[INFO] crate compact_arena 0.4.0 is already in cache [INFO] extracting crate compact_arena 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/compact_arena/0.4.0 [INFO] extracting crate compact_arena 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compact_arena/0.4.0 [INFO] validating manifest of compact_arena-0.4.0 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 compact_arena-0.4.0 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 compact_arena-0.4.0 [INFO] finished frobbing compact_arena-0.4.0 [INFO] frobbed toml for compact_arena-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/compact_arena/0.4.0/Cargo.toml [INFO] started frobbing compact_arena-0.4.0 [INFO] finished frobbing compact_arena-0.4.0 [INFO] frobbed toml for compact_arena-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/compact_arena/0.4.0/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 compact_arena-0.4.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/compact_arena/0.4.0:/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] 53a16732e07e6832ee69b6f700d89d142de8a65e79a06cf986648c8215e00966 [INFO] running `"docker" "start" "-a" "53a16732e07e6832ee69b6f700d89d142de8a65e79a06cf986648c8215e00966"` [INFO] [stderr] Compiling compact_arena v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `"docker" "inspect" "53a16732e07e6832ee69b6f700d89d142de8a65e79a06cf986648c8215e00966"` [INFO] running `"docker" "rm" "-f" "53a16732e07e6832ee69b6f700d89d142de8a65e79a06cf986648c8215e00966"` [INFO] [stdout] 53a16732e07e6832ee69b6f700d89d142de8a65e79a06cf986648c8215e00966 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/compact_arena/0.4.0:/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] 218b0827edfc231b2e2333c959f62cc90b113c29bdf5caa81511cfd4cede4a38 [INFO] running `"docker" "start" "-a" "218b0827edfc231b2e2333c959f62cc90b113c29bdf5caa81511cfd4cede4a38"` [INFO] [stderr] Compiling compiletest_rs v0.3.22 [INFO] [stderr] Compiling tester v0.5.0 [INFO] [stderr] Compiling rustfix v0.4.6 [INFO] [stderr] Compiling compact_arena v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.62s [INFO] running `"docker" "inspect" "218b0827edfc231b2e2333c959f62cc90b113c29bdf5caa81511cfd4cede4a38"` [INFO] running `"docker" "rm" "-f" "218b0827edfc231b2e2333c959f62cc90b113c29bdf5caa81511cfd4cede4a38"` [INFO] [stdout] 218b0827edfc231b2e2333c959f62cc90b113c29bdf5caa81511cfd4cede4a38 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/compact_arena/0.4.0:/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] 0e8e0c9bdbec14bea50fa6ca98c11bb386733a3035ddb49ec3b26558f14288ae [INFO] running `"docker" "start" "-a" "0e8e0c9bdbec14bea50fa6ca98c11bb386733a3035ddb49ec3b26558f14288ae"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/compact_arena-81d3ea83a2085e78 [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/nano_arena-e96da2044ac6e586 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test add_256_objects ... ok [INFO] [stdout] test two_nano_arenas_one_scope ... ok [INFO] [stdout] test two_nano_arenas ... ok [INFO] [stdout] test add_257_objects ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/threads-696699d3d2927e34 [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_scoped_arena ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/tiny_arena-94b9f992188463cd [INFO] [stdout] test two_tiny_arenas ... ok [INFO] [stdout] test two_tiny_arenas_one_scope ... ok [INFO] [stdout] test add_65536_objects ... ok [INFO] [stdout] test add_65537_objects ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tree-6a021c95a9dfdd98 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tree ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/ui_tests-3bf1cabe265ef30f [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test run_ui_tests ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- run_ui_tests stdout ---- [INFO] [stdout] thread 'run_ui_tests' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f71900533b - 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: 0x55f71900533b - 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: 0x55f71900533b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55f71900533b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55f71900533b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55f719004faa - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55f719005ab0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55f719005632 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55f719005516 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55f719024afd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55f718f78068 - core::result::unwrap_failed::h228c6aca9d7f2806 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55f718b0679d - core::result::Result::unwrap::h141e644ab925aa07 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55f718b37849 - compiletest_rs::collect_tests_from_dir::h3b26af369b92bf84 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:165 [INFO] [stdout] 13: 0x55f718b36f2a - compiletest_rs::make_tests::h3a6b3c858b0538ab [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:124 [INFO] [stdout] 14: 0x55f718b364a3 - compiletest_rs::run_tests::h47dcf7be4b829901 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:79 [INFO] [stdout] 15: 0x55f718abe663 - ui_tests::run_ui_tests::hba1fd608963f7c51 [INFO] [stdout] at tests/ui_tests.rs:13 [INFO] [stdout] 16: 0x55f718abe08a - ui_tests::run_ui_tests::{{closure}}::h991630ad5b4fd9cf [INFO] [stdout] at tests/ui_tests.rs:4 [INFO] [stdout] 17: 0x55f718abd74e - core::ops::function::FnOnce::call_once::h863ca19d524a6054 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: 0x55f718ac9c4f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: 0x55f71900d8ca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 20: 0x55f718ae4248 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 21: 0x55f718ae4248 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55f718ae4248 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 23: 0x55f718abf0c5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 24: 0x55f718ac3185 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 25: 0x55f718ac3185 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 26: 0x55f718ac3185 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 27: 0x55f71900d8ca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 28: 0x55f718ac3882 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 29: 0x55f718ac3882 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55f718ac3882 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 31: 0x55f718ac3882 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 32: 0x55f718ff6b2f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 33: 0x55f71900cd00 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 34: 0x55f71900cd00 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 35: 0x55f71900cd00 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 36: 0x7fee668ef4a4 - start_thread [INFO] [stdout] 37: 0x7fee6641ad0f - __clone [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] run_ui_tests [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test ui_tests' [INFO] running `"docker" "inspect" "0e8e0c9bdbec14bea50fa6ca98c11bb386733a3035ddb49ec3b26558f14288ae"` [INFO] running `"docker" "rm" "-f" "0e8e0c9bdbec14bea50fa6ca98c11bb386733a3035ddb49ec3b26558f14288ae"` [INFO] [stdout] 0e8e0c9bdbec14bea50fa6ca98c11bb386733a3035ddb49ec3b26558f14288ae