Dec 06 08:33:54.400 INFO testing WenjunHuang/SledMultiThreadTest against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 08:33:54.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:33:54.611 INFO [stdout] f6f8de58eb370316435c828d2e8b4bc8251321d710bce93eb31a2651f9d7aad8
Dec 06 08:33:54.613 INFO running `"docker" "start" "-a" "f6f8de58eb370316435c828d2e8b4bc8251321d710bce93eb31a2651f9d7aad8"`
Dec 06 08:33:55.014 INFO [stderr] usermod: no changes
Dec 06 08:33:55.136 INFO [stderr]    Compiling crossbeam-utils v0.5.0
Dec 06 08:33:55.138 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 06 08:33:55.660 INFO [stderr]    Compiling crossbeam-epoch v0.6.0
Dec 06 08:33:56.110 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 06 08:33:56.872 INFO [stderr]    Compiling pagetable v0.1.0
Dec 06 08:33:57.120 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 06 08:33:58.923 INFO [stderr]    Compiling rayon v1.0.3
Dec 06 08:34:03.396 INFO [stderr]    Compiling pagecache v0.7.2
Dec 06 08:34:12.049 INFO [stderr]    Compiling sled v0.16.2
Dec 06 08:34:18.840 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 06 08:34:20.559 INFO [stderr] warning: unused import: `SubCommand`
Dec 06 08:34:20.560 INFO [stderr]  --> src/main.rs:4:22
Dec 06 08:34:20.560 INFO [stderr]   |
Dec 06 08:34:20.560 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 06 08:34:20.560 INFO [stderr]   |                      ^^^^^^^^^^
Dec 06 08:34:20.560 INFO [stderr]   |
Dec 06 08:34:20.560 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:34:20.560 INFO [stderr] 
Dec 06 08:34:20.648 INFO [stderr] warning: unused variable: `prefix`
Dec 06 08:34:20.648 INFO [stderr]   --> src/main.rs:62:31
Dec 06 08:34:20.648 INFO [stderr]    |
Dec 06 08:34:20.648 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 06 08:34:20.648 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 06 08:34:20.648 INFO [stderr]    |
Dec 06 08:34:20.648 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:34:20.648 INFO [stderr] 
Dec 06 08:34:20.648 INFO [stderr] warning: unused variable: `prefix`
Dec 06 08:34:20.648 INFO [stderr]   --> src/main.rs:89:30
Dec 06 08:34:20.648 INFO [stderr]    |
Dec 06 08:34:20.648 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 06 08:34:20.648 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 06 08:34:20.648 INFO [stderr] 
Dec 06 08:34:20.666 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 06 08:34:20.666 INFO [stderr]   |
Dec 06 08:34:20.666 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 06 08:34:20.666 INFO [stderr] 
Dec 06 08:34:22.558 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.53s
Dec 06 08:34:22.565 INFO [stderr] su: No module specific data is present
Dec 06 08:34:22.836 INFO running `"docker" "inspect" "f6f8de58eb370316435c828d2e8b4bc8251321d710bce93eb31a2651f9d7aad8"`
Dec 06 08:34:23.092 INFO running `"docker" "rm" "-f" "f6f8de58eb370316435c828d2e8b4bc8251321d710bce93eb31a2651f9d7aad8"`
Dec 06 08:34:23.180 INFO [stdout] f6f8de58eb370316435c828d2e8b4bc8251321d710bce93eb31a2651f9d7aad8
Dec 06 08:34:23.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:34:23.381 INFO [stdout] 2381e384a183dc172a8eae027dcafa3bdd72f824f5080822421115c02b169f9d
Dec 06 08:34:23.382 INFO running `"docker" "start" "-a" "2381e384a183dc172a8eae027dcafa3bdd72f824f5080822421115c02b169f9d"`
Dec 06 08:34:23.745 INFO [stderr] usermod: no changes
Dec 06 08:34:23.845 INFO [stderr]    Compiling SledMultithreadTest v0.1.0 (/source)
Dec 06 08:34:25.867 INFO [stderr] warning: unused import: `SubCommand`
Dec 06 08:34:25.867 INFO [stderr]  --> src/main.rs:4:22
Dec 06 08:34:25.867 INFO [stderr]   |
Dec 06 08:34:25.867 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Dec 06 08:34:25.867 INFO [stderr]   |                      ^^^^^^^^^^
Dec 06 08:34:25.867 INFO [stderr]   |
Dec 06 08:34:25.867 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:34:25.867 INFO [stderr] 
Dec 06 08:34:25.963 INFO [stderr] warning: unused variable: `prefix`
Dec 06 08:34:25.963 INFO [stderr]   --> src/main.rs:62:31
Dec 06 08:34:25.963 INFO [stderr]    |
Dec 06 08:34:25.964 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Dec 06 08:34:25.964 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Dec 06 08:34:25.964 INFO [stderr]    |
Dec 06 08:34:25.965 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:34:25.965 INFO [stderr] 
Dec 06 08:34:25.965 INFO [stderr] warning: unused variable: `prefix`
Dec 06 08:34:25.966 INFO [stderr]   --> src/main.rs:89:30
Dec 06 08:34:25.966 INFO [stderr]    |
Dec 06 08:34:25.966 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Dec 06 08:34:25.967 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Dec 06 08:34:25.967 INFO [stderr] 
Dec 06 08:34:25.994 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Dec 06 08:34:25.994 INFO [stderr]   |
Dec 06 08:34:25.995 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 06 08:34:25.995 INFO [stderr] 
Dec 06 08:34:26.406 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 06 08:34:26.414 INFO [stderr] su: No module specific data is present
Dec 06 08:34:26.851 INFO running `"docker" "inspect" "2381e384a183dc172a8eae027dcafa3bdd72f824f5080822421115c02b169f9d"`
Dec 06 08:34:26.924 INFO running `"docker" "rm" "-f" "2381e384a183dc172a8eae027dcafa3bdd72f824f5080822421115c02b169f9d"`
Dec 06 08:34:27.021 INFO [stdout] 2381e384a183dc172a8eae027dcafa3bdd72f824f5080822421115c02b169f9d
Dec 06 08:34:27.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:34:27.169 INFO [stdout] e33fae50dbd84c091d45e217f4fb2db21ab89407b07188064c03c6ebb3383e0c
Dec 06 08:34:27.174 INFO running `"docker" "start" "-a" "e33fae50dbd84c091d45e217f4fb2db21ab89407b07188064c03c6ebb3383e0c"`
Dec 06 08:34:27.682 INFO [stderr] usermod: no changes
Dec 06 08:34:27.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 06 08:34:27.781 INFO [stderr]      Running /target/debug/deps/SledMultithreadTest-5823b26f3693cc2c
Dec 06 08:34:27.782 INFO [stdout] 
Dec 06 08:34:27.782 INFO [stdout] running 0 tests
Dec 06 08:34:27.782 INFO [stdout] 
Dec 06 08:34:27.782 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:34:27.782 INFO [stdout] 
Dec 06 08:34:27.784 INFO [stderr] su: No module specific data is present
Dec 06 08:34:28.122 INFO running `"docker" "inspect" "e33fae50dbd84c091d45e217f4fb2db21ab89407b07188064c03c6ebb3383e0c"`
Dec 06 08:34:28.287 INFO running `"docker" "rm" "-f" "e33fae50dbd84c091d45e217f4fb2db21ab89407b07188064c03c6ebb3383e0c"`
Dec 06 08:34:28.370 INFO [stdout] e33fae50dbd84c091d45e217f4fb2db21ab89407b07188064c03c6ebb3383e0c