[INFO] crate sled 0.24.1 is already in cache [INFO] extracting crate sled 0.24.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/sled/0.24.1 [INFO] extracting crate sled 0.24.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sled/0.24.1 [INFO] validating manifest of sled-0.24.1 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 sled-0.24.1 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 sled-0.24.1 [INFO] finished frobbing sled-0.24.1 [INFO] frobbed toml for sled-0.24.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sled/0.24.1/Cargo.toml [INFO] started frobbing sled-0.24.1 [INFO] finished frobbing sled-0.24.1 [INFO] frobbed toml for sled-0.24.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sled/0.24.1/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 sled-0.24.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sled/0.24.1:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 56c0ecfadccb94411bc5c3aea105abc70d87212544d74499d0a889ce0ba34b83 [INFO] running `"docker" "start" "-a" "56c0ecfadccb94411bc5c3aea105abc70d87212544d74499d0a889ce0ba34b83"` [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling serde_bytes v0.11.2 [INFO] [stderr] Compiling pagecache v0.17.0 [INFO] [stderr] Compiling sled v0.24.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.39s [INFO] running `"docker" "inspect" "56c0ecfadccb94411bc5c3aea105abc70d87212544d74499d0a889ce0ba34b83"` [INFO] running `"docker" "rm" "-f" "56c0ecfadccb94411bc5c3aea105abc70d87212544d74499d0a889ce0ba34b83"` [INFO] [stdout] 56c0ecfadccb94411bc5c3aea105abc70d87212544d74499d0a889ce0ba34b83 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sled/0.24.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 5d1411560743b48d0debd23d0746bdcd48db3cdea96c4fca2e2b2fe63d0a42d7 [INFO] running `"docker" "start" "-a" "5d1411560743b48d0debd23d0746bdcd48db3cdea96c4fca2e2b2fe63d0a42d7"` [INFO] [stderr] Compiling sled v0.24.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.94s [INFO] running `"docker" "inspect" "5d1411560743b48d0debd23d0746bdcd48db3cdea96c4fca2e2b2fe63d0a42d7"` [INFO] running `"docker" "rm" "-f" "5d1411560743b48d0debd23d0746bdcd48db3cdea96c4fca2e2b2fe63d0a42d7"` [INFO] [stdout] 5d1411560743b48d0debd23d0746bdcd48db3cdea96c4fca2e2b2fe63d0a42d7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sled/0.24.1:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] b70f3285ac757fce163f6fa12c464f6c64ae2e6ff7a779d9c7ba09d9d3a940cd [INFO] running `"docker" "start" "-a" "b70f3285ac757fce163f6fa12c464f6c64ae2e6ff7a779d9c7ba09d9d3a940cd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/sled-3a5357b5988eff9b [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test prefix::test_prefix_cmp_encoded ... ok [INFO] [stderr] Doc-tests sled [INFO] [stdout] test ivec::ivec_usage ... ok [INFO] [stdout] test iter::test_possible_predecessor ... ok [INFO] [stdout] test prefix::test_prefix ... ok [INFO] [stdout] test binary_search::test_binary_search_lub ... ok [INFO] [stdout] test prefix::test_prefix_cmp ... ok [INFO] [stdout] test binary_search::test_binary_search_gt ... ok [INFO] [stdout] test binary_search::test_binary_search_lt ... ok [INFO] [stdout] test subscription::basic_subscription ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test src/tree.rs - tree::Tree (line 29) ... FAILED [INFO] [stdout] test src/tree.rs - tree::Tree::contains_key (line 506) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::cas (line 233) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::fetch_and_update (line 396) ... ok [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] test src/tree.rs - tree::Tree::get (line 149) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::get_gt (line 588) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::del (line 174) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::get_lt (line 523) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::iter (line 781) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::len (line 979) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::merge (line 658) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::range (line 842) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::keys (line 926) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::set (line 69) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::scan (line 803) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::update_and_fetch (line 330) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::values (line 951) ... ok [INFO] [stdout] test src/tree.rs - tree::Tree::watch_prefix (line 463) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/tree.rs - tree::Tree (line 29) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'should be able to open configured file at "db/db"; IO error: Read-only file system (os error 30)', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:231:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a68e0ee56b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a68e0ee56b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a68e0ee56b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a68e0ee56b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a68e0ee56b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a68e0ee246 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55a68e0eecdd - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a68e0ee862 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a68e0ee7af - std::panicking::begin_panic_fmt::h4b478f1ed53f4521 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x55a68df891cf - pagecache::config::ConfigBuilder::build::{{closure}}::hf65e78780163f500 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:231 [INFO] [stdout] 10: 0x55a68df47e96 - core::result::Result::unwrap_or_else::h20ece3ea9a5cba47 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:818 [INFO] [stdout] 11: 0x55a68df88a6e - pagecache::config::ConfigBuilder::build::he6c0ddce01b437a1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:230 [INFO] [stdout] 12: 0x55a68dd50f8b - sled::db::Db::start_default::hfa4d77402d0761c2 [INFO] [stdout] 13: 0x55a68dd51473 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 14: 0x55a68dd4fd63 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 15: 0x55a68e0ee6e3 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 16: 0x55a68e0ee6e3 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x55a68e0f2afa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: 0x55a68e0ef2ad - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x55a68e0ef2ad - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x55a68e0ef2ad - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 21: 0x55a68dd4fd48 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 22: 0x55a68dd5201b - main [INFO] [stdout] 23: 0x7f0f4a1752e1 - __libc_start_main [INFO] [stdout] 24: 0x55a68dd496ca - _start [INFO] [stdout] 25: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'should be able to open configured file at "my_db/db"; IO error: Read-only file system (os error 30)', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:231:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5625c729156b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5625c729156b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5625c729156b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5625c729156b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5625c729156b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5625c7291246 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x5625c7291cdd - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5625c7291862 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5625c72917af - std::panicking::begin_panic_fmt::h4b478f1ed53f4521 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5625c712c1cf - pagecache::config::ConfigBuilder::build::{{closure}}::hf65e78780163f500 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:231 [INFO] [stdout] 10: 0x5625c70eae96 - core::result::Result::unwrap_or_else::h20ece3ea9a5cba47 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:818 [INFO] [stdout] 11: 0x5625c712ba6e - pagecache::config::ConfigBuilder::build::he6c0ddce01b437a1 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pagecache-0.17.0/src/config.rs:230 [INFO] [stdout] 12: 0x5625c6ef3f8b - sled::db::Db::start_default::hfa4d77402d0761c2 [INFO] [stdout] 13: 0x5625c6ef4473 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 14: 0x5625c6ef2d63 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 15: 0x5625c72916e3 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 16: 0x5625c72916e3 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5625c7295afa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: 0x5625c72922ad - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5625c72922ad - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5625c72922ad - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 21: 0x5625c6ef2d48 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 22: 0x5625c6ef501b - main [INFO] [stdout] 23: 0x7f4392cea2e1 - __libc_start_main [INFO] [stdout] 24: 0x5625c6eec6ca - _start [INFO] [stdout] 25: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] src/tree.rs - tree::Tree (line 29) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 17 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "b70f3285ac757fce163f6fa12c464f6c64ae2e6ff7a779d9c7ba09d9d3a940cd"` [INFO] running `"docker" "rm" "-f" "b70f3285ac757fce163f6fa12c464f6c64ae2e6ff7a779d9c7ba09d9d3a940cd"` [INFO] [stdout] b70f3285ac757fce163f6fa12c464f6c64ae2e6ff7a779d9c7ba09d9d3a940cd