Dec 04 23:29:01.564 INFO checking WenjunHuang/SledMultiThreadTest against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:29:01.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 23:29:02.128 INFO [stdout] 6953117abc64d1d597ad34c815a9f06cce9b367eac1e3b8857e86b8864e09760
Dec 04 23:29:02.131 INFO running `"docker" "start" "-a" "6953117abc64d1d597ad34c815a9f06cce9b367eac1e3b8857e86b8864e09760"`
Dec 04 23:29:03.499 INFO [stderr] usermod: no changes
Dec 04 23:29:03.735 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 04 23:29:03.739 INFO [stderr]     Checking coco v0.2.1
Dec 04 23:29:03.747 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 23:29:04.703 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 04 23:29:04.984 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 23:29:05.503 INFO [stderr]     Checking historian v3.0.4
Dec 04 23:29:05.795 INFO [stderr]     Checking pagetable v0.1.0
Dec 04 23:29:06.327 INFO [stderr]     Checking rayon-core v1.4.1
Dec 04 23:29:07.659 INFO [stderr]     Checking rayon v1.0.3
Dec 04 23:29:11.879 INFO [stderr]     Checking pagecache v0.7.2
Dec 04 23:29:16.549 INFO [stderr]     Checking sled v0.16.2
Dec 04 23:29:20.615 INFO [stderr]     Checking SledMultithreadTest v0.1.0 (/source)
Dec 04 23:29:22.947 INFO [stderr] warning: unused import: `SubCommand`
Dec 04 23:29:22.947 INFO [stderr]  --> src/main.rs:4:22
Dec 04 23:29:22.947 INFO [stderr]   |
Dec 04 23:29:22.947 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 04 23:29:22.947 INFO [stderr]   |                      ^^^^^^^^^^
Dec 04 23:29:22.947 INFO [stderr]   |
Dec 04 23:29:22.947 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:29:22.947 INFO [stderr] 
Dec 04 23:29:23.060 INFO [stderr] warning: unused variable: `prefix`
Dec 04 23:29:23.060 INFO [stderr]   --> src/main.rs:62:31
Dec 04 23:29:23.060 INFO [stderr]    |
Dec 04 23:29:23.060 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 04 23:29:23.060 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 04 23:29:23.060 INFO [stderr]    |
Dec 04 23:29:23.060 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:29:23.060 INFO [stderr] 
Dec 04 23:29:23.060 INFO [stderr] warning: unused variable: `prefix`
Dec 04 23:29:23.060 INFO [stderr]   --> src/main.rs:89:30
Dec 04 23:29:23.060 INFO [stderr]    |
Dec 04 23:29:23.060 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 04 23:29:23.060 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 04 23:29:23.060 INFO [stderr] 
Dec 04 23:29:23.083 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 04 23:29:23.083 INFO [stderr]   |
Dec 04 23:29:23.083 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 23:29:23.083 INFO [stderr] 
Dec 04 23:29:23.327 INFO [stderr] warning: unused import: `SubCommand`
Dec 04 23:29:23.327 INFO [stderr]  --> src/main.rs:4:22
Dec 04 23:29:23.327 INFO [stderr]   |
Dec 04 23:29:23.327 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 04 23:29:23.327 INFO [stderr]   |                      ^^^^^^^^^^
Dec 04 23:29:23.327 INFO [stderr]   |
Dec 04 23:29:23.327 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:29:23.327 INFO [stderr] 
Dec 04 23:29:23.506 INFO [stderr] warning: unused variable: `prefix`
Dec 04 23:29:23.506 INFO [stderr]   --> src/main.rs:62:31
Dec 04 23:29:23.506 INFO [stderr]    |
Dec 04 23:29:23.506 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 04 23:29:23.506 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 04 23:29:23.507 INFO [stderr]    |
Dec 04 23:29:23.507 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:29:23.507 INFO [stderr] 
Dec 04 23:29:23.507 INFO [stderr] warning: unused variable: `prefix`
Dec 04 23:29:23.507 INFO [stderr]   --> src/main.rs:89:30
Dec 04 23:29:23.507 INFO [stderr]    |
Dec 04 23:29:23.507 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 04 23:29:23.507 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 04 23:29:23.507 INFO [stderr] 
Dec 04 23:29:23.532 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 04 23:29:23.532 INFO [stderr]   |
Dec 04 23:29:23.532 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 23:29:23.532 INFO [stderr] 
Dec 04 23:29:23.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.04s
Dec 04 23:29:23.599 INFO [stderr] su: No module specific data is present
Dec 04 23:29:24.433 INFO running `"docker" "inspect" "6953117abc64d1d597ad34c815a9f06cce9b367eac1e3b8857e86b8864e09760"`
Dec 04 23:29:24.803 INFO running `"docker" "rm" "-f" "6953117abc64d1d597ad34c815a9f06cce9b367eac1e3b8857e86b8864e09760"`
Dec 04 23:29:25.139 INFO [stdout] 6953117abc64d1d597ad34c815a9f06cce9b367eac1e3b8857e86b8864e09760