[INFO] cloning repository AuroransSolis/fractions_and_matrices [INFO] running `"git" "clone" "--bare" "git://github.com/AuroransSolis/fractions_and_matrices.git" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/AuroransSolis/fractions_and_matrices'... [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/AuroransSolis/fractions_and_matrices'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1c9dc186e532e4fe050bd19d9dfdadb6e3931d69 [INFO] sha for GitHub repo AuroransSolis/fractions_and_matrices: 1c9dc186e532e4fe050bd19d9dfdadb6e3931d69 [INFO] validating manifest of AuroransSolis/fractions_and_matrices on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AuroransSolis/fractions_and_matrices on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AuroransSolis/fractions_and_matrices [INFO] finished frobbing AuroransSolis/fractions_and_matrices [INFO] frobbed toml for AuroransSolis/fractions_and_matrices written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices/Cargo.toml [INFO] started frobbing AuroransSolis/fractions_and_matrices [INFO] finished frobbing AuroransSolis/fractions_and_matrices [INFO] frobbed toml for AuroransSolis/fractions_and_matrices written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/AuroransSolis/fractions_and_matrices/Cargo.toml [INFO] crate AuroransSolis/fractions_and_matrices already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing AuroransSolis/fractions_and_matrices against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 04af507ad8a6a3f82dc7c1ce12e90a9fc70726a92377c3c95b85962d4e77d29f [INFO] running `"docker" "start" "-a" "04af507ad8a6a3f82dc7c1ce12e90a9fc70726a92377c3c95b85962d4e77d29f"` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling fractions_and_matrices v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:141:42 [INFO] [stderr] | [INFO] [stderr] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:149:42 [INFO] [stderr] | [INFO] [stderr] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.90s [INFO] running `"docker" "inspect" "04af507ad8a6a3f82dc7c1ce12e90a9fc70726a92377c3c95b85962d4e77d29f"` [INFO] running `"docker" "rm" "-f" "04af507ad8a6a3f82dc7c1ce12e90a9fc70726a92377c3c95b85962d4e77d29f"` [INFO] [stdout] 04af507ad8a6a3f82dc7c1ce12e90a9fc70726a92377c3c95b85962d4e77d29f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] e42bbf779c72304a3e1a318e5eac877167b22bac7d417e19ec4f90aaf72366bb [INFO] running `"docker" "start" "-a" "e42bbf779c72304a3e1a318e5eac877167b22bac7d417e19ec4f90aaf72366bb"` [INFO] [stderr] Compiling fractions_and_matrices v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:37 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fractions/macros.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let (mut start, mut end) = num_string_tmp.split_at_mut(decimal_ind); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] ::: src/fractions/base.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | into_frac_float!{f32 f64} [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:141:42 [INFO] [stderr] | [INFO] [stderr] 141 | self[(target, b)] += self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/matrices/transforms.rs:149:42 [INFO] [stderr] | [INFO] [stderr] 149 | self[(target, b)] -= self[(tool, b)].clone(); [INFO] [stderr] | ---------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 1028 | transforms_impl!{Matrix: Matrix, AugmentedMatrix: AugmentedMatrix} [INFO] [stderr] | ------------------------------------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.77s [INFO] running `"docker" "inspect" "e42bbf779c72304a3e1a318e5eac877167b22bac7d417e19ec4f90aaf72366bb"` [INFO] running `"docker" "rm" "-f" "e42bbf779c72304a3e1a318e5eac877167b22bac7d417e19ec4f90aaf72366bb"` [INFO] [stdout] e42bbf779c72304a3e1a318e5eac877167b22bac7d417e19ec4f90aaf72366bb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/AuroransSolis/fractions_and_matrices:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] b8a5ab76488a3147a255ddc308daaa80b93d2f18ddf3ad28746dccec7b344cdd [INFO] running `"docker" "start" "-a" "b8a5ab76488a3147a255ddc308daaa80b93d2f18ddf3ad28746dccec7b344cdd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/fractions_and_matrices-a515c97bb420f8ca [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test tests::alignment_test ... ok [INFO] [stdout] test tests::column_aligned_index_test ... ok [INFO] [stdout] test tests::column_align_eq_test ... ok [INFO] [stdout] test tests::row_aligned_index_test ... ok [INFO] [stdout] test tests::row_align_eq_test ... ok [INFO] [stdout] test tests::rows_test ... ok [INFO] [stdout] test tests::there_and_back ... ok [INFO] [stdout] test tests::wewe ... ok [INFO] [stdout] test tests::index_methods_test ... ok [INFO] [stdout] test tests::partial_eq_test ... ok [INFO] [stdout] test tests::columns_test ... ok [INFO] [stdout] test tests::matrix_macro_test ... ok [INFO] [stdout] test tests::possible_ref_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::possible_ref_test stdout ---- [INFO] [stdout] Start: [INFO] [stdout] ⎡ 1 6 -10 ⎤ [INFO] [stdout] ⎢ 1 3 1 ⎥ [INFO] [stdout] ⎣ 0 -3 6 ⎦ [INFO] [stdout] Attempting REF. [INFO] [stdout] foo: [INFO] [stdout] ⎡ 1 6 -10 ⎤ [INFO] [stdout] ⎢ 0 1 -11 / 3 ⎥ [INFO] [stdout] ⎣ 0 0 1 ⎦ [INFO] [stdout] Steps: ["------- REF -------", "R1 - (1) * R0 -> R1", "R1 / (-3) -> R1", "R2 - (-3) * R1 -> R2", "R2 / (-5) -> R2"] [INFO] [stdout] thread 'tests::possible_ref_test' panicked at 'assertion failed: !foo.is_row_reduced()', src/lib.rs:177:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563f371cf89b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x563f371cf89b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x563f371cf89b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x563f371cf89b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x563f371cf89b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x563f371cf52f - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x563f371d0010 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x563f371bdfd8 - std::panicking::begin_panic::hbbe6d508d0a0e3e5 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409 [INFO] [stdout] 8: 0x563f3715f29a - fractions_and_matrices::tests::possible_ref_test::h98061b702057c11e [INFO] [stdout] at src/lib.rs:177 [INFO] [stdout] 9: 0x563f3715ee8a - fractions_and_matrices::tests::possible_ref_test::{{closure}}::h229802a1f63a1871 [INFO] [stdout] at src/lib.rs:165 [INFO] [stdout] 10: 0x563f3716c65e - core::ops::function::FnOnce::call_once::ha4cf060649b1d148 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x563f37184e0f - as core::ops::function::FnOnce>::call_once::h051e7835d417eabd [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: 0x563f371d2b9a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 13: 0x563f3719f7e8 - std::panicking::try::h2a4c737ee7913c25 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 14: 0x563f3719f7e8 - std::panic::catch_unwind::hb4a850da3c0f461d [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 15: 0x563f3719f7e8 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 16: 0x563f3717a385 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 17: 0x563f3717e315 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stdout] 18: 0x563f3717e315 - as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stdout] 19: 0x563f3717e315 - std::panicking::try::do_call::h0eb4a0e045c14646 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stdout] 20: 0x563f371d2b9a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 21: 0x563f3717e932 - std::panicking::try::h20774757cea1a66c [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stdout] 22: 0x563f3717e932 - std::panic::catch_unwind::h38e40a373c8b5452 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stdout] 23: 0x563f3717e932 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stdout] 24: 0x563f3717e932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: 0x563f371c58bf - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: 0x563f371d22e0 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stdout] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x563f371d22e0 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 28: 0x563f371d22e0 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7f30986f34a4 - start_thread [INFO] [stdout] 30: 0x7f309821ed0f - __clone [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::possible_ref_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "b8a5ab76488a3147a255ddc308daaa80b93d2f18ddf3ad28746dccec7b344cdd"` [INFO] running `"docker" "rm" "-f" "b8a5ab76488a3147a255ddc308daaa80b93d2f18ddf3ad28746dccec7b344cdd"` [INFO] [stdout] b8a5ab76488a3147a255ddc308daaa80b93d2f18ddf3ad28746dccec7b344cdd