[INFO] fetching crate reax 0.2.0...
[INFO] testing reax-0.2.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate reax 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate reax 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reax 0.2.0
[INFO] finished tweaking crates.io crate reax 0.2.0
[INFO] tweaked toml for crates.io crate reax 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate reax 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e9f557ac130583404052f7298ab721e807d77915cc52277eb880ff26d51cf0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4e9f557ac130583404052f7298ab721e807d77915cc52277eb880ff26d51cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e9f557ac130583404052f7298ab721e807d77915cc52277eb880ff26d51cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e9f557ac130583404052f7298ab721e807d77915cc52277eb880ff26d51cf0", kill_on_drop: false }`
[INFO] [stdout] b4e9f557ac130583404052f7298ab721e807d77915cc52277eb880ff26d51cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5891367970e69094c1cac80f5f712ce2999b291401d1ba7ea5428ce710d1610
[INFO] running `Command { std: "docker" "start" "-a" "c5891367970e69094c1cac80f5f712ce2999b291401d1ba7ea5428ce710d1610", kill_on_drop: false }`
[INFO] [stderr]    Compiling reax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "c5891367970e69094c1cac80f5f712ce2999b291401d1ba7ea5428ce710d1610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5891367970e69094c1cac80f5f712ce2999b291401d1ba7ea5428ce710d1610", kill_on_drop: false }`
[INFO] [stdout] c5891367970e69094c1cac80f5f712ce2999b291401d1ba7ea5428ce710d1610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50ccbe93008f291768e0bdfea4eec4b0caa171a2467f89a57a93fb3d7fe2e30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a50ccbe93008f291768e0bdfea4eec4b0caa171a2467f89a57a93fb3d7fe2e30", kill_on_drop: false }`
[INFO] [stderr]    Compiling reax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     waker: fn(*const ()),
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stdout]    --> src/handler.rs:194:16
[INFO] [stdout]     |
[INFO] [stdout] 194 |     finalizer: fn(*const ()),
[INFO] [stdout]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stdout]    --> src/handler.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "a50ccbe93008f291768e0bdfea4eec4b0caa171a2467f89a57a93fb3d7fe2e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50ccbe93008f291768e0bdfea4eec4b0caa171a2467f89a57a93fb3d7fe2e30", kill_on_drop: false }`
[INFO] [stdout] a50ccbe93008f291768e0bdfea4eec4b0caa171a2467f89a57a93fb3d7fe2e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a140bb0f77a57423d9af958cb9a5fdef47077d9c8eca3dfc20b526db1b0a4743
[INFO] running `Command { std: "docker" "start" "-a" "a140bb0f77a57423d9af958cb9a5fdef47077d9c8eca3dfc20b526db1b0a4743", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     waker: fn(*const ()),
[INFO] [stderr]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:194:16
[INFO] [stderr]     |
[INFO] [stderr] 194 |     finalizer: fn(*const ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stderr]    --> src/handler.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     waker: fn(*const ()),
[INFO] [stderr]     |            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*const ())`, which is not FFI-safe
[INFO] [stderr]    --> src/handler.rs:194:16
[INFO] [stderr]     |
[INFO] [stderr] 194 |     finalizer: fn(*const ()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `ManuallyDrop::<T>::new` that must be used
[INFO] [stderr]    --> src/handler.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     ManuallyDrop::new(arc.clone());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the wrapper, you can use `mem::forget` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reax-e408b194947774bd
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test idset::test_idset_contains ... ok
[INFO] [stdout] test idset::test_idset_remove ... ok
[INFO] [stdout] test idset::test_idset_len ... ok
[INFO] [stdout] test idset::test_idset_insert ... ok
[INFO] [stdout] test idset::test_idset_drain ... ok
[INFO] [stdout] test idset::test_idset_remove_insert ... ok
[INFO] [stderr]    Doc-tests reax
[INFO] [stdout] test idset::test_idset_insert_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/system.rs - system::ComputationHandle (line 193) ... ok
[INFO] [stdout] test src/lib.rs - Var<T>::set (line 518) ... ok
[INFO] [stdout] test src/lib.rs - computed (line 762) ... ok
[INFO] [stdout] test src/lib.rs - Var<T>::mutate (line 544) ... ok
[INFO] [stdout] test src/system.rs - system::Node::computation (line 288) ... ok
[INFO] [stdout] test src/lib.rs - EagerCompute::install (line 625) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... FAILED
[INFO] [stdout] test src/lib.rs - EagerCompute::watch (line 734) ... ok
[INFO] [stdout] test src/lib.rs - (line 218) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 26) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] digraph {
[INFO] [stdout] 1 [label="name", color=red];
[INFO] [stdout] 0 [label="number", color=red];
[INFO] [stdout] 3 [label="printout", color=black];
[INFO] [stdout] 2 [label="formatted", color=black];
[INFO] [stdout] 1 -> 3;
[INFO] [stdout] 2 -> 3;
[INFO] [stdout] 0 -> 2;
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:40:3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56271e448d60 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x56271e448d60 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x56271e448d60 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x56271e448d60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x56271e46198c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56271e447102 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x56271e44ae8d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x56271e44ae8d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x56271e44ae8d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]    9:     0x56271e44ab38 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout]   10:     0x56271e44b511 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   11:     0x56271e44b0b9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   12:     0x56271e4491ec - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x56271e44b079 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   14:     0x56271e460ca1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x56271e460ac3 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   16:     0x56271e41491b - core::result::Result<T,E>::unwrap::hc30f19f5bd7f3505
[INFO] [stdout]   17:     0x56271e418acc - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x56271e412933 - core::ops::function::FnOnce::call_once::h5c25fabf55f68cb0
[INFO] [stdout]   19:     0x56271e4111a9 - std::sys_common::backtrace::__rust_begin_short_backtrace::he48b78818c6bb8fc
[INFO] [stdout]   20:     0x56271e411a29 - std::rt::lang_start::{{closure}}::h2090de6a9fc357b8
[INFO] [stdout]   21:     0x56271e44b937 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x56271e44b937 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x56271e44b937 - std::panicking::try::h8815656b2b76e792
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x56271e44b937 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x56271e44b937 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x56271e411a08 - std::rt::lang_start::h5654c047948033d3
[INFO] [stdout]   27:     0x56271e418ddb - main
[INFO] [stdout]   28:     0x7f604d69d0b3 - __libc_start_main
[INFO] [stdout]   29:     0x56271e4110ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 26)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a140bb0f77a57423d9af958cb9a5fdef47077d9c8eca3dfc20b526db1b0a4743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a140bb0f77a57423d9af958cb9a5fdef47077d9c8eca3dfc20b526db1b0a4743", kill_on_drop: false }`
[INFO] [stdout] a140bb0f77a57423d9af958cb9a5fdef47077d9c8eca3dfc20b526db1b0a4743
