[INFO] crate postgres-openssl 0.1.0 is already in cache
[INFO] extracting crate postgres-openssl 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/postgres-openssl/0.1.0
[INFO] extracting crate postgres-openssl 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/postgres-openssl/0.1.0
[INFO] validating manifest of postgres-openssl-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of postgres-openssl-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing postgres-openssl-0.1.0
[INFO] finished frobbing postgres-openssl-0.1.0
[INFO] frobbed toml for postgres-openssl-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/postgres-openssl/0.1.0/Cargo.toml
[INFO] started frobbing postgres-openssl-0.1.0
[INFO] finished frobbing postgres-openssl-0.1.0
[INFO] frobbed toml for postgres-openssl-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/postgres-openssl/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing postgres-openssl-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/postgres-openssl/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 3b19c5c91131aff54cfa7214b684ad5d8ffb8fc77cb32442b10ab2b40af8df57
[INFO] running `"docker" "start" "-a" "3b19c5c91131aff54cfa7214b684ad5d8ffb8fc77cb32442b10ab2b40af8df57"`
[INFO] [stderr]    Compiling postgres-openssl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "3b19c5c91131aff54cfa7214b684ad5d8ffb8fc77cb32442b10ab2b40af8df57"`
[INFO] running `"docker" "rm" "-f" "3b19c5c91131aff54cfa7214b684ad5d8ffb8fc77cb32442b10ab2b40af8df57"`
[INFO] [stdout] 3b19c5c91131aff54cfa7214b684ad5d8ffb8fc77cb32442b10ab2b40af8df57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/postgres-openssl/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f90ed22c6c368133793f356b9c092636c015320afe04369717ba29d021f0c84d
[INFO] running `"docker" "start" "-a" "f90ed22c6c368133793f356b9c092636c015320afe04369717ba29d021f0c84d"`
[INFO] [stderr]    Compiling postgres-openssl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "f90ed22c6c368133793f356b9c092636c015320afe04369717ba29d021f0c84d"`
[INFO] running `"docker" "rm" "-f" "f90ed22c6c368133793f356b9c092636c015320afe04369717ba29d021f0c84d"`
[INFO] [stdout] f90ed22c6c368133793f356b9c092636c015320afe04369717ba29d021f0c84d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/postgres-openssl/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 21a797eea3972d4648e9e9144c565f6b04374e9edc2f26cff49c6f99750cf6b0
[INFO] running `"docker" "start" "-a" "21a797eea3972d4648e9e9144c565f6b04374e9edc2f26cff49c6f99750cf6b0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/postgres_openssl-b870e0533dfdfe87
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::require ... FAILED
[INFO] [stdout] test test::prefer ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::require stdout ----
[INFO] [stdout] thread 'test::require' panicked at 'called `Result::unwrap()` on an `Err` value: ErrorStack([Error { code: 33558530, library: "system library", function: "fopen", reason: "No such file or directory", file: "../crypto/bio/bss_file.c", line: 74, data: "fopen(\'../test/server.crt\',\'r\')" }, Error { code: 537317504, library: "BIO routines", function: "BIO_new_file", reason: "no such file", file: "../crypto/bio/bss_file.c", line: 81 }, Error { code: 185090050, library: "x509 certificate routines", function: "X509_load_cert_crl_file", reason: "system lib", file: "../crypto/x509/by_file.c", line: 199 }])', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55643e461263 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55643e45c7eb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55643e45f786 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55643e45f487 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55643e45fe90 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55643e45fa11 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55643e45f8f5 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55643e47306c - core::panicking::panic_fmt::h3dc182ff7fefc0c0
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55643e442067 - core::result::unwrap_failed::hf82d54ef9b8a1507
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55643e441820 - <core::result::Result<T, E>>::unwrap::hb117cc4653c6f2bf
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:798
[INFO] [stdout]   10:     0x55643e2b5f21 - postgres_openssl::test::require::h2af1ef279ef5d320
[INFO] [stdout]                                at src/test.rs:9
[INFO] [stdout]   11:     0x55643e2b5e79 - postgres_openssl::test::require::{{closure}}::ha5fc8cec695e92c5
[INFO] [stdout]                                at src/test.rs:7
[INFO] [stdout]   12:     0x55643e2b98ad - core::ops::function::FnOnce::call_once::h5a6a85ac8ae0f84b
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55643e2c778e - <F as alloc::boxed::FnBox<A>>::call_box::h6b39ff82621fe3f5
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55643e463ee9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55643e2e4a17 - test::run_test::run_test_inner::{{closure}}::h57942e399d1cc807
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55643e2c01d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55643e2c08a4 - std::panicking::try::do_call::hf5b2072d080453d1
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55643e463ee9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55643e2c7a0c - <F as alloc::boxed::FnBox<A>>::call_box::hf0a5ea81172c4bf3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55643e46369d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7fa6b218b493 - start_thread
[INFO] [stdout]   22:     0x7fa6b1cb6ace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::prefer stdout ----
[INFO] [stdout] thread 'test::prefer' panicked at 'called `Result::unwrap()` on an `Err` value: ErrorStack([Error { code: 33558530, library: "system library", function: "fopen", reason: "No such file or directory", file: "../crypto/bio/bss_file.c", line: 74, data: "fopen(\'../test/server.crt\',\'r\')" }, Error { code: 537317504, library: "BIO routines", function: "BIO_new_file", reason: "no such file", file: "../crypto/bio/bss_file.c", line: 81 }, Error { code: 185090050, library: "x509 certificate routines", function: "X509_load_cert_crl_file", reason: "system lib", file: "../crypto/x509/by_file.c", line: 199 }])', src/libcore/result.rs:997:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55643e461263 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55643e45c7eb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55643e45f786 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55643e45f487 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55643e45fe90 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55643e45fa11 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55643e45f8f5 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:312
[INFO] [stdout]    7:     0x55643e47306c - core::panicking::panic_fmt::h3dc182ff7fefc0c0
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]    8:     0x55643e442067 - core::result::unwrap_failed::hf82d54ef9b8a1507
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16
[INFO] [stdout]    9:     0x55643e441820 - <core::result::Result<T, E>>::unwrap::hb117cc4653c6f2bf
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:798
[INFO] [stdout]   10:     0x55643e2b6171 - postgres_openssl::test::prefer::h7ea17ae7263a607b
[INFO] [stdout]                                at src/test.rs:21
[INFO] [stdout]   11:     0x55643e2b60c9 - postgres_openssl::test::prefer::{{closure}}::h542b2e75acd2def4
[INFO] [stdout]                                at src/test.rs:19
[INFO] [stdout]   12:     0x55643e2b996d - core::ops::function::FnOnce::call_once::hac4eca58c703ad58
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55643e2c778e - <F as alloc::boxed::FnBox<A>>::call_box::h6b39ff82621fe3f5
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55643e463ee9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55643e2e4a17 - test::run_test::run_test_inner::{{closure}}::h57942e399d1cc807
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55643e2c01d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h85c77ad9ddf8fba3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55643e2c08a4 - std::panicking::try::do_call::hf5b2072d080453d1
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55643e463ee9 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55643e2c7a0c - <F as alloc::boxed::FnBox<A>>::call_box::hf0a5ea81172c4bf3
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55643e46369d - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stdout]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7fa6b218b493 - start_thread
[INFO] [stdout]   22:     0x7fa6b1cb6ace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::prefer
[INFO] [stdout]     test::require
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "21a797eea3972d4648e9e9144c565f6b04374e9edc2f26cff49c6f99750cf6b0"`
[INFO] running `"docker" "rm" "-f" "21a797eea3972d4648e9e9144c565f6b04374e9edc2f26cff49c6f99750cf6b0"`
[INFO] [stdout] 21a797eea3972d4648e9e9144c565f6b04374e9edc2f26cff49c6f99750cf6b0