Nov 30 07:57:28.830 INFO checking WenjunHuang/SledMultiThreadTest against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 07:57:28.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 30 07:57:29.196 INFO [stdout] fd2dc08758d703e852fe8d394a2264f242bd2166478f203febe78325fcb480d2
Nov 30 07:57:29.204 INFO running `"docker" "start" "-a" "fd2dc08758d703e852fe8d394a2264f242bd2166478f203febe78325fcb480d2"`
Nov 30 07:57:30.616 INFO [stderr] usermod: no changes
Nov 30 07:57:30.812 INFO [stderr]     Checking crossbeam-utils v0.5.0
Nov 30 07:57:30.824 INFO [stderr]     Checking coco v0.2.1
Nov 30 07:57:30.832 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 30 07:57:32.508 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Nov 30 07:57:32.711 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 30 07:57:32.836 INFO [stderr]     Checking historian v3.0.4
Nov 30 07:57:33.833 INFO [stderr]     Checking rayon-core v1.4.1
Nov 30 07:57:33.900 INFO [stderr]     Checking pagetable v0.1.0
Nov 30 07:57:35.534 INFO [stderr]     Checking rayon v1.0.3
Nov 30 07:57:40.249 INFO [stderr]     Checking pagecache v0.7.2
Nov 30 07:57:45.156 INFO [stderr]     Checking sled v0.16.2
Nov 30 07:57:49.268 INFO [stderr]     Checking SledMultithreadTest v0.1.0 (/source)
Nov 30 07:57:52.948 INFO [stderr] warning: unused import: `SubCommand`
Nov 30 07:57:52.948 INFO [stderr]  --> src/main.rs:4:22
Nov 30 07:57:52.948 INFO [stderr]   |
Nov 30 07:57:52.948 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 30 07:57:52.948 INFO [stderr]   |                      ^^^^^^^^^^
Nov 30 07:57:52.948 INFO [stderr]   |
Nov 30 07:57:52.948 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:57:52.948 INFO [stderr] 
Nov 30 07:57:52.956 INFO [stderr] warning: unused import: `SubCommand`
Nov 30 07:57:52.956 INFO [stderr]  --> src/main.rs:4:22
Nov 30 07:57:52.956 INFO [stderr]   |
Nov 30 07:57:52.956 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 30 07:57:52.956 INFO [stderr]   |                      ^^^^^^^^^^
Nov 30 07:57:52.956 INFO [stderr]   |
Nov 30 07:57:52.956 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:57:52.956 INFO [stderr] 
Nov 30 07:57:53.292 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.292 INFO [stderr]   --> src/main.rs:62:31
Nov 30 07:57:53.292 INFO [stderr]    |
Nov 30 07:57:53.292 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.292 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.292 INFO [stderr]    |
Nov 30 07:57:53.292 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:57:53.292 INFO [stderr] 
Nov 30 07:57:53.292 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.292 INFO [stderr]   --> src/main.rs:89:30
Nov 30 07:57:53.292 INFO [stderr]    |
Nov 30 07:57:53.292 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.292 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.292 INFO [stderr] 
Nov 30 07:57:53.301 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.301 INFO [stderr]   --> src/main.rs:62:31
Nov 30 07:57:53.301 INFO [stderr]    |
Nov 30 07:57:53.301 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.301 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.301 INFO [stderr]    |
Nov 30 07:57:53.301 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:57:53.301 INFO [stderr] 
Nov 30 07:57:53.301 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.301 INFO [stderr]   --> src/main.rs:89:30
Nov 30 07:57:53.301 INFO [stderr]    |
Nov 30 07:57:53.301 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.301 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.301 INFO [stderr] 
Nov 30 07:57:53.320 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 30 07:57:53.320 INFO [stderr]   |
Nov 30 07:57:53.320 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 07:57:53.320 INFO [stderr] 
Nov 30 07:57:53.326 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 30 07:57:53.326 INFO [stderr]   |
Nov 30 07:57:53.326 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 07:57:53.326 INFO [stderr] 
Nov 30 07:57:53.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.73s
Nov 30 07:57:53.371 INFO [stderr] su: No module specific data is present
Nov 30 07:57:54.644 INFO running `"docker" "inspect" "fd2dc08758d703e852fe8d394a2264f242bd2166478f203febe78325fcb480d2"`
Nov 30 07:57:54.898 INFO running `"docker" "rm" "-f" "fd2dc08758d703e852fe8d394a2264f242bd2166478f203febe78325fcb480d2"`
Nov 30 07:57:55.260 INFO [stdout] fd2dc08758d703e852fe8d394a2264f242bd2166478f203febe78325fcb480d2