Dec 14 04:40:20.878 INFO testing WenjunHuang/SledMultiThreadTest against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 04:40:20.878 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:40:21.086 INFO [stdout] aae247ef7ff3b4fe83e05adb2afd78c921104c0b39c83229932b820732c64e61
Dec 14 04:40:21.092 INFO running `"docker" "start" "-a" "aae247ef7ff3b4fe83e05adb2afd78c921104c0b39c83229932b820732c64e61"`
Dec 14 04:40:21.734 INFO [stderr] usermod: no changes
Dec 14 04:40:21.853 INFO [stderr]    Compiling crossbeam-utils v0.5.0
Dec 14 04:40:21.854 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 14 04:40:22.554 INFO [stderr]    Compiling crossbeam-epoch v0.6.0
Dec 14 04:40:23.323 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 14 04:40:23.973 INFO [stderr]    Compiling pagetable v0.1.0
Dec 14 04:40:24.361 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 14 04:40:27.075 INFO [stderr]    Compiling rayon v1.0.3
Dec 14 04:40:32.071 INFO [stderr]    Compiling pagecache v0.7.2
Dec 14 04:40:39.705 INFO [stderr]    Compiling sled v0.16.2
Dec 14 04:40:46.150 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 14 04:40:48.002 INFO [stderr] warning: unused import: `SubCommand`
Dec 14 04:40:48.002 INFO [stderr]  --> src/main.rs:4:22
Dec 14 04:40:48.002 INFO [stderr]   |
Dec 14 04:40:48.002 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 14 04:40:48.002 INFO [stderr]   |                      ^^^^^^^^^^
Dec 14 04:40:48.002 INFO [stderr]   |
Dec 14 04:40:48.002 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:40:48.002 INFO [stderr] 
Dec 14 04:40:48.123 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:48.123 INFO [stderr]   --> src/main.rs:62:31
Dec 14 04:40:48.123 INFO [stderr]    |
Dec 14 04:40:48.123 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:48.123 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:48.123 INFO [stderr]    |
Dec 14 04:40:48.123 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:40:48.124 INFO [stderr] 
Dec 14 04:40:48.124 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:48.124 INFO [stderr]   --> src/main.rs:89:30
Dec 14 04:40:48.124 INFO [stderr]    |
Dec 14 04:40:48.124 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:48.124 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:48.124 INFO [stderr] 
Dec 14 04:40:48.124 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 14 04:40:48.124 INFO [stderr]   |
Dec 14 04:40:48.124 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:40:48.124 INFO [stderr] 
Dec 14 04:40:50.406 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.66s
Dec 14 04:40:50.417 INFO [stderr] su: No module specific data is present
Dec 14 04:40:50.676 INFO running `"docker" "inspect" "aae247ef7ff3b4fe83e05adb2afd78c921104c0b39c83229932b820732c64e61"`
Dec 14 04:40:50.752 INFO running `"docker" "rm" "-f" "aae247ef7ff3b4fe83e05adb2afd78c921104c0b39c83229932b820732c64e61"`
Dec 14 04:40:50.822 INFO [stdout] aae247ef7ff3b4fe83e05adb2afd78c921104c0b39c83229932b820732c64e61
Dec 14 04:40:50.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:40:51.034 INFO [stdout] 85ac58067e91824d7233475f1e548bcc5e54438b0f86ad4977749e04b2e683b3
Dec 14 04:40:51.038 INFO running `"docker" "start" "-a" "85ac58067e91824d7233475f1e548bcc5e54438b0f86ad4977749e04b2e683b3"`
Dec 14 04:40:51.491 INFO [stderr] usermod: no changes
Dec 14 04:40:51.537 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 14 04:40:53.348 INFO [stderr] warning: unused import: `SubCommand`
Dec 14 04:40:53.348 INFO [stderr]  --> src/main.rs:4:22
Dec 14 04:40:53.348 INFO [stderr]   |
Dec 14 04:40:53.348 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 14 04:40:53.348 INFO [stderr]   |                      ^^^^^^^^^^
Dec 14 04:40:53.348 INFO [stderr]   |
Dec 14 04:40:53.348 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:40:53.349 INFO [stderr] 
Dec 14 04:40:53.451 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:53.451 INFO [stderr]   --> src/main.rs:62:31
Dec 14 04:40:53.451 INFO [stderr]    |
Dec 14 04:40:53.452 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:53.452 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:53.452 INFO [stderr]    |
Dec 14 04:40:53.452 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:40:53.453 INFO [stderr] 
Dec 14 04:40:53.453 INFO [stderr] warning: unused variable: `prefix`
Dec 14 04:40:53.453 INFO [stderr]   --> src/main.rs:89:30
Dec 14 04:40:53.453 INFO [stderr]    |
Dec 14 04:40:53.454 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 14 04:40:53.454 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 14 04:40:53.454 INFO [stderr] 
Dec 14 04:40:53.478 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 14 04:40:53.478 INFO [stderr]   |
Dec 14 04:40:53.479 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 14 04:40:53.479 INFO [stderr] 
Dec 14 04:40:53.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Dec 14 04:40:53.832 INFO [stderr] su: No module specific data is present
Dec 14 04:40:54.601 INFO running `"docker" "inspect" "85ac58067e91824d7233475f1e548bcc5e54438b0f86ad4977749e04b2e683b3"`
Dec 14 04:40:54.745 INFO running `"docker" "rm" "-f" "85ac58067e91824d7233475f1e548bcc5e54438b0f86ad4977749e04b2e683b3"`
Dec 14 04:40:54.853 INFO [stdout] 85ac58067e91824d7233475f1e548bcc5e54438b0f86ad4977749e04b2e683b3
Dec 14 04:40:54.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 04:40:55.109 INFO [stdout] 4ff12189bb889cc03913db057115ff4ae7462fca3700abcd4cbba3dc3d7a3fad
Dec 14 04:40:55.112 INFO running `"docker" "start" "-a" "4ff12189bb889cc03913db057115ff4ae7462fca3700abcd4cbba3dc3d7a3fad"`
Dec 14 04:40:55.856 INFO [stderr] usermod: no changes
Dec 14 04:40:55.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 14 04:40:55.965 INFO [stderr]      Running /target/debug/deps/SledMultithreadTest-6d80bfccf9cefcce
Dec 14 04:40:55.982 INFO [stdout] 
Dec 14 04:40:55.982 INFO [stdout] running 0 tests
Dec 14 04:40:55.982 INFO [stdout] 
Dec 14 04:40:55.982 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:40:55.982 INFO [stdout] 
Dec 14 04:40:55.985 INFO [stderr] su: No module specific data is present
Dec 14 04:40:56.632 INFO running `"docker" "inspect" "4ff12189bb889cc03913db057115ff4ae7462fca3700abcd4cbba3dc3d7a3fad"`
Dec 14 04:40:56.760 INFO running `"docker" "rm" "-f" "4ff12189bb889cc03913db057115ff4ae7462fca3700abcd4cbba3dc3d7a3fad"`
Dec 14 04:40:56.847 INFO [stdout] 4ff12189bb889cc03913db057115ff4ae7462fca3700abcd4cbba3dc3d7a3fad