Nov 17 11:01:30.632 INFO testing Twizty/kv against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 11:01:30.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 11:01:31.121 INFO [stdout] fe9b45de2ed1d5ed674bf92c2d4d58c6459706d191960d14b173d2aa4fcc010d
Nov 17 11:01:31.125 INFO running `"docker" "start" "-a" "fe9b45de2ed1d5ed674bf92c2d4d58c6459706d191960d14b173d2aa4fcc010d"`
Nov 17 11:01:32.396 INFO [stderr] usermod: no changes
Nov 17 11:01:32.451 INFO [stderr]    Compiling kv v0.1.0 (/source)
Nov 17 11:01:32.870 INFO [stderr] warning: unused import: `super::*`
Nov 17 11:01:32.870 INFO [stderr]    --> src/store/mod.rs:247:7
Nov 17 11:01:32.870 INFO [stderr]     |
Nov 17 11:01:32.870 INFO [stderr] 247 |   use super::*;
Nov 17 11:01:32.870 INFO [stderr]     |       ^^^^^^^^
Nov 17 11:01:32.870 INFO [stderr]     |
Nov 17 11:01:32.871 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 17 11:01:32.871 INFO [stderr] 
Nov 17 11:01:32.871 INFO [stderr] warning: unused import: `std::thread::sleep`
Nov 17 11:01:32.871 INFO [stderr]    --> src/store/mod.rs:248:7
Nov 17 11:01:32.871 INFO [stderr]     |
Nov 17 11:01:32.871 INFO [stderr] 248 |   use std::thread::sleep;
Nov 17 11:01:32.871 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.871 INFO [stderr] 
Nov 17 11:01:32.871 INFO [stderr] warning: unused import: `Duration`
Nov 17 11:01:32.871 INFO [stderr]    --> src/store/mod.rs:249:19
Nov 17 11:01:32.871 INFO [stderr]     |
Nov 17 11:01:32.871 INFO [stderr] 249 |   use std::time::{Duration};
Nov 17 11:01:32.871 INFO [stderr]     |                   ^^^^^^^^
Nov 17 11:01:32.871 INFO [stderr] 
Nov 17 11:01:32.935 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:01:32.935 INFO [stderr]   --> src/store/mod.rs:85:9
Nov 17 11:01:32.935 INFO [stderr]    |
Nov 17 11:01:32.935 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Nov 17 11:01:32.935 INFO [stderr]    |         ----^^^^^
Nov 17 11:01:32.935 INFO [stderr]    |         |
Nov 17 11:01:32.935 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:01:32.935 INFO [stderr]    |
Nov 17 11:01:32.935 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:01:32.935 INFO [stderr] 
Nov 17 11:01:32.935 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:01:32.935 INFO [stderr]    --> src/store/mod.rs:193:9
Nov 17 11:01:32.935 INFO [stderr]     |
Nov 17 11:01:32.935 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Nov 17 11:01:32.935 INFO [stderr]     |         ----^^^^^
Nov 17 11:01:32.935 INFO [stderr]     |         |
Nov 17 11:01:32.935 INFO [stderr]     |         help: remove this `mut`
Nov 17 11:01:32.935 INFO [stderr] 
Nov 17 11:01:32.939 INFO [stderr] warning: constant item is never used: `TYPE_MISSMATCH_ERROR`
Nov 17 11:01:32.939 INFO [stderr]  --> src/store/mod.rs:6:1
Nov 17 11:01:32.939 INFO [stderr]   |
Nov 17 11:01:32.939 INFO [stderr] 6 | const TYPE_MISSMATCH_ERROR: &'static str = "Type missmatch for the key";
Nov 17 11:01:32.939 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.939 INFO [stderr]   |
Nov 17 11:01:32.940 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 11:01:32.940 INFO [stderr] 
Nov 17 11:01:32.940 INFO [stderr] warning: constant item is never used: `KEY_NOT_FOUND_ERROR`
Nov 17 11:01:32.940 INFO [stderr]  --> src/store/mod.rs:7:1
Nov 17 11:01:32.940 INFO [stderr]   |
Nov 17 11:01:32.940 INFO [stderr] 7 | const KEY_NOT_FOUND_ERROR: &'static str = "Key not found";
Nov 17 11:01:32.941 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.941 INFO [stderr] 
Nov 17 11:01:32.941 INFO [stderr] warning: constant item is never used: `INDEX_OUT_OF_RANGE_ERROR`
Nov 17 11:01:32.941 INFO [stderr]  --> src/store/mod.rs:8:1
Nov 17 11:01:32.941 INFO [stderr]   |
Nov 17 11:01:32.941 INFO [stderr] 8 | const INDEX_OUT_OF_RANGE_ERROR: &'static str = "Index is out of range";
Nov 17 11:01:32.941 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: type alias is never used: `StringValue`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:10:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 10 | type StringValue = String;
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: type alias is never used: `ListValue`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:11:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 11 | type ListValue = Vec<String>;
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: type alias is never used: `HashValue`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:12:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 12 | type HashValue = HashMap<String, String>;
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: enum is never used: `V`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:14:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 14 | enum V {
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: struct is never constructed: `Store`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:20:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 20 | pub struct Store {
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: function is never used: `drop_if_expired`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:26:1
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 26 | fn drop_if_expired(e: Entry<String, Instant>, store: &mut HashMap<String, V>) -> Option<()> {
Nov 17 11:01:32.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `new`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:41:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 41 |   pub fn new() -> Store {
Nov 17 11:01:32.942 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `get`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:49:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 49 |   pub fn get(&mut self, key: String) -> Option<&String> {
Nov 17 11:01:32.942 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `set`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:68:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 68 |   pub fn set(&mut self, key: String, val: String) {
Nov 17 11:01:32.942 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `expire`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:74:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 74 |   pub fn expire(&mut self, key: String, at: Instant) {
Nov 17 11:01:32.942 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `l_append`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:80:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 80 |   pub fn l_append(&mut self, key: String, val: String) -> Result<(), &'static str> {
Nov 17 11:01:32.942 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.942 INFO [stderr] 
Nov 17 11:01:32.942 INFO [stderr] warning: method is never used: `l_get`
Nov 17 11:01:32.942 INFO [stderr]   --> src/store/mod.rs:95:3
Nov 17 11:01:32.942 INFO [stderr]    |
Nov 17 11:01:32.942 INFO [stderr] 95 |   pub fn l_get(&mut self, key: String, index: &usize) -> Option<&String> {
Nov 17 11:01:32.943 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `l_getall`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:113:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 113 |   pub fn l_getall(&mut self, key: String) -> Option<&Vec<String>> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `l_insert`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:131:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 131 |   pub fn l_insert(&mut self, key: String, index: &usize, val: String) -> Result<(), &'static str> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `drop`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:156:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 156 |   pub fn drop(&mut self, key: String) {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `l_drop`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:163:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 163 |   pub fn l_drop(&mut self, key: String, index: &usize) -> Result<(), &'static str> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `h_set`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:188:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 188 |   pub fn h_set(&mut self, key: String, h_key: String, val: String) -> Result<(), &'static str> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `h_get`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:203:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 203 |   pub fn h_get(&mut self, key: String, h_key: String) -> Option<&String> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:32.943 INFO [stderr] warning: method is never used: `h_getall`
Nov 17 11:01:32.943 INFO [stderr]    --> src/store/mod.rs:226:3
Nov 17 11:01:32.943 INFO [stderr]     |
Nov 17 11:01:32.943 INFO [stderr] 226 |   pub fn h_getall(&mut self, key: String) -> Option<&HashMap<String, String>> {
Nov 17 11:01:32.943 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:32.943 INFO [stderr] 
Nov 17 11:01:33.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 17 11:01:33.235 INFO [stderr] su: No module specific data is present
Nov 17 11:01:34.193 INFO running `"docker" "inspect" "fe9b45de2ed1d5ed674bf92c2d4d58c6459706d191960d14b173d2aa4fcc010d"`
Nov 17 11:01:34.429 INFO running `"docker" "rm" "-f" "fe9b45de2ed1d5ed674bf92c2d4d58c6459706d191960d14b173d2aa4fcc010d"`
Nov 17 11:01:34.739 INFO [stdout] fe9b45de2ed1d5ed674bf92c2d4d58c6459706d191960d14b173d2aa4fcc010d
Nov 17 11:01:34.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 11:01:35.212 INFO [stdout] 9984dc64b898178d9bbde2824a506e16eb57dae731b4e7813862100c9360bf3a
Nov 17 11:01:35.217 INFO running `"docker" "start" "-a" "9984dc64b898178d9bbde2824a506e16eb57dae731b4e7813862100c9360bf3a"`
Nov 17 11:01:36.388 INFO [stderr] usermod: no changes
Nov 17 11:01:36.459 INFO [stderr]    Compiling kv v0.1.0 (/source)
Nov 17 11:01:37.039 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:01:37.040 INFO [stderr]   --> src/store/mod.rs:85:9
Nov 17 11:01:37.040 INFO [stderr]    |
Nov 17 11:01:37.040 INFO [stderr] 85 |     let mut value = self.store.entry(key.clone()).or_insert(V::ListValue(Vec::new()));
Nov 17 11:01:37.040 INFO [stderr]    |         ----^^^^^
Nov 17 11:01:37.040 INFO [stderr]    |         |
Nov 17 11:01:37.040 INFO [stderr]    |         help: remove this `mut`
Nov 17 11:01:37.040 INFO [stderr]    |
Nov 17 11:01:37.041 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 11:01:37.041 INFO [stderr] 
Nov 17 11:01:37.041 INFO [stderr] warning: variable does not need to be mutable
Nov 17 11:01:37.041 INFO [stderr]    --> src/store/mod.rs:193:9
Nov 17 11:01:37.041 INFO [stderr]     |
Nov 17 11:01:37.041 INFO [stderr] 193 |     let mut value = self.store.entry(key.clone()).or_insert(V::HashValue(HashMap::new()));
Nov 17 11:01:37.041 INFO [stderr]     |         ----^^^^^
Nov 17 11:01:37.042 INFO [stderr]     |         |
Nov 17 11:01:37.042 INFO [stderr]     |         help: remove this `mut`
Nov 17 11:01:37.042 INFO [stderr] 
Nov 17 11:01:37.095 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.095 INFO [stderr]    --> src/store/mod.rs:313:5
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr] 313 |     s.l_append(key.to_string(), new_value.to_string());
Nov 17 11:01:37.095 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 11:01:37.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.095 INFO [stderr] 
Nov 17 11:01:37.095 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.095 INFO [stderr]    --> src/store/mod.rs:325:5
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr] 325 |     s.l_append(key.to_string(), value1.to_string());
Nov 17 11:01:37.095 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.095 INFO [stderr] 
Nov 17 11:01:37.095 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.095 INFO [stderr]    --> src/store/mod.rs:326:5
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr] 326 |     s.l_append(key.to_string(), value2.to_string());
Nov 17 11:01:37.095 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.095 INFO [stderr] 
Nov 17 11:01:37.095 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.095 INFO [stderr]    --> src/store/mod.rs:341:5
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr] 341 |     s.l_append(key.to_string(), value1.to_string());
Nov 17 11:01:37.095 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.095 INFO [stderr] 
Nov 17 11:01:37.095 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.095 INFO [stderr]    --> src/store/mod.rs:342:5
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr] 342 |     s.l_append(key.to_string(), value2.to_string());
Nov 17 11:01:37.095 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.095 INFO [stderr]     |
Nov 17 11:01:37.095 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:37.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.096 INFO [stderr]    --> src/store/mod.rs:343:5
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr] 343 |     s.l_insert(key.to_string(), &0, value3.to_string());
Nov 17 11:01:37.096 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:37.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.096 INFO [stderr]    --> src/store/mod.rs:374:5
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr] 374 |     s.l_append(key.to_string(), value.to_string());
Nov 17 11:01:37.096 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:37.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.096 INFO [stderr]    --> src/store/mod.rs:377:7
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr] 377 |       s.l_drop(key.to_string(), &0);
Nov 17 11:01:37.096 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:37.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.096 INFO [stderr]    --> src/store/mod.rs:407:5
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr] 407 |     s.h_set(key.to_string(), h_key1.to_string(), value1.to_string());
Nov 17 11:01:37.096 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:37.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 11:01:37.096 INFO [stderr]    --> src/store/mod.rs:415:5
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr] 415 |     s.h_set(key.to_string(), h_key2.to_string(), value2.to_string());
Nov 17 11:01:37.096 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 11:01:37.096 INFO [stderr]     |
Nov 17 11:01:37.096 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 11:01:37.096 INFO [stderr] 
Nov 17 11:01:38.719 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Nov 17 11:01:38.719 INFO [stderr] su: No module specific data is present
Nov 17 11:01:39.847 INFO running `"docker" "inspect" "9984dc64b898178d9bbde2824a506e16eb57dae731b4e7813862100c9360bf3a"`
Nov 17 11:01:40.155 INFO running `"docker" "rm" "-f" "9984dc64b898178d9bbde2824a506e16eb57dae731b4e7813862100c9360bf3a"`
Nov 17 11:01:40.450 INFO [stdout] 9984dc64b898178d9bbde2824a506e16eb57dae731b4e7813862100c9360bf3a
Nov 17 11:01:40.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 11:01:40.911 INFO [stdout] 910513fe8a6884fac281183c2c1f7983f439d862d87303ac35f1f009b6c39297
Nov 17 11:01:40.912 INFO running `"docker" "start" "-a" "910513fe8a6884fac281183c2c1f7983f439d862d87303ac35f1f009b6c39297"`
Nov 17 11:01:42.239 INFO [stderr] usermod: no changes
Nov 17 11:01:42.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 11:01:42.289 INFO [stderr]      Running /target/debug/deps/kv-4b1e0de6bb51f228
Nov 17 11:01:42.313 INFO [stdout] 
Nov 17 11:01:42.313 INFO [stdout] running 10 tests
Nov 17 11:01:42.313 INFO [stdout] test store::test::test_drop ... ok
Nov 17 11:01:42.313 INFO [stdout] test store::test::test_list_insert ... ok
Nov 17 11:01:42.313 INFO [stdout] test store::test::test_list_getall ... ok
Nov 17 11:01:42.313 INFO [stdout] test store::test::test_hash_getall ... ok
Nov 17 11:01:42.315 INFO [stdout] test store::test::test_list_drop ... ok
Nov 17 11:01:42.315 INFO [stdout] test store::test::test_append_key ... ok
Nov 17 11:01:42.318 INFO [stdout] test store::test::test_returns_error_if_key_is_not_a_list ... ok
Nov 17 11:01:42.318 INFO [stdout] test store::test::test_set_and_get ... ok
Nov 17 11:01:43.314 INFO [stdout] test store::test::test_get_after_expire ... ok
Nov 17 11:01:43.314 INFO [stdout] test store::test::test_when_list_expired_new_one_created ... ok
Nov 17 11:01:43.314 INFO [stdout] 
Nov 17 11:01:43.314 INFO [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 11:01:43.314 INFO [stdout] 
Nov 17 11:01:43.315 INFO [stderr] su: No module specific data is present
Nov 17 11:01:44.311 INFO running `"docker" "inspect" "910513fe8a6884fac281183c2c1f7983f439d862d87303ac35f1f009b6c39297"`
Nov 17 11:01:44.641 INFO running `"docker" "rm" "-f" "910513fe8a6884fac281183c2c1f7983f439d862d87303ac35f1f009b6c39297"`
Nov 17 11:01:44.938 INFO [stdout] 910513fe8a6884fac281183c2c1f7983f439d862d87303ac35f1f009b6c39297