Nov 18 19:12:05.750 INFO testing btree-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 18 19:12:05.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 19:12:05.992 INFO [stdout] 13b840381de8a20a111c3b19f9e7e845a87442d1454cb607c5ab3ef7b0b657f1 Nov 18 19:12:05.992 INFO running `"docker" "start" "-a" "13b840381de8a20a111c3b19f9e7e845a87442d1454cb607c5ab3ef7b0b657f1"` Nov 18 19:12:06.543 INFO [stderr] usermod: no changes Nov 18 19:12:06.583 INFO [stderr] warning: `panic` setting is ignored for `test` profile Nov 18 19:12:06.599 INFO [stderr] Compiling raw_serde_derive v0.1.2 Nov 18 19:12:10.595 INFO [stderr] Compiling raw_serde v0.1.4 Nov 18 19:12:18.589 INFO [stderr] Compiling btree v0.1.0 (/source) Nov 18 19:12:20.117 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.54s Nov 18 19:12:20.121 INFO [stderr] su: No module specific data is present Nov 18 19:12:21.671 INFO running `"docker" "inspect" "13b840381de8a20a111c3b19f9e7e845a87442d1454cb607c5ab3ef7b0b657f1"` Nov 18 19:12:22.045 INFO running `"docker" "rm" "-f" "13b840381de8a20a111c3b19f9e7e845a87442d1454cb607c5ab3ef7b0b657f1"` Nov 18 19:12:22.257 INFO [stdout] 13b840381de8a20a111c3b19f9e7e845a87442d1454cb607c5ab3ef7b0b657f1 Nov 18 19:12:22.266 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 19:12:22.827 INFO [stdout] f277d7a168cbefbf4351ddd4bb20d0b9f21780970bf83a4fa15bbaae9e7eada3 Nov 18 19:12:22.831 INFO running `"docker" "start" "-a" "f277d7a168cbefbf4351ddd4bb20d0b9f21780970bf83a4fa15bbaae9e7eada3"` Nov 18 19:12:23.780 INFO [stderr] usermod: no changes Nov 18 19:12:23.820 INFO [stderr] warning: `panic` setting is ignored for `test` profile Nov 18 19:12:23.826 INFO [stderr] Compiling btree v0.1.0 (/source) Nov 18 19:12:24.846 INFO [stderr] warning: unused variable: `x` Nov 18 19:12:24.846 INFO [stderr] --> src/lib.rs:26:13 Nov 18 19:12:24.846 INFO [stderr] | Nov 18 19:12:24.846 INFO [stderr] 26 | let x = t.search(&i.to_string()).unwrap().unwrap(); Nov 18 19:12:24.846 INFO [stderr] | ^ help: consider using `_x` instead Nov 18 19:12:24.846 INFO [stderr] | Nov 18 19:12:24.846 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 18 19:12:24.846 INFO [stderr] Nov 18 19:12:27.991 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.19s Nov 18 19:12:28.000 INFO [stderr] su: No module specific data is present Nov 18 19:12:28.423 INFO running `"docker" "inspect" "f277d7a168cbefbf4351ddd4bb20d0b9f21780970bf83a4fa15bbaae9e7eada3"` Nov 18 19:12:28.500 INFO running `"docker" "rm" "-f" "f277d7a168cbefbf4351ddd4bb20d0b9f21780970bf83a4fa15bbaae9e7eada3"` Nov 18 19:12:28.588 INFO [stdout] f277d7a168cbefbf4351ddd4bb20d0b9f21780970bf83a4fa15bbaae9e7eada3 Nov 18 19:12:28.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 19:12:28.764 INFO [stdout] 97bc1a51aea2192a3fe901ae3f89ee1565d15fd8bce5289235af16866518f8df Nov 18 19:12:28.764 INFO running `"docker" "start" "-a" "97bc1a51aea2192a3fe901ae3f89ee1565d15fd8bce5289235af16866518f8df"` Nov 18 19:12:29.401 INFO [stderr] usermod: no changes Nov 18 19:12:29.463 INFO [stderr] warning: `panic` setting is ignored for `test` profile Nov 18 19:12:29.499 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s Nov 18 19:12:29.499 INFO [stderr] Running /target/debug/deps/btree-71308a488dc1e647 Nov 18 19:12:29.508 INFO [stdout] Nov 18 19:12:29.509 INFO [stdout] running 1 test Nov 18 19:12:29.598 INFO [stdout] test it_works ... FAILED Nov 18 19:12:29.598 INFO [stdout] Nov 18 19:12:29.599 INFO [stdout] failures: Nov 18 19:12:29.599 INFO [stdout] Nov 18 19:12:29.599 INFO [stdout] ---- it_works stdout ---- Nov 18 19:12:29.600 INFO [stdout] thread 'it_works' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', libcore/result.rs:1009:5 Nov 18 19:12:29.600 INFO [stdout] stack backtrace: Nov 18 19:12:29.600 INFO [stdout] 0: 0x556dcc872873 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h26df0f6fdb27c709 Nov 18 19:12:29.601 INFO [stdout] at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 18 19:12:29.601 INFO [stdout] 1: 0x556dcc86d0d8 - std::sys_common::backtrace::_print::h84c40fecda6d638e Nov 18 19:12:29.601 INFO [stdout] at libstd/sys_common/backtrace.rs:71 Nov 18 19:12:29.601 INFO [stdout] 2: 0x556dcc8717e4 - std::panicking::default_hook::{{closure}}::h77e370c0567fc0a7 Nov 18 19:12:29.602 INFO [stdout] at libstd/sys_common/backtrace.rs:59 Nov 18 19:12:29.602 INFO [stdout] at libstd/panicking.rs:211 Nov 18 19:12:29.602 INFO [stdout] 3: 0x556dcc8714cc - std::panicking::default_hook::hb9a45c11a33bbcb2 Nov 18 19:12:29.603 INFO [stdout] at libstd/panicking.rs:221 Nov 18 19:12:29.603 INFO [stdout] 4: 0x556dcc871ef0 - std::panicking::rust_panic_with_hook::ha8d95048d940f754 Nov 18 19:12:29.603 INFO [stdout] at libstd/panicking.rs:476 Nov 18 19:12:29.604 INFO [stdout] 5: 0x556dcc871a71 - std::panicking::continue_panic_fmt::hfc82a3747387e2c6 Nov 18 19:12:29.604 INFO [stdout] at libstd/panicking.rs:390 Nov 18 19:12:29.604 INFO [stdout] 6: 0x556dcc871955 - rust_begin_unwind Nov 18 19:12:29.604 INFO [stdout] at libstd/panicking.rs:325 Nov 18 19:12:29.605 INFO [stdout] 7: 0x556dcc881dfc - core::panicking::panic_fmt::h0b2a5728bdf6d5e2 Nov 18 19:12:29.605 INFO [stdout] at libcore/panicking.rs:77 Nov 18 19:12:29.605 INFO [stdout] 8: 0x556dcc818ac4 - core::result::unwrap_failed::hd1dfda4ff8659138 Nov 18 19:12:29.606 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libcore/macros.rs:26 Nov 18 19:12:29.606 INFO [stdout] 9: 0x556dcc8181b3 - core::ops::function::FnOnce::call_once::hd81327a12ebf981f Nov 18 19:12:29.606 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libcore/result.rs:808 Nov 18 19:12:29.607 INFO [stdout] at src/lib.rs:10 Nov 18 19:12:29.607 INFO [stdout] at src/lib.rs:9 Nov 18 19:12:29.607 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libcore/ops/function.rs:238 Nov 18 19:12:29.608 INFO [stdout] 10: 0x556dcc82866e - >::call_box::hae1ea457a0ccd8d5 Nov 18 19:12:29.608 INFO [stdout] at libtest/lib.rs:1471 Nov 18 19:12:29.608 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libcore/ops/function.rs:238 Nov 18 19:12:29.608 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:673 Nov 18 19:12:29.609 INFO [stdout] 11: 0x556dcc8806d9 - __rust_maybe_catch_panic Nov 18 19:12:29.609 INFO [stdout] at libpanic_unwind/lib.rs:102 Nov 18 19:12:29.609 INFO [stdout] 12: 0x556dcc8204c3 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd0ded23d435d70d0 Nov 18 19:12:29.610 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:289 Nov 18 19:12:29.610 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:398 Nov 18 19:12:29.610 INFO [stdout] at libtest/lib.rs:1426 Nov 18 19:12:29.612 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/sys_common/backtrace.rs:136 Nov 18 19:12:29.612 INFO [stdout] 13: 0x556dcc821364 - std::panicking::try::do_call::h031514fb401b7159 Nov 18 19:12:29.613 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:477 Nov 18 19:12:29.613 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:319 Nov 18 19:12:29.613 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:310 Nov 18 19:12:29.614 INFO [stdout] 14: 0x556dcc8806d9 - __rust_maybe_catch_panic Nov 18 19:12:29.614 INFO [stdout] at libpanic_unwind/lib.rs:102 Nov 18 19:12:29.614 INFO [stdout] 15: 0x556dcc82854c - >::call_box::h44700b7a2ec6fd33 Nov 18 19:12:29.615 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:289 Nov 18 19:12:29.615 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:398 Nov 18 19:12:29.615 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:476 Nov 18 19:12:29.615 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:673 Nov 18 19:12:29.616 INFO [stdout] 16: 0x556dcc8745bd - std::sys::unix::thread::Thread::new::thread_start::h8526625243d2f13b Nov 18 19:12:29.616 INFO [stdout] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:683 Nov 18 19:12:29.616 INFO [stdout] at libstd/sys_common/thread.rs:24 Nov 18 19:12:29.617 INFO [stdout] at libstd/sys/unix/thread.rs:90 Nov 18 19:12:29.617 INFO [stdout] 17: 0x7fd7030de6b9 - start_thread Nov 18 19:12:29.617 INFO [stdout] 18: 0x7fd702bfe41c - clone Nov 18 19:12:29.618 INFO [stdout] 19: 0x0 - Nov 18 19:12:29.618 INFO [stdout] Nov 18 19:12:29.618 INFO [stdout] Nov 18 19:12:29.618 INFO [stdout] failures: Nov 18 19:12:29.619 INFO [stdout] it_works Nov 18 19:12:29.619 INFO [stdout] Nov 18 19:12:29.619 INFO [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out Nov 18 19:12:29.620 INFO [stdout] Nov 18 19:12:29.620 INFO [stderr] error: test failed, to rerun pass '--lib' Nov 18 19:12:29.620 INFO [stderr] su: No module specific data is present Nov 18 19:12:30.139 INFO running `"docker" "inspect" "97bc1a51aea2192a3fe901ae3f89ee1565d15fd8bce5289235af16866518f8df"` Nov 18 19:12:30.421 INFO running `"docker" "rm" "-f" "97bc1a51aea2192a3fe901ae3f89ee1565d15fd8bce5289235af16866518f8df"` Nov 18 19:12:30.651 INFO [stdout] 97bc1a51aea2192a3fe901ae3f89ee1565d15fd8bce5289235af16866518f8df