOnce::call_once::hd36ab00e2e7f9403
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x587272eba5ab - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x587272eba5ab - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x587272eb9f27 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x587272eb9f27 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x587272eb9f27 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x587272eb9f27 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x587272eb9f27 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x587272eb9f27 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x587272eb9f27 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x587272e7d644 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x587272e7d644 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x587272e80dee - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x587272e80dee - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x587272e80dee - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x587272e80dee - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x587272e80dee - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x587272e80dee - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x587272e80dee - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x587272ef05cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x587272ef05cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x587272ef05cb - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7ba99346fac3 - <unknown>
[INFO] [stdout]   45:     0x7ba993500a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     btree::tree::tests::test_bad_add
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_db`
[INFO] running `Command { std: "docker" "inspect" "d32e71faec110cbac0dbccbfcafd4eac9f7a0f25ea842f0e8db4cbd6342a7ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32e71faec110cbac0dbccbfcafd4eac9f7a0f25ea842f0e8db4cbd6342a7ac1", kill_on_drop: false }`
[INFO] [stdout] d32e71faec110cbac0dbccbfcafd4eac9f7a0f25ea842f0e8db4cbd6342a7ac1
