[INFO] fetching crate wavv 0.2.1...
[INFO] testing wavv-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate wavv 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wavv 0.2.1
[INFO] finished tweaking crates.io crate wavv 0.2.1
[INFO] tweaked toml for crates.io crate wavv 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wavv 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wavv 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3680045bfb42006ad10f0eb8f90a59e9f6d3ecb400972dfe30cb23b6c4d1e377
[INFO] running `Command { std: "docker" "start" "-a" "3680045bfb42006ad10f0eb8f90a59e9f6d3ecb400972dfe30cb23b6c4d1e377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3680045bfb42006ad10f0eb8f90a59e9f6d3ecb400972dfe30cb23b6c4d1e377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3680045bfb42006ad10f0eb8f90a59e9f6d3ecb400972dfe30cb23b6c4d1e377", kill_on_drop: false }`
[INFO] [stdout] 3680045bfb42006ad10f0eb8f90a59e9f6d3ecb400972dfe30cb23b6c4d1e377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff224842736416f6b39ef37aa0b5203aea71e14ce72201aabf39246b96a5f383
[INFO] running `Command { std: "docker" "start" "-a" "ff224842736416f6b39ef37aa0b5203aea71e14ce72201aabf39246b96a5f383", kill_on_drop: false }`
[INFO] [stderr]    Compiling wavv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ff224842736416f6b39ef37aa0b5203aea71e14ce72201aabf39246b96a5f383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff224842736416f6b39ef37aa0b5203aea71e14ce72201aabf39246b96a5f383", kill_on_drop: false }`
[INFO] [stdout] ff224842736416f6b39ef37aa0b5203aea71e14ce72201aabf39246b96a5f383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebf95b543ba1019b42e8d5dd758cfa7b3d38d2066b155f438008d0fdb21abbd
[INFO] running `Command { std: "docker" "start" "-a" "4ebf95b543ba1019b42e8d5dd758cfa7b3d38d2066b155f438008d0fdb21abbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling wavv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "4ebf95b543ba1019b42e8d5dd758cfa7b3d38d2066b155f438008d0fdb21abbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebf95b543ba1019b42e8d5dd758cfa7b3d38d2066b155f438008d0fdb21abbd", kill_on_drop: false }`
[INFO] [stdout] 4ebf95b543ba1019b42e8d5dd758cfa7b3d38d2066b155f438008d0fdb21abbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7524ef3db2bbafd066c88e5847323eeb027a25d9184091ca66ccdc743a7c3d91
[INFO] running `Command { std: "docker" "start" "-a" "7524ef3db2bbafd066c88e5847323eeb027a25d9184091ca66ccdc743a7c3d91", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wavv-1b8e92b2ee03e190)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test chunk::tests::should_fail_on_non_wave_files ... ok
[INFO] [stdout] test chunk::tests::should_not_fail_with_random_chunks_added ... ok
[INFO] [stdout] test data::tests::from_16_bit ... ok
[INFO] [stdout] test data::tests::from_8_bit ... ok
[INFO] [stdout] test data::tests::to_16_bit ... ok
[INFO] [stdout] test data::tests::to_8_bit ... ok
[INFO] [stdout] test data::tests::to_24_bit ... ok
[INFO] [stdout] test wav::tests::parse_wav_24_bit_with_padding_byte ... ok
[INFO] [stdout] test wav::tests::parse_wav_from_and_to_bytes_stereo ... ok
[INFO] [stdout] test wav::tests::parse_wav_from_and_to_bytes_mono ... ok
[INFO] [stdout] test data::tests::from_24_bit ... ok
[INFO] [stdout] test chunk::tests::should_parse_chunks ... ok
[INFO] [stdout] test wav::tests::parse_wav_16_bit_stereo ... ok
[INFO] [stdout] test wav::tests::parse_wav_24_bit_mono ... ok
[INFO] [stdout] test wav::tests::parse_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wavv
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... FAILED
[INFO] [stdout] test src/wav.rs - wav::Wav::from_bytes (line 21) ... ok
[INFO] [stdout] test src/wav.rs - wav::Wav::to_bytes (line 94) ... ok
[INFO] [stdout] test src/wav.rs - wav::Wav::from_data (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 26) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (84) panicked at src/lib.rs:15:40:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b8183e5fb42 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b8183e5fb42 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b8183e5fb42 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b8183e5fb42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b8183e6e78f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b8183e6e78f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5b8183e3e6b3 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b8183e3e6b3 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b8183e437e2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b8183e4500c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b8183e44e66 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5b8183e455e5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5b8183e4547a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5b8183e43919 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5b8183e3304d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5b8183e71b80 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5b8183e71386 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5b8183e2e750 - rust_out::main::h583ff58340d718d9
[INFO] [stdout]   18:     0x5b8183e2d703 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e
[INFO] [stdout]   19:     0x5b8183e2d5f6 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857
[INFO] [stdout]   20:     0x5b8183e2d529 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2
[INFO] [stdout]   21:     0x5b8183e3f860 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   22:     0x5b8183e3f860 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   23:     0x5b8183e3f860 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   24:     0x5b8183e3f860 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   25:     0x5b8183e3f860 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stdout]   26:     0x5b8183e3f860 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   27:     0x5b8183e3f860 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   28:     0x5b8183e3f860 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5b8183e3f860 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stdout]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stdout]   30:     0x5b8183e2d511 - std::rt::lang_start::h762c340aaede70f7
[INFO] [stdout]   31:     0x5b8183e2e985 - main
[INFO] [stdout]   32:     0x75c5de7e31ca - <unknown>
[INFO] [stdout]   33:     0x75c5de7e328b - __libc_start_main
[INFO] [stdout]   34:     0x5b8183e2c725 - _start
[INFO] [stdout]   35:                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. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7524ef3db2bbafd066c88e5847323eeb027a25d9184091ca66ccdc743a7c3d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7524ef3db2bbafd066c88e5847323eeb027a25d9184091ca66ccdc743a7c3d91", kill_on_drop: false }`
[INFO] [stdout] 7524ef3db2bbafd066c88e5847323eeb027a25d9184091ca66ccdc743a7c3d91