[INFO] fetching crate siraph 0.1.2...
[INFO] testing siraph-0.1.2 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate siraph 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate siraph 0.1.2
[INFO] finished tweaking crates.io crate siraph 0.1.2
[INFO] tweaked toml for crates.io crate siraph 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate siraph 0.1.2 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbaf9729ea6bffc91a9f57afc6a738710bfe1ef7ea5b10783df8be4c91fd78d3
[INFO] running `Command { std: "docker" "start" "-a" "bbaf9729ea6bffc91a9f57afc6a738710bfe1ef7ea5b10783df8be4c91fd78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbaf9729ea6bffc91a9f57afc6a738710bfe1ef7ea5b10783df8be4c91fd78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbaf9729ea6bffc91a9f57afc6a738710bfe1ef7ea5b10783df8be4c91fd78d3", kill_on_drop: false }`
[INFO] [stdout] bbaf9729ea6bffc91a9f57afc6a738710bfe1ef7ea5b10783df8be4c91fd78d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 22ef69d5016f0bc903906af98e02a8d2e51f23b58df504af520127a56a4c8088
[INFO] running `Command { std: "docker" "start" "-a" "22ef69d5016f0bc903906af98e02a8d2e51f23b58df504af520127a56a4c8088", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynvec v0.1.4
[INFO] [stderr]    Compiling siraph v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies {
[INFO] [stdout]     |                     ^^^^^                       ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "22ef69d5016f0bc903906af98e02a8d2e51f23b58df504af520127a56a4c8088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ef69d5016f0bc903906af98e02a8d2e51f23b58df504af520127a56a4c8088", kill_on_drop: false }`
[INFO] [stdout] 22ef69d5016f0bc903906af98e02a8d2e51f23b58df504af520127a56a4c8088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] b53ce64781508a12918af79d823d9d3b2bdb629494ea0b41976712e13e399706
[INFO] running `Command { std: "docker" "start" "-a" "b53ce64781508a12918af79d823d9d3b2bdb629494ea0b41976712e13e399706", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies {
[INFO] [stdout]     |                     ^^^^^                       ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling siraph v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies {
[INFO] [stdout]     |                     ^^^^^                       ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b53ce64781508a12918af79d823d9d3b2bdb629494ea0b41976712e13e399706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53ce64781508a12918af79d823d9d3b2bdb629494ea0b41976712e13e399706", kill_on_drop: false }`
[INFO] [stdout] b53ce64781508a12918af79d823d9d3b2bdb629494ea0b41976712e13e399706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] d5ce7405de7dd952efdcd8c5fd9518fce8b86bf45bff2158b3567a638eeee074
[INFO] running `Command { std: "docker" "start" "-a" "d5ce7405de7dd952efdcd8c5fd9518fce8b86bf45bff2158b3567a638eeee074", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/graph.rs:151:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies {
[INFO] [stderr]     |                     ^^^^^                       ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn dependencies(&self, node: NodeHandle) -> Dependencies<'_> {
[INFO] [stderr]     |                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `siraph` (lib) generated 1 warning (run `cargo fix --lib -p siraph` to apply 1 suggestion)
[INFO] [stderr] warning: `siraph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/siraph/73dc61f623b4e8f7/deps/siraph-73dc61f623b4e8f7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/build/siraph/0367cbc9799e8f43/deps/tests-0367cbc9799e8f43)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_basic_use ... ok
[INFO] [stdout] test test_basic_plug ... ok
[INFO] [stdout] test test_stable_node_handles ... ok
[INFO] [stdout] test test_cycle_simple - should panic ... ok
[INFO] [stdout] test test_cycle_multiple - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests siraph
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (65) panicked at src/node.rs:320:18:
[INFO] [stdout] misaligned pointer dereference: address must be a multiple of 0x4 but is 0x577f26350812
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x577f19437242 - std[840933623431fd06]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x577f19437242 - std[840933623431fd06]::backtrace_rs::backtrace::trace_unsynchronized::<std[840933623431fd06]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x577f19437242 - std[840933623431fd06]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x577f19437242 - <<std[840933623431fd06]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8f93d80df273fe75]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x577f194484ba - <core[8f93d80df273fe75]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x577f194484ba - core[8f93d80df273fe75]::fmt::write
[INFO] [stdout]    6:     0x577f1943b266 - std[840933623431fd06]::io::default_write_fmt::<std[840933623431fd06]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x577f1943b266 - <std[840933623431fd06]::sys::stdio::unix::Stderr as std[840933623431fd06]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x577f19421f2f - <std[840933623431fd06]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x577f19421f2f - std[840933623431fd06]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x577f19433161 - std[840933623431fd06]::panicking::default_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x577f1943331b - std[840933623431fd06]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x577f19421fe8 - std[840933623431fd06]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x577f19419bb9 - std[840933623431fd06]::sys::backtrace::__rust_end_short_backtrace::<std[840933623431fd06]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x577f1942290d - __rustc[5b4a0c6d8cc4a177]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x577f1944896d - core[8f93d80df273fe75]::panicking::panic_nounwind_fmt::runtime
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:122:22
[INFO] [stdout]   16:     0x577f1944896d - core[8f93d80df273fe75]::panicking::panic_nounwind_fmt
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stdout]   17:     0x577f19448b30 - core[8f93d80df273fe75]::panicking::panic_misaligned_pointer_dereference
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/panicking.rs:284:5
[INFO] [stdout]   18:     0x577f193fb11a - <siraph[b0995d8712d26b24]::node::OutputRef as core[8f93d80df273fe75]::convert::From<&siraph[b0995d8712d26b24]::node::Output<u32>>>::from::{closure#1}
[INFO] [stdout]   19:     0x577f19400fd8 - <<siraph[b0995d8712d26b24]::node::OutputRef as core[8f93d80df273fe75]::convert::From<&siraph[b0995d8712d26b24]::node::Output<u32>>>::from::{closure#1} as core[8f93d80df273fe75]::ops::function::FnOnce<(*mut (),)>>::call_once
[INFO] [stdout]   20:     0x577f1940679f - <siraph[b0995d8712d26b24]::node::OutputRef>::reset
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:295:17
[INFO] [stdout]   21:     0x577f194061e0 - <siraph[b0995d8712d26b24]::node::NodeWrapper>::reset
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:89:20
[INFO] [stdout]   22:     0x577f193f8656 - <siraph[b0995d8712d26b24]::graph::Graph>::sink::<u32, &str>
[INFO] [stdout]   23:     0x577f193fdbe6 - rust_out[c8cdd22bfd421af4]::main::_doctest_main_src_lib_rs_11_0
[INFO] [stdout]   24:     0x577f193fb226 - rust_out[c8cdd22bfd421af4]::main
[INFO] [stdout]   25:     0x577f19400d53 - <fn() as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   26:     0x577f193fa6d6 - std[840933623431fd06]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   27:     0x577f193fae89 - std[840933623431fd06]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   28:     0x577f19432756 - <&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync as core[8f93d80df273fe75]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   29:     0x577f19432756 - std[840933623431fd06]::panicking::catch_unwind::do_call::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x577f19432756 - std[840933623431fd06]::panicking::catch_unwind::<i32, &dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x577f19432756 - std[840933623431fd06]::panic::catch_unwind::<&dyn core[8f93d80df273fe75]::ops::function::Fn<(), Output = i32> + core[8f93d80df273fe75]::panic::unwind_safe::RefUnwindSafe + core[8f93d80df273fe75]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x577f19432756 - std[840933623431fd06]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:175:24
[INFO] [stdout]   33:     0x577f19432756 - std[840933623431fd06]::panicking::catch_unwind::do_call::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   34:     0x577f19432756 - std[840933623431fd06]::panicking::catch_unwind::<isize, std[840933623431fd06]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   35:     0x577f19432756 - std[840933623431fd06]::panic::catch_unwind::<std[840933623431fd06]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x577f19432756 - std[840933623431fd06]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/bd7d74411512a3dd3b35d2f699c51dd2557c7e7e/library/std/src/rt.rs:171:5
[INFO] [stdout]   37:     0x577f193fa301 - std[840933623431fd06]::rt::lang_start::<()>
[INFO] [stdout]   38:     0x577f19401055 - main
[INFO] [stdout]   39:     0x7a48e85361ca - <unknown>
[INFO] [stdout]   40:     0x7a48e853628b - __libc_start_main
[INFO] [stdout]   41:     0x577f193f5365 - _start
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] thread caused non-unwinding panic. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d5ce7405de7dd952efdcd8c5fd9518fce8b86bf45bff2158b3567a638eeee074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ce7405de7dd952efdcd8c5fd9518fce8b86bf45bff2158b3567a638eeee074", kill_on_drop: false }`
[INFO] [stdout] d5ce7405de7dd952efdcd8c5fd9518fce8b86bf45bff2158b3567a638eeee074
