[INFO] cloning repository nlflint/HashSet [INFO] running `"git" "clone" "--bare" "git://github.com/nlflint/HashSet.git" "work/cache/sources/gh/nlflint/HashSet"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nlflint/HashSet'... [INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/HashSet" "work/ex/beta-1.37-6/sources/1.36.0/gh/nlflint/HashSet"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nlflint/HashSet'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nlflint/HashSet" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nlflint/HashSet"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nlflint/HashSet 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 nlflint/HashSet [INFO] finished frobbing nlflint/HashSet [INFO] frobbed toml for nlflint/HashSet written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 nlflint/HashSet 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 64799d550743985a16729540bbe57ed0d664231fe415c31e6662749525ea4e19 [INFO] running `"docker" "start" "-a" "64799d550743985a16729540bbe57ed0d664231fe415c31e6662749525ea4e19"` [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 0.51s [INFO] running `"docker" "inspect" "64799d550743985a16729540bbe57ed0d664231fe415c31e6662749525ea4e19"` [INFO] running `"docker" "rm" "-f" "64799d550743985a16729540bbe57ed0d664231fe415c31e6662749525ea4e19"` [INFO] [stdout] 64799d550743985a16729540bbe57ed0d664231fe415c31e6662749525ea4e19 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 626429fffc921fa4737833230e55a95907d1b8b4d86c89528462e214439bdf10 [INFO] running `"docker" "start" "-a" "626429fffc921fa4737833230e55a95907d1b8b4d86c89528462e214439bdf10"` [INFO] [stderr] Compiling hash_set v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `"docker" "inspect" "626429fffc921fa4737833230e55a95907d1b8b4d86c89528462e214439bdf10"` [INFO] running `"docker" "rm" "-f" "626429fffc921fa4737833230e55a95907d1b8b4d86c89528462e214439bdf10"` [INFO] [stdout] 626429fffc921fa4737833230e55a95907d1b8b4d86c89528462e214439bdf10 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 16e26f4288c6b4a5f98eedcd174c63aa7b1f6a7cbc02fed0d31974d63aed3298 [INFO] running `"docker" "start" "-a" "16e26f4288c6b4a5f98eedcd174c63aa7b1f6a7cbc02fed0d31974d63aed3298"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/hash_set-94aacc92850b639b [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test remove_head_on_duplciate_hash ... ok [INFO] [stdout] test remove ... ok [INFO] [stdout] test does_not_contain_on_hash_collision ... ok [INFO] [stdout] test contains_both_on_hash_collision ... ok [INFO] [stdout] test add_value ... 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: 0x564ea46272e3 - 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: 0x564ea4622c1b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x564ea4626026 - 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: 0x564ea4625d4e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x564ea462672f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x564ea45d3e83 - std::panicking::begin_panic::h56828aa6c4ee400d [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x564ea45d776e - hash_set::remove_middle_on_duplciate_hash::h3064bb12e1947ac6 [INFO] [stdout] at src/main.rs:237 [INFO] [stdout] 7: 0x564ea45d7619 - hash_set::remove_middle_on_duplciate_hash::{{closure}}::hf05b706a3402aa6f [INFO] [stdout] at src/main.rs:230 [INFO] [stdout] 8: 0x564ea45d55dd - core::ops::function::FnOnce::call_once::h216dde803db2f20f [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x564ea45e73ce - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x564ea4629449 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x564ea4601cc7 - 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] 12: 0x564ea45dc6e4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x564ea45e0794 - 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] 14: 0x564ea4629449 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x564ea45e0da1 - 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] 16: 0x564ea461a9ae - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x564ea4628b2f - 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] 18: 0x7fe3b6c584a3 - start_thread [INFO] [stdout] 19: 0x7fe3b6783d0e - __clone [INFO] [stdout] 20: 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" "16e26f4288c6b4a5f98eedcd174c63aa7b1f6a7cbc02fed0d31974d63aed3298"` [INFO] running `"docker" "rm" "-f" "16e26f4288c6b4a5f98eedcd174c63aa7b1f6a7cbc02fed0d31974d63aed3298"` [INFO] [stdout] 16e26f4288c6b4a5f98eedcd174c63aa7b1f6a7cbc02fed0d31974d63aed3298