[INFO] updating cached repository nlflint/HashSet [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nlflint/HashSet [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/HashSet" "work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/HashSet"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/HashSet'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/HashSet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f71c03f54141eea9499de76d83e057131f71b7e1 [INFO] sha for GitHub repo nlflint/HashSet: f71c03f54141eea9499de76d83e057131f71b7e1 [INFO] validating manifest of nlflint/HashSet 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 nlflint/HashSet 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 nlflint/HashSet [INFO] finished frobbing nlflint/HashSet [INFO] frobbed toml for nlflint/HashSet written to work/ex/beta-1.38-1/sources/1.37.0/gh/nlflint/HashSet/Cargo.toml [INFO] started frobbing nlflint/HashSet [INFO] finished frobbing nlflint/HashSet [INFO] frobbed toml for nlflint/HashSet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet/Cargo.toml [INFO] crate nlflint/HashSet already has a lockfile, it will not be regenerated [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 nlflint/HashSet 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet:/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] c5ce481f4e2b62d8b5046f6a2a3052d5f1dff568802fb5f2463873e525c20875 [INFO] running `"docker" "start" "-a" "c5ce481f4e2b62d8b5046f6a2a3052d5f1dff568802fb5f2463873e525c20875"` [INFO] [stderr] Compiling hash_set v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | fn add(self: &mut Self, value: T) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | fn insert(self: &mut Self, value: T, insert_index: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `contains` [INFO] [stderr] --> src/main.rs:107:5 [INFO] [stderr] | [INFO] [stderr] 107 | fn contains(self: &mut Self, value: &T) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/main.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | fn remove(self: &mut Self, value: &T) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "c5ce481f4e2b62d8b5046f6a2a3052d5f1dff568802fb5f2463873e525c20875"` [INFO] running `"docker" "rm" "-f" "c5ce481f4e2b62d8b5046f6a2a3052d5f1dff568802fb5f2463873e525c20875"` [INFO] [stdout] c5ce481f4e2b62d8b5046f6a2a3052d5f1dff568802fb5f2463873e525c20875 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet:/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] dc521729889e17c218b3116a11f54121f321515e8b0f7a0767617bec07ce9e61 [INFO] running `"docker" "start" "-a" "dc521729889e17c218b3116a11f54121f321515e8b0f7a0767617bec07ce9e61"` [INFO] [stderr] Compiling hash_set v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "dc521729889e17c218b3116a11f54121f321515e8b0f7a0767617bec07ce9e61"` [INFO] running `"docker" "rm" "-f" "dc521729889e17c218b3116a11f54121f321515e8b0f7a0767617bec07ce9e61"` [INFO] [stdout] dc521729889e17c218b3116a11f54121f321515e8b0f7a0767617bec07ce9e61 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nlflint/HashSet:/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] d9b3e3171b6558212023163884f19e1ca1e6c9b63733ed2db9549609875aa60c [INFO] running `"docker" "start" "-a" "d9b3e3171b6558212023163884f19e1ca1e6c9b63733ed2db9549609875aa60c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/hash_set-b6bcfb73fd73320c [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test add_value ... ok [INFO] [stdout] test contains_both_on_hash_collision ... ok [INFO] [stdout] test does_not_contain_on_hash_collision ... ok [INFO] [stdout] test remove ... ok [INFO] [stdout] test remove_head_on_duplciate_hash ... ok [INFO] [stdout] test does_not_contain ... ok [INFO] [stdout] test remove_middle_on_duplciate_hash ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- remove_middle_on_duplciate_hash stdout ---- [INFO] [stdout] thread 'remove_middle_on_duplciate_hash' panicked at 'assertion failed: hash_set.contains(&"f".to_string()) == false', src/main.rs:237:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555f6a917aab - 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: 0x555f6a917aab - 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: 0x555f6a917aab - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x555f6a917aab - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x555f6a917aab - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x555f6a91771c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x555f6a91821d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x555f6a8c8591 - std::panicking::begin_panic::h8cf229f2d3396876 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x555f6a8cb6fe - hash_set::remove_middle_on_duplciate_hash::h73be3bcc52733f78 [INFO] [stdout] at src/main.rs:237 [INFO] [stdout] 9: 0x555f6a8cb59a - hash_set::remove_middle_on_duplciate_hash::{{closure}}::hf12c30231ced960b [INFO] [stdout] at src/main.rs:230 [INFO] [stdout] 10: 0x555f6a8c7afe - core::ops::function::FnOnce::call_once::ha62ad5c9b05a4a90 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 11: 0x555f6a8da91f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 12: 0x555f6a91aafa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 13: 0x555f6a8f4f0e - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 14: 0x555f6a8f4f0e - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 15: 0x555f6a8f4f0e - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 16: 0x555f6a8d0345 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 17: 0x555f6a8d4555 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 18: 0x555f6a8d4555 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 19: 0x555f6a8d4555 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 20: 0x555f6a91aafa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 21: 0x555f6a8d4b52 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 22: 0x555f6a8d4b52 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x555f6a8d4b52 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 24: 0x555f6a8d4b52 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 25: 0x555f6a90d8ff - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 26: 0x555f6a91a230 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 27: 0x555f6a91a230 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 28: 0x555f6a91a230 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7f4dbfebb4a4 - start_thread [INFO] [stdout] 30: 0x7f4dbf9e6d0f - __clone [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] remove_middle_on_duplciate_hash [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin hash_set' [INFO] running `"docker" "inspect" "d9b3e3171b6558212023163884f19e1ca1e6c9b63733ed2db9549609875aa60c"` [INFO] running `"docker" "rm" "-f" "d9b3e3171b6558212023163884f19e1ca1e6c9b63733ed2db9549609875aa60c"` [INFO] [stdout] d9b3e3171b6558212023163884f19e1ca1e6c9b63733ed2db9549609875aa60c