[INFO] fetching crate figleter 0.2.2...
[INFO] testing figleter-0.2.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate figleter 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate figleter 0.2.2
[INFO] finished tweaking crates.io crate figleter 0.2.2
[INFO] tweaked toml for crates.io crate figleter 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate figleter 0.2.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c9b77fe7d6f076b8ae91af94df09055eab0cf9d714db89ce180cfc457aac98
[INFO] running `Command { std: "docker" "start" "-a" "68c9b77fe7d6f076b8ae91af94df09055eab0cf9d714db89ce180cfc457aac98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c9b77fe7d6f076b8ae91af94df09055eab0cf9d714db89ce180cfc457aac98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c9b77fe7d6f076b8ae91af94df09055eab0cf9d714db89ce180cfc457aac98", kill_on_drop: false }`
[INFO] [stdout] 68c9b77fe7d6f076b8ae91af94df09055eab0cf9d714db89ce180cfc457aac98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a59d37e8965925601ac0690ab2c78feb92eb6dae6f77e453534f5968ec29041
[INFO] running `Command { std: "docker" "start" "-a" "8a59d37e8965925601ac0690ab2c78feb92eb6dae6f77e453534f5968ec29041", kill_on_drop: false }`
[INFO] [stderr]    Compiling figleter v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure> {
[INFO] [stdout]     |                    ^^^^^                           ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure<'_>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "8a59d37e8965925601ac0690ab2c78feb92eb6dae6f77e453534f5968ec29041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a59d37e8965925601ac0690ab2c78feb92eb6dae6f77e453534f5968ec29041", kill_on_drop: false }`
[INFO] [stdout] 8a59d37e8965925601ac0690ab2c78feb92eb6dae6f77e453534f5968ec29041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1563883d837b887d80d957bc5ece3c3444f350410e442bd53ea54b326551d8f
[INFO] running `Command { std: "docker" "start" "-a" "d1563883d837b887d80d957bc5ece3c3444f350410e442bd53ea54b326551d8f", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure> {
[INFO] [stdout]     |                    ^^^^^                           ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure<'_>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling figleter v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:273:20
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure> {
[INFO] [stdout]     |                    ^^^^^                           ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure<'_>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "d1563883d837b887d80d957bc5ece3c3444f350410e442bd53ea54b326551d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1563883d837b887d80d957bc5ece3c3444f350410e442bd53ea54b326551d8f", kill_on_drop: false }`
[INFO] [stdout] d1563883d837b887d80d957bc5ece3c3444f350410e442bd53ea54b326551d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a2f2d42a4b432cafa93ce7e47755b87b5f3b1888dc726ef204ed6dacfd3f79a
[INFO] running `Command { std: "docker" "start" "-a" "7a2f2d42a4b432cafa93ce7e47755b87b5f3b1888dc726ef204ed6dacfd3f79a", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:273:20
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure> {
[INFO] [stderr]     |                    ^^^^^                           ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn convert(&self, message: &str) -> Option<FIGure<'_>> {
[INFO] [stderr]     |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `figleter` (lib) generated 1 warning
[INFO] [stderr] warning: `figleter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/figleter-387d94c36daf6970)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_new_headerline ... ok
[INFO] [stdout] test tests::test_convert ... ok
[INFO] [stdout] test tests::test_new_figfont ... ok
[INFO] [stdout] test tests::test_convert_with_kerning ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests figleter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:11:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "Os { code: 2, kind: NotFound, message: \"No such file or directory\" }"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62f7c64c88a2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62f7c64c88a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62f7c64c88a2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62f7c64c88a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62f7c64e4d43 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62f7c64e4d43 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x62f7c64c64a3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62f7c64c64a3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62f7c64c86f2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62f7c64c9766 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x62f7c64c9569 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x62f7c64ca032 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x62f7c64c9eca - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x62f7c64c8d99 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x62f7c64c9b5d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x62f7c64e4030 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x62f7c64e43a6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x62f7c64a261a - rust_out::main::_doctest_main_src_lib_rs_10_0::he88a139f2563dc69
[INFO] [stdout]   18:     0x62f7c64a23d6 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x62f7c64a1683 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x62f7c64a1666 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x62f7c64a1649 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x62f7c64c3960 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x62f7c64c3960 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x62f7c64c3960 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x62f7c64c3960 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x62f7c64c3960 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x62f7c64c3960 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x62f7c64c3960 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x62f7c64c3960 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x62f7c64c3960 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x62f7c64a1631 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x62f7c64a27a5 - main
[INFO] [stdout]   33:     0x79f4bf11b1ca - <unknown>
[INFO] [stdout]   34:     0x79f4bf11b28b - __libc_start_main
[INFO] [stdout]   35:     0x62f7c64a1545 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7a2f2d42a4b432cafa93ce7e47755b87b5f3b1888dc726ef204ed6dacfd3f79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2f2d42a4b432cafa93ce7e47755b87b5f3b1888dc726ef204ed6dacfd3f79a", kill_on_drop: false }`
[INFO] [stdout] 7a2f2d42a4b432cafa93ce7e47755b87b5f3b1888dc726ef204ed6dacfd3f79a
