Dec 06 09:18:39.711 INFO testing TechnoCrunch/Rust-Multithreading against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 09:18:39.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 09:18:39.895 INFO [stdout] c3b45f3a0cf8bcf2a39a67ddaa13b3deaa0d729f434f3f6372f9991b227d5738
Dec 06 09:18:39.897 INFO running `"docker" "start" "-a" "c3b45f3a0cf8bcf2a39a67ddaa13b3deaa0d729f434f3f6372f9991b227d5738"`
Dec 06 09:18:40.355 INFO [stderr] usermod: no changes
Dec 06 09:18:40.393 INFO [stderr]    Compiling multithreads v0.1.0 (/source)
Dec 06 09:18:40.729 INFO [stderr] warning: unused import: `std::time`
Dec 06 09:18:40.729 INFO [stderr]  --> src/main.rs:6:5
Dec 06 09:18:40.729 INFO [stderr]   |
Dec 06 09:18:40.729 INFO [stderr] 6 | use std::time;
Dec 06 09:18:40.729 INFO [stderr]   |     ^^^^^^^^^
Dec 06 09:18:40.729 INFO [stderr]   |
Dec 06 09:18:40.729 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 09:18:40.729 INFO [stderr] 
Dec 06 09:18:40.729 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 06 09:18:40.729 INFO [stderr]  --> src/main.rs:8:17
Dec 06 09:18:40.729 INFO [stderr]   |
Dec 06 09:18:40.729 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 06 09:18:40.729 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 06 09:18:40.729 INFO [stderr] 
Dec 06 09:18:40.789 INFO [stderr] warning: unused variable: `item`
Dec 06 09:18:40.789 INFO [stderr]   --> src/main.rs:38:17
Dec 06 09:18:40.789 INFO [stderr]    |
Dec 06 09:18:40.790 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 06 09:18:40.790 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 06 09:18:40.790 INFO [stderr]    |
Dec 06 09:18:40.790 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:18:40.790 INFO [stderr] 
Dec 06 09:18:41.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 06 09:18:41.258 INFO [stderr] su: No module specific data is present
Dec 06 09:18:41.545 INFO running `"docker" "inspect" "c3b45f3a0cf8bcf2a39a67ddaa13b3deaa0d729f434f3f6372f9991b227d5738"`
Dec 06 09:18:41.619 INFO running `"docker" "rm" "-f" "c3b45f3a0cf8bcf2a39a67ddaa13b3deaa0d729f434f3f6372f9991b227d5738"`
Dec 06 09:18:41.694 INFO [stdout] c3b45f3a0cf8bcf2a39a67ddaa13b3deaa0d729f434f3f6372f9991b227d5738
Dec 06 09:18:41.697 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 09:18:41.862 INFO [stdout] aed2c8b75a71b2b14396524f72ce758a752c62de9ed00adb89d15246c72c2f18
Dec 06 09:18:41.864 INFO running `"docker" "start" "-a" "aed2c8b75a71b2b14396524f72ce758a752c62de9ed00adb89d15246c72c2f18"`
Dec 06 09:18:42.266 INFO [stderr] usermod: no changes
Dec 06 09:18:42.292 INFO [stderr]    Compiling multithreads v0.1.0 (/source)
Dec 06 09:18:42.641 INFO [stderr] warning: unused import: `std::time`
Dec 06 09:18:42.641 INFO [stderr]  --> src/main.rs:6:5
Dec 06 09:18:42.642 INFO [stderr]   |
Dec 06 09:18:42.642 INFO [stderr] 6 | use std::time;
Dec 06 09:18:42.642 INFO [stderr]   |     ^^^^^^^^^
Dec 06 09:18:42.642 INFO [stderr]   |
Dec 06 09:18:42.642 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 09:18:42.642 INFO [stderr] 
Dec 06 09:18:42.642 INFO [stderr] warning: unused imports: `Cell`, `RefCell`
Dec 06 09:18:42.642 INFO [stderr]  --> src/main.rs:8:17
Dec 06 09:18:42.642 INFO [stderr]   |
Dec 06 09:18:42.642 INFO [stderr] 8 | use std::cell::{Cell, RefCell};
Dec 06 09:18:42.642 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 06 09:18:42.642 INFO [stderr] 
Dec 06 09:18:42.703 INFO [stderr] warning: unused variable: `item`
Dec 06 09:18:42.703 INFO [stderr]   --> src/main.rs:38:17
Dec 06 09:18:42.703 INFO [stderr]    |
Dec 06 09:18:42.703 INFO [stderr] 38 |             let item = thread_items.lock().unwrap();
Dec 06 09:18:42.703 INFO [stderr]    |                 ^^^^ help: consider using `_item` instead
Dec 06 09:18:42.703 INFO [stderr]    |
Dec 06 09:18:42.703 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:18:42.703 INFO [stderr] 
Dec 06 09:18:42.982 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 06 09:18:42.985 INFO [stderr] su: No module specific data is present
Dec 06 09:18:44.150 INFO running `"docker" "inspect" "aed2c8b75a71b2b14396524f72ce758a752c62de9ed00adb89d15246c72c2f18"`
Dec 06 09:18:44.410 INFO running `"docker" "rm" "-f" "aed2c8b75a71b2b14396524f72ce758a752c62de9ed00adb89d15246c72c2f18"`
Dec 06 09:18:44.692 INFO [stdout] aed2c8b75a71b2b14396524f72ce758a752c62de9ed00adb89d15246c72c2f18
Dec 06 09:18:44.694 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 09:18:45.154 INFO [stdout] d560f8d5c0a1c2cd349a07ac48cd0811b06556becb4384d85399f93d1a50d8b6
Dec 06 09:18:45.157 INFO running `"docker" "start" "-a" "d560f8d5c0a1c2cd349a07ac48cd0811b06556becb4384d85399f93d1a50d8b6"`
Dec 06 09:18:46.820 INFO [stderr] usermod: no changes
Dec 06 09:18:46.914 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 06 09:18:46.916 INFO [stderr]      Running /target/debug/deps/multithreads-2ebebf7f8d199389
Dec 06 09:18:46.919 INFO [stdout] 
Dec 06 09:18:46.919 INFO [stdout] running 0 tests
Dec 06 09:18:46.919 INFO [stdout] 
Dec 06 09:18:46.919 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:18:46.919 INFO [stdout] 
Dec 06 09:18:46.920 INFO [stderr] su: No module specific data is present
Dec 06 09:18:47.775 INFO running `"docker" "inspect" "d560f8d5c0a1c2cd349a07ac48cd0811b06556becb4384d85399f93d1a50d8b6"`
Dec 06 09:18:47.979 INFO running `"docker" "rm" "-f" "d560f8d5c0a1c2cd349a07ac48cd0811b06556becb4384d85399f93d1a50d8b6"`
Dec 06 09:18:48.244 INFO [stdout] d560f8d5c0a1c2cd349a07ac48cd0811b06556becb4384d85399f93d1a50d8b6