[INFO] crate tempfile-fast 0.3.0 is already in cache [INFO] extracting crate tempfile-fast 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tempfile-fast/0.3.0 [INFO] extracting crate tempfile-fast 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tempfile-fast/0.3.0 [INFO] validating manifest of tempfile-fast-0.3.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tempfile-fast-0.3.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tempfile-fast-0.3.0 [INFO] finished frobbing tempfile-fast-0.3.0 [INFO] frobbed toml for tempfile-fast-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tempfile-fast/0.3.0/Cargo.toml [INFO] started frobbing tempfile-fast-0.3.0 [INFO] finished frobbing tempfile-fast-0.3.0 [INFO] frobbed toml for tempfile-fast-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tempfile-fast/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tempfile-fast-0.3.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tempfile-fast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f8bffa81542a7bff08582b926263396a7399fa99782aba39223a420a57336f0b [INFO] running `"docker" "start" "-a" "f8bffa81542a7bff08582b926263396a7399fa99782aba39223a420a57336f0b"` [INFO] [stderr] Compiling tempfile-fast v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "f8bffa81542a7bff08582b926263396a7399fa99782aba39223a420a57336f0b"` [INFO] running `"docker" "rm" "-f" "f8bffa81542a7bff08582b926263396a7399fa99782aba39223a420a57336f0b"` [INFO] [stdout] f8bffa81542a7bff08582b926263396a7399fa99782aba39223a420a57336f0b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tempfile-fast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 3eb0617d06b0a40c7cae8fc43c49753e765aa16260c9f9d6d5229d0145184876 [INFO] running `"docker" "start" "-a" "3eb0617d06b0a40c7cae8fc43c49753e765aa16260c9f9d6d5229d0145184876"` [INFO] [stderr] Compiling tempfile-fast v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.60s [INFO] running `"docker" "inspect" "3eb0617d06b0a40c7cae8fc43c49753e765aa16260c9f9d6d5229d0145184876"` [INFO] running `"docker" "rm" "-f" "3eb0617d06b0a40c7cae8fc43c49753e765aa16260c9f9d6d5229d0145184876"` [INFO] [stdout] 3eb0617d06b0a40c7cae8fc43c49753e765aa16260c9f9d6d5229d0145184876 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tempfile-fast/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 448ec25b87798804ca6b9fe009bf6a661e9eec6898e20bb7c536f887e6261bd9 [INFO] running `"docker" "start" "-a" "448ec25b87798804ca6b9fe009bf6a661e9eec6898e20bb7c536f887e6261bd9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/tempfile_fast-cea5030e9c55b44f [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/persist-9be8f94f553211d2 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test read_write ... ok [INFO] [stdout] test overwrite ... ok [INFO] [stdout] test empty_on_linux ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- empty_on_linux stdout ---- [INFO] [stdout] thread 'empty_on_linux' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `0`, [INFO] [stdout] right: `1`', tests/persist.rs:23:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55599b410f0b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55599b410f0b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55599b410f0b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55599b410f0b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55599b410f0b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55599b410b7a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55599b411680 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55599b411202 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55599b41114f - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x55599b32b752 - persist::empty_on_linux::h83262ed5ee6fd1a0 [INFO] [stdout] at tests/persist.rs:23 [INFO] [stdout] 10: 0x55599b32b46a - persist::empty_on_linux::{{closure}}::h77f2722538e3f60c [INFO] [stdout] at tests/persist.rs:13 [INFO] [stdout] 11: 0x55599b330d9e - core::ops::function::FnOnce::call_once::h4323d41c05ee0b5f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55599b342b4f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x55599b4148ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55599b35d148 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x55599b35d148 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x55599b35d148 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x55599b337fc5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x55599b33c085 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x55599b33c085 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x55599b33c085 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x55599b4148ea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x55599b33c782 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x55599b33c782 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x55599b33c782 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x55599b33c782 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x55599b40586f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x55599b413d20 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x55599b413d20 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x55599b413d20 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7fdec4c334a4 - start_thread [INFO] [stdout] 31: 0x7fdec475ed0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] empty_on_linux [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test persist' [INFO] running `"docker" "inspect" "448ec25b87798804ca6b9fe009bf6a661e9eec6898e20bb7c536f887e6261bd9"` [INFO] running `"docker" "rm" "-f" "448ec25b87798804ca6b9fe009bf6a661e9eec6898e20bb7c536f887e6261bd9"` [INFO] [stdout] 448ec25b87798804ca6b9fe009bf6a661e9eec6898e20bb7c536f887e6261bd9