Dec 14 04:59:31.129 INFO testing Twizty/kv against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:59:31.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 04:59:31.587 INFO [stdout] a5efaaead0b3b9ceaf9d80d85d9a667439cbfd21e6b6636f4387794b51022896
Dec 14 04:59:31.592 INFO running `"docker" "start" "-a" "a5efaaead0b3b9ceaf9d80d85d9a667439cbfd21e6b6636f4387794b51022896"`
Dec 14 04:59:32.803 INFO [stderr] usermod: no changes
Dec 14 04:59:32.871 INFO [stderr]    Compiling kv v0.1.0 (/source)
Dec 14 04:59:33.383 INFO [stderr] warning: unused import: `super::*`
Dec 14 04:59:33.383 INFO [stderr]    --> src/store/mod.rs:247:7
Dec 14 04:59:33.383 INFO [stderr]     |
Dec 14 04:59:33.383 INFO [stderr] 247 |   use super::*;
Dec 14 04:59:33.383 INFO [stderr]     |       ^^^^^^^^
Dec 14 04:59:33.383 INFO [stderr]     |
Dec 14 04:59:33.383 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 14 04:59:33.383 INFO [stderr] 
Dec 14 04:59:33.383 INFO [stderr] warning: unused import: `std::thread::sleep`
Dec 14 04:59:33.383 INFO [stderr]    --> src/store/mod.rs:248:7
Dec 14 04:59:33.383 INFO [stderr]     |
Dec 14 04:59:33.383 INFO [stderr] 248 |   use std::thread::sleep;
Dec 14 04:59:33.383 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.383 INFO [stderr] 
Dec 14 04:59:33.383 INFO [stderr] warning: unused import: `Duration`
Dec 14 04:59:33.383 INFO [stderr]    --> src/store/mod.rs:249:19
Dec 14 04:59:33.383 INFO [stderr]     |
Dec 14 04:59:33.383 INFO [stderr] 249 |   use std::time::{Duration};
Dec 14 04:59:33.383 INFO [stderr]     |                   ^^^^^^^^
Dec 14 04:59:33.383 INFO [stderr] 
Dec 14 04:59:33.431 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:59:33.432 INFO [stderr]   --> src/store/mod.rs:85:9
Dec 14 04:59:33.432 INFO [stderr]    |
Dec 14 04:59:33.432 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Dec 14 04:59:33.432 INFO [stderr]    |         ----^^^^^
Dec 14 04:59:33.432 INFO [stderr]    |         |
Dec 14 04:59:33.432 INFO [stderr]    |         help: remove this `mut`
Dec 14 04:59:33.432 INFO [stderr]    |
Dec 14 04:59:33.432 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 04:59:33.432 INFO [stderr] 
Dec 14 04:59:33.435 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:59:33.435 INFO [stderr]    --> src/store/mod.rs:193:9
Dec 14 04:59:33.435 INFO [stderr]     |
Dec 14 04:59:33.435 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Dec 14 04:59:33.435 INFO [stderr]     |         ----^^^^^
Dec 14 04:59:33.435 INFO [stderr]     |         |
Dec 14 04:59:33.435 INFO [stderr]     |         help: remove this `mut`
Dec 14 04:59:33.435 INFO [stderr] 
Dec 14 04:59:33.436 INFO [stderr] warning: constant item is never used: `TYPE_MISSMATCH_ERROR`
Dec 14 04:59:33.436 INFO [stderr]  --> src/store/mod.rs:6:1
Dec 14 04:59:33.436 INFO [stderr]   |
Dec 14 04:59:33.436 INFO [stderr] 6 | const TYPE_MISSMATCH_ERROR: &'static str = "Type missmatch for the key";
Dec 14 04:59:33.436 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.436 INFO [stderr]   |
Dec 14 04:59:33.436 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 04:59:33.436 INFO [stderr] 
Dec 14 04:59:33.436 INFO [stderr] warning: constant item is never used: `KEY_NOT_FOUND_ERROR`
Dec 14 04:59:33.436 INFO [stderr]  --> src/store/mod.rs:7:1
Dec 14 04:59:33.436 INFO [stderr]   |
Dec 14 04:59:33.436 INFO [stderr] 7 | const KEY_NOT_FOUND_ERROR: &'static str = "Key not found";
Dec 14 04:59:33.436 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.436 INFO [stderr] 
Dec 14 04:59:33.436 INFO [stderr] warning: constant item is never used: `INDEX_OUT_OF_RANGE_ERROR`
Dec 14 04:59:33.436 INFO [stderr]  --> src/store/mod.rs:8:1
Dec 14 04:59:33.436 INFO [stderr]   |
Dec 14 04:59:33.436 INFO [stderr] 8 | const INDEX_OUT_OF_RANGE_ERROR: &'static str = "Index is out of range";
Dec 14 04:59:33.437 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.437 INFO [stderr] 
Dec 14 04:59:33.437 INFO [stderr] warning: type alias is never used: `StringValue`
Dec 14 04:59:33.437 INFO [stderr]   --> src/store/mod.rs:10:1
Dec 14 04:59:33.437 INFO [stderr]    |
Dec 14 04:59:33.437 INFO [stderr] 10 | type StringValue = String;
Dec 14 04:59:33.437 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.437 INFO [stderr] 
Dec 14 04:59:33.437 INFO [stderr] warning: type alias is never used: `ListValue`
Dec 14 04:59:33.437 INFO [stderr]   --> src/store/mod.rs:11:1
Dec 14 04:59:33.437 INFO [stderr]    |
Dec 14 04:59:33.437 INFO [stderr] 11 | type ListValue = Vec<String>;
Dec 14 04:59:33.437 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: type alias is never used: `HashValue`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:12:1
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 12 | type HashValue = HashMap<String, String>;
Dec 14 04:59:33.443 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: enum is never used: `V`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:14:1
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 14 | enum V {
Dec 14 04:59:33.443 INFO [stderr]    | ^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: struct is never constructed: `Store`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:20:1
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 20 | pub struct Store {
Dec 14 04:59:33.443 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: function is never used: `drop_if_expired`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:26:1
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 26 | fn drop_if_expired(e: Entry<String, Instant>, store: &mut HashMap<String, V>) -> Option<()> {
Dec 14 04:59:33.443 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `new`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:41:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 41 |   pub fn new() -> Store {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `get`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:49:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 49 |   pub fn get(&mut self, key: String) -> Option<&String> {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `set`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:68:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 68 |   pub fn set(&mut self, key: String, val: String) {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `expire`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:74:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 74 |   pub fn expire(&mut self, key: String, at: Instant) {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `l_append`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:80:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 80 |   pub fn l_append(&mut self, key: String, val: String) -> Result<(), &'static str> {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `l_get`
Dec 14 04:59:33.443 INFO [stderr]   --> src/store/mod.rs:95:3
Dec 14 04:59:33.443 INFO [stderr]    |
Dec 14 04:59:33.443 INFO [stderr] 95 |   pub fn l_get(&mut self, key: String, index: &usize) -> Option<&String> {
Dec 14 04:59:33.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `l_getall`
Dec 14 04:59:33.443 INFO [stderr]    --> src/store/mod.rs:113:3
Dec 14 04:59:33.443 INFO [stderr]     |
Dec 14 04:59:33.443 INFO [stderr] 113 |   pub fn l_getall(&mut self, key: String) -> Option<&Vec<String>> {
Dec 14 04:59:33.443 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `l_insert`
Dec 14 04:59:33.443 INFO [stderr]    --> src/store/mod.rs:131:3
Dec 14 04:59:33.443 INFO [stderr]     |
Dec 14 04:59:33.443 INFO [stderr] 131 |   pub fn l_insert(&mut self, key: String, index: &usize, val: String) -> Result<(), &'static str> {
Dec 14 04:59:33.443 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `drop`
Dec 14 04:59:33.443 INFO [stderr]    --> src/store/mod.rs:156:3
Dec 14 04:59:33.443 INFO [stderr]     |
Dec 14 04:59:33.443 INFO [stderr] 156 |   pub fn drop(&mut self, key: String) {
Dec 14 04:59:33.443 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.443 INFO [stderr] 
Dec 14 04:59:33.443 INFO [stderr] warning: method is never used: `l_drop`
Dec 14 04:59:33.443 INFO [stderr]    --> src/store/mod.rs:163:3
Dec 14 04:59:33.443 INFO [stderr]     |
Dec 14 04:59:33.443 INFO [stderr] 163 |   pub fn l_drop(&mut self, key: String, index: &usize) -> Result<(), &'static str> {
Dec 14 04:59:33.444 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.444 INFO [stderr] 
Dec 14 04:59:33.444 INFO [stderr] warning: method is never used: `h_set`
Dec 14 04:59:33.444 INFO [stderr]    --> src/store/mod.rs:188:3
Dec 14 04:59:33.444 INFO [stderr]     |
Dec 14 04:59:33.444 INFO [stderr] 188 |   pub fn h_set(&mut self, key: String, h_key: String, val: String) -> Result<(), &'static str> {
Dec 14 04:59:33.444 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.444 INFO [stderr] 
Dec 14 04:59:33.444 INFO [stderr] warning: method is never used: `h_get`
Dec 14 04:59:33.444 INFO [stderr]    --> src/store/mod.rs:203:3
Dec 14 04:59:33.444 INFO [stderr]     |
Dec 14 04:59:33.444 INFO [stderr] 203 |   pub fn h_get(&mut self, key: String, h_key: String) -> Option<&String> {
Dec 14 04:59:33.444 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.444 INFO [stderr] 
Dec 14 04:59:33.444 INFO [stderr] warning: method is never used: `h_getall`
Dec 14 04:59:33.444 INFO [stderr]    --> src/store/mod.rs:226:3
Dec 14 04:59:33.444 INFO [stderr]     |
Dec 14 04:59:33.444 INFO [stderr] 226 |   pub fn h_getall(&mut self, key: String) -> Option<&HashMap<String, String>> {
Dec 14 04:59:33.444 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:33.444 INFO [stderr] 
Dec 14 04:59:33.772 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 14 04:59:33.774 INFO [stderr] su: No module specific data is present
Dec 14 04:59:34.608 INFO running `"docker" "inspect" "a5efaaead0b3b9ceaf9d80d85d9a667439cbfd21e6b6636f4387794b51022896"`
Dec 14 04:59:35.221 INFO running `"docker" "rm" "-f" "a5efaaead0b3b9ceaf9d80d85d9a667439cbfd21e6b6636f4387794b51022896"`
Dec 14 04:59:35.503 INFO [stdout] a5efaaead0b3b9ceaf9d80d85d9a667439cbfd21e6b6636f4387794b51022896
Dec 14 04:59:35.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 04:59:36.047 INFO [stdout] 5906eb937d47ac86bd86de4760137b027dd37cedcf67ba76ead68e6196118120
Dec 14 04:59:36.049 INFO running `"docker" "start" "-a" "5906eb937d47ac86bd86de4760137b027dd37cedcf67ba76ead68e6196118120"`
Dec 14 04:59:37.939 INFO [stderr] usermod: no changes
Dec 14 04:59:38.003 INFO [stderr]    Compiling kv v0.1.0 (/source)
Dec 14 04:59:38.639 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:59:38.639 INFO [stderr]   --> src/store/mod.rs:85:9
Dec 14 04:59:38.639 INFO [stderr]    |
Dec 14 04:59:38.639 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Dec 14 04:59:38.639 INFO [stderr]    |         ----^^^^^
Dec 14 04:59:38.639 INFO [stderr]    |         |
Dec 14 04:59:38.639 INFO [stderr]    |         help: remove this `mut`
Dec 14 04:59:38.639 INFO [stderr]    |
Dec 14 04:59:38.639 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 04:59:38.639 INFO [stderr] 
Dec 14 04:59:38.647 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:59:38.647 INFO [stderr]    --> src/store/mod.rs:193:9
Dec 14 04:59:38.647 INFO [stderr]     |
Dec 14 04:59:38.647 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Dec 14 04:59:38.647 INFO [stderr]     |         ----^^^^^
Dec 14 04:59:38.647 INFO [stderr]     |         |
Dec 14 04:59:38.647 INFO [stderr]     |         help: remove this `mut`
Dec 14 04:59:38.647 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:313:5
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr] 313 |     s.l_append(key.to_string(), new_value.to_string());
Dec 14 04:59:38.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 04:59:38.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.695 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:325:5
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr] 325 |     s.l_append(key.to_string(), value1.to_string());
Dec 14 04:59:38.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.695 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:326:5
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr] 326 |     s.l_append(key.to_string(), value2.to_string());
Dec 14 04:59:38.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.695 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:341:5
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr] 341 |     s.l_append(key.to_string(), value1.to_string());
Dec 14 04:59:38.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.695 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:342:5
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr] 342 |     s.l_append(key.to_string(), value2.to_string());
Dec 14 04:59:38.695 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.695 INFO [stderr]     |
Dec 14 04:59:38.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.695 INFO [stderr] 
Dec 14 04:59:38.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.695 INFO [stderr]    --> src/store/mod.rs:343:5
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr] 343 |     s.l_insert(key.to_string(), &0, value3.to_string());
Dec 14 04:59:38.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.696 INFO [stderr] 
Dec 14 04:59:38.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.696 INFO [stderr]    --> src/store/mod.rs:374:5
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr] 374 |     s.l_append(key.to_string(), value.to_string());
Dec 14 04:59:38.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.696 INFO [stderr] 
Dec 14 04:59:38.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.696 INFO [stderr]    --> src/store/mod.rs:377:7
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr] 377 |       s.l_drop(key.to_string(), &0);
Dec 14 04:59:38.696 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.696 INFO [stderr] 
Dec 14 04:59:38.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.696 INFO [stderr]    --> src/store/mod.rs:407:5
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr] 407 |     s.h_set(key.to_string(), h_key1.to_string(), value1.to_string());
Dec 14 04:59:38.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.696 INFO [stderr] 
Dec 14 04:59:38.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:59:38.696 INFO [stderr]    --> src/store/mod.rs:415:5
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr] 415 |     s.h_set(key.to_string(), h_key2.to_string(), value2.to_string());
Dec 14 04:59:38.696 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:59:38.696 INFO [stderr]     |
Dec 14 04:59:38.696 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:59:38.696 INFO [stderr] 
Dec 14 04:59:40.022 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 14 04:59:40.023 INFO [stderr] su: No module specific data is present
Dec 14 04:59:41.259 INFO running `"docker" "inspect" "5906eb937d47ac86bd86de4760137b027dd37cedcf67ba76ead68e6196118120"`
Dec 14 04:59:41.592 INFO running `"docker" "rm" "-f" "5906eb937d47ac86bd86de4760137b027dd37cedcf67ba76ead68e6196118120"`
Dec 14 04:59:41.948 INFO [stdout] 5906eb937d47ac86bd86de4760137b027dd37cedcf67ba76ead68e6196118120
Dec 14 04:59:41.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 14 04:59:42.484 INFO [stdout] 52a7aedaa135c34508d4310af09f34e09cbaae2d58fc81b04f2a5c2d985bbd39
Dec 14 04:59:42.488 INFO running `"docker" "start" "-a" "52a7aedaa135c34508d4310af09f34e09cbaae2d58fc81b04f2a5c2d985bbd39"`
Dec 14 04:59:44.399 INFO [stderr] usermod: no changes
Dec 14 04:59:44.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 04:59:44.448 INFO [stderr]      Running /target/debug/deps/kv-74ea5b4133f6d765
Dec 14 04:59:44.460 INFO [stdout] 
Dec 14 04:59:44.460 INFO [stdout] running 10 tests
Dec 14 04:59:44.463 INFO [stdout] test store::test::test_drop ... ok
Dec 14 04:59:44.467 INFO [stdout] test store::test::test_append_key ... ok
Dec 14 04:59:44.467 INFO [stdout] test store::test::test_returns_error_if_key_is_not_a_list ... ok
Dec 14 04:59:44.467 INFO [stdout] test store::test::test_list_insert ... ok
Dec 14 04:59:44.467 INFO [stdout] test store::test::test_set_and_get ... ok
Dec 14 04:59:44.467 INFO [stdout] test store::test::test_list_getall ... ok
Dec 14 04:59:44.473 INFO [stdout] test store::test::test_hash_getall ... ok
Dec 14 04:59:44.479 INFO [stdout] test store::test::test_list_drop ... ok
Dec 14 04:59:45.467 INFO [stdout] test store::test::test_get_after_expire ... ok
Dec 14 04:59:45.479 INFO [stdout] test store::test::test_when_list_expired_new_one_created ... ok
Dec 14 04:59:45.479 INFO [stdout] 
Dec 14 04:59:45.479 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:59:45.479 INFO [stdout] 
Dec 14 04:59:45.479 INFO [stderr] su: No module specific data is present
Dec 14 04:59:46.658 INFO running `"docker" "inspect" "52a7aedaa135c34508d4310af09f34e09cbaae2d58fc81b04f2a5c2d985bbd39"`
Dec 14 04:59:47.024 INFO running `"docker" "rm" "-f" "52a7aedaa135c34508d4310af09f34e09cbaae2d58fc81b04f2a5c2d985bbd39"`
Dec 14 04:59:47.391 INFO [stdout] 52a7aedaa135c34508d4310af09f34e09cbaae2d58fc81b04f2a5c2d985bbd39