[INFO] updating cached repository AuroransSolis/fractions_and_matrices [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AuroransSolis/fractions_and_matrices [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/beta-1.37-6/sources/1.36.0/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AuroransSolis/fractions_and_matrices'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AuroransSolis/fractions_and_matrices" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AuroransSolis/fractions_and_matrices"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 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 AuroransSolis/fractions_and_matrices 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 AuroransSolis/fractions_and_matrices [INFO] finished frobbing AuroransSolis/fractions_and_matrices [INFO] frobbed toml for AuroransSolis/fractions_and_matrices written to work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+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 AuroransSolis/fractions_and_matrices 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] e12a525ed18998acaa2325ad88189795f49f9f60bf50dbfa70df715c9f0ea1f8 [INFO] running `"docker" "start" "-a" "e12a525ed18998acaa2325ad88189795f49f9f60bf50dbfa70df715c9f0ea1f8"` [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.0 [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] [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] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.54s [INFO] running `"docker" "inspect" "e12a525ed18998acaa2325ad88189795f49f9f60bf50dbfa70df715c9f0ea1f8"` [INFO] running `"docker" "rm" "-f" "e12a525ed18998acaa2325ad88189795f49f9f60bf50dbfa70df715c9f0ea1f8"` [INFO] [stdout] e12a525ed18998acaa2325ad88189795f49f9f60bf50dbfa70df715c9f0ea1f8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] bbce0a0043c9c4d84233773d6f8c95a26a7e3b386e745f393d8388c6b079659c [INFO] running `"docker" "start" "-a" "bbce0a0043c9c4d84233773d6f8c95a26a7e3b386e745f393d8388c6b079659c"` [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] [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] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.22s [INFO] running `"docker" "inspect" "bbce0a0043c9c4d84233773d6f8c95a26a7e3b386e745f393d8388c6b079659c"` [INFO] running `"docker" "rm" "-f" "bbce0a0043c9c4d84233773d6f8c95a26a7e3b386e745f393d8388c6b079659c"` [INFO] [stdout] bbce0a0043c9c4d84233773d6f8c95a26a7e3b386e745f393d8388c6b079659c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] b0acabfc3c452688046fe7782d106549e945faa59e6832b4debbc13217668d2c [INFO] running `"docker" "start" "-a" "b0acabfc3c452688046fe7782d106549e945faa59e6832b4debbc13217668d2c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/fractions_and_matrices-0ea8b580d804ea5e [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test tests::alignment_test ... ok [INFO] [stdout] test tests::columns_test ... ok [INFO] [stdout] test tests::column_aligned_index_test ... ok [INFO] [stdout] test tests::index_methods_test ... ok [INFO] [stdout] test tests::partial_eq_test ... ok [INFO] [stdout] test tests::rows_test ... ok [INFO] [stdout] test tests::row_align_eq_test ... ok [INFO] [stdout] test tests::wewe ... ok [INFO] [stdout] test tests::there_and_back ... ok [INFO] [stdout] test tests::matrix_macro_test ... ok [INFO] [stdout] test tests::row_aligned_index_test ... ok [INFO] [stdout] test tests::column_align_eq_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: 0x563c834ada83 - 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: 0x563c834a93bb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x563c834ac7c6 - 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: 0x563c834ac4ee - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x563c834acecf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x563c83499417 - std::panicking::begin_panic::h67e6b9e28ae6a64e [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x563c8343b179 - fractions_and_matrices::tests::possible_ref_test::hc54bd09dfe3f418f [INFO] [stdout] at src/lib.rs:177 [INFO] [stdout] 7: 0x563c8343ad69 - fractions_and_matrices::tests::possible_ref_test::{{closure}}::hcc2ae3c80a73d1f0 [INFO] [stdout] at src/lib.rs:165 [INFO] [stdout] 8: 0x563c834476ed - core::ops::function::FnOnce::call_once::hcf051816377de879 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x563c83460b5e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x563c834afbe9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x563c8347b457 - 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: 0x563c83455e74 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x563c83459f24 - 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: 0x563c834afbe9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x563c8345a531 - 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: 0x563c834a119e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x563c834af2cf - 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: 0x7f1979bd84a3 - start_thread [INFO] [stdout] 19: 0x7f1979703d0e - __clone [INFO] [stdout] 20: 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" "b0acabfc3c452688046fe7782d106549e945faa59e6832b4debbc13217668d2c"` [INFO] running `"docker" "rm" "-f" "b0acabfc3c452688046fe7782d106549e945faa59e6832b4debbc13217668d2c"` [INFO] [stdout] b0acabfc3c452688046fe7782d106549e945faa59e6832b4debbc13217668d2c