Dec 14 04:40:24.509 INFO testing WenjunHuang/SledMultiThreadTest against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:40:24.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 04:40:24.758 INFO [stdout] 523751e93096de6f1445003160933f801b660244bdb4a2111f0f32314122f72f
Dec 14 04:40:24.763 INFO running `"docker" "start" "-a" "523751e93096de6f1445003160933f801b660244bdb4a2111f0f32314122f72f"`
Dec 14 04:40:25.617 INFO [stderr] usermod: no changes
Dec 14 04:40:25.863 INFO [stderr]    Compiling crossbeam-utils v0.5.0
Dec 14 04:40:25.898 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 14 04:40:27.227 INFO [stderr]    Compiling crossbeam-epoch v0.6.0
Dec 14 04:40:27.903 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 14 04:40:28.947 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 14 04:40:29.207 INFO [stderr]    Compiling pagetable v0.1.0
Dec 14 04:40:32.204 INFO [stderr]    Compiling rayon v1.0.3
Dec 14 04:40:36.333 INFO [stderr]    Compiling pagecache v0.7.2
Dec 14 04:40:43.702 INFO [stderr]    Compiling sled v0.16.2
Dec 14 04:40:50.480 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 14 04:40:52.271 INFO [stderr] warning: unused import: `SubCommand`
Dec 14 04:40:52.271 INFO [stderr]  --> src/main.rs:4:22
Dec 14 04:40:52.271 INFO [stderr]   |
Dec 14 04:40:52.271 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 14 04:40:52.271 INFO [stderr]   |                      ^^^^^^^^^^
Dec 14 04:40:52.271 INFO [stderr]   |
Dec 14 04:40:52.271 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:40:52.271 INFO [stderr] 
Dec 14 04:40:52.331 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:52.331 INFO [stderr]   --> src/main.rs:62:31
Dec 14 04:40:52.331 INFO [stderr]    |
Dec 14 04:40:52.331 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:52.331 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:52.331 INFO [stderr]    |
Dec 14 04:40:52.331 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:40:52.331 INFO [stderr] 
Dec 14 04:40:52.331 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:52.331 INFO [stderr]   --> src/main.rs:89:30
Dec 14 04:40:52.331 INFO [stderr]    |
Dec 14 04:40:52.331 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:52.331 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:52.331 INFO [stderr] 
Dec 14 04:40:52.357 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 14 04:40:52.357 INFO [stderr]   |
Dec 14 04:40:52.357 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:40:52.357 INFO [stderr] 
Dec 14 04:40:54.702 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
Dec 14 04:40:54.708 INFO [stderr] su: No module specific data is present
Dec 14 04:40:55.060 INFO running `"docker" "inspect" "523751e93096de6f1445003160933f801b660244bdb4a2111f0f32314122f72f"`
Dec 14 04:40:55.170 INFO running `"docker" "rm" "-f" "523751e93096de6f1445003160933f801b660244bdb4a2111f0f32314122f72f"`
Dec 14 04:40:55.270 INFO [stdout] 523751e93096de6f1445003160933f801b660244bdb4a2111f0f32314122f72f
Dec 14 04:40:55.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 04:40:55.483 INFO [stdout] 57be77b0071bf567817612b0a708204add364b50c8b463a9d68756dc40c48cbc
Dec 14 04:40:55.488 INFO running `"docker" "start" "-a" "57be77b0071bf567817612b0a708204add364b50c8b463a9d68756dc40c48cbc"`
Dec 14 04:40:56.237 INFO [stderr] usermod: no changes
Dec 14 04:40:56.326 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 14 04:40:58.413 INFO [stderr] warning: unused import: `SubCommand`
Dec 14 04:40:58.413 INFO [stderr]  --> src/main.rs:4:22
Dec 14 04:40:58.413 INFO [stderr]   |
Dec 14 04:40:58.413 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 14 04:40:58.413 INFO [stderr]   |                      ^^^^^^^^^^
Dec 14 04:40:58.413 INFO [stderr]   |
Dec 14 04:40:58.413 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:40:58.413 INFO [stderr] 
Dec 14 04:40:58.498 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:58.498 INFO [stderr]   --> src/main.rs:62:31
Dec 14 04:40:58.498 INFO [stderr]    |
Dec 14 04:40:58.498 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:58.498 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:58.498 INFO [stderr]    |
Dec 14 04:40:58.498 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:40:58.498 INFO [stderr] 
Dec 14 04:40:58.498 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:58.498 INFO [stderr]   --> src/main.rs:89:30
Dec 14 04:40:58.498 INFO [stderr]    |
Dec 14 04:40:58.498 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:58.498 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:58.498 INFO [stderr] 
Dec 14 04:40:58.522 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 14 04:40:58.522 INFO [stderr]   |
Dec 14 04:40:58.522 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:40:58.522 INFO [stderr] 
Dec 14 04:40:58.795 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Dec 14 04:40:58.805 INFO [stderr] su: No module specific data is present
Dec 14 04:40:59.410 INFO running `"docker" "inspect" "57be77b0071bf567817612b0a708204add364b50c8b463a9d68756dc40c48cbc"`
Dec 14 04:40:59.499 INFO running `"docker" "rm" "-f" "57be77b0071bf567817612b0a708204add364b50c8b463a9d68756dc40c48cbc"`
Dec 14 04:40:59.631 INFO [stdout] 57be77b0071bf567817612b0a708204add364b50c8b463a9d68756dc40c48cbc
Dec 14 04:40:59.635 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 04:40:59.900 INFO [stdout] cfa13c8e0eb9ce21a15fc576e3d3f5b4dcf6f8a6702df73319b7412b8ef0a17f
Dec 14 04:40:59.902 INFO running `"docker" "start" "-a" "cfa13c8e0eb9ce21a15fc576e3d3f5b4dcf6f8a6702df73319b7412b8ef0a17f"`
Dec 14 04:41:00.498 INFO [stderr] usermod: no changes
Dec 14 04:41:00.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 04:41:00.591 INFO [stderr]      Running /target/debug/deps/SledMultithreadTest-6736017625a3be29
Dec 14 04:41:00.594 INFO [stdout] 
Dec 14 04:41:00.594 INFO [stdout] running 0 tests
Dec 14 04:41:00.594 INFO [stdout] 
Dec 14 04:41:00.594 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:41:00.594 INFO [stdout] 
Dec 14 04:41:00.594 INFO [stderr] su: No module specific data is present
Dec 14 04:41:00.930 INFO running `"docker" "inspect" "cfa13c8e0eb9ce21a15fc576e3d3f5b4dcf6f8a6702df73319b7412b8ef0a17f"`
Dec 14 04:41:01.032 INFO running `"docker" "rm" "-f" "cfa13c8e0eb9ce21a15fc576e3d3f5b4dcf6f8a6702df73319b7412b8ef0a17f"`
Dec 14 04:41:01.132 INFO [stdout] cfa13c8e0eb9ce21a15fc576e3d3f5b4dcf6f8a6702df73319b7412b8ef0a17f