Nov 28 10:26:08.014 INFO checking WenjunHuang/SledMultiThreadTest against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 10:26:08.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 10:26:08.393 INFO [stdout] 58dea880da78d34db315f1c5ac02b12764252729ea65e7583b5d993ef6e4517a
Nov 28 10:26:08.393 INFO running `"docker" "start" "-a" "58dea880da78d34db315f1c5ac02b12764252729ea65e7583b5d993ef6e4517a"`
Nov 28 10:26:09.584 INFO [stderr] usermod: no changes
Nov 28 10:26:09.920 INFO [stderr]     Checking crossbeam-utils v0.5.0
Nov 28 10:26:09.921 INFO [stderr]     Checking coco v0.2.1
Nov 28 10:26:09.923 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 28 10:26:11.141 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Nov 28 10:26:11.654 INFO [stderr]     Checking historian v3.0.4
Nov 28 10:26:11.837 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 28 10:26:13.328 INFO [stderr]     Checking pagetable v0.1.0
Nov 28 10:26:13.921 INFO [stderr]     Checking rayon-core v1.4.1
Nov 28 10:26:15.465 INFO [stderr]     Checking rayon v1.0.3
Nov 28 10:26:20.437 INFO [stderr]     Checking pagecache v0.7.2
Nov 28 10:26:25.315 INFO [stderr]     Checking sled v0.16.2
Nov 28 10:26:29.412 INFO [stderr]     Checking SledMultithreadTest v0.1.0 (/source)
Nov 28 10:26:31.936 INFO [stderr] warning: unused import: `SubCommand`
Nov 28 10:26:31.936 INFO [stderr]  --> src/main.rs:4:22
Nov 28 10:26:31.936 INFO [stderr]   |
Nov 28 10:26:31.936 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 28 10:26:31.936 INFO [stderr]   |                      ^^^^^^^^^^
Nov 28 10:26:31.936 INFO [stderr]   |
Nov 28 10:26:31.936 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 10:26:31.936 INFO [stderr] 
Nov 28 10:26:32.156 INFO [stderr] warning: unused variable: `prefix`
Nov 28 10:26:32.156 INFO [stderr]   --> src/main.rs:62:31
Nov 28 10:26:32.156 INFO [stderr]    |
Nov 28 10:26:32.156 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 28 10:26:32.156 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 28 10:26:32.156 INFO [stderr]    |
Nov 28 10:26:32.156 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:26:32.156 INFO [stderr] 
Nov 28 10:26:32.156 INFO [stderr] warning: unused variable: `prefix`
Nov 28 10:26:32.156 INFO [stderr]   --> src/main.rs:89:30
Nov 28 10:26:32.156 INFO [stderr]    |
Nov 28 10:26:32.156 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 28 10:26:32.156 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 28 10:26:32.156 INFO [stderr] 
Nov 28 10:26:32.206 INFO [stderr] warning: unused import: `SubCommand`
Nov 28 10:26:32.206 INFO [stderr]  --> src/main.rs:4:22
Nov 28 10:26:32.206 INFO [stderr]   |
Nov 28 10:26:32.206 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 28 10:26:32.206 INFO [stderr]   |                      ^^^^^^^^^^
Nov 28 10:26:32.206 INFO [stderr]   |
Nov 28 10:26:32.206 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 10:26:32.206 INFO [stderr] 
Nov 28 10:26:32.212 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 28 10:26:32.212 INFO [stderr]   |
Nov 28 10:26:32.212 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 10:26:32.212 INFO [stderr] 
Nov 28 10:26:32.308 INFO [stderr] warning: unused variable: `prefix`
Nov 28 10:26:32.308 INFO [stderr]   --> src/main.rs:62:31
Nov 28 10:26:32.308 INFO [stderr]    |
Nov 28 10:26:32.308 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 28 10:26:32.308 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 28 10:26:32.308 INFO [stderr]    |
Nov 28 10:26:32.308 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:26:32.308 INFO [stderr] 
Nov 28 10:26:32.308 INFO [stderr] warning: unused variable: `prefix`
Nov 28 10:26:32.308 INFO [stderr]   --> src/main.rs:89:30
Nov 28 10:26:32.308 INFO [stderr]    |
Nov 28 10:26:32.308 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 28 10:26:32.308 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 28 10:26:32.308 INFO [stderr] 
Nov 28 10:26:32.341 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 28 10:26:32.341 INFO [stderr]   |
Nov 28 10:26:32.341 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 10:26:32.341 INFO [stderr] 
Nov 28 10:26:32.374 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.77s
Nov 28 10:26:32.381 INFO [stderr] su: No module specific data is present
Nov 28 10:26:32.818 INFO running `"docker" "inspect" "58dea880da78d34db315f1c5ac02b12764252729ea65e7583b5d993ef6e4517a"`
Nov 28 10:26:33.166 INFO running `"docker" "rm" "-f" "58dea880da78d34db315f1c5ac02b12764252729ea65e7583b5d993ef6e4517a"`
Nov 28 10:26:33.466 INFO [stdout] 58dea880da78d34db315f1c5ac02b12764252729ea65e7583b5d993ef6e4517a