[INFO] fetching crate seismograph_protocol 0.2.0...
[INFO] testing seismograph_protocol-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate seismograph_protocol 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate seismograph_protocol 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate seismograph_protocol 0.2.0
[INFO] tweaked toml for crates.io crate seismograph_protocol 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seismograph_protocol 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seismograph_protocol 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383
[INFO] running `Command { std: "docker" "start" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling seismograph_protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling seismograph_protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/seismograph_protocol/8152af72a4f4321a/out/seismograph_protocol-8152af72a4f4321a)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test message::tests::empty_and_chunked_snapshot_responses_round_trip ... ok
[INFO] [stdout] test message::tests::destructive_snapshot_request_round_trips ... ok
[INFO] [stdout] test message::tests::activity_validates_all_recording_policies_and_capacity ... ok
[INFO] [stdout] test message::tests::activity_rejects_truncation_trailing_data_and_impossible_thread_counts ... ok
[INFO] [stdout] test message::tests::cache_recording_messages_round_trip ... ok
[INFO] [stdout] test message::tests::all_event_buffer_dispositions_round_trip ... ok
[INFO] [stdout] test message::tests::hello_wire_payload_is_identical_to_the_legacy_fixture ... ok
[INFO] [stdout] test message::tests::fixed_size_messages_reject_every_adjacent_invalid_length ... ok
[INFO] [stdout] test message::tests::acknowledgement_and_error_responses_round_trip ... ok
[INFO] [stdout] test codec::tests::hexadecimal_encoding_uses_lowercase_digits ... ok
[INFO] [stdout] test message::tests::legacy_recording_block_has_stable_wire_layout ... ok
[INFO] [stdout] test message::tests::legacy_recording_message_sizes_remain_stable ... ok
[INFO] [stdout] test codec::tests::reader_rejects_trailing_bytes ... ok
[INFO] [stdout] test message::tests::recorder_statistics_response_round_trips ... ok
[INFO] [stdout] test message::tests::recording_configuration_rejects_invalid_sampling_denominators ... ok
[INFO] [stdout] test message::tests::legacy_recording_messages_reject_cache_policy_instead_of_discarding_it ... ok
[INFO] [stdout] test message::tests::lifecycle_requests_are_additive_and_reject_payloads ... ok
[INFO] [stdout] test message::tests::recorder_statistics_request_round_trips ... ok
[INFO] [stdout] test monitor::tests::descriptor_round_trips ... ok
[INFO] [stdout] test message::tests::server_version_payloads_reject_empty_truncated_invalid_utf8_and_trailing_data ... ok
[INFO] [stdout] test monitor::tests::authentication_debug_is_redacted ... ok
[INFO] [stdout] test monitor::tests::descriptor_has_stable_wire_layout ... ok
[INFO] [stdout] test message::tests::server_version_messages_round_trip ... ok
[INFO] [stdout] test monitor::tests::descriptor_without_instance_round_trips ... ok
[INFO] [stdout] test monitor::tests::every_truncated_descriptor_is_rejected ... ok
[INFO] [stdout] test monitor::tests::malformed_descriptors_are_rejected ... ok
[INFO] [stdout] test tests::errors_expose_descriptive_messages_and_io_sources ... ok
[INFO] [stdout] test codec::tests::reader_rejects_truncated_overflowing_and_invalid_utf8_strings ... ok
[INFO] [stdout] test message::tests::hello_messages_round_trip_without_public_version_fields ... ok
[INFO] [stdout] test message::tests::activity_messages_round_trip_with_all_classes_threads_and_cache_policy ... ok
[INFO] [stdout] test monitor::tests::descriptor_helpers_and_file_persistence_work ... FAILED
[INFO] [stdout] test message::tests::invalid_message_shapes_are_rejected ... ok
[INFO] [stdout] test message::tests::requests_and_responses_round_trip ... ok
[INFO] [stdout] test message::tests::recording_policy_rejects_noncanonical_booleans_and_boundary_sampling ... ok
[INFO] [stdout] test tests::every_truncated_frame_is_rejected ... ok
[INFO] [stdout] test message::tests::activity_rejects_invalid_retired_flags_names_and_name_bounds ... ok
[INFO] [stdout] test monitor::tests::malformed_descriptor_lengths_text_and_trailing_data_are_rejected ... ok
[INFO] [stdout] test tests::frame_size_boundaries_and_chunking_are_exact ... ok
[INFO] [stdout] test tests::request_and_response_frames_have_stable_wire_layouts ... ok
[INFO] [stdout] test tests::snapshot_response_writes_the_original_payload_with_stable_framing ... ok
[INFO] [stdout] test tests::unix_monitor_directory_uses_runtime_directory_or_user_fallback ... ok
[INFO] [stdout] test tests::malformed_frame_headers_are_rejected ... ok
[INFO] [stdout] test tests::monitor_directory_is_platform_specific ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- monitor::tests::descriptor_helpers_and_file_persistence_work stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'monitor::tests::descriptor_helpers_and_file_persistence_work' (278) panicked at src/monitor.rs:215:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x575b1d6f2f11 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x575b1d70744a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x575b1d6f712c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x575b1d6cea56 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x575b1d6eafd9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x575b1d686d30 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x575b1d6eb192 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x575b1d6ceb02 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x575b1d6c75d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x575b1d6cf70d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x575b1d707b7c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x575b1d707952 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x575b1d679b19 - <seismograph_protocol[baac3d6d49bab3e0]::monitor::tests::descriptor_helpers_and_file_persistence_work::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x575b1d67a17b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x575b1d687355 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x575b1d680c44 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x575b1d68a3e2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x575b1d6f227f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x789c8529ddfa - <unknown>
[INFO] [stdout]   19:     0x789c853313d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     monitor::tests::descriptor_helpers_and_file_persistence_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383", kill_on_drop: false }`
[INFO] [stdout] efee638ae67eed9e71230548322592998142fe57843c45321513e2fc8c12d383
