[INFO] fetching crate compact_arena 0.4.0... [INFO] extracting crate compact_arena 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/compact_arena/0.4.0 [INFO] extracting crate compact_arena 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/compact_arena/0.4.0 [INFO] validating manifest of compact_arena-0.4.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of compact_arena-0.4.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/compact_arena/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing compact_arena-0.4.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] fc79d8933dbbdd41ba65ae4b3aa36b530ccff48204c35e6756c0b7d51e66814b [INFO] running `"docker" "start" "-a" "fc79d8933dbbdd41ba65ae4b3aa36b530ccff48204c35e6756c0b7d51e66814b"` [INFO] [stderr] Compiling compact_arena v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `"docker" "inspect" "fc79d8933dbbdd41ba65ae4b3aa36b530ccff48204c35e6756c0b7d51e66814b"` [INFO] running `"docker" "rm" "-f" "fc79d8933dbbdd41ba65ae4b3aa36b530ccff48204c35e6756c0b7d51e66814b"` [INFO] [stdout] fc79d8933dbbdd41ba65ae4b3aa36b530ccff48204c35e6756c0b7d51e66814b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 46c149159f98fb523ef5fb46808c8d2c08023d3ca870196ed07005aa9fa7e843 [INFO] running `"docker" "start" "-a" "46c149159f98fb523ef5fb46808c8d2c08023d3ca870196ed07005aa9fa7e843"` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling getopts v0.2.19 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling filetime v0.2.6 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tester v0.5.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling backtrace v0.3.34 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling rustfix v0.4.5 [INFO] [stderr] Compiling compiletest_rs v0.3.22 [INFO] [stderr] Compiling compact_arena v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.71s [INFO] running `"docker" "inspect" "46c149159f98fb523ef5fb46808c8d2c08023d3ca870196ed07005aa9fa7e843"` [INFO] running `"docker" "rm" "-f" "46c149159f98fb523ef5fb46808c8d2c08023d3ca870196ed07005aa9fa7e843"` [INFO] [stdout] 46c149159f98fb523ef5fb46808c8d2c08023d3ca870196ed07005aa9fa7e843 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c8cf98fabd8dc94f2a2eac6c1fe5c67c0d300d4d2ffd61e29833d250075d7822 [INFO] running `"docker" "start" "-a" "c8cf98fabd8dc94f2a2eac6c1fe5c67c0d300d4d2ffd61e29833d250075d7822"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/compact_arena-5749e6d4c26a0aa0 [INFO] [stderr] Running /opt/crater/target/debug/deps/nano_arena-470b9d566cc6615e [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test two_nano_arenas ... ok [INFO] [stdout] test add_256_objects ... ok [INFO] [stdout] test two_nano_arenas_one_scope ... ok [INFO] [stdout] test add_257_objects ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/threads-2ceb3728a5062e7f [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] [stderr] Running /opt/crater/target/debug/deps/tiny_arena-2b1587ae625926e6 [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] [stdout] test two_tiny_arenas_one_scope ... ok [INFO] [stdout] test two_tiny_arenas ... ok [INFO] [stdout] test add_65536_objects ... ok [INFO] [stdout] test add_65537_objects ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/tree-96e8c16d02adba95 [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 tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/ui_tests-1bf65ecab9543c99 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test run_ui_tests ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test ui_tests' [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: 0x556b8e1fbb13 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x556b8e1f6c9b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x556b8e1fa756 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x556b8e1fa47e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x556b8e1fae5f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x556b8e1fa9e1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x556b8e1fa8c5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x556b8e215fbc - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x556b8e1645e6 - core::result::unwrap_failed::ha9b6137197ff6c07 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x556b8dd92ebf - core::result::Result::unwrap::h17d869073da66d95 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stdout] 10: 0x556b8ddadc94 - compiletest_rs::collect_tests_from_dir::h8e54b78f1c5be7bc [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:165 [INFO] [stdout] 11: 0x556b8ddad3b8 - compiletest_rs::make_tests::h635d2935991e7f46 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:124 [INFO] [stdout] 12: 0x556b8ddac8e6 - compiletest_rs::run_tests::h34ed222429dbe108 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:79 [INFO] [stdout] 13: 0x556b8dcebaa0 - ui_tests::run_ui_tests::h011ef6f2035b1731 [INFO] [stdout] at tests/ui_tests.rs:13 [INFO] [stdout] 14: 0x556b8dceb4d9 - ui_tests::run_ui_tests::{{closure}}::h1a6662a105a2f2a0 [INFO] [stdout] at tests/ui_tests.rs:4 [INFO] [stdout] 15: 0x556b8dcec0ad - core::ops::function::FnOnce::call_once::h70a235c907158352 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x556b8dcf7c6e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x556b8e203239 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 18: 0x556b8dd12567 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 19: 0x556b8dcecf84 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 20: 0x556b8dcf1034 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 21: 0x556b8e203239 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 22: 0x556b8dcf1641 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x556b8e1ead6e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 24: 0x556b8e2025ff - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 25: 0x7f754f9514a3 - start_thread [INFO] [stdout] 26: 0x7f754f47cd0e - __clone [INFO] [stdout] 27: 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] running `"docker" "inspect" "c8cf98fabd8dc94f2a2eac6c1fe5c67c0d300d4d2ffd61e29833d250075d7822"` [INFO] running `"docker" "rm" "-f" "c8cf98fabd8dc94f2a2eac6c1fe5c67c0d300d4d2ffd61e29833d250075d7822"` [INFO] [stdout] c8cf98fabd8dc94f2a2eac6c1fe5c67c0d300d4d2ffd61e29833d250075d7822