Dec 06 08:50:34.868 INFO testing Twizty/kv against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 08:50:34.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 06 08:50:35.542 INFO [stdout] 40af80914678924820dd0885826e2cfee0b98170fbd772e337a7c6c579335a87
Dec 06 08:50:35.546 INFO running `"docker" "start" "-a" "40af80914678924820dd0885826e2cfee0b98170fbd772e337a7c6c579335a87"`
Dec 06 08:50:37.199 INFO [stderr] usermod: no changes
Dec 06 08:50:37.241 INFO [stderr]    Compiling kv v0.1.0 (/source)
Dec 06 08:50:37.610 INFO [stderr] warning: unused import: `super::*`
Dec 06 08:50:37.610 INFO [stderr]    --> src/store/mod.rs:247:7
Dec 06 08:50:37.610 INFO [stderr]     |
Dec 06 08:50:37.610 INFO [stderr] 247 |   use super::*;
Dec 06 08:50:37.610 INFO [stderr]     |       ^^^^^^^^
Dec 06 08:50:37.610 INFO [stderr]     |
Dec 06 08:50:37.610 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 06 08:50:37.610 INFO [stderr] 
Dec 06 08:50:37.610 INFO [stderr] warning: unused import: `std::thread::sleep`
Dec 06 08:50:37.610 INFO [stderr]    --> src/store/mod.rs:248:7
Dec 06 08:50:37.610 INFO [stderr]     |
Dec 06 08:50:37.610 INFO [stderr] 248 |   use std::thread::sleep;
Dec 06 08:50:37.611 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.611 INFO [stderr] 
Dec 06 08:50:37.611 INFO [stderr] warning: unused import: `Duration`
Dec 06 08:50:37.611 INFO [stderr]    --> src/store/mod.rs:249:19
Dec 06 08:50:37.611 INFO [stderr]     |
Dec 06 08:50:37.611 INFO [stderr] 249 |   use std::time::{Duration};
Dec 06 08:50:37.611 INFO [stderr]     |                   ^^^^^^^^
Dec 06 08:50:37.611 INFO [stderr] 
Dec 06 08:50:37.663 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:50:37.663 INFO [stderr]   --> src/store/mod.rs:85:9
Dec 06 08:50:37.663 INFO [stderr]    |
Dec 06 08:50:37.663 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Dec 06 08:50:37.663 INFO [stderr]    |         ----^^^^^
Dec 06 08:50:37.663 INFO [stderr]    |         |
Dec 06 08:50:37.663 INFO [stderr]    |         help: remove this `mut`
Dec 06 08:50:37.663 INFO [stderr]    |
Dec 06 08:50:37.663 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:50:37.663 INFO [stderr] 
Dec 06 08:50:37.667 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:50:37.667 INFO [stderr]    --> src/store/mod.rs:193:9
Dec 06 08:50:37.667 INFO [stderr]     |
Dec 06 08:50:37.667 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Dec 06 08:50:37.667 INFO [stderr]     |         ----^^^^^
Dec 06 08:50:37.667 INFO [stderr]     |         |
Dec 06 08:50:37.667 INFO [stderr]     |         help: remove this `mut`
Dec 06 08:50:37.667 INFO [stderr] 
Dec 06 08:50:37.669 INFO [stderr] warning: constant item is never used: `TYPE_MISSMATCH_ERROR`
Dec 06 08:50:37.669 INFO [stderr]  --> src/store/mod.rs:6:1
Dec 06 08:50:37.669 INFO [stderr]   |
Dec 06 08:50:37.669 INFO [stderr] 6 | const TYPE_MISSMATCH_ERROR: &'static str = "Type missmatch for the key";
Dec 06 08:50:37.669 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.669 INFO [stderr]   |
Dec 06 08:50:37.669 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 08:50:37.669 INFO [stderr] 
Dec 06 08:50:37.670 INFO [stderr] warning: constant item is never used: `KEY_NOT_FOUND_ERROR`
Dec 06 08:50:37.670 INFO [stderr]  --> src/store/mod.rs:7:1
Dec 06 08:50:37.670 INFO [stderr]   |
Dec 06 08:50:37.670 INFO [stderr] 7 | const KEY_NOT_FOUND_ERROR: &'static str = "Key not found";
Dec 06 08:50:37.670 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.670 INFO [stderr] 
Dec 06 08:50:37.671 INFO [stderr] warning: constant item is never used: `INDEX_OUT_OF_RANGE_ERROR`
Dec 06 08:50:37.671 INFO [stderr]  --> src/store/mod.rs:8:1
Dec 06 08:50:37.671 INFO [stderr]   |
Dec 06 08:50:37.671 INFO [stderr] 8 | const INDEX_OUT_OF_RANGE_ERROR: &'static str = "Index is out of range";
Dec 06 08:50:37.671 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.671 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: type alias is never used: `StringValue`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:10:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 10 | type StringValue = String;
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: type alias is never used: `ListValue`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:11:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 11 | type ListValue = Vec<String>;
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: type alias is never used: `HashValue`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:12:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 12 | type HashValue = HashMap<String, String>;
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: enum is never used: `V`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:14:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 14 | enum V {
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: struct is never constructed: `Store`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:20:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 20 | pub struct Store {
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: function is never used: `drop_if_expired`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:26:1
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 26 | fn drop_if_expired(e: Entry<String, Instant>, store: &mut HashMap<String, V>) -> Option<()> {
Dec 06 08:50:37.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `new`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:41:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 41 |   pub fn new() -> Store {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `get`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:49:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 49 |   pub fn get(&mut self, key: String) -> Option<&String> {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `set`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:68:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 68 |   pub fn set(&mut self, key: String, val: String) {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `expire`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:74:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 74 |   pub fn expire(&mut self, key: String, at: Instant) {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `l_append`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:80:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 80 |   pub fn l_append(&mut self, key: String, val: String) -> Result<(), &'static str> {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `l_get`
Dec 06 08:50:37.672 INFO [stderr]   --> src/store/mod.rs:95:3
Dec 06 08:50:37.672 INFO [stderr]    |
Dec 06 08:50:37.672 INFO [stderr] 95 |   pub fn l_get(&mut self, key: String, index: &usize) -> Option<&String> {
Dec 06 08:50:37.672 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `l_getall`
Dec 06 08:50:37.672 INFO [stderr]    --> src/store/mod.rs:113:3
Dec 06 08:50:37.672 INFO [stderr]     |
Dec 06 08:50:37.672 INFO [stderr] 113 |   pub fn l_getall(&mut self, key: String) -> Option<&Vec<String>> {
Dec 06 08:50:37.672 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.672 INFO [stderr] warning: method is never used: `l_insert`
Dec 06 08:50:37.672 INFO [stderr]    --> src/store/mod.rs:131:3
Dec 06 08:50:37.672 INFO [stderr]     |
Dec 06 08:50:37.672 INFO [stderr] 131 |   pub fn l_insert(&mut self, key: String, index: &usize, val: String) -> Result<(), &'static str> {
Dec 06 08:50:37.672 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.672 INFO [stderr] 
Dec 06 08:50:37.673 INFO [stderr] warning: method is never used: `drop`
Dec 06 08:50:37.673 INFO [stderr]    --> src/store/mod.rs:156:3
Dec 06 08:50:37.673 INFO [stderr]     |
Dec 06 08:50:37.673 INFO [stderr] 156 |   pub fn drop(&mut self, key: String) {
Dec 06 08:50:37.673 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.673 INFO [stderr] 
Dec 06 08:50:37.673 INFO [stderr] warning: method is never used: `l_drop`
Dec 06 08:50:37.673 INFO [stderr]    --> src/store/mod.rs:163:3
Dec 06 08:50:37.673 INFO [stderr]     |
Dec 06 08:50:37.673 INFO [stderr] 163 |   pub fn l_drop(&mut self, key: String, index: &usize) -> Result<(), &'static str> {
Dec 06 08:50:37.673 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.673 INFO [stderr] 
Dec 06 08:50:37.673 INFO [stderr] warning: method is never used: `h_set`
Dec 06 08:50:37.673 INFO [stderr]    --> src/store/mod.rs:188:3
Dec 06 08:50:37.673 INFO [stderr]     |
Dec 06 08:50:37.673 INFO [stderr] 188 |   pub fn h_set(&mut self, key: String, h_key: String, val: String) -> Result<(), &'static str> {
Dec 06 08:50:37.673 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.673 INFO [stderr] 
Dec 06 08:50:37.673 INFO [stderr] warning: method is never used: `h_get`
Dec 06 08:50:37.673 INFO [stderr]    --> src/store/mod.rs:203:3
Dec 06 08:50:37.673 INFO [stderr]     |
Dec 06 08:50:37.673 INFO [stderr] 203 |   pub fn h_get(&mut self, key: String, h_key: String) -> Option<&String> {
Dec 06 08:50:37.673 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.673 INFO [stderr] 
Dec 06 08:50:37.673 INFO [stderr] warning: method is never used: `h_getall`
Dec 06 08:50:37.673 INFO [stderr]    --> src/store/mod.rs:226:3
Dec 06 08:50:37.673 INFO [stderr]     |
Dec 06 08:50:37.673 INFO [stderr] 226 |   pub fn h_getall(&mut self, key: String) -> Option<&HashMap<String, String>> {
Dec 06 08:50:37.673 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:37.673 INFO [stderr] 
Dec 06 08:50:37.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 06 08:50:37.983 INFO [stderr] su: No module specific data is present
Dec 06 08:50:38.696 INFO running `"docker" "inspect" "40af80914678924820dd0885826e2cfee0b98170fbd772e337a7c6c579335a87"`
Dec 06 08:50:39.036 INFO running `"docker" "rm" "-f" "40af80914678924820dd0885826e2cfee0b98170fbd772e337a7c6c579335a87"`
Dec 06 08:50:39.268 INFO [stdout] 40af80914678924820dd0885826e2cfee0b98170fbd772e337a7c6c579335a87
Dec 06 08:50:39.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 06 08:50:39.843 INFO [stdout] 3524165fbe8d622076b7d3f3b88885ae87f401cd10c6b6bd536155125deb4b43
Dec 06 08:50:39.845 INFO running `"docker" "start" "-a" "3524165fbe8d622076b7d3f3b88885ae87f401cd10c6b6bd536155125deb4b43"`
Dec 06 08:50:41.744 INFO [stderr] usermod: no changes
Dec 06 08:50:41.828 INFO [stderr]    Compiling kv v0.1.0 (/source)
Dec 06 08:50:42.413 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:50:42.413 INFO [stderr]   --> src/store/mod.rs:85:9
Dec 06 08:50:42.413 INFO [stderr]    |
Dec 06 08:50:42.413 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Dec 06 08:50:42.413 INFO [stderr]    |         ----^^^^^
Dec 06 08:50:42.413 INFO [stderr]    |         |
Dec 06 08:50:42.413 INFO [stderr]    |         help: remove this `mut`
Dec 06 08:50:42.413 INFO [stderr]    |
Dec 06 08:50:42.413 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:50:42.413 INFO [stderr] 
Dec 06 08:50:42.418 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:50:42.418 INFO [stderr]    --> src/store/mod.rs:193:9
Dec 06 08:50:42.418 INFO [stderr]     |
Dec 06 08:50:42.418 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Dec 06 08:50:42.418 INFO [stderr]     |         ----^^^^^
Dec 06 08:50:42.418 INFO [stderr]     |         |
Dec 06 08:50:42.418 INFO [stderr]     |         help: remove this `mut`
Dec 06 08:50:42.418 INFO [stderr] 
Dec 06 08:50:42.461 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.461 INFO [stderr]    --> src/store/mod.rs:313:5
Dec 06 08:50:42.461 INFO [stderr]     |
Dec 06 08:50:42.461 INFO [stderr] 313 |     s.l_append(key.to_string(), new_value.to_string());
Dec 06 08:50:42.461 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.461 INFO [stderr]     |
Dec 06 08:50:42.461 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 08:50:42.461 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.461 INFO [stderr] 
Dec 06 08:50:42.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.462 INFO [stderr]    --> src/store/mod.rs:325:5
Dec 06 08:50:42.462 INFO [stderr]     |
Dec 06 08:50:42.462 INFO [stderr] 325 |     s.l_append(key.to_string(), value1.to_string());
Dec 06 08:50:42.462 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.462 INFO [stderr]     |
Dec 06 08:50:42.463 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.463 INFO [stderr] 
Dec 06 08:50:42.463 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.464 INFO [stderr]    --> src/store/mod.rs:326:5
Dec 06 08:50:42.464 INFO [stderr]     |
Dec 06 08:50:42.464 INFO [stderr] 326 |     s.l_append(key.to_string(), value2.to_string());
Dec 06 08:50:42.464 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.465 INFO [stderr]     |
Dec 06 08:50:42.465 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.465 INFO [stderr] 
Dec 06 08:50:42.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.466 INFO [stderr]    --> src/store/mod.rs:341:5
Dec 06 08:50:42.467 INFO [stderr]     |
Dec 06 08:50:42.467 INFO [stderr] 341 |     s.l_append(key.to_string(), value1.to_string());
Dec 06 08:50:42.467 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.468 INFO [stderr]     |
Dec 06 08:50:42.468 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.468 INFO [stderr] 
Dec 06 08:50:42.469 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.469 INFO [stderr]    --> src/store/mod.rs:342:5
Dec 06 08:50:42.469 INFO [stderr]     |
Dec 06 08:50:42.469 INFO [stderr] 342 |     s.l_append(key.to_string(), value2.to_string());
Dec 06 08:50:42.470 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.470 INFO [stderr]     |
Dec 06 08:50:42.470 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.470 INFO [stderr] 
Dec 06 08:50:42.471 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.471 INFO [stderr]    --> src/store/mod.rs:343:5
Dec 06 08:50:42.471 INFO [stderr]     |
Dec 06 08:50:42.472 INFO [stderr] 343 |     s.l_insert(key.to_string(), &0, value3.to_string());
Dec 06 08:50:42.472 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.472 INFO [stderr]     |
Dec 06 08:50:42.472 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.473 INFO [stderr] 
Dec 06 08:50:42.474 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.474 INFO [stderr]    --> src/store/mod.rs:374:5
Dec 06 08:50:42.475 INFO [stderr]     |
Dec 06 08:50:42.475 INFO [stderr] 374 |     s.l_append(key.to_string(), value.to_string());
Dec 06 08:50:42.475 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.475 INFO [stderr]     |
Dec 06 08:50:42.475 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.475 INFO [stderr] 
Dec 06 08:50:42.475 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.475 INFO [stderr]    --> src/store/mod.rs:377:7
Dec 06 08:50:42.475 INFO [stderr]     |
Dec 06 08:50:42.475 INFO [stderr] 377 |       s.l_drop(key.to_string(), &0);
Dec 06 08:50:42.475 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.476 INFO [stderr]     |
Dec 06 08:50:42.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.476 INFO [stderr] 
Dec 06 08:50:42.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.477 INFO [stderr]    --> src/store/mod.rs:407:5
Dec 06 08:50:42.477 INFO [stderr]     |
Dec 06 08:50:42.477 INFO [stderr] 407 |     s.h_set(key.to_string(), h_key1.to_string(), value1.to_string());
Dec 06 08:50:42.477 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.477 INFO [stderr]     |
Dec 06 08:50:42.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.477 INFO [stderr] 
Dec 06 08:50:42.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:50:42.477 INFO [stderr]    --> src/store/mod.rs:415:5
Dec 06 08:50:42.477 INFO [stderr]     |
Dec 06 08:50:42.477 INFO [stderr] 415 |     s.h_set(key.to_string(), h_key2.to_string(), value2.to_string());
Dec 06 08:50:42.477 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:50:42.477 INFO [stderr]     |
Dec 06 08:50:42.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:50:42.477 INFO [stderr] 
Dec 06 08:50:43.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Dec 06 08:50:43.856 INFO [stderr] su: No module specific data is present
Dec 06 08:50:44.989 INFO running `"docker" "inspect" "3524165fbe8d622076b7d3f3b88885ae87f401cd10c6b6bd536155125deb4b43"`
Dec 06 08:50:45.256 INFO running `"docker" "rm" "-f" "3524165fbe8d622076b7d3f3b88885ae87f401cd10c6b6bd536155125deb4b43"`
Dec 06 08:50:45.596 INFO [stdout] 3524165fbe8d622076b7d3f3b88885ae87f401cd10c6b6bd536155125deb4b43
Dec 06 08:50:45.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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" "-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 06 08:50:46.112 INFO [stdout] f4986b570e958a15f4ba2c218450a3c13f64488308dd94008a9ae85143276118
Dec 06 08:50:46.114 INFO running `"docker" "start" "-a" "f4986b570e958a15f4ba2c218450a3c13f64488308dd94008a9ae85143276118"`
Dec 06 08:50:47.830 INFO [stderr] usermod: no changes
Dec 06 08:50:47.877 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 08:50:47.878 INFO [stderr]      Running /target/debug/deps/kv-9bfae65ad5fce748
Dec 06 08:50:47.888 INFO [stdout] 
Dec 06 08:50:47.888 INFO [stdout] running 10 tests
Dec 06 08:50:47.888 INFO [stdout] test store::test::test_append_key ... ok
Dec 06 08:50:47.888 INFO [stdout] test store::test::test_drop ... ok
Dec 06 08:50:47.888 INFO [stdout] test store::test::test_returns_error_if_key_is_not_a_list ... ok
Dec 06 08:50:47.888 INFO [stdout] test store::test::test_list_drop ... ok
Dec 06 08:50:47.888 INFO [stdout] test store::test::test_hash_getall ... ok
Dec 06 08:50:47.901 INFO [stdout] test store::test::test_set_and_get ... ok
Dec 06 08:50:47.901 INFO [stdout] test store::test::test_list_getall ... ok
Dec 06 08:50:47.901 INFO [stdout] test store::test::test_list_insert ... ok
Dec 06 08:50:48.888 INFO [stdout] test store::test::test_get_after_expire ... ok
Dec 06 08:50:48.888 INFO [stdout] test store::test::test_when_list_expired_new_one_created ... ok
Dec 06 08:50:48.888 INFO [stdout] 
Dec 06 08:50:48.888 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:50:48.888 INFO [stdout] 
Dec 06 08:50:48.896 INFO [stderr] su: No module specific data is present
Dec 06 08:50:49.662 INFO running `"docker" "inspect" "f4986b570e958a15f4ba2c218450a3c13f64488308dd94008a9ae85143276118"`
Dec 06 08:50:49.912 INFO running `"docker" "rm" "-f" "f4986b570e958a15f4ba2c218450a3c13f64488308dd94008a9ae85143276118"`
Dec 06 08:50:50.252 INFO [stdout] f4986b570e958a15f4ba2c218450a3c13f64488308dd94008a9ae85143276118