[INFO] fetching crate jaudio 0.1.1...
[INFO] testing jaudio-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate jaudio 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jaudio 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jaudio 0.1.1
[INFO] finished tweaking crates.io crate jaudio 0.1.1
[INFO] tweaked toml for crates.io crate jaudio 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ab34127d5a7e5470ded0ad833a4e50e007b7ee1bed83f435ecc00818c6c4689
[INFO] running `Command { std: "docker" "start" "-a" "7ab34127d5a7e5470ded0ad833a4e50e007b7ee1bed83f435ecc00818c6c4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab34127d5a7e5470ded0ad833a4e50e007b7ee1bed83f435ecc00818c6c4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab34127d5a7e5470ded0ad833a4e50e007b7ee1bed83f435ecc00818c6c4689", kill_on_drop: false }`
[INFO] [stdout] 7ab34127d5a7e5470ded0ad833a4e50e007b7ee1bed83f435ecc00818c6c4689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3345f530249ef159c5ae9eb9b38129f39907ed8d72b74f27401ed3e150e74e9
[INFO] running `Command { std: "docker" "start" "-a" "a3345f530249ef159c5ae9eb9b38129f39907ed8d72b74f27401ed3e150e74e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling jaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "a3345f530249ef159c5ae9eb9b38129f39907ed8d72b74f27401ed3e150e74e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3345f530249ef159c5ae9eb9b38129f39907ed8d72b74f27401ed3e150e74e9", kill_on_drop: false }`
[INFO] [stdout] a3345f530249ef159c5ae9eb9b38129f39907ed8d72b74f27401ed3e150e74e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13f132f9cd58e7829a51f7146f3e40845dc40890f6b1439c271a5f624d43409
[INFO] running `Command { std: "docker" "start" "-a" "f13f132f9cd58e7829a51f7146f3e40845dc40890f6b1439c271a5f624d43409", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "f13f132f9cd58e7829a51f7146f3e40845dc40890f6b1439c271a5f624d43409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13f132f9cd58e7829a51f7146f3e40845dc40890f6b1439c271a5f624d43409", kill_on_drop: false }`
[INFO] [stdout] f13f132f9cd58e7829a51f7146f3e40845dc40890f6b1439c271a5f624d43409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c005e33390a1307376ea1c32ac14dca11d97b4fe9a63f9039510c469881b55c
[INFO] running `Command { std: "docker" "start" "-a" "6c005e33390a1307376ea1c32ac14dca11d97b4fe9a63f9039510c469881b55c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:154:89
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:161:89
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:171:87
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:179:95
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `jaudio` (lib) generated 4 warnings (run `cargo fix --lib -p jaudio` to apply 4 suggestions)
[INFO] [stderr] warning: `jaudio` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jaudio-e57b57cf2c555c4c)
[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]    Doc-tests jaudio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/wave_file.rs - wave_file::WaveFile (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/wave_file.rs - wave_file::WaveFile (line 31) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/wave_file.rs:9:54:
[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:     0x55d1a656e636 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d1a656e636 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d1a656e636 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d1a656e636 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d1a658d110 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d1a658d110 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d1a656caef - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55d1a656e414 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d1a656e414 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d1a656f977 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55d1a656f6d9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55d1a656fe08 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55d1a656fce2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55d1a656eb36 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55d1a656fa40 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55d1a6549e05 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55d1a654a273 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55d1a654a8cd - core::result::Result<T,E>::unwrap::h128ce2ce5d6ee0bb
[INFO] [stdout]   18:     0x55d1a654ab3c - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   19:     0x55d1a654a763 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   20:     0x55d1a654a606 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   21:     0x55d1a654a739 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   22:     0x55d1a6569c21 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   23:     0x55d1a6569c21 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   24:     0x55d1a6569c21 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   25:     0x55d1a6569c21 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   26:     0x55d1a6569c21 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x55d1a6569c21 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55d1a6569c21 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55d1a6569c21 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55d1a6569c21 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x55d1a654a717 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   32:     0x55d1a654ac55 - main
[INFO] [stdout]   33:     0x7f65fb331d90 - <unknown>
[INFO] [stdout]   34:     0x7f65fb331e40 - __libc_start_main
[INFO] [stdout]   35:     0x55d1a654a535 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/wave_file.rs - wave_file::WaveFile (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6c005e33390a1307376ea1c32ac14dca11d97b4fe9a63f9039510c469881b55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c005e33390a1307376ea1c32ac14dca11d97b4fe9a63f9039510c469881b55c", kill_on_drop: false }`
[INFO] [stdout] 6c005e33390a1307376ea1c32ac14dca11d97b4fe9a63f9039510c469881b55c
[INFO] testing jaudio-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate jaudio 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate jaudio 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jaudio 0.1.1
[INFO] finished tweaking crates.io crate jaudio 0.1.1
[INFO] tweaked toml for crates.io crate jaudio 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e02a190aef5ff0959a45d4367256262ad6a78ee72cbfa33127c8efa404cd62c2
[INFO] running `Command { std: "docker" "start" "-a" "e02a190aef5ff0959a45d4367256262ad6a78ee72cbfa33127c8efa404cd62c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e02a190aef5ff0959a45d4367256262ad6a78ee72cbfa33127c8efa404cd62c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02a190aef5ff0959a45d4367256262ad6a78ee72cbfa33127c8efa404cd62c2", kill_on_drop: false }`
[INFO] [stdout] e02a190aef5ff0959a45d4367256262ad6a78ee72cbfa33127c8efa404cd62c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74f206265016dc35971b29699239f80835e1b1946c83ef581b5da325d6c4f8f
[INFO] running `Command { std: "docker" "start" "-a" "a74f206265016dc35971b29699239f80835e1b1946c83ef581b5da325d6c4f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling jaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "a74f206265016dc35971b29699239f80835e1b1946c83ef581b5da325d6c4f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74f206265016dc35971b29699239f80835e1b1946c83ef581b5da325d6c4f8f", kill_on_drop: false }`
[INFO] [stdout] a74f206265016dc35971b29699239f80835e1b1946c83ef581b5da325d6c4f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d633be260ea56d27579c685c2cac62d81da42c47744c2f525c3f943392a0ccac
[INFO] running `Command { std: "docker" "start" "-a" "d633be260ea56d27579c685c2cac62d81da42c47744c2f525c3f943392a0ccac", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d633be260ea56d27579c685c2cac62d81da42c47744c2f525c3f943392a0ccac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d633be260ea56d27579c685c2cac62d81da42c47744c2f525c3f943392a0ccac", kill_on_drop: false }`
[INFO] [stdout] d633be260ea56d27579c685c2cac62d81da42c47744c2f525c3f943392a0ccac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 942acb04b2d68aa5c41fbcd2706711a68ebaed4d4a2faedb9f0cc393a7d52634
[INFO] running `Command { std: "docker" "start" "-a" "942acb04b2d68aa5c41fbcd2706711a68ebaed4d4a2faedb9f0cc393a7d52634", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:154:89
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:161:89
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:171:87
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/wave_file.rs:179:95
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stderr]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `jaudio` (lib) generated 4 warnings (run `cargo fix --lib -p jaudio` to apply 4 suggestions)
[INFO] [stderr] warning: `jaudio` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jaudio-0097bac7358c13ba)
[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]    Doc-tests jaudio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/wave_file.rs - wave_file::WaveFile (line 31) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/wave_file.rs - wave_file::WaveFile (line 31) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/wave_file.rs:9:54:
[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:     0x560b2ee7e796 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560b2ee7e796 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560b2ee7e796 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560b2ee7e796 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560b2ee9cfc0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560b2ee9cfc0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x560b2ee7ca5f - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x560b2ee7e574 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560b2ee7e574 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560b2ee7fad7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x560b2ee7f839 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x560b2ee7ff68 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x560b2ee7fe42 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x560b2ee7ec96 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x560b2ee7fb94 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x560b2ee59e05 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x560b2ee5a273 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x560b2ee5aa07 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   18:     0x560b2ee5a763 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   19:     0x560b2ee5a606 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   20:     0x560b2ee5a739 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   21:     0x560b2ee79a61 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   22:     0x560b2ee79a61 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   23:     0x560b2ee79a61 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   24:     0x560b2ee79a61 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   25:     0x560b2ee79a61 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   26:     0x560b2ee79a61 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   27:     0x560b2ee79a61 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   28:     0x560b2ee79a61 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x560b2ee79a61 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   30:     0x560b2ee5a717 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   31:     0x560b2ee5ac35 - main
[INFO] [stdout]   32:     0x7f561dfd0d90 - <unknown>
[INFO] [stdout]   33:     0x7f561dfd0e40 - __libc_start_main
[INFO] [stdout]   34:     0x560b2ee5a535 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/wave_file.rs - wave_file::WaveFile (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "942acb04b2d68aa5c41fbcd2706711a68ebaed4d4a2faedb9f0cc393a7d52634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942acb04b2d68aa5c41fbcd2706711a68ebaed4d4a2faedb9f0cc393a7d52634", kill_on_drop: false }`
[INFO] [stdout] 942acb04b2d68aa5c41fbcd2706711a68ebaed4d4a2faedb9f0cc393a7d52634
