[INFO] updating cached repository https://github.com/nlflint/HashSet [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f71c03f54141eea9499de76d83e057131f71b7e1 [INFO] testing nlflint/HashSet against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2FHashSet" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nlflint/HashSet on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nlflint/HashSet [INFO] finished tweaking git repo https://github.com/nlflint/HashSet [INFO] tweaked toml for git repo https://github.com/nlflint/HashSet written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nlflint/HashSet already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 87c09ff1b3b558f1a69e925d52c023bac690a98fb5d4f37dbd5c466d6a890e83 [INFO] running `"docker" "start" "-a" "87c09ff1b3b558f1a69e925d52c023bac690a98fb5d4f37dbd5c466d6a890e83"` [INFO] [stderr] Compiling hash_set v0.1.0 (/opt/rustwide/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 0.29s [INFO] running `"docker" "inspect" "87c09ff1b3b558f1a69e925d52c023bac690a98fb5d4f37dbd5c466d6a890e83"` [INFO] running `"docker" "rm" "-f" "87c09ff1b3b558f1a69e925d52c023bac690a98fb5d4f37dbd5c466d6a890e83"` [INFO] [stdout] 87c09ff1b3b558f1a69e925d52c023bac690a98fb5d4f37dbd5c466d6a890e83 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 653dbabfc66b42ec5eb5853e61ac8fccf63e073e37d6c60f85d082b96ea14a2d [INFO] running `"docker" "start" "-a" "653dbabfc66b42ec5eb5853e61ac8fccf63e073e37d6c60f85d082b96ea14a2d"` [INFO] [stderr] Compiling hash_set v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `"docker" "inspect" "653dbabfc66b42ec5eb5853e61ac8fccf63e073e37d6c60f85d082b96ea14a2d"` [INFO] running `"docker" "rm" "-f" "653dbabfc66b42ec5eb5853e61ac8fccf63e073e37d6c60f85d082b96ea14a2d"` [INFO] [stdout] 653dbabfc66b42ec5eb5853e61ac8fccf63e073e37d6c60f85d082b96ea14a2d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] e79272313ff259d1bb6d8d2d85ad4e144da3fd73127b012cc1405fcec389b9f1 [INFO] running `"docker" "start" "-a" "e79272313ff259d1bb6d8d2d85ad4e144da3fd73127b012cc1405fcec389b9f1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hash_set-2da28231da441c37 [INFO] [stdout] running 7 tests [INFO] [stdout] test does_not_contain_on_hash_collision ... ok [INFO] [stdout] test add_value ... ok [INFO] [stdout] test remove ... ok [INFO] [stdout] test does_not_contain ... ok [INFO] [stdout] test contains_both_on_hash_collision ... ok [INFO] [stdout] test remove_head_on_duplciate_hash ... 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: 0x562790382d4b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x562790382d4b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x562790382d4b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x562790382d4b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x562790382d4b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5627903829bc - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5627903834bd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x562790333651 - std::panicking::begin_panic::hd01d08e331683149 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5627903367be - hash_set::remove_middle_on_duplciate_hash::hd69cc2a9155cc063 [INFO] [stdout] at src/main.rs:237 [INFO] [stdout] 9: 0x56279033665a - hash_set::remove_middle_on_duplciate_hash::{{closure}}::h5fabcc9fea663b7e [INFO] [stdout] at src/main.rs:230 [INFO] [stdout] 10: 0x562790332b2e - core::ops::function::FnOnce::call_once::h713089bb731a2199 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 11: 0x5627903459df - as core::ops::function::FnOnce>::call_once::hac0fbe2754f8bd24 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 12: 0x562790385c0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 13: 0x56279035ffce - std::panicking::try::h9d6938917cc05e3f [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 14: 0x56279035ffce - std::panic::catch_unwind::h5be70fd1d69515b0 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 15: 0x56279035ffce - test::run_test::run_test_inner::{{closure}}::h056f206eafd8ff6e [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 16: 0x56279033b405 - std::sys_common::backtrace::__rust_begin_short_backtrace::h859abbc742a34b19 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 17: 0x56279033f545 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf8192ec938c43694 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stdout] 18: 0x56279033f545 - as core::ops::function::FnOnce<()>>::call_once::hae7b2431555cb4db [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 19: 0x56279033f545 - std::panicking::try::do_call::h6da7ecd0783259d7 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 20: 0x562790385c0a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 21: 0x56279033fb22 - std::panicking::try::h3c1c35414c2c78f1 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 22: 0x56279033fb22 - std::panic::catch_unwind::ha5cfb2018fda983e [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x56279033fb22 - std::thread::Builder::spawn_unchecked::{{closure}}::hc7620e41f0938c09 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stdout] 24: 0x56279033fb22 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b3b20eeb6ea6ddd [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 25: 0x5627903789bf - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 26: 0x562790385340 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 27: 0x562790385340 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 28: 0x562790385340 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7ff3ff5396db - start_thread [INFO] [stdout] 30: 0x7ff3ff04a88f - __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" "e79272313ff259d1bb6d8d2d85ad4e144da3fd73127b012cc1405fcec389b9f1"` [INFO] running `"docker" "rm" "-f" "e79272313ff259d1bb6d8d2d85ad4e144da3fd73127b012cc1405fcec389b9f1"` [INFO] [stdout] e79272313ff259d1bb6d8d2d85ad4e144da3fd73127b012cc1405fcec389b9f1