Nov 30 07:57:29.691 INFO checking WenjunHuang/SledMultiThreadTest against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 07:57:29.691 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 07:57:30.096 INFO [stdout] 8d28a3c66b1733caa5b62a4f4aa1c0cc30a31e273f5298b1381bfd8e89d6d877
Nov 30 07:57:30.104 INFO running `"docker" "start" "-a" "8d28a3c66b1733caa5b62a4f4aa1c0cc30a31e273f5298b1381bfd8e89d6d877"`
Nov 30 07:57:31.272 INFO [stderr] usermod: no changes
Nov 30 07:57:31.456 INFO [stderr]     Checking crossbeam-utils v0.5.0
Nov 30 07:57:31.464 INFO [stderr]     Checking coco v0.2.1
Nov 30 07:57:31.464 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 30 07:57:32.806 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Nov 30 07:57:32.828 INFO [stderr]     Checking historian v3.0.4
Nov 30 07:57:32.836 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 30 07:57:34.650 INFO [stderr]     Checking pagetable v0.1.0
Nov 30 07:57:34.672 INFO [stderr]     Checking rayon-core v1.4.1
Nov 30 07:57:36.052 INFO [stderr]     Checking rayon v1.0.3
Nov 30 07:57:40.432 INFO [stderr]     Checking pagecache v0.7.2
Nov 30 07:57:45.246 INFO [stderr]     Checking sled v0.16.2
Nov 30 07:57:49.540 INFO [stderr]     Checking SledMultithreadTest v0.1.0 (/source)
Nov 30 07:57:52.460 INFO [stderr] warning: unused import: `SubCommand`
Nov 30 07:57:52.460 INFO [stderr]  --> src/main.rs:4:22
Nov 30 07:57:52.460 INFO [stderr]   |
Nov 30 07:57:52.460 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 30 07:57:52.460 INFO [stderr]   |                      ^^^^^^^^^^
Nov 30 07:57:52.460 INFO [stderr]   |
Nov 30 07:57:52.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:57:52.460 INFO [stderr] 
Nov 30 07:57:52.652 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:52.652 INFO [stderr]   --> src/main.rs:62:31
Nov 30 07:57:52.652 INFO [stderr]    |
Nov 30 07:57:52.652 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:52.652 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:52.652 INFO [stderr]    |
Nov 30 07:57:52.652 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:57:52.652 INFO [stderr] 
Nov 30 07:57:52.652 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:52.652 INFO [stderr]   --> src/main.rs:89:30
Nov 30 07:57:52.652 INFO [stderr]    |
Nov 30 07:57:52.652 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:52.652 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:52.652 INFO [stderr] 
Nov 30 07:57:52.684 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 30 07:57:52.684 INFO [stderr]   |
Nov 30 07:57:52.684 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 07:57:52.684 INFO [stderr] 
Nov 30 07:57:53.154 INFO [stderr] warning: unused import: `SubCommand`
Nov 30 07:57:53.154 INFO [stderr]  --> src/main.rs:4:22
Nov 30 07:57:53.154 INFO [stderr]   |
Nov 30 07:57:53.154 INFO [stderr] 4 | use clap::{App, Arg, SubCommand};
Nov 30 07:57:53.154 INFO [stderr]   |                      ^^^^^^^^^^
Nov 30 07:57:53.154 INFO [stderr]   |
Nov 30 07:57:53.154 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:57:53.154 INFO [stderr] 
Nov 30 07:57:53.255 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.255 INFO [stderr]   --> src/main.rs:62:31
Nov 30 07:57:53.255 INFO [stderr]    |
Nov 30 07:57:53.255 INFO [stderr] 62 | fn check_write(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.255 INFO [stderr]    |                               ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.255 INFO [stderr]    |
Nov 30 07:57:53.255 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:57:53.255 INFO [stderr] 
Nov 30 07:57:53.256 INFO [stderr] warning: unused variable: `prefix`
Nov 30 07:57:53.256 INFO [stderr]   --> src/main.rs:89:30
Nov 30 07:57:53.256 INFO [stderr]    |
Nov 30 07:57:53.256 INFO [stderr] 89 | fn check_read(db: Arc<Tree>, prefix: i32) {
Nov 30 07:57:53.256 INFO [stderr]    |                              ^^^^^^ help: consider using `_prefix` instead
Nov 30 07:57:53.256 INFO [stderr] 
Nov 30 07:57:53.283 INFO [stderr] warning: crate `SledMultithreadTest` should have a snake case name such as `sled_multithread_test`
Nov 30 07:57:53.283 INFO [stderr]   |
Nov 30 07:57:53.283 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 07:57:53.283 INFO [stderr] 
Nov 30 07:57:53.329 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.02s
Nov 30 07:57:53.336 INFO [stderr] su: No module specific data is present
Nov 30 07:57:54.550 INFO running `"docker" "inspect" "8d28a3c66b1733caa5b62a4f4aa1c0cc30a31e273f5298b1381bfd8e89d6d877"`
Nov 30 07:57:54.854 INFO running `"docker" "rm" "-f" "8d28a3c66b1733caa5b62a4f4aa1c0cc30a31e273f5298b1381bfd8e89d6d877"`
Nov 30 07:57:55.216 INFO [stdout] 8d28a3c66b1733caa5b62a4f4aa1c0cc30a31e273f5298b1381bfd8e89d6d877