[INFO] crate lettre 0.9.2 is already in cache [INFO] extracting crate lettre 0.9.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/lettre/0.9.2 [INFO] extracting crate lettre 0.9.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lettre/0.9.2 [INFO] validating manifest of lettre-0.9.2 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 lettre-0.9.2 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 lettre-0.9.2 [INFO] removed 2 missing examples [INFO] finished frobbing lettre-0.9.2 [INFO] frobbed toml for lettre-0.9.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/lettre/0.9.2/Cargo.toml [INFO] started frobbing lettre-0.9.2 [INFO] removed 2 missing examples [INFO] finished frobbing lettre-0.9.2 [INFO] frobbed toml for lettre-0.9.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lettre/0.9.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 lettre-0.9.2 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/reg/lettre/0.9.2:/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] 61cb7fd16b874c23dd70adf353a542765bca737a9a612c5e371a07cca5ea6ab5 [INFO] running `"docker" "start" "-a" "61cb7fd16b874c23dd70adf353a542765bca737a9a612c5e371a07cca5ea6ab5"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smtp_gmail.rs [INFO] [stderr] * /opt/crater/workdir/examples/smtp.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling ascii_utils v0.9.3 [INFO] [stderr] Compiling fast_chemail v0.9.6 [INFO] [stderr] Compiling lettre v0.9.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/file/error.rs:37:32 [INFO] [stderr] | [INFO] [stderr] 37 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sendmail/error.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/smtp/client/mod.rs:196:44 [INFO] [stderr] | [INFO] [stderr] 196 | pub fn message(&mut self, message: Box) -> SmtpResult { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/smtp/error.rs:74:32 [INFO] [stderr] | [INFO] [stderr] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:146:16 [INFO] [stderr] | [INFO] [stderr] 146 | Reader(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:22 [INFO] [stderr] | [INFO] [stderr] 178 | message: Box, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.97s [INFO] running `"docker" "inspect" "61cb7fd16b874c23dd70adf353a542765bca737a9a612c5e371a07cca5ea6ab5"` [INFO] running `"docker" "rm" "-f" "61cb7fd16b874c23dd70adf353a542765bca737a9a612c5e371a07cca5ea6ab5"` [INFO] [stdout] 61cb7fd16b874c23dd70adf353a542765bca737a9a612c5e371a07cca5ea6ab5 [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/reg/lettre/0.9.2:/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] ac03555b410aa23cae9337c521b2fc22f0bf9999782f19c619543210335d4eb9 [INFO] running `"docker" "start" "-a" "ac03555b410aa23cae9337c521b2fc22f0bf9999782f19c619543210335d4eb9"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smtp_gmail.rs [INFO] [stderr] * /opt/crater/workdir/examples/smtp.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling lettre v0.9.2 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/file/error.rs:37:32 [INFO] [stderr] | [INFO] [stderr] 37 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sendmail/error.rs:33:32 [INFO] [stderr] | [INFO] [stderr] 33 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/smtp/client/mod.rs:196:44 [INFO] [stderr] | [INFO] [stderr] 196 | pub fn message(&mut self, message: Box) -> SmtpResult { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/smtp/error.rs:74:32 [INFO] [stderr] | [INFO] [stderr] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:146:16 [INFO] [stderr] | [INFO] [stderr] 146 | Reader(Box), [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:178:22 [INFO] [stderr] | [INFO] [stderr] 178 | message: Box, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.20s [INFO] running `"docker" "inspect" "ac03555b410aa23cae9337c521b2fc22f0bf9999782f19c619543210335d4eb9"` [INFO] running `"docker" "rm" "-f" "ac03555b410aa23cae9337c521b2fc22f0bf9999782f19c619543210335d4eb9"` [INFO] [stdout] ac03555b410aa23cae9337c521b2fc22f0bf9999782f19c619543210335d4eb9 [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/reg/lettre/0.9.2:/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] 9f722b75c64dbea11e6cd33ff5ac29c8442fe8093744f503206189ee5bf02a31 [INFO] running `"docker" "start" "-a" "9f722b75c64dbea11e6cd33ff5ac29c8442fe8093744f503206189ee5bf02a31"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smtp_gmail.rs [INFO] [stderr] * /opt/crater/workdir/examples/smtp.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/lettre-c9512097a8ba91fa [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test smtp::authentication::test::test_xoauth2 ... ok [INFO] [stdout] test smtp::client::mock::test::write_take_test ... ok [INFO] [stdout] test smtp::authentication::test::test_plain ... ok [INFO] [stdout] test smtp::authentication::test::test_login ... ok [INFO] [stdout] test smtp::client::mock::test::clone_test ... ok [INFO] [stdout] test smtp::client::mock::test::read_with_vec_test ... ok [INFO] [stdout] test smtp::client::mock::test::swap_test ... ok [INFO] [stdout] test smtp::extension::test::test_extension_fmt ... ok [INFO] [stdout] test smtp::extension::test::test_serverinfo_fmt ... ok [INFO] [stdout] test smtp::response::test::test_category_fmt ... ok [INFO] [stdout] test smtp::commands::test::test_display ... ok [INFO] [stdout] test smtp::client::test::test_escape_crlf ... ok [INFO] [stdout] test smtp::response::test::test_code_new ... ok [INFO] [stdout] test smtp::response::test::test_code_display ... ok [INFO] [stdout] test smtp::response::test::test_response_first_line ... ok [INFO] [stdout] test smtp::response::test::test_response_first_word ... ok [INFO] [stdout] test smtp::extension::test::test_serverinfo ... ok [INFO] [stdout] test smtp::extension::test::test_clientid_fmt ... ok [INFO] [stdout] test smtp::response::test::test_severity_fmt ... ok [INFO] [stdout] test smtp::client::test::test_codec ... ok [INFO] [stdout] test smtp::util::tests::test ... ok [INFO] [stdout] test smtp::response::test::test_response_has_code ... ok [INFO] [stdout] test smtp::response::test::test_response_is_positive ... ok [INFO] [stdout] test smtp::response::test::test_response_from_str ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/r2d2_smtp-19a2f391947f174d [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/skeptic-721d86c34244951d [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test book_test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- book_test stdout ---- [INFO] [stdout] thread 'book_test' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5557bb61a98b - 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: 0x5557bb61a98b - 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: 0x5557bb61a98b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5557bb61a98b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5557bb61a98b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5557bb61a5fa - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5557bb61b100 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5557bb61ac82 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5557bb61ab66 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5557bb63578d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5557bb6356cc - core::panicking::panic::hedd9888e25456fbe [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 11: 0x5557bb607a85 - core::option::Option::unwrap::heb2b65224ba46284 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:12 [INFO] [stdout] 12: 0x5557bb59f0dc - skeptic::book_test::h5adeaafa55b95bdf [INFO] [stdout] at tests/skeptic.rs:29 [INFO] [stdout] 13: 0x5557bb59ef5a - skeptic::book_test::{{closure}}::h03b10c8b6c5b8476 [INFO] [stdout] at tests/skeptic.rs:26 [INFO] [stdout] 14: 0x5557bb59ae1e - core::ops::function::FnOnce::call_once::hccb2999790caecc3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x5557bb5acd5f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5557bb6221aa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x5557bb5c7358 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x5557bb5c7358 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x5557bb5c7358 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5557bb5a21d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x5557bb5a6355 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x5557bb5a6355 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x5557bb5a6355 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5557bb6221aa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x5557bb5a6992 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x5557bb5a6992 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x5557bb5a6992 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x5557bb5a6992 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5557bb60f1ef - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5557bb621900 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5557bb621900 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5557bb621900 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f00c6ddd4a4 - start_thread [INFO] [stdout] 34: 0x7f00c6908d0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] book_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test skeptic' [INFO] running `"docker" "inspect" "9f722b75c64dbea11e6cd33ff5ac29c8442fe8093744f503206189ee5bf02a31"` [INFO] running `"docker" "rm" "-f" "9f722b75c64dbea11e6cd33ff5ac29c8442fe8093744f503206189ee5bf02a31"` [INFO] [stdout] 9f722b75c64dbea11e6cd33ff5ac29c8442fe8093744f503206189ee5bf02a31