[INFO] cloning repository cjneely10/rust_algorithms [INFO] running `"git" "clone" "--bare" "git://github.com/cjneely10/rust_algorithms.git" "work/cache/sources/gh/cjneely10/rust_algorithms"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cjneely10/rust_algorithms'... [INFO] running `"git" "clone" "work/cache/sources/gh/cjneely10/rust_algorithms" "work/ex/beta-1.37-6/sources/1.36.0/gh/cjneely10/rust_algorithms"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cjneely10/rust_algorithms'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cjneely10/rust_algorithms" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1b4226c4c5e1f4420db94d86966fad6a853c25cf [INFO] sha for GitHub repo cjneely10/rust_algorithms: 1b4226c4c5e1f4420db94d86966fad6a853c25cf [INFO] validating manifest of cjneely10/rust_algorithms 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 cjneely10/rust_algorithms 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 cjneely10/rust_algorithms [INFO] finished frobbing cjneely10/rust_algorithms [INFO] frobbed toml for cjneely10/rust_algorithms written to work/ex/beta-1.37-6/sources/1.36.0/gh/cjneely10/rust_algorithms/Cargo.toml [INFO] started frobbing cjneely10/rust_algorithms [INFO] finished frobbing cjneely10/rust_algorithms [INFO] frobbed toml for cjneely10/rust_algorithms written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms/Cargo.toml [INFO] crate cjneely10/rust_algorithms 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 cjneely10/rust_algorithms against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 410f82257ce489fe6aacdbaad574abfb1f8b640d85ea1843357de884640d0b55 [INFO] running `"docker" "start" "-a" "410f82257ce489fe6aacdbaad574abfb1f8b640d85ea1843357de884640d0b55"` [INFO] [stderr] warning: unused manifest key: package.test [INFO] [stderr] Compiling stable_matching v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/person.rs:145:17 [INFO] [stderr] | [INFO] [stderr] 144 | id => { return Some(person); }, [INFO] [stderr] | -- matches any value [INFO] [stderr] 145 | _ => continue, [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/person.rs:144:17 [INFO] [stderr] | [INFO] [stderr] 144 | id => { return Some(person); }, [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/person.rs:141:27 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn get(&mut self, id: usize) -> Option<&mut Person> { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut mate_vec_1: PersonVec = pvec!(sim_size); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `was_engaged_to` [INFO] [stderr] --> src/person.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn was_engaged_to(&mut self, poss_mate: &mut Person) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `separate` [INFO] [stderr] --> src/person.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn separate(&mut self, mate: &mut Person) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/person.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn get(&mut self, id: usize) -> Option<&mut Person> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "410f82257ce489fe6aacdbaad574abfb1f8b640d85ea1843357de884640d0b55"` [INFO] running `"docker" "rm" "-f" "410f82257ce489fe6aacdbaad574abfb1f8b640d85ea1843357de884640d0b55"` [INFO] [stdout] 410f82257ce489fe6aacdbaad574abfb1f8b640d85ea1843357de884640d0b55 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 2765c095cade344cdd0d7fcc525c0193dabfcc762ab890c5292692b360890e7e [INFO] running `"docker" "start" "-a" "2765c095cade344cdd0d7fcc525c0193dabfcc762ab890c5292692b360890e7e"` [INFO] [stderr] warning: unused manifest key: package.test [INFO] [stderr] Compiling stable_matching v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/person.rs:145:17 [INFO] [stderr] | [INFO] [stderr] 144 | id => { return Some(person); }, [INFO] [stderr] | -- matches any value [INFO] [stderr] 145 | _ => continue, [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/person.rs:144:17 [INFO] [stderr] | [INFO] [stderr] 144 | id => { return Some(person); }, [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/person.rs:141:27 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn get(&mut self, id: usize) -> Option<&mut Person> { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut mate_vec_1: PersonVec = pvec!(sim_size); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/person.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | pub fn get(&mut self, id: usize) -> Option<&mut Person> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "2765c095cade344cdd0d7fcc525c0193dabfcc762ab890c5292692b360890e7e"` [INFO] running `"docker" "rm" "-f" "2765c095cade344cdd0d7fcc525c0193dabfcc762ab890c5292692b360890e7e"` [INFO] [stdout] 2765c095cade344cdd0d7fcc525c0193dabfcc762ab890c5292692b360890e7e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cjneely10/rust_algorithms:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] ff1575cf8e5716812366f212ac2815ddf10ccb614f47da7cc98c37b55f439baa [INFO] running `"docker" "start" "-a" "ff1575cf8e5716812366f212ac2815ddf10ccb614f47da7cc98c37b55f439baa"` [INFO] [stderr] warning: unused manifest key: package.test [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/stable_matching-9de9ff5463581582 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test person::tests::test_get ... ok [INFO] [stdout] test person::tests::test_get_highest_preference ... ok [INFO] [stdout] test person::tests::test_engage ... ok [INFO] [stdout] test person::tests::test_has_free ... ok [INFO] [stdout] test person::tests::test_push ... ok [INFO] [stdout] test person::tests::test_is_free ... ok [INFO] [stdout] test person::tests::test_separate ... ok [INFO] [stdout] test person::tests::test_was_engaged_to ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- person::tests::test_was_engaged_to stdout ---- [INFO] [stdout] thread 'person::tests::test_was_engaged_to' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `true`, [INFO] [stdout] right: `false`', src/person.rs:331:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5588efe08e8b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5588efe08e8b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5588efe08e8b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5588efe08e8b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5588efe08e8b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5588efe08afa - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5588efe09600 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5588efe09182 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5588efe090cf - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5588efd5ad3e - stable_matching::person::tests::test_was_engaged_to::h68afbc74b764ea4a [INFO] [stdout] at src/person.rs:331 [INFO] [stdout] 10: 0x5588efd5a89a - stable_matching::person::tests::test_was_engaged_to::{{closure}}::h14b09e1cd031dd0c [INFO] [stdout] at src/person.rs:326 [INFO] [stdout] 11: 0x5588efd619be - core::ops::function::FnOnce::call_once::h92bef03d41022a3b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x5588efd7254f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x5588efe0beca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x5588efd8cb48 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5588efd8cb48 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x5588efd8cb48 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x5588efd679c5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x5588efd6bb45 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x5588efd6bb45 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x5588efd6bb45 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x5588efe0beca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x5588efd6c182 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x5588efd6c182 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5588efd6c182 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x5588efd6c182 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x5588efdfebaf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x5588efe0b300 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x5588efe0b300 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x5588efe0b300 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f21a8c824a4 - start_thread [INFO] [stdout] 31: 0x7f21a87add0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] person::tests::test_was_engaged_to [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin stable_matching' [INFO] running `"docker" "inspect" "ff1575cf8e5716812366f212ac2815ddf10ccb614f47da7cc98c37b55f439baa"` [INFO] running `"docker" "rm" "-f" "ff1575cf8e5716812366f212ac2815ddf10ccb614f47da7cc98c37b55f439baa"` [INFO] [stdout] ff1575cf8e5716812366f212ac2815ddf10ccb614f47da7cc98c37b55f439baa