Dec 15 20:40:58.726 INFO testing btree-0.1.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 15 20:40:58.727 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 20:40:59.026 INFO [stdout] a996cd9d72776b6e458335845206435e5d1cb6a485e5ecd751aab8c5ee55524a Dec 15 20:40:59.028 INFO running `"docker" "start" "-a" "a996cd9d72776b6e458335845206435e5d1cb6a485e5ecd751aab8c5ee55524a"` Dec 15 20:40:59.569 INFO [stderr] usermod: no changes Dec 15 20:40:59.591 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:40:59.595 INFO [stderr] Compiling raw_serde_derive v0.1.2 Dec 15 20:41:01.424 INFO [stderr] Compiling raw_serde v0.1.4 Dec 15 20:41:08.792 INFO [stderr] Compiling btree v0.1.0 (/source) Dec 15 20:41:10.419 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.83s Dec 15 20:41:10.427 INFO [stderr] su: No module specific data is present Dec 15 20:41:10.906 INFO running `"docker" "inspect" "a996cd9d72776b6e458335845206435e5d1cb6a485e5ecd751aab8c5ee55524a"` Dec 15 20:41:11.079 INFO running `"docker" "rm" "-f" "a996cd9d72776b6e458335845206435e5d1cb6a485e5ecd751aab8c5ee55524a"` Dec 15 20:41:11.214 INFO [stdout] a996cd9d72776b6e458335845206435e5d1cb6a485e5ecd751aab8c5ee55524a Dec 15 20:41:11.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 20:41:11.547 INFO [stdout] 9e5b1d9388b606c55db8ddacc591aeb7434040bbb6b0de07ebd6f67bf6c97722 Dec 15 20:41:11.555 INFO running `"docker" "start" "-a" "9e5b1d9388b606c55db8ddacc591aeb7434040bbb6b0de07ebd6f67bf6c97722"` Dec 15 20:41:12.179 INFO [stderr] usermod: no changes Dec 15 20:41:12.223 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:41:12.244 INFO [stderr] Compiling btree v0.1.0 (/source) Dec 15 20:41:13.359 INFO [stderr] warning: unused variable: `x` Dec 15 20:41:13.359 INFO [stderr] --> src/lib.rs:26:13 Dec 15 20:41:13.359 INFO [stderr] | Dec 15 20:41:13.359 INFO [stderr] 26 | let x = t.search(&i.to_string()).unwrap().unwrap(); Dec 15 20:41:13.359 INFO [stderr] | ^ help: consider using `_x` instead Dec 15 20:41:13.359 INFO [stderr] | Dec 15 20:41:13.359 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 15 20:41:13.359 INFO [stderr] Dec 15 20:41:17.223 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.02s Dec 15 20:41:17.227 INFO [stderr] su: No module specific data is present Dec 15 20:41:17.845 INFO running `"docker" "inspect" "9e5b1d9388b606c55db8ddacc591aeb7434040bbb6b0de07ebd6f67bf6c97722"` Dec 15 20:41:18.025 INFO running `"docker" "rm" "-f" "9e5b1d9388b606c55db8ddacc591aeb7434040bbb6b0de07ebd6f67bf6c97722"` Dec 15 20:41:18.279 INFO [stdout] 9e5b1d9388b606c55db8ddacc591aeb7434040bbb6b0de07ebd6f67bf6c97722 Dec 15 20:41:18.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 15 20:41:18.596 INFO [stdout] 3377ba6af38e51b9a5aa1438cab23bd68d556b5da9a12cf7ded3b1113edbc3c9 Dec 15 20:41:18.601 INFO running `"docker" "start" "-a" "3377ba6af38e51b9a5aa1438cab23bd68d556b5da9a12cf7ded3b1113edbc3c9"` Dec 15 20:41:19.448 INFO [stderr] usermod: no changes Dec 15 20:41:19.486 INFO [stderr] warning: `panic` setting is ignored for `test` profile Dec 15 20:41:19.495 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Dec 15 20:41:19.504 INFO [stderr] Running /target/debug/deps/btree-b7692fcdbc8e6178 Dec 15 20:41:19.512 INFO [stdout] Dec 15 20:41:19.512 INFO [stdout] running 1 test Dec 15 20:41:19.602 INFO [stdout] test it_works ... FAILED Dec 15 20:41:19.602 INFO [stdout] Dec 15 20:41:19.602 INFO [stdout] failures: Dec 15 20:41:19.602 INFO [stdout] Dec 15 20:41:19.602 INFO [stdout] ---- it_works stdout ---- Dec 15 20:41:19.602 INFO [stdout] thread 'it_works' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1009:5 Dec 15 20:41:19.602 INFO [stdout] stack backtrace: Dec 15 20:41:19.602 INFO [stdout] 0: 0x5619da7fca73 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h2c40bdfb30f25bdd Dec 15 20:41:19.602 INFO [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 15 20:41:19.602 INFO [stdout] 1: 0x5619da7f7208 - std::sys_common::backtrace::_print::he11ceebc70626ac9 Dec 15 20:41:19.602 INFO [stdout] at src/libstd/sys_common/backtrace.rs:71 Dec 15 20:41:19.602 INFO [stdout] 2: 0x5619da7fb9e2 - std::panicking::default_hook::{{closure}}::h4fde3ffb19c01413 Dec 15 20:41:19.602 INFO [stdout] at src/libstd/sys_common/backtrace.rs:59 Dec 15 20:41:19.602 INFO [stdout] at src/libstd/panicking.rs:210 Dec 15 20:41:19.602 INFO [stdout] 3: 0x5619da7fb6d7 - std::panicking::default_hook::hf0c15a583008ed0d Dec 15 20:41:19.602 INFO [stdout] at src/libstd/panicking.rs:218 Dec 15 20:41:19.602 INFO [stdout] 4: 0x5619da7fc0f0 - std::panicking::rust_panic_with_hook::hc1663f6bc7813185 Dec 15 20:41:19.602 INFO [stdout] at src/libstd/panicking.rs:487 Dec 15 20:41:19.602 INFO [stdout] 5: 0x5619da7fbc71 - std::panicking::continue_panic_fmt::h42bc2d03ddf03b3e Dec 15 20:41:19.602 INFO [stdout] at src/libstd/panicking.rs:394 Dec 15 20:41:19.602 INFO [stdout] 6: 0x5619da7fbb55 - rust_begin_unwind Dec 15 20:41:19.602 INFO [stdout] at src/libstd/panicking.rs:321 Dec 15 20:41:19.602 INFO [stdout] 7: 0x5619da80be7c - core::panicking::panic_fmt::h44df04385fc0c5a6 Dec 15 20:41:19.602 INFO [stdout] at src/libcore/panicking.rs:95 Dec 15 20:41:19.602 INFO [stdout] 8: 0x5619da7a2ea4 - core::result::unwrap_failed::h1e6ef99e121cc50c Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/macros.rs:26 Dec 15 20:41:19.602 INFO [stdout] 9: 0x5619da7a26b3 - core::ops::function::FnOnce::call_once::h2e7b76ff689bb3f0 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/result.rs:808 Dec 15 20:41:19.602 INFO [stdout] at src/lib.rs:10 Dec 15 20:41:19.602 INFO [stdout] at src/lib.rs:9 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/ops/function.rs:238 Dec 15 20:41:19.602 INFO [stdout] 10: 0x5619da7b221e - >::call_box::hac337ba1af72dc2b Dec 15 20:41:19.602 INFO [stdout] at src/libtest/lib.rs:1483 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libcore/ops/function.rs:238 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673 Dec 15 20:41:19.602 INFO [stdout] 11: 0x5619da80a6b9 - __rust_maybe_catch_panic Dec 15 20:41:19.602 INFO [stdout] at src/libpanic_unwind/lib.rs:102 Dec 15 20:41:19.602 INFO [stdout] 12: 0x5619da7cfa27 - test::run_test::run_test_inner::{{closure}}::hfbfe4a58c0ebb01b Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398 Dec 15 20:41:19.602 INFO [stdout] at src/libtest/lib.rs:1438 Dec 15 20:41:19.602 INFO [stdout] 13: 0x5619da7aa934 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd1f0cf202092f8d7 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/sys_common/backtrace.rs:136 Dec 15 20:41:19.602 INFO [stdout] 14: 0x5619da7aaf24 - std::panicking::try::do_call::h5e99f92fbf448cf6 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:479 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:319 Dec 15 20:41:19.602 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:306 Dec 15 20:41:19.602 INFO [stdout] 15: 0x5619da80a6b9 - __rust_maybe_catch_panic Dec 15 20:41:19.602 INFO [stdout] at src/libpanic_unwind/lib.rs:102 Dec 15 20:41:19.603 INFO [stdout] 16: 0x5619da7b20fc - >::call_box::h8ae063aff93ccdb6 Dec 15 20:41:19.603 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panicking.rs:285 Dec 15 20:41:19.603 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/panic.rs:398 Dec 15 20:41:19.603 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/libstd/thread/mod.rs:478 Dec 15 20:41:19.603 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:673 Dec 15 20:41:19.603 INFO [stdout] 17: 0x5619da7fe67d - std::sys::unix::thread::Thread::new::thread_start::h42c32b292fdd228f Dec 15 20:41:19.603 INFO [stdout] at /rustc/aa49d8ef14939ddec0e34b346b60174a5673d48f/src/liballoc/boxed.rs:683 Dec 15 20:41:19.603 INFO [stdout] at src/libstd/sys_common/thread.rs:24 Dec 15 20:41:19.603 INFO [stdout] at src/libstd/sys/unix/thread.rs:91 Dec 15 20:41:19.603 INFO [stdout] 18: 0x7f4f718da6b9 - start_thread Dec 15 20:41:19.603 INFO [stdout] 19: 0x7f4f713fa41c - clone Dec 15 20:41:19.603 INFO [stdout] 20: 0x0 - Dec 15 20:41:19.603 INFO [stdout] Dec 15 20:41:19.603 INFO [stdout] Dec 15 20:41:19.603 INFO [stdout] failures: Dec 15 20:41:19.603 INFO [stdout] it_works Dec 15 20:41:19.603 INFO [stdout] Dec 15 20:41:19.603 INFO [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out Dec 15 20:41:19.603 INFO [stdout] Dec 15 20:41:19.604 INFO [stderr] error: test failed, to rerun pass '--lib' Dec 15 20:41:19.607 INFO [stderr] su: No module specific data is present Dec 15 20:41:20.160 INFO running `"docker" "inspect" "3377ba6af38e51b9a5aa1438cab23bd68d556b5da9a12cf7ded3b1113edbc3c9"` Dec 15 20:41:20.301 INFO running `"docker" "rm" "-f" "3377ba6af38e51b9a5aa1438cab23bd68d556b5da9a12cf7ded3b1113edbc3c9"` Dec 15 20:41:20.498 INFO [stdout] 3377ba6af38e51b9a5aa1438cab23bd68d556b5da9a12cf7ded3b1113edbc3c9